summaryrefslogtreecommitdiffstats
path: root/unix/configure.ac
diff options
context:
space:
mode:
Diffstat (limited to 'unix/configure.ac')
-rw-r--r--unix/configure.ac998
1 files changed, 998 insertions, 0 deletions
diff --git a/unix/configure.ac b/unix/configure.ac
new file mode 100644
index 0000000..41a1f62
--- /dev/null
+++ b/unix/configure.ac
@@ -0,0 +1,998 @@
+#! /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(TCL_TOMMATH, 1, [Build libtommath?])
+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 $tcl_ok = no; then
+ AC_DEFINE(NO_FD_SET, 1, [Do we have fd_set?])
+fi
+
+#------------------------------------------------------------------------------
+# Find out all about time handling differences.
+#------------------------------------------------------------------------------
+
+SC_TIME_HANDLER
+
+#--------------------------------------------------------------------
+# Some systems (e.g., IRIX 4.0.5) lack some fields in struct stat. But
+# we might be able to use fstatfs instead. Some systems (OpenBSD?) also
+# lack blkcnt_t.
+#--------------------------------------------------------------------
+
+if test "$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: