diff options
Diffstat (limited to 'unix/configure.in')
| -rw-r--r-- | unix/configure.in | 1966 |
1 files changed, 736 insertions, 1230 deletions
diff --git a/unix/configure.in b/unix/configure.in index dd3e49c..61ad30f 100644 --- a/unix/configure.in +++ b/unix/configure.in @@ -1,250 +1,275 @@ +#! /bin/bash -norc dnl This file is an input file used by the GNU "autoconf" program to dnl generate the file "configure", which is run during Tcl installation dnl to configure the system for the local environment. -AC_INIT(../generic/tcl.h) -# RCS: @(#) $Id: configure.in,v 1.35 1999/04/30 23:35:40 stanton Exp $ -TCL_VERSION=8.1 +AC_INIT([tcl],[8.6]) +AC_PREREQ(2.59) + +dnl This is only used when included from macosx/configure.ac +m4_ifdef([SC_USE_CONFIG_HEADERS], [ + AC_CONFIG_HEADERS([tclConfig.h:../unix/tclConfig.h.in]) + AC_CONFIG_COMMANDS_PRE([DEFS="-DHAVE_TCL_CONFIG_H -imacros tclConfig.h"]) + AH_TOP([ + #ifndef _TCLCONFIG + #define _TCLCONFIG]) + AH_BOTTOM([ + /* Undef unused package specific autoheader defines so that we can + * include both tclConfig.h and tkConfig.h at the same time: */ + /* override */ #undef PACKAGE_NAME + /* override */ #undef PACKAGE_STRING + /* override */ #undef PACKAGE_TARNAME + #endif /* _TCLCONFIG */]) +]) + +TCL_VERSION=8.6 TCL_MAJOR_VERSION=8 -TCL_MINOR_VERSION=1 -TCL_PATCH_LEVEL=1 +TCL_MINOR_VERSION=6 +TCL_PATCH_LEVEL=".1" VERSION=${TCL_VERSION} +#------------------------------------------------------------------------ +# Setup configure arguments for bundled packages +#------------------------------------------------------------------------ + +PKG_CFG_ARGS="$ac_configure_args ${PKG_CFG_ARGS}" + +if test -r "$cache_file" -a -f "$cache_file"; then + case $cache_file in + [[\\/]]* | ?:[[\\/]]* ) pkg_cache_file=$cache_file ;; + *) pkg_cache_file=../../$cache_file ;; + esac + PKG_CFG_ARGS="${PKG_CFG_ARGS} --cache-file=$pkg_cache_file" +fi + +#------------------------------------------------------------------------ +# Empty slate for bundled packages, to avoid stale configuration +#------------------------------------------------------------------------ +#rm -Rf pkgs +if test -f Makefile; then + make distclean-packages +fi + +#------------------------------------------------------------------------ +# Handle the --prefix=... option +#------------------------------------------------------------------------ + if test "${prefix}" = "NONE"; then prefix=/usr/local fi if test "${exec_prefix}" = "NONE"; then exec_prefix=$prefix fi -TCL_SRC_DIR=`cd $srcdir/..; pwd` +# Make sure srcdir is fully qualified! +srcdir="`cd "$srcdir" ; pwd`" +TCL_SRC_DIR="`cd "$srcdir"/..; pwd`" -AC_PROG_RANLIB -AC_ARG_ENABLE(gcc, [ --enable-gcc allow use of gcc if available], - [tcl_ok=$enableval], [tcl_ok=no]) -if test "$tcl_ok" = "yes"; then - AC_PROG_CC -else - CC=${CC-cc} -AC_SUBST(CC) -fi -AC_C_CROSS +#------------------------------------------------------------------------ +# Compress and/or soft link the manpages? +#------------------------------------------------------------------------ -# Threads support -AC_ARG_ENABLE(threads,[ --enable-threads enable Threads support],,enableval="no") - -if test "$enableval" = "yes"; then - AC_MSG_RESULT(Will compile with Threads support) - AC_DEFINE(TCL_THREADS) - AC_DEFINE(_REENTRANT) - - AC_CHECK_LIB(pthread,pthread_mutex_init,tcl_ok=yes,tcl_ok=no) - if test "$tcl_ok" = "yes"; then - # The space is needed - THREADS_LIBS=" -lpthread" - else - AC_MSG_WARN("Don t know how to find pthread lib on your system - you must disable thread support or edit the LIBS in the Makefile...") - fi -else - AC_MSG_RESULT(Will compile without Threads support (normal)) -fi +SC_CONFIG_MANPAGES -# set the warning flags depending on whether or not we are using gcc -if test "${GCC}" = "yes" ; then - CFLAGS_WARNING="-Wall -Wconversion" -else - CFLAGS_WARNING="" +#------------------------------------------------------------------------ +# Standard compiler checks +#------------------------------------------------------------------------ + +# If the user did not set CFLAGS, set it now to keep +# the AC_PROG_CC macro from adding "-g -O2". +if test "${CFLAGS+set}" != "set" ; then + CFLAGS="" fi -#----------------------------- -# 64-bit support -#----------------------------- +AC_PROG_CC +AC_C_INLINE -AC_ARG_ENABLE(64bit,[ --enable-64bit enable 64bit support],,enableval="no") +#-------------------------------------------------------------------- +# Supply substitutes for missing POSIX header files. Special notes: +# - stdlib.h doesn't define strtol, strtoul, or +# strtod insome versions of SunOS +# - some versions of string.h don't declare procedures such +# as strstr +# Do this early, otherwise an autoconf bug throws errors on configure +#-------------------------------------------------------------------- -if test "$enableval" = "yes"; then - AC_MSG_RESULT(Will compile with 64bit support) - do64bit=yes -else - do64bit=no -fi +SC_MISSING_POSIX_HEADERS -#------------------------------------------------------------------------------ +#-------------------------------------------------------------------- +# Determines the correct executable file extension (.exe) +#-------------------------------------------------------------------- + +AC_EXEEXT + +#------------------------------------------------------------------------ # If we're using GCC, see if the compiler understands -pipe. If so, use it. # It makes compiling go faster. (This is only a performance feature.) -#------------------------------------------------------------------------------ +#------------------------------------------------------------------------ + +if test -z "$no_pipe" && test -n "$GCC"; then + AC_CACHE_CHECK([if the compiler understands -pipe], + tcl_cv_cc_pipe, [ + hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -pipe" + AC_TRY_COMPILE(,, tcl_cv_cc_pipe=yes, tcl_cv_cc_pipe=no) + CFLAGS=$hold_cflags]) + if test $tcl_cv_cc_pipe = yes; then + CFLAGS="$CFLAGS -pipe" + fi +fi + +#------------------------------------------------------------------------ +# Threads support +#------------------------------------------------------------------------ + +SC_ENABLE_THREADS + +#------------------------------------------------------------------------ +# Embedded configuration information, encoding to use for the values, TIP #59 +#------------------------------------------------------------------------ + +SC_TCL_CFG_ENCODING -if test -z "$no_pipe"; then -if test -n "$GCC"; then - AC_MSG_CHECKING([if the compiler understands -pipe]) - OLDCC="$CC" - CC="$CC -pipe" - AC_TRY_COMPILE(,, - AC_MSG_RESULT(yes), - CC="$OLDCC" - AC_MSG_RESULT(no)) -fi +#-------------------------------------------------------------------- +# Look for libraries that we will need when compiling the Tcl shell +#-------------------------------------------------------------------- + +SC_TCL_LINK_LIBS + +# Add the threads support libraries +LIBS="$LIBS$THREADS_LIBS" + +SC_ENABLE_SHARED + +#-------------------------------------------------------------------- +# Look for a native installed tclsh binary (if available) +# If one cannot be found then use the binary we build (fails for +# cross compiling). This is used for NATIVE_TCLSH in Makefile. +#-------------------------------------------------------------------- + +SC_PROG_TCLSH +if test "$TCLSH_PROG" = ""; then + TCLSH_PROG='./${TCL_EXE}' fi +#------------------------------------------------------------------------ +# Add stuff for zlib +#------------------------------------------------------------------------ + +zlib_ok=yes +AC_CHECK_HEADER([zlib.h],[ + AC_CHECK_TYPE([gz_header],[],[zlib_ok=no],[#include <zlib.h>])],[ + zlib_ok=no]) +AS_IF([test $zlib_ok = yes], [ + AC_SEARCH_LIBS([deflateSetHeader],[z],[],[ + zlib_ok=no + ])]) +AS_IF([test $zlib_ok = no], [ + AC_SUBST(ZLIB_OBJS,[\${ZLIB_OBJS}]) + AC_SUBST(ZLIB_SRCS,[\${ZLIB_SRCS}]) + AC_SUBST(ZLIB_INCLUDE,[-I\${ZLIB_DIR}]) +]) +AC_DEFINE(HAVE_ZLIB, 1, [Is there an installed zlib?]) + #-------------------------------------------------------------------- -# Supply substitutes for missing POSIX library procedures, or -# set flags so Tcl uses alternate procedures. +# The statements below define a collection of compile flags. This +# macro depends on the value of SHARED_BUILD, and should be called +# after SC_ENABLE_SHARED checks the configure switches. #-------------------------------------------------------------------- -# Check if Posix compliant getcwd exists, if not we'll use getwd. -AC_CHECK_FUNCS(getcwd, , AC_DEFINE(USEGETWD)) -# Nb: if getcwd uses popen and pwd(1) (like SunOS 4) we should really -# define USEGETWD even if the posix getcwd exists. Add a test ? +SC_CONFIG_CFLAGS -AC_REPLACE_FUNCS(opendir strstr) +SC_ENABLE_SYMBOLS(bccdebug) -AC_REPLACE_FUNCS(strtol tmpnam waitpid) -AC_CHECK_FUNC(strerror, , AC_DEFINE(NO_STRERROR)) -AC_CHECK_FUNC(getwd, , AC_DEFINE(NO_GETWD)) -AC_CHECK_FUNC(wait3, , AC_DEFINE(NO_WAIT3)) -AC_CHECK_FUNC(uname, , AC_DEFINE(NO_UNAME)) -AC_CHECK_FUNC(realpath, , AC_DEFINE(NO_REALPATH)) +AC_DEFINE(TCL_TOMMATH, 1, [Build libtommath?]) +AC_DEFINE(MP_PREC, 4, [Default libtommath precision.]) #-------------------------------------------------------------------- -# On