diff options
Diffstat (limited to 'unix/aclocal.m4')
| -rw-r--r-- | unix/aclocal.m4 | 1766 |
1 files changed, 1 insertions, 1765 deletions
diff --git a/unix/aclocal.m4 b/unix/aclocal.m4 index afb6fb8..bc7540d 100644 --- a/unix/aclocal.m4 +++ b/unix/aclocal.m4 @@ -1,1765 +1 @@ -#------------------------------------------------------------------------ -# SC_PATH_TCLCONFIG -- -# -# Locate the tclConfig.sh file and perform a sanity check on -# the Tcl compile flags -# -# Arguments: -# none -# -# Results: -# -# Adds the following arguments to configure: -# --with-tcl=... -# -# Defines the following vars: -# TCL_BIN_DIR Full path to the directory containing -# the tclConfig.sh file -#------------------------------------------------------------------------ - -AC_DEFUN(SC_PATH_TCLCONFIG, [ - # - # Ok, lets find the tcl configuration - # First, look for one uninstalled. - # the alternative search directory is invoked by --with-tcl - # - - if test x"${no_tcl}" = x ; then - # we reset no_tcl in case something fails here - no_tcl=true - AC_ARG_WITH(tcl, [ --with-tcl directory containing tcl configuration (tclConfig.sh)], with_tclconfig=${withval}) - AC_MSG_CHECKING([for Tcl configuration]) - AC_CACHE_VAL(ac_cv_c_tclconfig,[ - - # First check to see if --with-tclconfig was specified. - if test x"${with_tclconfig}" != x ; then - if test -f "${with_tclconfig}/tclConfig.sh" ; then - ac_cv_c_tclconfig=`(cd ${with_tclconfig}; pwd)` - else - AC_MSG_ERROR([${with_tclconfig} directory doesn't contain tclConfig.sh]) - fi - fi - - # then check for a private Tcl installation - if test x"${ac_cv_c_tclconfig}" = x ; then - for i in \ - ../tcl \ - `ls -dr ../tcl[[8-9]].[[0-9]]* 2>/dev/null` \ - ../../tcl \ - `ls -dr ../../tcl[[8-9]].[[0-9]]* 2>/dev/null` \ - ../../../tcl \ - `ls -dr ../../../tcl[[8-9]].[[0-9]]* 2>/dev/null` ; do - if test -f "$i/unix/tclConfig.sh" ; then - ac_cv_c_tclconfig=`(cd $i/unix; pwd)` - break - fi - done - fi - - # check in a few common install locations - if test x"${ac_cv_c_tclconfig}" = x ; then - for i in `ls -d ${prefix}/lib 2>/dev/null` \ - `ls -d /usr/local/lib 2>/dev/null` ; do - if test -f "$i/tclConfig.sh" ; then - ac_cv_c_tclconfig=`(cd $i; pwd)` - break - fi - done - fi - - # check in a few other private locations - if test x"${ac_cv_c_tcliconfig}" = x ; then - for i in \ - ${srcdir}/../tcl \ - `ls -dr ${srcdir}/../tcl[[8-9]].[[0-9]]* 2>/dev/null` ; do - if test -f "$i/unix/tclConfig.sh" ; then - ac_cv_c_tclconfig=`(cd $i/unix; pwd)` - break - fi - done - fi - ]) - - if test x"${ac_cv_c_tclconfig}" = x ; then - TCL_BIN_DIR="# no Tcl configs found" - AC_MSG_WARN(Can't find Tcl configuration definitions) - exit 0 - else - no_tcl= - TCL_BIN_DIR=${ac_cv_c_tclconfig} - AC_MSG_RESULT(found $TCL_BIN_DIR/tclConfig.sh) - fi - fi -]) - -#------------------------------------------------------------------------ -# SC_PATH_TKCONFIG -- -# -# Locate the tkConfig.sh file -# -# Arguments: -# none -# -# Results: -# -# Adds the following arguments to configure: -# --with-tk=... -# -# Defines the following vars: -# TK_BIN_DIR Full path to the directory containing -# the tkConfig.sh file -#------------------------------------------------------------------------ - -AC_DEFUN(SC_PATH_TKCONFIG, [ - # - # Ok, lets find the tk configuration - # First, look for one uninstalled. - # the alternative search directory is invoked by --with-tk - # - - if test x"${no_tk}" = x ; then - # we reset no_tk in case something fails here - no_tk=true - AC_ARG_WITH(tk, [ --with-tk directory containing tk configuration (tkConfig.sh)], with_tkconfig=${withval}) - AC_MSG_CHECKING([for Tk configuration]) - AC_CACHE_VAL(ac_cv_c_tkconfig,[ - - # First check to see if --with-tkconfig was specified. - if test x"${with_tkconfig}" != x ; then - if test -f "${with_tkconfig}/tkConfig.sh" ; then - ac_cv_c_tkconfig=`(cd ${with_tkconfig}; pwd)` - else - AC_MSG_ERROR([${with_tkconfig} directory doesn't contain tkConfig.sh]) - fi - fi - - # then check for a private Tk library - if test x"${ac_cv_c_tkconfig}" = x ; then - for i in \ - ../tk \ - `ls -dr ../tk[[8-9]].[[0-9]]* 2>/dev/null` \ - ../../tk \ - `ls -dr ../../tk[[8-9]].[[0-9]]* 2>/dev/null` \ - ../../../tk \ - `ls -dr ../../../tk[[8-9]].[[0-9]]* 2>/dev/null` ; do - if test -f "$i/unix/tkConfig.sh" ; then - ac_cv_c_tkconfig=`(cd $i/unix; pwd)` - break - fi - done - fi - # check in a few common install locations - if test x"${ac_cv_c_tkconfig}" = x ; then - for i in `ls -d ${prefix}/lib 2>/dev/null` \ - `ls -d /usr/local/lib 2>/dev/null` ; do - if test -f "$i/tkConfig.sh" ; then - ac_cv_c_tkconfig=`(cd $i; pwd)` - break - fi - done - fi - # check in a few other private locations - if test x"${ac_cv_c_tkconfig}" = x ; then - for i in \ - ${srcdir}/../tk \ - `ls -dr ${srcdir}/../tk[[8-9]].[[0-9]]* 2>/dev/null` ; do - if test -f "$i/unix/tkConfig.sh" ; then - ac_cv_c_tkconfig=`(cd $i/unix; pwd)` - break - fi - done - fi - ]) - if test x"${ac_cv_c_tkconfig}" = x ; then - TK_BIN_DIR="# no Tk configs found" - AC_MSG_WARN(Can't find Tk configuration definitions) - exit 0 - else - no_tk= - TK_BIN_DIR=${ac_cv_c_tkconfig} - AC_MSG_RESULT(found $TK_BIN_DIR/tkConfig.sh) - fi - fi - -]) - -#------------------------------------------------------------------------ -# SC_LOAD_TCLCONFIG -- -# -# Load the tclConfig.sh file -# -# Arguments: -# -# Requires the following vars to be set: -# TCL_BIN_DIR -# -# Results: -# -# Subst the following vars: -# TCL_BIN_DIR -# TCL_SRC_DIR -# TCL_LIB_FILE -# -#------------------------------------------------------------------------ - -AC_DEFUN(SC_LOAD_TCLCONFIG, [ - AC_MSG_CHECKING([for existence of $TCL_BIN_DIR/tclConfig.sh]) - - if test -f "$TCL_BIN_DIR/tclConfig.sh" ; then - AC_MSG_RESULT([loading]) - . $TCL_BIN_DIR/tclConfig.sh - else - AC_MSG_RESULT([file not found]) - fi - - # - # The eval is required to do the TCL_DBGX substitution in the - # TCL_LIB_FILE variable - # - - eval TCL_LIB_FILE=${TCL_LIB_FILE} - eval TCL_LIB_FLAG=${TCL_LIB_FLAG} - - AC_SUBST(TCL_BIN_DIR) - AC_SUBST(TCL_SRC_DIR) - AC_SUBST(TCL_LIB_FILE) -]) - -#------------------------------------------------------------------------ -# SC_LOAD_TKCONFIG -- -# -# Load the tkConfig.sh file -# -# Arguments: -# -# Requires the following vars to be set: -# TK_BIN_DIR -# -# Results: -# -# Sets the following vars that should be in tkConfig.sh: -# TK_BIN_DIR -#------------------------------------------------------------------------ - -AC_DEFUN(SC_LOAD_TKCONFIG, [ - AC_MSG_CHECKING([for existence of $TCLCONFIG]) - - if test -f "$TK_BIN_DIR/tkConfig.sh" ; then - AC_MSG_CHECKING([loading $TK_BIN_DIR/tkConfig.sh]) - . $TK_BIN_DIR/tkConfig.sh - else - AC_MSG_RESULT([could not find $TK_BIN_DIR/tkConfig.sh]) - fi - - AC_SUBST(TK_BIN_DIR) - AC_SUBST(TK_SRC_DIR) - AC_SUBST(TK_LIB_FILE) -]) - -#------------------------------------------------------------------------ -# SC_ENABLE_GCC -- -# -# Allows the use of GCC if available -# -# Arguments: -# none -# -# Results: -# -# Adds the following arguments to configure: -# --enable-gcc -# -# Sets the following vars: -# CC Command to use for the compiler -#------------------------------------------------------------------------ - -AC_DEFUN(SC_ENABLE_GCC, [ - AC_ARG_ENABLE(gcc, [ --enable-gcc allow use of gcc if available [--disable-gcc]], - [ok=$enableval], [ok=no]) - if test "$ok" = "yes"; then - CC=gcc - AC_PROG_CC - else - CC=${CC-cc} - fi -]) - -#------------------------------------------------------------------------ -# SC_ENABLE_SHARED -- -# -# Allows the building of shared libraries -# -# Arguments: -# none -# -# Results: -# -# Adds the following arguments to configure: -# --enable-shared=yes|no -# -# Defines the following vars: -# STATIC_BUILD Used for building import/export libraries -# on Windows. -# -# Sets the following vars: -# SHARED_BUILD Value of 1 or 0 -#------------------------------------------------------------------------ - -AC_DEFUN(SC_ENABLE_SHARED, [ - AC_MSG_CHECKING([how to build libraries]) - AC_ARG_ENABLE(shared, - [ --enable-shared build and link with shared libraries [--enable-shared]], - [tcl_ok=$enableval], [tcl_ok=yes]) - - if test "${enable_shared+set}" = set; then - enableval="$enable_shared" - tcl_ok=$enableval - else - tcl_ok=yes - fi - - if test "$tcl_ok" = "yes" ; then - AC_MSG_RESULT([shared]) - SHARED_BUILD=1 - else - AC_MSG_RESULT([static]) - SHARED_BUILD=0 - AC_DEFINE(STATIC_BUILD) - fi -]) - -#------------------------------------------------------------------------ -# SC_ENABLE_THREADS -- -# -# Specify if thread support should be enabled -# -# Arguments: -# none -# -# Results: -# -# Adds the following arguments to configure: -# --enable-threads -# -# Sets the following vars: -# THREADS_LIBS Thread library(s) -# -# Defines the following vars: -# TCL_THREADS -# _REENTRANT -# -#------------------------------------------------------------------------ - -AC_DEFUN(SC_ENABLE_THREADS, [ - AC_MSG_CHECKING(for building with threads) - AC_ARG_ENABLE(threads, [ --enable-threads build with threads], - [tcl_ok=$enableval], [tcl_ok=no]) - - if test "$tcl_ok" = "yes"; then - AC_MSG_RESULT(yes) - TCL_THREADS=1 - AC_DEFINE(TCL_THREADS) - AC_DEFINE(_REENTRANT) - AC_MSG_WARN("Tk on Unix is known to have problems with thread support. It is recommended that Tk be used with a non-thread enabled Tcl.") - - AC_CHECK_LIB(pthread,pthread_mutex_init,tcl_ok=yes,tcl_ok=no) - if test "$tcl_ok" = "no"; then - # Check a little harder for __pthread_mutex_init in the same - # library, as some systems hide it