diff options
Diffstat (limited to 'unix/configure.ac')
| -rw-r--r-- | unix/configure.ac | 1028 |
1 files changed, 1028 insertions, 0 deletions
diff --git a/unix/configure.ac b/unix/configure.ac new file mode 100644 index 0000000..b43da6d --- /dev/null +++ b/unix/configure.ac @@ -0,0 +1,1028 @@ +#! /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([tcl],[8.7]) +AC_PREREQ(2.69) + +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=8.7 +TCL_MAJOR_VERSION=8 +TCL_MINOR_VERSION=7 +TCL_PATCH_LEVEL="a0" +VERSION=${TCL_VERSION} + +EXTRA_INSTALL_BINARIES=${EXTRA_INSTALL_BINARIES:-"@:"} +EXTRA_BUILD_HTML=${EXTRA_BUILD_HTML:-"@:"} + +#------------------------------------------------------------------------ +# Setup configure arguments for bundled packages +#------------------------------------------------------------------------ + +PKG_CFG_ARGS="$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 +# Make sure srcdir is fully qualified! +srcdir="`cd "$srcdir" ; pwd`" +TCL_SRC_DIR="`cd "$srcdir"/..; pwd`" + +#------------------------------------------------------------------------ +# Compress and/or soft link the manpages? +#------------------------------------------------------------------------ + +SC_CONFIG_MANPAGES + +#------------------------------------------------------------------------ +# 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 "${CFLAGS+set}" != "set" ; then + CFLAGS="" +fi + +AC_PROG_CC +AC_C_INLINE + +#-------------------------------------------------------------------- +# Supply substitutes for missing POSIX header files. Special notes: +# - stdlib.h doesn't define strtol, strtoul, or +# strtod insome versions of SunOS +# - some versions of string.h don't declare procedures such +# as strstr +# Do this early, otherwise an autoconf bug throws errors on configure +#-------------------------------------------------------------------- + +SC_MISSING_POSIX_HEADERS + +#-------------------------------------------------------------------- +# Determines the correct executable file extension (.exe) +#-------------------------------------------------------------------- + +AC_EXEEXT + +#------------------------------------------------------------------------ +# If we're using GCC, see if the compiler understands -pipe. If so, use it. +# It makes compiling go faster. (This is only a performance feature.) +#------------------------------------------------------------------------ + +if test -z "$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 + +#-------------------------------------------------------------------- +# 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?]) + +#-------------------------------------------------------------------- +# 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. +#-------------------------------------------------------------------- + +SC_CONFIG_CFLAGS + +SC_ENABLE_SYMBOLS(bccdebug) + +AC_DEFINE(MP_PREC, 4, [Default libtommath precision.]) + +#-------------------------------------------------------------------- +# Detect what compiler flags to set for 64-bit support. +#-------------------------------------------------------------------- + +SC_TCL_EARLY_FLAGS + +SC_TCL_64BIT_FLAGS + +#-------------------------------------------------------------------- +# Check endianness because we can optimize comparisons of +# Tcl_UniChar strings to memcmp on big-endian systems. +#-------------------------------------------------------------------- + +AC_C_BIGENDIAN + +#-------------------------------------------------------------------- +# 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 ? + +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 + +#--------------------------------------------------------------------------- +# 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_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 +# that appear to be useful and aren't already in sys/types.h. +# This appears to be true only on the RS/6000 under AIX. Some +# systems like OSF/1 have a sys/select.h that's of no use, and +# other systems like SCO UNIX have a sys/select.h that's +# pernicious. If "fd_set" isn't defined anywhere then set a +# special flag. +#-------------------------------------------------------------------- + +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 +if test $tcl_ok = no; then + AC_DEFINE(NO_FD_SET, 1, [Do we have fd_set?]) +fi + +#------------------------------------------------------------------------ +# Options for the notifier. Checks for epoll(7) on Linux, and +# kqueue(2) on {DragonFly,Free,Net,Open}BSD +#------------------------------------------------------------------------ + +AC_MSG_CHECKING([for advanced notifier support]) +case x`uname -s` in + xLinux) + AC_MSG_RESULT([epoll(7)]) + AC_CHECK_HEADERS([sys/epoll.h], + [AC_DEFINE(NOTIFIER_EPOLL, [1], [Is