a few very rare systems, all of the libm.a stuff is -# already in libc.a. Set compiler flags accordingly. -# Also, Linux requires the "ieee" library for math to work -# right (and it must appear before "-lm"). +# Detect what compiler flags to set for 64-bit support. #-------------------------------------------------------------------- -AC_CHECK_FUNC(sin, MATH_LIBS="", MATH_LIBS="-lm") -AC_CHECK_LIB(ieee, main, [MATH_LIBS="-lieee $MATH_LIBS"]) +SC_TCL_EARLY_FLAGS + +SC_TCL_64BIT_FLAGS #-------------------------------------------------------------------- -# On AIX systems, libbsd.a has to be linked in to support -# non-blocking file IO. This library has to be linked in after -# the MATH_LIBS or it breaks the pow() function. The way to -# insure proper sequencing, is to add it to the tail of MATH_LIBS. -# This library also supplies gettimeofday. +# Check endianness because we can optimize comparisons of +# Tcl_UniChar strings to memcmp on big-endian systems. #-------------------------------------------------------------------- -libbsd=no -if test "`uname -s`" = "AIX" ; then - AC_CHECK_LIB(bsd, gettimeofday, libbsd=yes) - if test $libbsd = yes; then - MATH_LIBS="$MATH_LIBS -lbsd" - fi -fi + +AC_C_BIGENDIAN #-------------------------------------------------------------------- -# Supply substitutes for missing POSIX header files. Special -# notes: -# - stdlib.h doesn't define strtol, strtoul, or -# strtod insome versions of SunOS -# - some versions of string.h don't declare procedures such -# as strstr -#-------------------------------------------------------------------- - -AC_MSG_CHECKING(dirent.h) -AC_TRY_LINK([#include <sys/types.h> -#include <dirent.h>], [ -#ifndef _POSIX_SOURCE -# ifdef __Lynx__ - /* - * Generate compilation error to make the test fail: Lynx headers - * are only valid if really in the POSIX environment. - */ - - missing_procedure(); -# endif -#endif -DIR *d; -struct dirent *entryPtr; -char *p; -d = opendir("foobar"); -entryPtr = readdir(d); -p = entryPtr->d_name; -closedir(d); -], tcl_ok=yes, tcl_ok=no) -if test $tcl_ok = no; then - AC_DEFINE(NO_DIRENT_H) -fi -AC_MSG_RESULT($tcl_ok) -AC_CHECK_HEADER(errno.h, , AC_DEFINE(NO_ERRNO_H)) -AC_CHECK_HEADER(float.h, , AC_DEFINE(NO_FLOAT_H)) -AC_CHECK_HEADER(values.h, , AC_DEFINE(NO_VALUES_H)) -AC_CHECK_HEADER(limits.h, , AC_DEFINE(NO_LIMITS_H)) -AC_CHECK_HEADER(stdlib.h, tcl_ok=1, tcl_ok=0) -AC_EGREP_HEADER(strtol, stdlib.h, , tcl_ok=0) -AC_EGREP_HEADER(strtoul, stdlib.h, , tcl_ok=0) -AC_EGREP_HEADER(strtod, stdlib.h, , tcl_ok=0) -if test $tcl_ok = 0; then - AC_DEFINE(NO_STDLIB_H) -fi -AC_CHECK_HEADER(string.h, tcl_ok=1, tcl_ok=0) -AC_EGREP_HEADER(strstr, string.h, , tcl_ok=0) -AC_EGREP_HEADER(strerror, string.h, , tcl_ok=0) -# See also memmove check below for a place where NO_STRING_H can be -# set and why. -if test $tcl_ok = 0; then - AC_DEFINE(NO_STRING_H) -fi -AC_CHECK_HEADER(sys/wait.h, , AC_DEFINE(NO_SYS_WAIT_H)) -AC_CHECK_HEADER(dlfcn.h, , AC_DEFINE(NO_DLFCN_H)) +# Supply substitutes for missing POSIX library procedures, or +# set flags so Tcl uses alternate procedures. +#-------------------------------------------------------------------- + +# Check if Posix compliant getcwd exists, if not we'll use getwd. +AC_CHECK_FUNCS(getcwd, , [AC_DEFINE(USEGETWD, 1, [Is getcwd Posix-compliant?])]) +# Nb: if getcwd uses popen and pwd(1) (like SunOS 4) we should really +# define USEGETWD even if the posix getcwd exists. Add a test ? -# OS/390 lacks sys/param.h (and doesn't need it, by chance). -AC_HAVE_HEADERS(unistd.h sys/param.h) +AC_REPLACE_FUNCS(mkstemp opendir strtol waitpid) +AC_CHECK_FUNC(strerror, , [AC_DEFINE(NO_STRERROR, 1, [Do we have strerror()])]) +AC_CHECK_FUNC(getwd, , [AC_DEFINE(NO_GETWD, 1, [Do we have getwd()])]) +AC_CHECK_FUNC(wait3, , [AC_DEFINE(NO_WAIT3, 1, [Do we have wait3()])]) +AC_CHECK_FUNC(uname, , [AC_DEFINE(NO_UNAME, 1, [Do we have uname()])]) + +if test "`uname -s`" = "Darwin" && test "${TCL_THREADS}" = 1 && \ + test "`uname -r | awk -F. '{print [$]1}'`" -lt 7; then + # prior to Darwin 7, realpath is not threadsafe, so don't + # use it when threads are enabled, c.f. bug # 711232 + ac_cv_func_realpath=no +fi +AC_CHECK_FUNC(realpath, , [AC_DEFINE(NO_REALPATH, 1, [Do we have realpath()])]) + +SC_TCL_IPV6 + +#-------------------------------------------------------------------- +# Look for thread-safe variants of some library functions. +#-------------------------------------------------------------------- + +if test "${TCL_THREADS}" = 1; then + SC_TCL_GETPWUID_R + SC_TCL_GETPWNAM_R + SC_TCL_GETGRGID_R + SC_TCL_GETGRNAM_R + if test "`uname -s`" = "Darwin" && \ + test "`uname -r | awk -F. '{print [$]1}'`" -gt 5; then + # Starting with Darwin 6 (Mac OSX 10.2), gethostbyX + # are actually MT-safe as they always return pointers + # from TSD instead of static storage. + AC_DEFINE(HAVE_MTSAFE_GETHOSTBYNAME, 1, + [Do we have MT-safe gethostbyname() ?]) + AC_DEFINE(HAVE_MTSAFE_GETHOSTBYADDR, 1, + [Do we have MT-safe gethostbyaddr() ?]) + + elif test "`uname -s`" = "HP-UX" && \ + test "`uname -r|sed -e 's|B\.||' -e 's|\..*$||'`" -gt 10; then + # Starting with HPUX 11.00 (we believe), gethostbyX + # are actually MT-safe as they always return pointers + # from TSD instead of static storage. + AC_DEFINE(HAVE_MTSAFE_GETHOSTBYNAME, 1, + [Do we have MT-safe gethostbyname() ?]) + AC_DEFINE(HAVE_MTSAFE_GETHOSTBYADDR, 1, + [Do we have MT-safe gethostbyaddr() ?]) + + else + SC_TCL_GETHOSTBYNAME_R + SC_TCL_GETHOSTBYADDR_R + fi +fi #--------------------------------------------------------------------------- -# Determine which interface to use to talk to the serial port. -# Note that #include lines must begin in leftmost column for -# some compilers to recognize them as preprocessor directives. +# Check for serial port interface. +# +# termios.h is present on all POSIX systems. +# sys/ioctl.h is almost always present, though what it contains +# is system-specific. +# sys/modem.h is needed on HP-UX. #--------------------------------------------------------------------------- -AC_MSG_CHECKING([termios vs. termio vs. sgtty]) -AC_TRY_RUN([ -#include <termios.h> - -main() -{ - struct termios t; - if (tcgetattr(0, &t) == 0) { - cfsetospeed(&t, 0); - t.c_cflag |= PARENB | PARODD | CSIZE | CSTOPB; - return 0; - } - return 1; -}], tk_ok=termios, tk_ok=no, tk_ok=no) -if test $tk_ok = termios; then - AC_DEFINE(USE_TERMIOS) -else -AC_TRY_RUN([ -#include <termio.h> - -main() -{ - struct termio t; - if (ioctl(0, TCGETA, &t) == 0) { - t.c_cflag |= CBAUD | PARENB | PARODD | CSIZE | CSTOPB; - return 0; - } - return 1; -}], tk_ok=termio, tk_ok=no, tk_ok=no) -if test $tk_ok = termio; then - AC_DEFINE(USE_TERMIO) -else -AC_TRY_RUN([ -#include <sgtty.h> - -main() -{ - struct sgttyb t; - if (ioctl(0, TIOCGETP, &t) == 0) { - t.sg_ospeed = 0; - t.sg_flags |= ODDP | EVENP | RAW; - return 0; - } - return 1; -}], tk_ok=sgtty, tk_ok=none, tk_ok=none) -if test $tk_ok = sgtty; then - AC_DEFINE(USE_SGTTY) -fi -fi -fi -AC_MSG_RESULT($tk_ok) +AC_CHECK_HEADERS(termios.h) +AC_CHECK_HEADERS(sys/ioctl.h) +AC_CHECK_HEADERS(sys/modem.h) #-------------------------------------------------------------------- # Include sys/select.h if it exists and if it supplies things @@ -256,118 +281,67 @@ AC_MSG_RESULT($tk_ok) # special flag. #-------------------------------------------------------------------- -AC_MSG_CHECKING([fd_set and sys/select]) -AC_TRY_COMPILE([#include <sys/types.h>], - [fd_set readMask, writeMask;], tk_ok=yes, tk_ok=no) -if test $tk_ok = no; then - AC_HEADER_EGREP(fd_mask, sys/select.h, tk_ok=yes) - if test $tk_ok = yes; then - AC_DEFINE(HAVE_SYS_SELECT_H) +AC_CACHE_CHECK([for fd_set in sys/types], tcl_cv_type_fd_set, [ + AC_TRY_COMPILE([#include <sys/types.h>],[fd_set readMask, writeMask;], + tcl_cv_type_fd_set=yes, tcl_cv_type_fd_set=no)]) +tcl_ok=$tcl_cv_type_fd_set +if test $tcl_ok = no; then + AC_CACHE_CHECK([for fd_mask in sys/select], tcl_cv_grep_fd_mask, [ + AC_EGREP_HEADER(fd_mask, sys/select.h, + tcl_cv_grep_fd_mask=present, tcl_cv_grep_fd_mask=missing)]) + if test $tcl_cv_grep_fd_mask = present; then + AC_DEFINE(HAVE_SYS_SELECT_H, 1, [Should we include <sys/select.h>?]) + tcl_ok=yes fi fi -AC_MSG_RESULT($tk_ok) -if test $tk_ok = no; then - AC_DEFINE(NO_FD_SET) +if test $tcl_ok = no; then + AC_DEFINE(NO_FD_SET, 1, [Do we have fd_set?]) fi #------------------------------------------------------------------------------ # Find out all about time handling differences. #------------------------------------------------------------------------------ -AC_CHECK_HEADERS(sys/time.h) -AC_HEADER_TIME -AC_STRUCT_TIMEZONE - -AC_MSG_CHECKING([tm_tzadj in struct tm]) -AC_TRY_COMPILE([#include <time.h>], [struct tm tm; tm.tm_tzadj;], - [AC_DEFINE(HAVE_TM_TZADJ) - AC_MSG_RESULT(yes)], - AC_MSG_RESULT(no)) - -AC_MSG_CHECKING([tm_gmtoff in struct tm]) -AC_TRY_COMPILE([#include <time.h>], [struct tm tm; tm.tm_gmtoff;], - [AC_DEFINE(HAVE_TM_GMTOFF) - AC_MSG_RESULT(yes)], - AC_MSG_RESULT(no)) - -# -# Its important to include time.h in this check, as some systems (like convex) -# have timezone functions, etc. -# -have_timezone=no -AC_MSG_CHECKING([long timezone variable]) -AC_TRY_COMPILE([#include <time.h>], - [extern long timezone; - timezone += 1; - exit (0);], - [have_timezone=yes - AC_DEFINE(HAVE_TIMEZONE_VAR) - AC_MSG_RESULT(yes)], - AC_MSG_RESULT(no)) +SC_TIME_HANDLER -# -# On some systems (eg IRIX 6.2), timezone is a time_t and not a long. -# -if test "$have_timezone" = no; then - AC_MSG_CHECKING([time_t timezone variable]) - AC_TRY_COMPILE([#include <time.h>], - [extern time_t timezone; - timezone += 1; - exit (0);], - [AC_DEFINE(HAVE_TIMEZONE_VAR) - AC_MSG_RESULT(yes)], - AC_MSG_RESULT(no)) -fi +#-------------------------------------------------------------------- +# Some systems (e.g., IRIX 4.0.5) lack some fields in struct stat. But +# we might be able to use fstatfs instead. Some systems (OpenBSD?) also +# lack blkcnt_t. +#-------------------------------------------------------------------- -# -# AIX does not have a timezone field in struct tm. When the AIX bsd -# library is used, the timezone global and the gettimeofday methods are -# to be avoided for timezone deduction instead, we deduce the timezone -# by comparing the localtime result on a known GMT value. -# -if test $libbsd = yes; then - AC_DEFINE(USE_DELTA_FOR_TZ) +if test "$ac_cv_cygwin" != "yes"; then + AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize]) fi +AC_CHECK_TYPES([blkcnt_t]) +AC_CHECK_FUNC(fstatfs, , [AC_DEFINE(NO_FSTATFS, 1, [Do we have fstatfs()?])]) #-------------------------------------------------------------------- -# Some systems (e.g., IRIX 4.0.5) lack the st_blksize field -# in struct stat. But we might be able to use fstatfs instead. +# Some system have no memcmp or it does not work with 8 bit data, this +# checks it and add memcmp.o to LIBOBJS if needed #-------------------------------------------------------------------- -AC_STRUCT_ST_BLKSIZE -AC_CHECK_FUNC(fstatfs, , AC_DEFINE(NO_FSTATFS)) -#-------------------------------------------------------------------- -# Some system have no memcmp or it does not work with 8 bit -# data, this checks it and add memcmp.o to LIBOBJS if needed -#-------------------------------------------------------------------- AC_FUNC_MEMCMP #-------------------------------------------------------------------- -# Some system like SunOS 4 and other BSD like systems -# have no memmove (we assume they have bcopy instead). -# {The replacement define is in compat/string.h} +# Some system like SunOS 4 and other BSD like systems have no memmove +# (we assume they have bcopy instead). {The replacement define is in +# compat/string.h} #-------------------------------------------------------------------- -AC_CHECK_FUNC(memmove, , AC_DEFINE(NO_MEMMOVE) AC_DEFINE(NO_STRING_H)) + +AC_CHECK_FUNC(memmove, , [ + AC_DEFINE(NO_MEMMOVE, 1, [Do we have memmove()?]) + AC_DEFINE(NO_STRING_H, 1, [Do we have <string.h>?]) ]) #-------------------------------------------------------------------- -# On some systems strstr is broken: it returns a pointer even -# even if the original string is empty. +# On some systems strstr is broken: it returns a pointer even even if +# the original string is empty. #-------------------------------------------------------------------- -AC_MSG_CHECKING([proper strstr implementation]) -AC_TRY_RUN([ -extern int strstr(); -int main() -{ +SC_TCL_CHECK_BROKEN_FUNC(strstr, [ + extern int strstr(); exit(strstr("\0test", "test") ? 1 : 0); -} -], tcl_ok=yes, tcl_ok=no, tcl_ok=no) -if test $tcl_ok = yes; then - AC_MSG_RESULT(yes) -else - AC_MSG_RESULT([broken, using substitute]) - LIBOBJS="$LIBOBJS strstr.o" -fi +]) #-------------------------------------------------------------------- # Check for strtoul function. This is tricky because under some @@ -375,48 +349,22 @@ fi # pointer for the string "0". #-------------------------------------------------------------------- -AC_CHECK_FUNC(strtoul, tcl_ok=1, tcl_ok=0) -AC_TRY_RUN([ -extern int strtoul(); -int main() -{ - char *string = "0"; - char *term; - int value; - value = strtoul(string, &term, 0); - if ((value != 0) || (term != (string+1))) { - exit(1); - } - exit(0); -}], , tcl_ok=0, tcl_ok=0) -if test "$tcl_ok" = 0; then - test -n "$verbose" && echo " Adding strtoul.o." - LIBOBJS="$LIBOBJS strtoul.o" -fi +SC_TCL_CHECK_BROKEN_FUNC(strtoul, [ + extern int strtoul(); + char *term, *string = "0"; + exit(strtoul(string,&term,0) != 0 || term != string+1); +]) #-------------------------------------------------------------------- # Check for the strtod function. This is tricky because in some # versions of Linux strtod mis-parses strings starting with "+". #-------------------------------------------------------------------- -AC_CHECK_FUNC(strtod, tcl_ok=1, tcl_ok=0) -AC_TRY_RUN([ -extern double strtod(); -int main() -{ - char *string = " +69"; - char *term; - double value; - value = strtod(string, &term); - if ((value != 69) || (term != (string+4))) { - exit(1); - } - exit(0); -}], , tcl_ok=0, tcl_ok=0) -if test "$tcl_ok" = 0; then - test -n "$verbose" && echo " Adding strtod.o." - LIBOBJS="$LIBOBJS strtod.o" -fi +SC_TCL_CHECK_BROKEN_FUNC(strtod, [ + extern double strtod(); + char *term, *string = " +69"; + exit(strtod(string,&term) != 69 || term != string+4); +]) #-------------------------------------------------------------------- # Under Solaris 2.4, strtod returns the wrong value for the @@ -425,29 +373,7 @@ fi # "fixstrtod" that corrects the error. #-------------------------------------------------------------------- -AC_CHECK_FUNC(strtod, tcl_strtod=1, tcl_strtod=0) -if test "$tcl_strtod" = 1; then - AC_MSG_CHECKING([for Solaris strtod bug]) - AC_TRY_RUN([ -extern double strtod(); -int main() -{ - char *string = "NaN"; - char *term; - strtod(string, &term); - if ((term != string) && (term[-1] == 0)) { - exit(1); - } - exit(0); -}], tcl_ok=1, tcl_ok=0, tcl_ok=0) - if test $tcl_ok = 1; then - AC_MSG_RESULT(ok) - else - AC_MSG_RESULT(buggy) - LIBOBJS="$LIBOBJS fixstrtod.o" - AC_DEFINE(strtod, fixstrtod) - fi -fi +SC_BUGGY_STRTOD #-------------------------------------------------------------------- # Check for various typedefs and provide substitutes if @@ -459,6 +385,49 @@ AC_TYPE_PID_T AC_TYPE_SIZE_T AC_TYPE_UID_T +AC_CACHE_CHECK([for socklen_t], tcl_cv_type_socklen_t, [ + AC_TRY_COMPILE([ + #include <sys/types.h> + #include <sys/socket.h> + ],[ + socklen_t foo; + ],[tcl_cv_type_socklen_t=yes],[tcl_cv_type_socklen_t=no])]) +if test $tcl_cv_type_socklen_t = no; then + AC_DEFINE(socklen_t, int, [Define as int if socklen_t is not available]) +fi + +AC_CHECK_TYPE([intptr_t], [ + AC_DEFINE([HAVE_INTPTR_T], 1, [Do we have the intptr_t type?])], [ + AC_CACHE_CHECK([for pointer-size signed integer type], tcl_cv_intptr_t, [ + for tcl_cv_intptr_t in "int" "long" "long long" none; do + if test "$tcl_cv_intptr_t" != none; then + AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([AC_INCLUDES_DEFAULT], + [[sizeof (void *) <= sizeof ($tcl_cv_intptr_t)]])], + [tcl_ok=yes], [tcl_ok=no]) + test "$tcl_ok" = yes && break; fi + done]) + if test "$tcl_cv_intptr_t" != none; then + AC_DEFINE_UNQUOTED([intptr_t], [$tcl_cv_intptr_t], [Signed integer + type wide enough to hold a pointer.]) + fi +]) +AC_CHECK_TYPE([uintptr_t], [ + AC_DEFINE([HAVE_UINTPTR_T], 1, [Do we have the uintptr_t type?])], [ + AC_CACHE_CHECK([for pointer-size unsigned integer type], tcl_cv_uintptr_t, [ + for tcl_cv_uintptr_t in "unsigned int" "unsigned long" "unsigned long long" \ + none; do + if test "$tcl_cv_uintptr_t" != none; then + AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([AC_INCLUDES_DEFAULT], + [[sizeof (void *) <= sizeof ($tcl_cv_uintptr_t)]])], + [tcl_ok=yes], [tcl_ok=no]) + test "$tcl_ok" = yes && break; fi + done]) + if test "$tcl_cv_uintptr_t" != none; then + AC_DEFINE_UNQUOTED([uintptr_t], [$tcl_cv_uintptr_t], [Unsigned integer + type wide enough to hold a pointer.]) + fi +]) + #-------------------------------------------------------------------- # If a system doesn't have an opendir function (man, that's old!) # then we have to supply a different version of dirent.h which @@ -466,7 +435,7 @@ AC_TYPE_UID_T # provided. This version only works with V7-style directories. #-------------------------------------------------------------------- -AC_CHECK_FUNC(opendir, , AC_DEFINE(USE_DIRENT2_H)) +AC_CHECK_FUNC(opendir, , [AC_DEFINE(USE_DIRENT2_H, 1, [May we include <dirent2.h>?])]) #-------------------------------------------------------------------- # The check below checks whether <sys/wait.h> defines the type @@ -476,80 +445,15 @@ AC_CHECK_FUNC(opendir, , AC_DEFINE(USE_DIRENT2_H)) # the trick. #-------------------------------------------------------------------- -AC_MSG_CHECKING([union wait]) -AC_TRY_LINK([#include <sys/types.h> +AC_CACHE_CHECK([union wait], tcl_cv_union_wait, [ + AC_TRY_LINK([#include <sys/types.h> #include <sys/wait.h>], [ union wait x; WIFEXITED(x); /* Generates compiler error if WIFEXITED * uses an int. */ -], tcl_ok=yes, tcl_ok=no) -AC_MSG_RESULT($tcl_ok) -if test $tcl_ok = no; then - AC_DEFINE(NO_UNION_WAIT) -fi - -#-------------------------------------------------------------------- -# Check to see whether the system supports the matherr function -# and its associated type "struct exception". -#-------------------------------------------------------------------- - -AC_MSG_CHECKING([matherr support]) -AC_TRY_COMPILE([#include <math.h>], [ -struct exception x; -x.type = DOMAIN; -x.type = SING; -], tcl_ok=yes, tcl_ok=no) -AC_MSG_RESULT($tcl_ok) -if test $tcl_ok = yes; then - AC_DEFINE(NEED_MATHERR) -fi - -#-------------------------------------------------------------------- -# Check to see whether the system provides a vfork kernel call. -# If not, then use fork instead. Also, check for a problem with -# vforks and signals that can cause core dumps if a vforked child -# resets a signal handler. If the problem exists, then use fork -# instead of vfork. -#-------------------------------------------------------------------- - -AC_TYPE_SIGNAL() -AC_CHECK_FUNC(vfork, tcl_ok=1, tcl_ok=0) -if test "$tcl_ok" = 1; then - AC_MSG_CHECKING([vfork/signal bug]); - AC_TRY_RUN([ -#include <stdio.h> -#include <signal.h> -#include <sys/wait.h> -int gotSignal = 0; -sigProc(sig) - int sig; -{ - gotSignal = 1; -} -main() -{ - int pid, sts; - (void) signal(SIGCHLD, sigProc); - pid = vfork(); - if (pid < 0) { - exit(1); - } else if (pid == 0) { - (void) signal(SIGCHLD, SIG_DFL); - _exit(0); - } else { - (void) wait(&sts); - } - exit((gotSignal) ? 