there until pthread.h is - # defined. We could alternatively do an AC_TRY_COMPILE with - # pthread.h, but that will work with libpthread really doesn't - # exist, like AIX 4.2. [Bug: 4359] - AC_CHECK_LIB(pthread,__pthread_mutex_init,tcl_ok=yes,tcl_ok=no) - fi - - if test "$tcl_ok" = "yes"; then - # The space is needed - THREADS_LIBS=" -lpthread" - else - TCL_THREADS=0 - AC_MSG_WARN("Don t know how to find pthread lib on your system - you must disable thread support or edit the LIBS in the Makefile...") - fi - else - TCL_THREADS=0 - AC_MSG_RESULT(no (default)) - fi - -]) - -#------------------------------------------------------------------------ -# SC_ENABLE_SYMBOLS -- -# -# Specify if debugging symbols should be used -# -# Arguments: -# none -# -# Requires the following vars to be set: -# CFLAGS_DEBUG -# CFLAGS_OPTIMIZE -# LDFLAGS_DEBUG -# LDFLAGS_OPTIMIZE -# -# Results: -# -# Adds the following arguments to configure: -# --enable-symbols -# -# Defines the following vars: -# CFLAGS_DEFAULT Sets to CFLAGS_DEBUG if true -# Sets to CFLAGS_OPTIMIZE if false -# LDFLAGS_DEFAULT Sets to LDFLAGS_DEBUG if true -# Sets to LDFLAGS_OPTIMIZE if false -# DBGX Debug library extension -# -#------------------------------------------------------------------------ - -AC_DEFUN(SC_ENABLE_SYMBOLS, [ - AC_MSG_CHECKING([for build with symbols]) - AC_ARG_ENABLE(symbols, [ --enable-symbols build with debugging symbols [--disable-symbols]], [tcl_ok=$enableval], [tcl_ok=no]) - if test "$tcl_ok" = "yes"; then - CFLAGS_DEFAULT="${CFLAGS_DEBUG}" - LDFLAGS_DEFAULT="${LDFLAGS_DEBUG}" - DBGX=g - AC_MSG_RESULT([yes]) - else - CFLAGS_DEFAULT="${CFLAGS_OPTIMIZE}" - LDFLAGS_DEFAULT="${LDFLAGS_OPTIMIZE}" - DBGX="" - AC_MSG_RESULT([no]) - fi -]) - -#-------------------------------------------------------------------- -# SC_CONFIG_CFLAGS -# -# Try to determine the proper flags to pass to the compiler -# for building shared libraries and other such nonsense. -# -# Arguments: -# none -# -# Results: -# -# Defines the following vars: -# -# DL_OBJS - Name of the object file that implements dynamic -# loading for Tcl on this system. -# DL_LIBS - Library file(s) to include in tclsh and other base -# applications in order for the "load" command to work. -# LDFLAGS - Flags to pass to the compiler when linking object -# files into an executable application binary such -# as tclsh. -# LD_SEARCH_FLAGS-Flags to pass to ld, such as "-R /usr/local/tcl/lib", -# that tell the run-time dynamic linker where to look -# for shared libraries such as libtcl.so. Depends on -# the variable LIB_RUNTIME_DIR in the Makefile. -# MAKE_LIB - Command to execute to build the Tcl library; -# differs depending on whether or not Tcl is being -# compiled as a shared library. -# SHLIB_CFLAGS - Flags to pass to cc when compiling the components -# of a shared library (may request position-independent -# code, among other things). -# SHLIB_LD - Base command to use for combining object files -# into a shared library. -# SHLIB_LD_LIBS - Dependent libraries for the linker to scan when -# creating shared libraries. This symbol typically -# goes at the end of the "ld" commands that build -# shared