epoll(7) supported?])]) + AC_CHECK_HEADERS([sys/eventfd.h], + [AC_DEFINE(HAVE_EVENTFD, [1], [Is eventfd(2) supported?])]);; + xDragonFlyBSD|xFreeBSD|xNetBSD|xOpenBSD) + AC_MSG_RESULT([kqueue(2)]) + # Messy because we want to check if *all* the headers are present, and not + # just *any* + tcl_kqueue_headers=x + AC_CHECK_HEADERS([sys/types.h sys/event.h sys/time.h], + [tcl_kqueue_headers=${tcl_kqueue_headers}y]) + AS_IF([test $tcl_kqueue_headers = xyyy], [ + AC_DEFINE(NOTIFIER_KQUEUE, [1], [Is kqueue(2) supported?])]);; + xDarwin) + # Assume that we've got CoreFoundation present (checked elsewhere because + # of wider impact). + AC_MSG_RESULT([OSX]);; + *) + AC_DEFINE_UNQUOTED(NOTIFIER_SELECT) + AC_MSG_RESULT([none]);; +esac + +#------------------------------------------------------------------------------ +# Find out all about time handling differences. +#------------------------------------------------------------------------------ + +SC_TIME_HANDLER + +#-------------------------------------------------------------------- +# Some systems (e.g., IRIX 4.0.5) lack some fields in struct stat. But +# we might be able to use fstatfs instead. Some systems (OpenBSD?) also +# lack blkcnt_t. +#-------------------------------------------------------------------- + +if test "$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 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} +#-------------------------------------------------------------------- + +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. +#-------------------------------------------------------------------- + +SC_TCL_CHECK_BROKEN_FUNC(strstr, [ + extern int strstr(); + exit(strstr("\0test", "test") ? 1 : 0); +]) + +#-------------------------------------------------------------------- +# Check for strtoul function. This is tricky because under some +# versions of AIX strtoul returns an incorrect terminator +# pointer for the string "0". +#-------------------------------------------------------------------- + +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 "+". +#-------------------------------------------------------------------- + +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 +# terminating character under some conditions. Check for this +# and if the problem exists use a substitute procedure +# "fixstrtod" that corrects the error. +#-------------------------------------------------------------------- + +SC_BUGGY_STRTOD + +#-------------------------------------------------------------------- +# Check for various typedefs and provide substitutes if +# they don't exist. +#-------------------------------------------------------------------- + +AC_TYPE_MODE_T +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 +# is compatible with the substitute version of opendir that's +# provided. This version only works with V7-style directories. +#-------------------------------------------------------------------- + +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 +# "union wait" correctly. It's needed because of weirdness in +# HP-UX where "union wait" is defined in both the BSD and SYS-V +# environments. Checking the usability of WIFEXITED seems to do +# the trick. +#-------------------------------------------------------------------- + +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_cv_union_wait=yes, tcl_cv_union_wait=no)]) +if test $tcl_cv_union_wait = no; then + AC_DEFINE(NO_UNION_WAIT, 1, [Do we have a usable 'union wait'?]) +fi + +#-------------------------------------------------------------------- +# Check whether there is an strncasecmp function on this system. +# This is a bit tricky because under SCO it's in -lsocket and +# under Sequent Dynix it's in -linet. +#-------------------------------------------------------------------- + +AC_CHECK_FUNC(strncasecmp, tcl_ok=1, tcl_ok=0) +if test "$tcl_ok" = 0; then + AC_CHECK_LIB(socket, strncasecmp, tcl_ok=1, tcl_ok=0) +fi +if test "$tcl_ok" = 0; then + AC_CHECK_LIB(inet, strncasecmp, tcl_ok=1, tcl_ok=0) +fi +if test "$tcl_ok" = 0; then + 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. 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(gettimeofday,[],[ + AC_DEFINE(NO_GETTOD, 1, [Do we have gettimeofday()?]) +]) +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 +# signed chars on this platform. This is needed in order to +# properly generate sign-extended ints from character values. +#-------------------------------------------------------------------- + +AC_C_CHAR_UNSIGNED +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 + +#-------------------------------------------------------------------- +# 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 + +#-------------------------------------------------------------------- +# Check for support of nl_langinfo function +#-------------------------------------------------------------------- + +SC_ENABLE_LANGINFO + +#-------------------------------------------------------------------- +# Check for support of chflags and mkstemps functions +#-------------------------------------------------------------------- + +AC_CHECK_FUNCS(chflags mkstemps) + +#-------------------------------------------------------------------- +# Check for support of isnan() function or macro +#-------------------------------------------------------------------- + +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 + +#-------------------------------------------------------------------- +# 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 + +#-------------------------------------------------------------------- +# Check for support of fts functions (readdir replacement) +#-------------------------------------------------------------------- + +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 $tcl_cv_api_fts = yes; then + AC_DEFINE(HAVE_FTS, 1, [Do we have fts functions?]) +fi + +#-------------------------------------------------------------------- +# The statements below check for systems where POSIX-style non-blocking +# I/O (O_NONBLOCK) doesn't work or is unimplemented. On these systems +# (mostly older ones), use the old BSD-style FIONBIO approach instead. +#-------------------------------------------------------------------- + +SC_BLOCKING_STYLE + +#------------------------------------------------------------------------ + +AC_MSG_CHECKING([whether to use dll unloading]) +AC_ARG_ENABLE(dll-unloading, + AC_HELP_STRING([--enable-dll-unloading], + [enable the 'unload' command (default: on)]), + [tcl_ok=$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]) + +#------------------------------------------------------------------------ +# 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_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 + ;; + *) + AC_MSG_ERROR([invalid argument: $tcl_ok]) + ;; +esac +if test $tcl_ok = yes +then + AC_MSG_RESULT([supplied by Tcl]) + INSTALL_TZDATA=install-tzdata +fi + +#-------------------------------------------------------------------- +# DTrace support +#-------------------------------------------------------------------- + +AC_ARG_ENABLE(dtrace, + AC_HELP_STRING([--enable-dtrace], + [build with DTrace support (default: off)]), + [tcl_ok=$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 $tcl_ok = yes; then + AC_PATH_PROG(DTRACE, dtrace,, [$PATH:/usr/sbin]) + test -z "$ac_cv_path_DTRACE" && tcl_ok=no +fi +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 +fi +AC_MSG_RESULT([$tcl_ok]) + +#-------------------------------------------------------------------- +# The check below checks whether the cpuid instruction is usable. +#-------------------------------------------------------------------- + +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 +# since on some platforms TCL_LIB_FILE contains shell escapes. +# (See also: TCL_TRIM_DOTS). + +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 "`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 ${libdir}`" = 'Frameworks'; then + PACKAGE_DIR="/Library/Tcl" + else + PACKAGE_DIR="$libdir" + fi + if test "${libdir}" = '${exec_prefix}/lib'; then + # override libdir default + libdir="/Library/Frameworks" + fi + 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 + # 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}" +VERSION=${TCL_VERSION} + +#-------------------------------------------------------------------- +# The statements below define the symbol TCL_PACKAGE_PATH, which +# gives a list of directories that may contain packages. The list +# consists of one directory for machine-dependent binaries and +# another for platform-independent scripts. +#-------------------------------------------------------------------- + +if test "$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}" +fi + +#-------------------------------------------------------------------- +# The statements below define various symbols relating to Tcl +# stub support. +#-------------------------------------------------------------------- + +# 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}" +else + TCL_STUB_LIB_FLAG="-ltclstub`echo ${TCL_VERSION} | tr -d .`" +fi + +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="${TCL_STUB_LIB_DIR}/${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(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_STUB_LIB_SPEC) +AC_SUBST(TCL_STUB_LIB_PATH) +AC_SUBST(TCL_INCLUDE_SPEC) +AC_SUBST(TCL_BUILD_STUB_LIB_SPEC) +AC_SUBST(TCL_BUILD_STUB_LIB_PATH) + +AC_SUBST(TCL_SRC_DIR) +AC_SUBST(CFG_TCL_SHARED_LIB_SUFFIX) +AC_SUBST(CFG_TCL_UNSHARED_LIB_SUFFIX) + +AC_SUBST(TCL_SHARED_BUILD) +AC_SUBST(LD_LIBRARY_PATH_VAR) + +AC_SUBST(TCL_BUILD_LIB_SPEC) + +AC_SUBST(TCL_LIB_VERSIONS_OK) +AC_SUBST(TCL_SHARED_LIB_SUFFIX) +AC_SUBST(TCL_UNSHARED_LIB_SUFFIX) + +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: |