0 : 1); -}], tcl_ok=1, tcl_ok=0, tcl_ok=0) - if test "$tcl_ok" = 1; then - AC_MSG_RESULT(ok) - else - AC_MSG_RESULT([buggy, using fork instead]) - fi -fi -rm -f core -if test "$tcl_ok" = 0; then - AC_DEFINE(vfork, fork) + ], tcl_cv_union_wait=yes, tcl_cv_union_wait=no)]) +if test $tcl_cv_union_wait = no; then + AC_DEFINE(NO_UNION_WAIT, 1, [Do we have a usable 'union wait'?]) fi #-------------------------------------------------------------------- @@ -566,35 +470,28 @@ if test "$tcl_ok" = 0; then AC_CHECK_LIB(inet, strncasecmp, tcl_ok=1, tcl_ok=0) fi if test "$tcl_ok" = 0; then - LIBOBJS="$LIBOBJS strncasecmp.o" + AC_LIBOBJ([strncasecmp]) + USE_COMPAT=1 fi #-------------------------------------------------------------------- # The code below deals with several issues related to gettimeofday: # 1. Some systems don't provide a gettimeofday function at all # (set NO_GETTOD if this is the case). -# 2. SGI systems don't use the BSD form of the gettimeofday function, -# but they have a BSDgettimeofday function that can be used instead. -# 3. See if gettimeofday is declared in the <sys/time.h> header file. +# 2. See if gettimeofday is declared in the <sys/time.h> header file. # if not, set the GETTOD_NOT_DECLARED flag so that tclPort.h can # declare it. #-------------------------------------------------------------------- -AC_CHECK_FUNC(BSDgettimeofday, AC_DEFINE(HAVE_BSDGETTIMEOFDAY), - AC_CHECK_FUNC(gettimeofday, , AC_DEFINE(NO_GETTOD))) -AC_MSG_CHECKING([for gettimeofday declaration]) -AC_EGREP_HEADER(gettimeofday, sys/time.h, AC_MSG_RESULT(present), [ - AC_MSG_RESULT(missing) - AC_DEFINE(GETTOD_NOT_DECLARED) +AC_CHECK_FUNC(gettimeofday,[],[ + AC_DEFINE(NO_GETTOD, 1, [Do we have gettimeofday()?]) ]) - -#-------------------------------------------------------------------- -# Interactive UNIX requires -linet instead of -lsocket, plus it -# needs net/errno.h to define the socket-related error codes. -#-------------------------------------------------------------------- - -AC_CHECK_LIB(inet, main, [LIBS="$LIBS -linet"]) -AC_CHECK_HEADER(net/errno.h, AC_DEFINE(HAVE_NET_ERRNO_H)) +AC_CACHE_CHECK([for gettimeofday declaration], tcl_cv_grep_gettimeofday, [ + AC_EGREP_HEADER(gettimeofday, sys/time.h, + tcl_cv_grep_gettimeofday=present, tcl_cv_grep_gettimeofday=missing)]) +if test $tcl_cv_grep_gettimeofday = missing ; then + AC_DEFINE(GETTOD_NOT_DECLARED, 1, [Is gettimeofday() actually declared in <sys/time.h>?]) +fi #-------------------------------------------------------------------- # The following code checks to see whether it is possible to get @@ -603,801 +500,374 @@ AC_CHECK_HEADER(net/errno.h, AC_DEFINE(HAVE_NET_ERRNO_H)) #-------------------------------------------------------------------- AC_C_CHAR_UNSIGNED -AC_MSG_CHECKING([signed char declarations]) -AC_TRY_COMPILE(, [ -signed char *p; -p = 0; -], tcl_ok=yes, tcl_ok=no) -AC_MSG_RESULT($tcl_ok) -if test $tcl_ok = yes; then - AC_DEFINE(HAVE_SIGNED_CHAR) +AC_CACHE_CHECK([signed char declarations], tcl_cv_char_signed, [ + AC_TRY_COMPILE(, [ + signed char *p; + p = 0; + ], tcl_cv_char_signed=yes, tcl_cv_char_signed=no)]) +if test $tcl_cv_char_signed = yes; then + AC_DEFINE(HAVE_SIGNED_CHAR, 1, [Are characters signed?]) fi #-------------------------------------------------------------------- -# Check for the existence of the -lsocket and -lnsl libraries. -# The order here is important, so that they end up in the right -# order in the command line generated by make. Here are some -# special considerations: -# 1. Use "connect" and "accept" to check for -lsocket, and -# "gethostbyname" to check for -lnsl. -# 2. Use each function name only once: can't redo a check because -# autoconf caches the results of the last check and won't redo it. -# 3. Use -lnsl and -lsocket only if they supply procedures that -# aren't already present in the normal libraries. This is because -# IRIX 5.2 has libraries, but they aren't needed and they're -# bogus: they goof up name resolution if used. -# 4. On some SVR4 systems, can't use -lsocket without -lnsl too. -# To get around this problem, check for both libraries together -# if -lsocket doesn't work by itself. -#-------------------------------------------------------------------- - -tcl_checkBoth=0 -AC_CHECK_FUNC(connect, tcl_checkSocket=0, tcl_checkSocket=1) -if test "$tcl_checkSocket" = 1; then - AC_CHECK_LIB(socket, main, LIBS="$LIBS -lsocket", tcl_checkBoth=1) -fi -if test "$tcl_checkBoth" = 1; then - tk_oldLibs=$LIBS - LIBS="$LIBS -lsocket -lnsl" - AC_CHECK_FUNC(accept, tcl_checkNsl=0, [LIBS=$tk_oldLibs]) +# Does putenv() copy or not? We need to know to avoid memory leaks. +#-------------------------------------------------------------------- + +AC_CACHE_CHECK([for a putenv() that copies the buffer], tcl_cv_putenv_copy, [ + AC_TRY_RUN([ + #include <stdlib.h> + #define OURVAR "havecopy=yes" + int main (int argc, char *argv[]) + { + char *foo, *bar; + foo = (char *)strdup(OURVAR); + putenv(foo); + strcpy((char *)(strchr(foo, '=') + 1), "no"); + bar = getenv("havecopy"); + if (!strcmp(bar, "no")) { + /* doesnt copy */ + return 0; + } else { + /* does copy */ + return 1; + } + } + ], + tcl_cv_putenv_copy=no, + tcl_cv_putenv_copy=yes, + tcl_cv_putenv_copy=no)]) +if test $tcl_cv_putenv_copy = yes; then + AC_DEFINE(HAVE_PUTENV_THAT_COPIES, 1, + [Does putenv() copy strings or incorporate them by reference?]) fi -AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(nsl, main, [LIBS="$LIBS -lnsl"])) -# Add the threads support libraries +#-------------------------------------------------------------------- +# Check for support of nl_langinfo function +#-------------------------------------------------------------------- -LIBS="$LIBS$THREADS_LIBS" +SC_ENABLE_LANGINFO #-------------------------------------------------------------------- -# The statements below define a collection of symbols related to -# dynamic loading and shared libraries: -# -# DL_OBJS - Name of the object file that implements dynamic -# loading for Tcl on this system. -# DL_LIBS - Library file(s) to include in tclsh and other base -# applications in order for the "load" command to work. -# LD_FLAGS - Flags to pass to the compiler when linking object -# files into an executable application binary such -# as tclsh. -# LD_SEARCH_FLAGS-Flags to pass to ld, such as "-R /usr/local/tcl/lib", -# that tell the run-time dynamic linker where to look -# for shared libraries such as libtcl.so. Depends on -# the variable LIB_RUNTIME_DIR in the Makefile. -# MAKE_LIB - Command to execute to build the Tcl library; -# differs depending on whether or not Tcl is being -# compiled as a shared library. -# SHLIB_CFLAGS - Flags to pass to cc when compiling the components -# of a shared library (may request position-independent -# code, among other things). -# SHLIB_LD - Base command to use for combining object files -# into a shared library. -# SHLIB_LD_LIBS - Dependent libraries for the linker to scan when -# creating shared libraries. This symbol typically -# goes at the end of the "ld" commands that build -# shared libraries. The value of the symbol is -# "${LIBS}" if all of the dependent libraries should -# be specified when creating a shared library. If -# dependent libraries should not be specified (as on -# SunOS 4.x, where they cause the link to fail, or in -# general if Tcl and Tk aren't themselves shared -# libraries), then this symbol has an empty string -# as its value. -# SHLIB_SUFFIX - Suffix to use for the names of dynamically loadable -# extensions. An empty string means we don't know how -# to use shared libraries on this platform. -# TCL_LIB_FILE - Name of the file that contains the Tcl library, such -# as libtcl7.8.so or libtcl7.8.a. -# TCL_LIB_SUFFIX -Specifies everything that comes after the "libtcl" -# in the shared library name, using the $VERSION variable -# to put the version in the right place. This is used -# by platforms that need non-standard library names. -# Examples: ${VERSION}.so.1.1 