libraries. The value of the symbol is -# "${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. -# CFLAGS_DEBUG - -# Flags used when running the compiler in debug mode -# CFLAGS_OPTIMIZE - -# Flags used when running the compiler in optimize mode -# -# EXTRA_CFLAGS -# -# Subst's the following vars: -# DL_LIBS -# CFLAGS_DEBUG -# CFLAGS_OPTIMIZE -#-------------------------------------------------------------------- - -AC_DEFUN(SC_CONFIG_CFLAGS, [ - - # Step 0.a: Enable 64 bit support? - - AC_MSG_CHECKING([if 64bit support is requested]) - AC_ARG_ENABLE(64bit,[ --enable-64bit enable 64bit support (where applicable)],,enableval="no") - - if test "$enableval" = "yes"; then - do64bit=yes - else - do64bit=no - fi - AC_MSG_RESULT($do64bit) - - # Step 0.b: Enable Solaris 64 bit VIS support? - - AC_MSG_CHECKING([if 64bit Sparc VIS support is requested]) - AC_ARG_ENABLE(64bit-vis,[ --enable-64bit-vis enable 64bit Sparc VIS support],,enableval="no") - - if test "$enableval" = "yes"; then - # Force 64bit on with VIS - do64bit=yes - do64bitVIS=yes - else - do64bitVIS=no - fi - AC_MSG_RESULT($do64bitVIS) - - # 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 - - if test "$CC" = "gcc" -o `$CC -v 2>&1 | grep -c gcc` != "0" ; then - using_gcc="yes" - else - using_gcc="no" - fi - - # 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="" - UNSHARED_LIB_SUFFIX="" - TCL_TRIM_DOTS='`echo ${VERSION} | tr -d .`' - ECHO_VERSION='`echo ${VERSION}`' - TCL_LIB_VERSIONS_OK=ok - CFLAGS_DEBUG=-g - CFLAGS_OPTIMIZE=-O - if test "$using_gcc" = "yes" ; then - CFLAGS_WARNING="-Wall -Wconversion -Wno-implicit-int" - else - CFLAGS_WARNING="" - fi - TCL_NEEDS_EXP_FILE=0 - TCL_BUILD_EXP_FILE="" - TCL_EXP_FILE="" - case $system in - AIX-4.[[2-9]]) - if test "$using_gcc" = "no" ; then - # The IBM compiler has a bug with -O when compiling the - # text widget code (TkTextPixelIndex segv) - CFLAGS_OPTIMIZE="" - fi - SHLIB_CFLAGS="" - SHLIB_LD=$TCL_SHLIB_LD - SHLIB_LD_LIBS='${LIBS}' - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl ${TCL_BUILD_LIB_SPEC}" - LDFLAGS="" - LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}' - TCL_NEEDS_EXP_FILE=1 - TCL_EXPORT_FILE_SUFFIX='${VERSION}\$\{DBGX\}.exp' - ;; - AIX-*) - SHLIB_CFLAGS="" - SHLIB_LD=$TCL_SHLIB_LD - SHLIB_LD_LIBS='${LIBS}' - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - LIBOBJS="$LIBOBJS tclLoadAix.o" - DL_LIBS="-lld ${TCL_BUILD_LIB_SPEC}" - LDFLAGS="" - LD_SEARCH_FLAGS='-L${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" - LDFLAGS="" - LD_SEARCH_FLAGS="" - ;; - BSD/OS-4.*) - SHLIB_CFLAGS="-export-dynamic -fPIC" - SHLIB_LD="cc -shared" - SHLIB_LD_LIBS='${LIBS}' - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl" - LDFLAGS="-export-dynamic" - LD_SEARCH_FLAGS="" - ;; - dgux*) - SHLIB_CFLAGS="-K PIC" - SHLIB_LD="cc -G" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl" - LDFLAGS="" - LD_SEARCH_FLAGS="" - ;; - HP-UX-*.08.*|HP-UX-*.09.*|HP-UX-*.10.*|HP-UX-*.11.*) - SHLIB_SUFFIX=".sl" - AC_CHECK_LIB(dld, shl_load, tcl_ok=yes, tcl_ok=no) - if test "$tcl_ok" = yes; then - SHLIB_CFLAGS="+z" - SHLIB_LD="ld -b" - SHLIB_LD_LIBS="" - DL_OBJS="tclLoadShl.o" - DL_LIBS="-ldld" - LDFLAGS="-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='${LIBS}' - DL_OBJS="tclLoadAout.o" - DL_LIBS="" - LDFLAGS="-Wl,-D,08000000" - LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}' - SHARED_LIB_SUFFIX='${VERSION}\$\{DBGX\}.a' - ;; - IRIX-5.*|IRIX-6.*|IRIX64-6.5*) - SHLIB_CFLAGS="" - SHLIB_LD="ld -n32 -shared -rdata_shared" - SHLIB_LD_LIBS='${LIBS}' - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="" - LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}' - if test "$using_gcc" = "yes" ; then - EXTRA_CFLAGS="-mabi=n32" - LDFLAGS="-mabi=n32" - else - case $system in - IRIX-6.3) - # Use to build 6.2 compatible binaries on 6.3. - EXTRA_CFLAGS="-n32 -D_OLD_TERMIOS" - ;; - *) - EXTRA_CFLAGS="-n32" - ;; - esac - LDFLAGS="-n32" - fi - ;; - IRIX64-6.*) - SHLIB_CFLAGS="" - SHLIB_LD="ld -32 -shared -rdata_shared" - SHLIB_LD_LIBS='${LIBS}' - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="" - LDFLAGS="" - LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}' - ;; - Linux*) - SHLIB_CFLAGS="-fPIC" - SHLIB_LD_LIBS='${LIBS}' - SHLIB_SUFFIX=".so" - - # egcs-2.91.66 on Redhat Linux 6.0 generates lots of warnings - # when you inline the string and math operations. 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However, - # this test works, since "uname -s" was non-standard in 3.2.4 and - # below. - if test "$using_gcc" = "yes" ; then - SHLIB_CFLAGS="-fPIC -melf" - LDFLAGS="-melf -Wl,-Bexport" - else - SHLIB_CFLAGS="-Kpic -belf" - LDFLAGS="-belf -Wl,-Bexport" - fi - SHLIB_LD="ld -G" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="" - LD_SEARCH_FLAGS="" - ;; - SINIX*5.4*) - SHLIB_CFLAGS="-K PIC" - SHLIB_LD="cc -G" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl" - LDFLAGS="" - LD_SEARCH_FLAGS="" - ;; - SunOS-4*) - SHLIB_CFLAGS="-PIC" - SHLIB_LD="ld" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl" - LDFLAGS="" - LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}' - - # SunOS can't handle version numbers with dots in them in library - # specs, like -ltcl7.5, so use -ltcl75 instead. 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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 $found = yes; then - LDFLAGS="-Wl,-Bexport" - else - LDFLAGS="" - fi - LD_SEARCH_FLAGS="" - ;; - esac - - if test "$do64bit" = "yes" -a "$do64bit_ok" = "no" ; then - AC_MSG_WARN("64bit support being disabled -- don\'t know magic for this platform") - fi - - # Step 4: If pseudo-static linking is in use (see K. B. Kenny, "Dynamic - # Loading for Tcl -- What Became of It?". Proc. 2nd Tcl/Tk Workshop, - # New Orleans, LA, Computerized Processes Unlimited, 1994), then we need - # to determine which of several header files defines the a.out file - # format (a.out.h, sys/exec.h, or sys/exec_aout.h). At present, we - # support only a file format that is more or less version-7-compatible. - # In particular, - # - a.out files must begin with `struct exec'. - # - the N_TXTOFF on the `struct exec' must compute the seek address - # of the text segment - # - The `struct exec' must contain a_magic, a_text, a_data, a_bss - # and a_entry fields. - # The following compilation should succeed if and only if