on NetBSD, since it needs -# to have a version after the .so, and ${VERSION}.a -# on AIX, since the Tcl shared library needs to have -# a .a extension whereas shared objects for loadable -# extensions have a .so extension. Defaults to -# ${VERSION}${SHLIB_SUFFIX}. -# TCL_NEEDS_EXP_FILE - -# 1 means that an export file is needed to link to a -# shared library. -# -# TCL_EXP_FILE - The name of the installed export / import file which -# should be used to link to the Tcl shared library. -# Empty if Tcl is unshared. -# TCL_BUILD_EXP_FILE - -# The name of the built export / import file which -# should be used to link to the Tcl shared library. -# Empty if Tcl is unshared. -#-------------------------------------------------------------------- - -# Step 1: set the variable "system" to hold the name and version number -# for the system. This can usually be done via the "uname" command, but -# there are a few systems, like Next, where this doesn't work. - -AC_MSG_CHECKING([system version (for dynamic loading)]) -if test -f /usr/lib/NextStep/software_version; then - system=NEXTSTEP-`awk '/3/,/3/' /usr/lib/NextStep/software_version` -else - system=`uname -s`-`uname -r` - if test "$?" -ne 0 ; then - AC_MSG_RESULT([unknown (can't find uname command)]) - system=unknown - else - # Special check for weird MP-RAS system (uname returns weird - # results, and the version is kept in special file). - - if test -r /etc/.relid -a "X`uname -n`" = "X`uname -s`" ; then - system=MP-RAS-`awk '{print $3}' /etc/.relid'` - fi - if test "`uname -s`" = "AIX" ; then - system=AIX-`uname -v`.`uname -r` - fi - AC_MSG_RESULT($system) - fi -fi +# Check for support of chflags and mkstemps functions +#-------------------------------------------------------------------- -# Step 2: check for existence of -ldl library. This is needed because -# Linux can use either -ldl or -ldld for dynamic loading. - -AC_CHECK_LIB(dl, dlopen, have_dl=yes, have_dl=no) - -# Step 3: set configuration options based on system name and version. - -do64bit_ok=no -fullSrcDir=`cd $srcdir; pwd` -EXTRA_CFLAGS="" -TCL_EXPORT_FILE_SUFFIX="" -TCL_UNSHARED_LIB_SUFFIX="" -TCL_TRIM_DOTS='`echo ${VERSION} | tr -d .`' -ECHO_VERSION='`echo ${VERSION}`' -TCL_LIB_VERSIONS_OK=ok -CFLAGS_DEBUG=-g -CFLAGS_OPTIMIZE=-O -TCL_NEEDS_EXP_FILE=0 -TCL_BUILD_EXP_FILE="" -TCL_EXP_FILE="" -case $system in - AIX-4.[[2-9]]) - SHLIB_CFLAGS="" - SHLIB_LD="$fullSrcDir/ldAix /bin/ld -bhalt:4 -bM:SRE -bE:lib.exp -H512 -T512 -bnoentry" - SHLIB_LD_LIBS='${LIBS}' - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl" - LD_FLAGS="" - LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}' - TCL_NEEDS_EXP_FILE=1 - TCL_EXPORT_FILE_SUFFIX='${VERSION}\$\{DBGX\}.exp' - ;; - AIX-*) - SHLIB_CFLAGS="" - SHLIB_LD="$fullSrcDir/ldAix /bin/ld -bhalt:4 -bM:SRE -bE:lib.exp -H512 -T512" - SHLIB_LD_LIBS='${LIBS}' - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o tclLoadAix.o" - DL_LIBS="-lld" - LD_FLAGS="" - LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}' - TCL_NEEDS_EXP_FILE=1 - TCL_EXPORT_FILE_SUFFIX='${VERSION}\$\{DBGX\}.exp' - ;; - BSD/OS-2.1*|BSD/OS-3*) - SHLIB_CFLAGS="" - SHLIB_LD="shlicc -r" - SHLIB_LD_LIBS='${LIBS}' - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl" - LD_FLAGS="" - LD_SEARCH_FLAGS="" - ;; - BSD/OS-4.*) - SHLIB_CFLAGS="-export-dynamic -fPIC" - SHLIB_LD="cc -shared" - SHLIB_LD_LIBS='${LIBS}' - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl" - LD_FLAGS="-export-dynamic" - LD_SEARCH_FLAGS="" - ;; - dgux*) - SHLIB_CFLAGS="-K PIC" - SHLIB_LD="cc -G" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl" - LD_FLAGS="" - LD_SEARCH_FLAGS="" - ;; - HP-UX-*.08.*|HP-UX-*.09.*|HP-UX-*.10.*|HP-UX-*.11.*) - SHLIB_SUFFIX=".sl" - AC_CHECK_LIB(dld, shl_load, tcl_ok=yes, tcl_ok=no) - if test "$tcl_ok" = yes; then - SHLIB_CFLAGS="+z" - SHLIB_LD="ld -b" - SHLIB_LD_LIBS="" - DL_OBJS="tclLoadShl.o" - DL_LIBS="-ldld" - LD_FLAGS="-Wl,-E" - LD_SEARCH_FLAGS='-Wl,+s,+b,${LIB_RUNTIME_DIR}:.' - fi - ;; - IRIX-4.*) - SHLIB_CFLAGS="-G 0" - SHLIB_SUFFIX=".a" - SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r -G 0" - SHLIB_LD_LIBS='${LIBS}' - DL_OBJS="tclLoadAout.o" - DL_LIBS="" - LD_FLAGS="-Wl,-D,08000000" - LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}' - TCL_SHARED_LIB_SUFFIX='${VERSION}\$\{DBGX\}.a' - ;; - IRIX-5.*|IRIX-6.*|IRIX64-6.5*) - SHLIB_CFLAGS="" - SHLIB_LD="ld -n32 -shared -rdata_shared" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="" - LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}' - if test "$CC" = "gcc" -o `$CC -v 2>&1 | grep -c gcc` != "0" ; then - EXTRA_CFLAGS="-mabi=n32" - LD_FLAGS="-mabi=n32" - else - case $system in - IRIX-6.3) - # Use to build 6.2 compatible binaries on 6.3. - EXTRA_CFLAGS="-n32 -D_OLD_TERMIOS" - ;; - *) - EXTRA_CFLAGS="-n32" - ;; - esac - LD_FLAGS="-n32" - fi - ;; - IRIX64-6.*) - SHLIB_CFLAGS="" - SHLIB_LD="ld -32 -shared -rdata_shared" - SHLIB_LD_LIBS='${LIBS}' - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="" - LD_FLAGS="" - LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}' - ;; - Linux*) - SHLIB_CFLAGS="-fPIC" - SHLIB_LD_LIBS="${LIBS}" - SHLIB_SUFFIX=".so" - if test "$have_dl" = yes; then - SHLIB_LD="${CC} -shared" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl" - LD_FLAGS="-rdynamic" - LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}' - else - AC_CHECK_HEADER(dld.h, [ - SHLIB_LD="ld -shared" - DL_OBJS="tclLoadDld.o" - DL_LIBS="-ldld" - LD_FLAGS="" - LD_SEARCH_FLAGS=""]) - fi - ;; - MP-RAS-02*) - SHLIB_CFLAGS="-K PIC" - SHLIB_LD="cc -G" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl" - LD_FLAGS="" - LD_SEARCH_FLAGS="" - ;; - MP-RAS-*) - SHLIB_CFLAGS="-K PIC" - SHLIB_LD="cc -G" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl" - LD_FLAGS="-Wl,-Bexport" - LD_SEARCH_FLAGS="" - ;; - NetBSD-*|FreeBSD-[12].*|OpenBSD-*) - # Not available on all versions: check for include file. - AC_CHECK_HEADER(dlfcn.h, [ - SHLIB_CFLAGS="-fpic" - SHLIB_LD="ld -Bshareable -x" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="" - LD_FLAGS="" - LD_SEARCH_FLAGS="" - TCL_SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}\$\{DBGX\}.so.1.0' - ], [ - SHLIB_CFLAGS="" - SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r" - SHLIB_LD_LIBS='${LIBS}' - SHLIB_SUFFIX=".a" - DL_OBJS="tclLoadAout.o" - DL_LIBS="" - LD_FLAGS="" - LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}' - TCL_SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}\$\{DBGX\}.a' - ]) - - # FreeBSD doesn't handle version numbers with dots. - - TCL_UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}\$\{DBGX\}.a' - TCL_LIB_VERSIONS_OK=nodots - ;; - FreeBSD-*) - # FreeBSD 3.* and greater have ELF. - SHLIB_CFLAGS="-fpic" - SHLIB_LD="ld -Bshareable -x" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="" - LD_FLAGS="" - LD_SEARCH_FLAGS="" - ;; - NEXTSTEP-*) - SHLIB_CFLAGS="" - SHLIB_LD="cc -nostdlib -r" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadNext.o" - DL_LIBS="" - LD_FLAGS="" - LD_SEARCH_FLAGS="" - ;; - OSF1-1.0|OSF1-1.1|OSF1-1.2) - # OSF/1 1.[012] from OSF, and derivatives, including Paragon OSF/1 - SHLIB_CFLAGS="" - # Hack: make package name same as library name - SHLIB_LD='ld -R -export $@:' - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadOSF.o" - DL_LIBS="" - LD_FLAGS="" - LD_SEARCH_FLAGS="" - ;; - OSF1-1.*) - # OSF/1 1.3 from OSF using ELF, and derivatives, including AD2 - SHLIB_CFLAGS="-fpic" - SHLIB_LD="ld -shared" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="" - LD_FLAGS="" - LD_SEARCH_FLAGS="" - ;; - OSF1-V*) - # Digital OSF/1 - SHLIB_CFLAGS="" - SHLIB_LD='ld -shared -expect_unresolved "*"' - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="" - LD_FLAGS="" - LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}' - ;; - RISCos-*) - SHLIB_CFLAGS="-G 0" - SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r -G 0" - SHLIB_LD_LIBS='${LIBS}' - SHLIB_SUFFIX=".a" - DL_OBJS="tclLoadAout.o" - DL_LIBS="" - LD_FLAGS="-Wl,-D,08000000" - LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}' - ;; - SCO_SV-3.2*) - # Note, dlopen is available only on SCO 3.2.5 and greater. However, - # this test works, since "uname -s" was non-standard in 3.2.4 and - # below. - SHLIB_CFLAGS="-Kpic -belf" - SHLIB_LD="ld -G" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="" - LD_FLAGS="-belf -Wl,-Bexport" - LD_SEARCH_FLAGS="" - ;; - SINIX*5.4*) - SHLIB_CFLAGS="-K PIC" - SHLIB_LD="cc -G" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl" - LD_FLAGS="" - LD_SEARCH_FLAGS="" - ;; - SunOS-4*) - SHLIB_CFLAGS="-PIC" - SHLIB_LD="ld" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl" - LD_FLAGS="" - LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}' - - # SunOS can't handle version numbers with dots in them in library - # specs, like -ltcl7.5, so use -ltcl75 instead. Also, it - # requires an extra version number at the end of .so file names. - # So, the library has to have a name like libtcl75.so.1.0 - - TCL_SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}\$\{DBGX\}.so.1.0' - TCL_UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}\$\{DBGX\}.a' - TCL_LIB_VERSIONS_OK=nodots - ;; - SunOS-5.[[0-6]]*) -# SunOS-5*) - SHLIB_CFLAGS="-KPIC" - SHLIB_LD="/usr/ccs/bin/ld -G -z text" - - # Note: need the LIBS below, otherwise Tk won't find Tcl's - # symbols when dynamically loaded into tclsh. - - SHLIB_LD_LIBS='${LIBS}' - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl" - LD_FLAGS="" - LD_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}' - ;; - SunOS-5*) - SHLIB_CFLAGS="-KPIC" - SHLIB_LD="/usr/ccs/bin/ld -G -z text" - LD_FLAGS="" - - do64bit_ok=no - if test "$do64bit" = "yes" ; then - arch=`isainfo` - if test "$arch" = "sparcv9 sparc" ; then - if test "$CC" != "gcc" -a `$CC -v 2>&1 | grep -c gcc` = "0" ; then - do64bit_ok=yes - EXTRA_CFLAGS="-xarch=v9" - LD_FLAGS="-xarch=v9" - else - AC_MSG_WARN("64bit mode not supported using GCC on $system") - fi - else - AC_MSG_WARN("64bit mode only supported sparcv9 system") - fi - fi - - # Note: need the LIBS below, otherwise Tk won't find Tcl's - # symbols when dynamically loaded into tclsh. - - SHLIB_LD_LIBS='${LIBS}' - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl" - if test "$CC" = "gcc" -o `$CC -v 2>&1 | grep -c gcc` != "0" ; then - LD_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}' - else - LD_SEARCH_FLAGS='-R ${LIB_RUNTIME_DIR}' - fi - ;; - ULTRIX-4.*) - SHLIB_CFLAGS="-G 0" - SHLIB_SUFFIX=".a" - SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r -G 0" - SHLIB_LD_LIBS='${LIBS}' - DL_OBJS="tclLoadAout.o" - DL_LIBS="" - LD_FLAGS="-Wl,-D,08000000" - LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}' - ;; - UNIX_SV* | UnixWare-5*) - SHLIB_CFLAGS="-KPIC" - SHLIB_LD="cc -G" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl" - # Some UNIX_SV* systems (unixware 1.1.2 for example) have linkers - # that don't grok the -Bexport option. Test that it does. - hold_ldflags=$LDFLAGS - AC_MSG_CHECKING(for ld accepts -Bexport flag) - LDFLAGS="${LDFLAGS} -Wl,-Bexport" - AC_TRY_LINK(, [int i;], found=yes, found=no) - LDFLAGS=$hold_ldflags - AC_MSG_RESULT($found) - if test $found = yes; then - LD_FLAGS="-Wl,-Bexport" - else - LD_FLAGS="" - fi - LD_SEARCH_FLAGS="" - ;; -esac +AC_CHECK_FUNCS(chflags mkstemps) + +#-------------------------------------------------------------------- +# Check for support of isnan() function or macro +#-------------------------------------------------------------------- -if test "$do64bit" = "yes" -a "$do64bit_ok" = "no" ; then - AC_MSG_WARN("64bit support being disabled -- not supported on this platform") +AC_CACHE_CHECK([isnan], tcl_cv_isnan, [ + AC_TRY_LINK([#include <math.h>], [ +isnan(0.0); /* Generates an error if isnan is missing */ +], tcl_cv_isnan=yes, tcl_cv_isnan=no)]) +if test $tcl_cv_isnan = no; then + AC_DEFINE(NO_ISNAN, 1, [Do we have a usable 'isnan'?]) fi -# Step 4: If pseudo-static linking is in use (see K. B. Kenny, "Dynamic -# Loading for Tcl -- What Became of It?". Proc. 2nd Tcl/Tk Workshop, -# New Orleans, LA, Computerized Processes Unlimited, 1994), then we need -# to determine which of several header files defines the a.out file -# format (a.out.h, sys/exec.h, or sys/exec_aout.h). At present, we -# support only a file format that is more or less version-7-compatible. -# In particular, -# - a.out files must begin with `struct exec'. -# - the N_TXTOFF on the `struct exec' must compute the seek address -# of the text segment -# - The `struct exec' must contain a_magic, a_text, a_data, a_bss -# and a_entry fields. -# The following compilation should succeed if and only if either sys/exec.h -# or a.out.h is usable for the purpose. -# -# Note that the modified COFF format used on MIPS Ultrix 4.x is usable; the -# `struct exec' includes a second header that contains information that -# duplicates the v7 fields that are needed. - -if test "x$DL_OBJS" = "xtclLoadAout.o" ; then - AC_MSG_CHECKING(sys/exec.h) - AC_TRY_COMPILE([#include <sys/exec.h>],[ - struct exec foo; - unsigned long seek; - int flag; -#if defined(__mips) || defined(mips) - seek = N_TXTOFF (foo.ex_f, foo.ex_o); -#else - seek = N_TXTOFF (foo); -#endif - flag = (foo.a_magic == OMAGIC); - return foo.a_text + foo.a_data + foo.a_bss + foo.a_entry; -], tcl_ok=usable, tcl_ok=unusable) - AC_MSG_RESULT($tcl_ok) - if test $tcl_ok = usable; then - AC_DEFINE(USE_SYS_EXEC_H) - else - AC_MSG_CHECKING(a.out.h) - AC_TRY_COMPILE([#include <a.out.h>],[ - struct exec foo; - unsigned long seek; - int flag; -#if defined(__mips) || defined(mips) - seek = N_TXTOFF (foo.ex_f, foo.ex_o); -#else - seek = N_TXTOFF (foo); -#endif - flag = (foo.a_magic == OMAGIC); - return foo.a_text + foo.a_data + foo.a_bss + foo.a_entry; - ], tcl_ok=usable, tcl_ok=unusable) - AC_MSG_RESULT($tcl_ok) - if test $tcl_ok = usable; then - AC_DEFINE(USE_A_OUT_H) - else - AC_MSG_CHECKING(sys/exec_aout.h) - AC_TRY_COMPILE([#include <sys/exec_aout.h>],[ - struct exec foo; - unsigned long seek; - int flag; -#if defined(__mips) || defined(mips) - seek = N_TXTOFF (foo.ex_f, foo.ex_o); -#else - seek = N_TXTOFF (foo); -#endif - flag = (foo.a_midmag == OMAGIC); - return foo.a_text + foo.a_data + foo.a_bss + foo.a_entry; - ], tcl_ok=usable, tcl_ok=unusable) - AC_MSG_RESULT($tcl_ok) - if test $tcl_ok = usable; then - AC_DEFINE(USE_SYS_EXEC_AOUT_H) - else - DL_OBJS="" - fi +#-------------------------------------------------------------------- +# Darwin specific API checks and defines +#-------------------------------------------------------------------- + +if test "`uname -s`" = "Darwin" ; then + AC_CHECK_FUNCS(getattrlist) + AC_CHECK_HEADERS(copyfile.h) + AC_CHECK_FUNCS(copyfile) + if test $tcl_corefoundation = yes; then + AC_CHECK_HEADERS(libkern/OSAtomic.h) + AC_CHECK_FUNCS(OSSpinLockLock) + fi + AC_DEFINE(USE_VFORK, 1, [Should we use vfork() instead of fork()?]) + AC_DEFINE(TCL_DEFAULT_ENCODING, "utf-8", + [Are we to override what our default encoding is?]) + AC_DEFINE(TCL_LOAD_FROM_MEMORY, 1, + [Can this platform load code from memory?]) + AC_DEFINE(TCL_WIDE_CLICKS, 1, + [Does this platform have wide high-resolution clicks?]) + AC_CHECK_HEADERS(AvailabilityMacros.h) + if test "$ac_cv_header_AvailabilityMacros_h" = yes; then + AC_CACHE_CHECK([if weak import is available], tcl_cv_cc_weak_import, [ + hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -Werror" + AC_TRY_LINK([ + #ifdef __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ + #if __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1020 + #error __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1020 + #endif + #elif MAC_OS_X_VERSION_MIN_REQUIRED < 1020 + #error MAC_OS_X_VERSION_MIN_REQUIRED < 1020 + #endif + int rand(void) __attribute__((weak_import)); + ], [rand();], + tcl_cv_cc_weak_import=yes, tcl_cv_cc_weak_import=no) + CFLAGS=$hold_cflags]) + if test $tcl_cv_cc_weak_import = yes; then + AC_DEFINE(HAVE_WEAK_IMPORT, 1, [Is weak import available?]) + fi + AC_CACHE_CHECK([if Darwin SUSv3 extensions are available], + tcl_cv_cc_darwin_c_source, [ + hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -Werror" + AC_TRY_COMPILE([ + #ifdef __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ + #if __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1050 + #error __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1050 + #endif + #elif MAC_OS_X_VERSION_MIN_REQUIRED < 1050 + #error MAC_OS_X_VERSION_MIN_REQUIRED < 1050 + #endif + #define _DARWIN_C_SOURCE 1 + #include <sys/cdefs.h> + ],,tcl_cv_cc_darwin_c_source=yes, tcl_cv_cc_darwin_c_source=no) + CFLAGS=$hold_cflags]) + if test $tcl_cv_cc_darwin_c_source = yes; then + AC_DEFINE(_DARWIN_C_SOURCE, 1, + [Are Darwin SUSv3 extensions available?]) fi fi + # Build .bundle dltest binaries in addition to .dylib + DLTEST_LD='${CC} -bundle -Wl,-w ${CFLAGS} ${LDFLAGS}' + DLTEST_SUFFIX=".bundle" +else + DLTEST_LD='${SHLIB_LD}' + DLTEST_SUFFIX="" fi -# Step 5: disable dynamic loading if requested via a command-line switch. +#-------------------------------------------------------------------- +# Check for support of fts functions (readdir replacement) +#-------------------------------------------------------------------- -AC_ARG_ENABLE(load, [ --disable-load disallow dynamic loading and "load" command], - [tcl_ok=$enableval], [tcl_ok=yes]) -if test "$tcl_ok" = "no"; then - DL_OBJS="" +AC_CACHE_CHECK([for fts], tcl_cv_api_fts, [ + AC_TRY_LINK([ + #include <sys/param.h> + #include <sys/stat.h> + #include <fts.h> + ], [ + char*const p[2] = {"/", NULL}; + FTS *f = fts_open(p, FTS_PHYSICAL|FTS_NOCHDIR|FTS_NOSTAT, NULL); + FTSENT *e = fts_read(f); fts_close(f); + ], tcl_cv_api_fts=yes, tcl_cv_api_fts=no)]) +if test $tcl_cv_api_fts = yes; then + AC_DEFINE(HAVE_FTS, 1, [Do we have fts functions?]) fi -if test "x$DL_OBJS" != "x" ; then - BUILD_DLTEST="\$(DLTEST_TARGETS)" -else - echo "Can't figure out how to do dynamic loading or shared libraries" - echo "on this system." - SHLIB_CFLAGS="" - SHLIB_LD="" - SHLIB_SUFFIX="" - DL_OBJS="tclLoadNone.o" - DL_LIBS="" - LD_FLAGS="" - LD_SEARCH_FLAGS="" - BUILD_DLTEST="" -fi +#-------------------------------------------------------------------- +# The statements below check for systems where POSIX-style non-blocking +# I/O (O_NONBLOCK) doesn't work or is unimplemented. On these systems +# (mostly older ones), use the old BSD-style FIONBIO approach instead. +#-------------------------------------------------------------------- -# If we're running gcc, then change the C flags for compiling shared -# libraries to the right flags for gcc, instead of those for the -# standard manufacturer compiler. - -if test "$DL_OBJS" != "tclLoadNone.o" ; then - if test "$CC" = "gcc" -o `$CC -v 2>&1 | grep -c gcc` != "0" ; then - case $system in - AIX-*) - ;; - BSD/OS*) - ;; - IRIX*) - ;; - NetBSD-*|FreeBSD-*|OpenBSD-*) - ;; - RISCos-*) - ;; - ULTRIX-4.