either sys/exec.h - # or a.out.h is usable for the purpose. - # - # Note that the modified COFF format used on MIPS Ultrix 4.x is usable; the - # `struct exec' includes a second header that contains information that - # duplicates the v7 fields that are needed. - - if test "x$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; 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then - AC_DEFINE(USE_SYS_EXEC_AOUT_H) - else - DL_OBJS="" - fi - fi - fi - fi - - # Step 5: disable dynamic loading if requested via a command-line switch. - - 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="" - fi - - if test "x$DL_OBJS" != "x" ; then - BUILD_DLTEST="\$(DLTEST_TARGETS)" - else - echo "Can't figure out how to do dynamic loading or shared libraries" - echo "on this system." - SHLIB_CFLAGS="" - SHLIB_LD="" - SHLIB_SUFFIX="" - DL_OBJS="tclLoadNone.o" - DL_LIBS="" - LDFLAGS="" - LD_SEARCH_FLAGS="" - BUILD_DLTEST="" - fi - - # If we're running gcc, then change the C flags for compiling shared - # libraries to the right flags for gcc, instead of those for the - # standard manufacturer compiler. - - if test "$DL_OBJS" != "tclLoadNone.o" ; then - if test "$using_gcc" = "yes" ; then - case $system in - AIX-*) - ;; - BSD/OS*) - ;; - IRIX*) - ;; - NetBSD-*|FreeBSD-*|OpenBSD-*) - ;; - RISCos-*) - ;; - ULTRIX-4.*) - ;; - *) - SHLIB_CFLAGS="-fPIC" - ;; - esac - fi - fi - - if test "$SHARED_LIB_SUFFIX" = "" ; then - SHARED_LIB_SUFFIX='${VERSION}\$\{DBGX\}${SHLIB_SUFFIX}' - fi - if test "$UNSHARED_LIB_SUFFIX" = "" ; then - UNSHARED_LIB_SUFFIX='${VERSION}\$\{DBGX\}.a' - fi - - AC_SUBST(DL_LIBS) - AC_SUBST(CFLAGS_DEBUG) - AC_SUBST(CFLAGS_OPTIMIZE) - AC_SUBST(CFLAGS_WARNING) -]) - -#-------------------------------------------------------------------- -# SC_SERIAL_PORT -# -# 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. -# -# Arguments: -# none -# -# Results: -# -# Defines only one of the following vars: -# USE_TERMIOS -# USE_TERMIO -# USE_SGTTY -# -#-------------------------------------------------------------------- - -AC_DEFUN(SC_SERIAL_PORT, [ - 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) -]) - -#-------------------------------------------------------------------- -# SC_MISSING_POSIX_HEADERS -# -# 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 -# -# Arguments: -# none -# -# Results: -# -# Defines some of the following vars: -# NO_DIRENT_H -# NO_ERRNO_H -# NO_VALUES_H -# NO_LIMITS_H -# NO_STDLIB_H -# NO_STRING_H -# NO_SYS_WAIT_H -# NO_DLFCN_H -# HAVE_UNISTD_H -# HAVE_SYS_PARAM_H -# -# HAVE_STRING_H ? -# -#-------------------------------------------------------------------- - -AC_DEFUN(SC_MISSING_POSIX_HEADERS, [ - - 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 $tcl_ok = 0; then - AC_DEFINE(NO_STRING_H) - fi - - AC_CHECK_HEADER(sys/wait.h, , AC_DEFINE(NO_SYS_WAIT_H)) - AC_CHECK_HEADER(dlfcn.h, , AC_DEFINE(NO_DLFCN_H)) - - # OS/390 lacks sys/param.h (and doesn't need it, by chance). - - AC_HAVE_HEADERS(unistd.h sys/param.h) - -]) - -#-------------------------------------------------------------------- -# SC_PATH_X -# -# Locate the X11 header files and the X11 library archive. Try -# the ac_path_x