*) - ;; - *) - SHLIB_CFLAGS="-fPIC" - ;; - esac - fi -fi +SC_BLOCKING_STYLE -# Set the default compiler switches based on the --enable-symbols option +#------------------------------------------------------------------------ -AC_ARG_ENABLE(symbols, [ --enable-symbols build with debugging symbols], - [tcl_ok=$enableval], [tcl_ok=no]) -if test "$tcl_ok" = "yes"; then - CFLAGS='$(CFLAGS_DEBUG)' - TCL_DBGX=g -else - CFLAGS='$(CFLAGS_OPTIMIZE)' - TCL_DBGX="" +AC_MSG_CHECKING([whether to use dll unloading]) +AC_ARG_ENABLE(dll-unloading, + AC_HELP_STRING([--enable-dll-unloading], + [enable the 'unload' command (default: on)]), + [tcl_ok=$enableval], [tcl_ok=yes]) +if test $tcl_ok = yes; then + AC_DEFINE(TCL_UNLOAD_DLLS, 1, [Do we allow unloading of shared libraries?]) fi +AC_MSG_RESULT([$tcl_ok]) -#-------------------------------------------------------------------- -# The statements below check for systems where POSIX-style -# non-blocking I/O (O_NONBLOCK) doesn't work or is unimplemented. -# On these systems (mostly older ones), use the old BSD-style -# FIONBIO approach instead. -#-------------------------------------------------------------------- +#------------------------------------------------------------------------ +# Check whether the timezone data is supplied by the OS or has +# to be installed by Tcl. The default is autodetection, but can +# be overriden on the configure command line either way. +#------------------------------------------------------------------------ -AC_CHECK_HEADERS(sys/ioctl.h) -AC_CHECK_HEADERS(sys/filio.h) -AC_MSG_CHECKING([FIONBIO vs. O_NONBLOCK for nonblocking I/O]) -if test -f /usr/lib/NextStep/software_version; then - system=NEXTSTEP-`awk '/3/,/3/' /usr/lib/NextStep/software_version` -else - system=`uname -s`-`uname -r` - if test "$?" -ne 0 ; then - system=unknown - else - # Special check for weird MP-RAS system (uname returns weird - # results, and the version is kept in special file). - - if test -r /etc/.relid -a "X`uname -n`" = "X`uname -s`" ; then - system=MP-RAS-`awk '{print $3}' /etc/.relid'` - fi - if test "`uname -s`" = "AIX" ; then - system=AIX-`uname -v`.`uname -r` +AC_MSG_CHECKING([for timezone data]) +AC_ARG_WITH(tzdata, + AC_HELP_STRING([--with-tzdata], + [install timezone data (default: autodetect)]), + [tcl_ok=$withval], [tcl_ok=auto]) +# +# Any directories that get added here must also be added to the +# search path in ::tcl::clock::Initialize (library/clock.tcl). +# +case $tcl_ok in + no) + AC_MSG_RESULT([supplied by OS vendor]) + ;; + yes) + # nothing to do here + ;; + auto*) + AC_CACHE_VAL([tcl_cv_dir_zoneinfo], [ + for dir in /usr/share/zoneinfo \ + /usr/share/lib/zoneinfo \ + /usr/lib/zoneinfo + do + if test -f $dir/UTC -o -f $dir/GMT + then + tcl_cv_dir_zoneinfo="$dir" + break + fi + done]) + if test -n "$tcl_cv_dir_zoneinfo"; then + tcl_ok=no + AC_MSG_RESULT([$dir]) + else + tcl_ok=yes fi - fi -fi -case $system in - # There used to be code here to use FIONBIO under AIX. However, it - # was reported that FIONBIO doesn't work under AIX 3.2.5. Since - # using O_NONBLOCK seems fine under AIX 4.*, I removed the FIONBIO - # code (JO, 5/31/97). - - OSF*) - AC_DEFINE(USE_FIONBIO) - AC_MSG_RESULT(FIONBIO) - ;; - SunOS-4*) - AC_DEFINE(USE_FIONBIO) - AC_MSG_RESULT(FIONBIO) - ;; - ULTRIX-4.*) - AC_DEFINE(USE_FIONBIO) - AC_MSG_RESULT(FIONBIO) - ;; + ;; *) - AC_MSG_RESULT(O_NONBLOCK) - ;; + AC_MSG_ERROR([invalid argument: $tcl_ok]) + ;; esac +if test $tcl_ok = yes +then + AC_MSG_RESULT([supplied by Tcl]) + INSTALL_TZDATA=install-tzdata +fi #-------------------------------------------------------------------- -# The statements below define a collection of symbols related to -# building libtcl as a shared library instead of a static library. +# DTrace support #-------------------------------------------------------------------- -realRanlib=$RANLIB -if test "$TCL_SHARED_LIB_SUFFIX" = "" ; then - TCL_SHARED_LIB_SUFFIX='${VERSION}\$\{DBGX\}${SHLIB_SUFFIX}' +AC_ARG_ENABLE(dtrace, + AC_HELP_STRING([--enable-dtrace], + [build with DTrace support (default: off)]), + [tcl_ok=$enableval], [tcl_ok=no]) +if test $tcl_ok = yes; then + AC_CHECK_HEADER(sys/sdt.h, [tcl_ok=yes], [tcl_ok=no]) fi -if test "$TCL_UNSHARED_LIB_SUFFIX" = "" ; then - TCL_UNSHARED_LIB_SUFFIX='${VERSION}\$\{DBGX\}.a' +if test $tcl_ok = yes; then + AC_PATH_PROG(DTRACE, dtrace,, [$PATH:/usr/sbin]) + test -z "$ac_cv_path_DTRACE" && tcl_ok=no fi -AC_ARG_ENABLE(shared, - [ --enable-shared build libtcl as a shared library (on by default)], - [tcl_ok=$enableval], [tcl_ok=yes]) -if test "$tcl_ok" = "yes" -a "${SHLIB_SUFFIX}" != "" ; then - TCL_SHARED_BUILD=1 - TCL_SHLIB_CFLAGS="${SHLIB_CFLAGS}" - TCL_LD_SEARCH_FLAGS="${LD_SEARCH_FLAGS}" - eval "TCL_LIB_FILE=libtcl${TCL_SHARED_LIB_SUFFIX}" - if test "x$DL_OBJS" = "xtclLoadAout.o"; then - MAKE_LIB="ar cr \${TCL_LIB_FILE} \${OBJS}" - else - MAKE_LIB="\${SHLIB_LD} -o \${TCL_LIB_FILE} \${OBJS} ${SHLIB_LD_LIBS}" - RANLIB=":" +AC_MSG_CHECKING([whether to enable DTrace support]) +MAKEFILE_SHELL='/bin/sh' +if test $tcl_ok = yes; then + AC_DEFINE(USE_DTRACE, 1, [Are we building with DTrace support?]) + DTRACE_SRC="\${DTRACE_SRC}" + DTRACE_HDR="\${DTRACE_HDR}" + if test "`uname -s`" != "Darwin" ; then + DTRACE_OBJ="\${DTRACE_OBJ}" + if test "`uname -s`" = "SunOS" -a "$SHARED_BUILD" = "0" ; then + # Need to create an intermediate object file to ensure tclDTrace.o + # gets included when linking against the static tcl library. + STLIB_LD='stlib_ld () { /usr/ccs/bin/ld -r -o $${1%.a}.o "$${@:2}" && '"${STLIB_LD}"' $${1} $${1%.a}.o ; } && stlib_ld' + MAKEFILE_SHELL='/bin/bash' + # Force use of Sun ar and ranlib, the GNU versions choke on + # tclDTrace.o and the combined object file above. + AR='/usr/ccs/bin/ar' + RANLIB='/usr/ccs/bin/ranlib' + fi fi -else - TCL_SHARED_BUILD=0 - case $system in - BSD/OS*) - ;; +fi +AC_MSG_RESULT([$tcl_ok]) - AIX-*) - ;; +#-------------------------------------------------------------------- +# The check below checks whether the cpuid instruction is usable. +#-------------------------------------------------------------------- - *) - SHLIB_LD_LIBS="" - ;; - esac - TCL_SHLIB_CFLAGS="" - TCL_LD_SEARCH_FLAGS="${LD_SEARCH_FLAGS}" - eval "TCL_LIB_FILE=libtcl${TCL_UNSHARED_LIB_SUFFIX}" - MAKE_LIB="ar cr \${TCL_LIB_FILE} \${OBJS}" +AC_CACHE_CHECK([whether the cpuid instruction is usable], tcl_cv_cpuid, [ + AC_TRY_LINK(, [ + int index,regsPtr[4]; + __asm__ __volatile__("mov %%ebx, %%edi \n\t" + "cpuid \n\t" + "mov %%ebx, %%esi \n\t" + "mov %%edi, %%ebx \n\t" + : "=a"(regsPtr[0]), "=S"(regsPtr[1]), "=c"(regsPtr[2]), "=d"(regsPtr[3]) + : "a"(index) : "edi"); + ], tcl_cv_cpuid=yes, tcl_cv_cpuid=no)]) +if test $tcl_cv_cpuid = yes; then + AC_DEFINE(HAVE_CPUID, 1, [Is the cpuid instruction usable?]) fi +#-------------------------------------------------------------------- +# The statements below define a collection of symbols related to +# building libtcl as a shared library instead of a static library. +#-------------------------------------------------------------------- + +TCL_UNSHARED_LIB_SUFFIX=${UNSHARED_LIB_SUFFIX} +TCL_SHARED_LIB_SUFFIX=${SHARED_LIB_SUFFIX} +eval "TCL_LIB_FILE=libtcl${LIB_SUFFIX}" + # tclConfig.sh needs a version of the _LIB_SUFFIX that has been eval'ed -# so that the backslashes quoting the DBX braces are dropped. +# since on some platforms TCL_LIB_FILE contains shell escapes. +# (See also: TCL_TRIM_DOTS). -# Trick to replace DBGX with TCL_DBGX -DBGX='${TCL_DBGX}' eval "TCL_LIB_FILE=${TCL_LIB_FILE}" +TCL_LIBRARY='$(prefix)/lib/tcl$(VERSION)' +PRIVATE_INCLUDE_DIR='$(includedir)' +HTML_DIR='$(DISTDIR)/html' + # Note: in the following variable, it's important to use the absolute # path name of the Tcl directory rather than "..": this is because # AIX remembers this path and will attempt to use it at run-time to look # up the Tcl library. -if test $TCL_SHARED_BUILD = 0 -o $TCL_NEEDS_EXP_FILE = 0; then - if test "${TCL_LIB_VERSIONS_OK}" = "ok"; then - TCL_LIB_FLAG="-ltcl${TCL_VERSION}\${TCL_DBGX}" +if test "`uname -s`" = "Darwin" ; then + SC_ENABLE_FRAMEWORK + TCL_SHLIB_LD_EXTRAS="-compatibility_version ${TCL_VERSION} -current_version ${TCL_VERSION}`echo ${TCL_PATCH_LEVEL} | awk ['{match($0, "\\\.[0-9]+"); print substr($0,RSTART,RLENGTH)}']`" + TCL_SHLIB_LD_EXTRAS="${TCL_SHLIB_LD_EXTRAS}"' -install_name "${DYLIB_INSTALL_DIR}"/${TCL_LIB_FILE}' + echo "$LDFLAGS " | grep -q -- '-prebind ' && TCL_SHLIB_LD_EXTRAS="${TCL_SHLIB_LD_EXTRAS}"' -seg1addr 0xa000000' + TCL_SHLIB_LD_EXTRAS="${TCL_SHLIB_LD_EXTRAS}"' -sectcreate __TEXT __info_plist Tcl-Info.plist' + EXTRA_TCLSH_LIBS='-sectcreate __TEXT __info_plist Tclsh-Info.plist' + EXTRA_APP_CC_SWITCHES='-mdynamic-no-pic' + AC_CONFIG_FILES([Tcl-Info.plist:../macosx/Tcl-Info.plist.in Tclsh-Info.plist:../macosx/Tclsh-Info.plist.in]) + TCL_YEAR="`date +%Y`" +fi + +if test "$FRAMEWORK_BUILD" = "1" ; then + AC_DEFINE(TCL_FRAMEWORK, 1, [Is Tcl built as a framework?]) + # Construct a fake local framework structure to make linking with + # '-framework Tcl' and running of tcltest work + AC_CONFIG_COMMANDS([Tcl.framework], [n=Tcl && + f=$n.framework && v=Versions/$VERSION && + rm -rf $f && mkdir -p $f/$v/Resources && + ln -s $v/$n $v/Resources $f && ln -s ../../../$n $f/$v && + ln -s ../../../../$n-Info.plist $f/$v/Resources/Info.plist && + unset n f v + ], VERSION=${TCL_VERSION}) + LD_LIBRARY_PATH_VAR="DYLD_FRAMEWORK_PATH" + # default install directory for bundled packages + if test "${libdir}" = '${exec_prefix}/lib' -o "`basename ${libdir}`" = 'Frameworks'; then + PACKAGE_DIR="/Library/Tcl" else - TCL_LIB_FLAG="-ltcl`echo ${TCL_VERSION} | tr -d .`\${TCL_DBGX}" + PACKAGE_DIR="$libdir" + fi + if test "${libdir}" = '${exec_prefix}/lib'; then + # override libdir default + libdir="/Library/Frameworks" fi - TCL_BUILD_LIB_SPEC="-L`pwd` ${TCL_LIB_FLAG}" - TCL_LIB_SPEC="-L${exec_prefix}/lib ${TCL_LIB_FLAG}" + TCL_LIB_FILE="Tcl" + TCL_LIB_FLAG="-framework Tcl" + TCL_BUILD_LIB_SPEC="-F`pwd | sed -e 's/ /\\\\ /g'` -framework Tcl" + TCL_LIB_SPEC="-F${libdir} -framework Tcl" + libdir="${libdir}/Tcl.framework/Versions/\${VERSION}" + TCL_LIBRARY="${libdir}/Resources/Scripts" + includedir="${libdir}/Headers" + PRIVATE_INCLUDE_DIR="${libdir}/PrivateHeaders" + HTML_DIR="${libdir}/Resources/Documentation/Reference/Tcl" + EXTRA_INSTALL="install-private-headers html-tcl" + EXTRA_BUILD_HTML='@ln -fs contents.htm "$(HTML_INSTALL_DIR)"/TclTOC.html' + EXTRA_INSTALL_BINARIES='@echo "Installing Info.plist to $(LIB_INSTALL_DIR)/Resources/" && $(INSTALL_DATA_DIR) "$(LIB_INSTALL_DIR)/Resources" && $(INSTALL_DATA) Tcl-Info.plist "$(LIB_INSTALL_DIR)/Resources/Info.plist"' + EXTRA_INSTALL_BINARIES="$EXTRA_INSTALL_BINARIES"' && echo "Installing license.terms to $(LIB_INSTALL_DIR)/Resources/" && $(INSTALL_DATA) "$(TOP_DIR)/license.terms" "$(LIB_INSTALL_DIR)/Resources"' + EXTRA_INSTALL_BINARIES="$EXTRA_INSTALL_BINARIES"' && echo "Finalizing Tcl.framework" && rm -f "$(LIB_INSTALL_DIR)/../Current" && ln -s "$(VERSION)" "$(LIB_INSTALL_DIR)/../Current" && for f in "$(LIB_FILE)" tclConfig.sh Resources Headers PrivateHeaders; do rm -f "$(LIB_INSTALL_DIR)/../../$$f" && ln -s "Versions/Current/$$f" "$(LIB_INSTALL_DIR)/../.."; done && f="$(STUB_LIB_FILE)" && rm -f "$(LIB_INSTALL_DIR)/../../$$f" && ln -s "Versions/$(VERSION)/$$f" "$(LIB_INSTALL_DIR)/../.."' + # Don't use AC_DEFINE for the following as the framework version define + # needs to go into the Makefile even when using autoheader, so that we + # can pick up a potential make override of VERSION. Also, don't put this + # into CFLAGS as it should not go into tclConfig.sh + EXTRA_CC_SWITCHES='-DTCL_FRAMEWORK_VERSION=\"$(VERSION)\"' else - TCL_BUILD_EXP_FILE="lib.exp" - eval "TCL_EXP_FILE=libtcl${TCL_EXPORT_FILE_SUFFIX}" - - # Replace DBGX with TCL_DBGX - eval "TCL_EXP_FILE=\"${TCL_EXP_FILE}\"" - - TCL_BUILD_LIB_SPEC="-bI:`pwd`/${TCL_BUILD_EXP_FILE}" - TCL_LIB_SPEC="-bI:${exec_prefix}/lib/${TCL_EXP_FILE}" + # libdir must be a fully qualified path and not ${exec_prefix}/lib + eval libdir="$libdir" + # default install directory for bundled packages + PACKAGE_DIR="$libdir" + if test "${TCL_LIB_VERSIONS_OK}" = "ok"; then + TCL_LIB_FLAG="-ltcl${TCL_VERSION}" + else + TCL_LIB_FLAG="-ltcl`echo ${TCL_VERSION} | tr -d .`" + fi + TCL_BUILD_LIB_SPEC="-L`pwd | sed -e 's/ /\\\\ /g'` ${TCL_LIB_FLAG}" + TCL_LIB_SPEC="-L${libdir} ${TCL_LIB_FLAG}" fi VERSION='${VERSION}' eval "CFG_TCL_SHARED_LIB_SUFFIX=${TCL_SHARED_LIB_SUFFIX}" eval "CFG_TCL_UNSHARED_LIB_SUFFIX=${TCL_UNSHARED_LIB_SUFFIX}" -eval "CFG_TCL_EXPORT_FILE_SUFFIX=${TCL_EXPORT_FILE_SUFFIX}" VERSION=${TCL_VERSION} #-------------------------------------------------------------------- @@ -1407,83 +877,119 @@ VERSION=${TCL_VERSION} # another for platform-independent scripts. #-------------------------------------------------------------------- -if test "$prefix" != "$exec_prefix"; then - TCL_PACKAGE_PATH="${exec_prefix}/lib ${prefix}/lib" +if test "$FRAMEWORK_BUILD" = "1" ; then + test -z "$TCL_PACKAGE_PATH" && \ + TCL_PACKAGE_PATH="~/Library/Tcl /Library/Tcl /System/Library/Tcl ~/Library/Frameworks /Library/Frameworks /System/Library/Frameworks" + test -z "$TCL_MODULE_PATH" && \ + TCL_MODULE_PATH="~/Library/Tcl /Library/Tcl /System/Library/Tcl" +elif test "$prefix/lib" != "$libdir"; then + TCL_PACKAGE_PATH="${libdir} ${prefix}/lib ${TCL_PACKAGE_PATH}" else - TCL_PACKAGE_PATH="${prefix}/lib" + TCL_PACKAGE_PATH="${prefix}/lib ${TCL_PACKAGE_PATH}" fi #-------------------------------------------------------------------- # The statements below define various symbols relating to Tcl # stub support. #-------------------------------------------------------------------- -# Replace ${VERSION} with contents of ${TCL_VERSION} -eval "STUB_LIB_FILE=libtclstub${TCL_UNSHARED_LIB_SUFFIX}" -# Replace DBGX with TCL_DBGX -eval "STUB_LIB_FILE=\"${STUB_LIB_FILE}\"" -MAKE_STUB_LIB="ar cr \${STUB_LIB_FILE} \${STUB_LIB_OBJS}" - -TCL_STUB_LIB_FILE=${STUB_LIB_FILE} +# Replace ${VERSION} with contents of ${TCL_VERSION} +# double-eval to account for TCL_TRIM_DOTS. +# +eval "TCL_STUB_LIB_FILE=libtclstub${TCL_UNSHARED_LIB_SUFFIX}" +eval "TCL_STUB_LIB_FILE=\"${TCL_STUB_LIB_FILE}\"" +eval "TCL_STUB_LIB_DIR=${libdir}" if test "${TCL_LIB_VERSIONS_OK}" = "ok"; then - TCL_STUB_LIB_FLAG="-ltclstub${TCL_VERSION}\${TCL_DBGX}" + TCL_STUB_LIB_FLAG="-ltclstub${TCL_VERSION}" else - TCL_STUB_LIB_FLAG="-ltclstub`echo ${TCL_VERSION} | tr -d .`\${TCL_DBGX}" + TCL_STUB_LIB_FLAG="-ltclstub`echo ${TCL_VERSION} | tr -d .`" fi -TCL_BUILD_STUB_LIB_SPEC="-L`pwd` ${TCL_STUB_LIB_FLAG}" -TCL_STUB_LIB_SPEC="-L${exec_prefix}/lib ${TCL_STUB_LIB_FLAG}" +TCL_BUILD_STUB_LIB_SPEC="-L`pwd | sed -e 's/ /\\\\ /g'` ${TCL_STUB_LIB_FLAG}" +TCL_STUB_LIB_SPEC="-L${TCL_STUB_LIB_DIR} ${TCL_STUB_LIB_FLAG}" TCL_BUILD_STUB_LIB_PATH="`pwd`/${TCL_STUB_LIB_FILE}" -TCL_STUB_LIB_PATH="${exec_prefix}/lib/${TCL_STUB_LIB_FILE}" +TCL_STUB_LIB_PATH="${TCL_STUB_LIB_DIR}/${TCL_STUB_LIB_FILE}" + +# Install time header dir can be set via --includedir +eval "TCL_INCLUDE_SPEC=\"-I${includedir}\"" + +#------------------------------------------------------------------------ +# tclConfig.sh refers to this by a different name +#------------------------------------------------------------------------ + +TCL_SHARED_BUILD=${SHARED_BUILD} -AC_SUBST(STUB_LIB_FILE) +AC_SUBST(TCL_VERSION) +AC_SUBST(TCL_MAJOR_VERSION) +AC_SUBST(TCL_MINOR_VERSION) +AC_SUBST(TCL_PATCH_LEVEL) +AC_SUBST(TCL_YEAR) +AC_SUBST(PKG_CFG_ARGS) +AC_SUBST(TCL_LIB_FILE) +AC_SUBST(TCL_LIB_FLAG) +AC_SUBST(TCL_LIB_SPEC) AC_SUBST(TCL_STUB_LIB_FILE) AC_SUBST(TCL_STUB_LIB_FLAG) -AC_SUBST(TCL_BUILD_STUB_LIB_SPEC) AC_SUBST(TCL_STUB_LIB_SPEC) -AC_SUBST(TCL_BUILD_STUB_LIB_PATH) AC_SUBST(TCL_STUB_LIB_PATH) -AC_SUBST(MAKE_STUB_LIB) +AC_SUBST(TCL_INCLUDE_SPEC) +AC_SUBST(TCL_BUILD_STUB_LIB_SPEC) +AC_SUBST(TCL_BUILD_STUB_LIB_PATH) -AC_SUBST(BUILD_DLTEST) -AC_SUBST(CFLAGS) -AC_SUBST(CFLAGS_DEBUG) -AC_SUBST(CFLAGS_OPTIMIZE) -AC_SUBST(CFLAGS_WARNING) +AC_SUBST(TCL_SRC_DIR) AC_SUBST(CFG_TCL_SHARED_LIB_SUFFIX) AC_SUBST(CFG_TCL_UNSHARED_LIB_SUFFIX) -AC_SUBST(CFG_TCL_EXPORT_FILE_SUFFIX) -AC_SUBST(TCL_DBGX) -AC_SUBST(DL_LIBS) -AC_SUBST(DL_OBJS) -AC_SUBST(EXTRA_CFLAGS) -AC_SUBST(LD_FLAGS) -AC_SUBST(MAKE_LIB) -AC_SUBST(MATH_LIBS) -AC_SUBST(SHLIB_CFLAGS) -AC_SUBST(SHLIB_LD) -AC_SUBST(SHLIB_LD_LIBS) -AC_SUBST(SHLIB_SUFFIX) + +AC_SUBST(TCL_SHARED_BUILD) +AC_SUBST(LD_LIBRARY_PATH_VAR) + AC_SUBST(TCL_BUILD_LIB_SPEC) -AC_SUBST(TCL_LD_SEARCH_FLAGS) -AC_SUBST(TCL_LIB_FILE) -AC_SUBST(TCL_LIB_FLAG) -AC_SUBST(TCL_NEEDS_EXP_FILE) -AC_SUBST(TCL_BUILD_EXP_FILE) -AC_SUBST(TCL_EXP_FILE) -AC_SUBST(TCL_LIB_SPEC) + AC_SUBST(TCL_LIB_VERSIONS_OK) -AC_SUBST(TCL_MAJOR_VERSION) -AC_SUBST(TCL_MINOR_VERSION) -AC_SUBST(TCL_PACKAGE_PATH) -AC_SUBST(TCL_PATCH_LEVEL) AC_SUBST(TCL_SHARED_LIB_SUFFIX) -AC_SUBST(TCL_SHARED_BUILD) -AC_SUBST(TCL_SHLIB_CFLAGS) -AC_SUBST(TCL_SRC_DIR) AC_SUBST(TCL_UNSHARED_LIB_SUFFIX) -AC_SUBST(TCL_VERSION) -AC_OUTPUT(Makefile tclConfig.sh) +AC_SUBST(TCL_HAS_LONGLONG) + +AC_SUBST(INSTALL_TZDATA) + +AC_SUBST(DTRACE_SRC) +AC_SUBST(DTRACE_HDR) +AC_SUBST(DTRACE_OBJ) +AC_SUBST(MAKEFILE_SHELL) + +AC_SUBST(BUILD_DLTEST) +AC_SUBST(TCL_PACKAGE_PATH) +AC_SUBST(TCL_MODULE_PATH) + +AC_SUBST(TCL_LIBRARY) +AC_SUBST(PRIVATE_INCLUDE_DIR) +AC_SUBST(HTML_DIR) +AC_SUBST(PACKAGE_DIR) + +AC_SUBST(EXTRA_CC_SWITCHES) +AC_SUBST(EXTRA_APP_CC_SWITCHES) +AC_SUBST(EXTRA_INSTALL) +AC_SUBST(EXTRA_INSTALL_BINARIES) +AC_SUBST(EXTRA_BUILD_HTML) +AC_SUBST(EXTRA_TCLSH_LIBS) + +AC_SUBST(DLTEST_LD) +AC_SUBST(DLTEST_SUFFIX) + +dnl Disable the automake-friendly normalization of LIBOBJS +dnl performed by autoconf 2.53 and later. It's not correct for us. +define([_AC_LIBOBJS_NORMALIZE],[]) +AC_CONFIG_FILES([ + Makefile:../unix/Makefile.in + dltest/Makefile:../unix/dltest/Makefile.in + tclConfig.sh:../unix/tclConfig.sh.in + tcl.pc:../unix/tcl.pc.in +]) +AC_OUTPUT + +dnl Local Variables: +dnl mode: autoconf +dnl End: |