macro first, but if it doesn't find the X stuff -# (e.g. because there's no xmkmf program) then check through -# a list of possible directories. Under some conditions the -# autoconf macro will return an include directory that contains -# no include files, so double-check its result just to be safe. -# -# Arguments: -# none -# -# Results: -# -# Sets the the following vars: -# XINCLUDES -# XLIBSW -# -#-------------------------------------------------------------------- - -AC_DEFUN(SC_PATH_X, [ - AC_PATH_X - not_really_there="" - if test "$no_x" = ""; then - if test "$x_includes" = ""; then - AC_TRY_CPP([#include <X11/XIntrinsic.h>], , not_really_there="yes") - else - if test ! -r $x_includes/X11/Intrinsic.h; then - not_really_there="yes" - fi - fi - fi - if test "$no_x" = "yes" -o "$not_really_there" = "yes"; then - AC_MSG_CHECKING(for X11 header files) - XINCLUDES="# no special path needed" - AC_TRY_CPP([#include <X11/Intrinsic.h>], , XINCLUDES="nope") - if test "$XINCLUDES" = nope; then - dirs="/usr/unsupported/include /usr/local/include /usr/X386/include /usr/X11R6/include /usr/X11R5/include /usr/include/X11R5 /usr/include/X11R4 /usr/openwin/include /usr/X11/include /usr/sww/include" - for i in $dirs ; do - if test -r $i/X11/Intrinsic.h; then - AC_MSG_RESULT($i) - XINCLUDES=" -I$i" - break - fi - done - fi - else - if test "$x_includes" != ""; then - XINCLUDES=-I$x_includes - else - XINCLUDES="# no special path needed" - fi - fi - if test "$XINCLUDES" = nope; then - AC_MSG_RESULT(couldn't find any!) - XINCLUDES="# no include files found" - fi - - if test "$no_x" = yes; then - AC_MSG_CHECKING(for X11 libraries) - XLIBSW=nope - dirs="/usr/unsupported/lib /usr/local/lib /usr/X386/lib /usr/X11R6/lib /usr/X11R5/lib /usr/lib/X11R5 /usr/lib/X11R4 /usr/openwin/lib /usr/X11/lib /usr/sww/X11/lib" - for i in $dirs ; do - if test -r $i/libX11.a -o -r $i/libX11.so -o -r $i/libX11.sl; then - AC_MSG_RESULT($i) - XLIBSW="-L$i -lX11" - x_libraries="$i" - break - fi - done - else - if test "$x_libraries" = ""; then - XLIBSW=-lX11 - else - XLIBSW="-L$x_libraries -lX11" - fi - fi - if test "$XLIBSW" = nope ; then - AC_CHECK_LIB(Xwindow, XCreateWindow, XLIBSW=-lXwindow) - fi - if test "$XLIBSW" = nope ; then - AC_MSG_RESULT(couldn't find any! Using -lX11.) - XLIBSW=-lX11 - fi -]) -#-------------------------------------------------------------------- -# SC_BLOCKING_STYLE -# -# 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. -# -# Arguments: -# none -# -# Results: -# -# Defines some of the following vars: -# HAVE_SYS_IOCTL_H -# HAVE_SYS_FILIO_H -# USE_FIONBIO -# O_NONBLOCK -# -#-------------------------------------------------------------------- - -AC_DEFUN(SC_BLOCKING_STYLE, [ - 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` - fi - fi - fi - case $system in - # There used to be code here to use FIONBIO under AIX. However, it - # was reported that FIONBIO doesn't work under AIX 3.2.5. Since - # using O_NONBLOCK seems fine under AIX 4.*, I removed the FIONBIO - # code (JO, 5/31/97). - - OSF*) - AC_DEFINE(USE_FIONBIO) - AC_MSG_RESULT(FIONBIO) - ;; - SunOS-4*) - AC_DEFINE(USE_FIONBIO) - AC_MSG_RESULT(FIONBIO) - ;; - ULTRIX-4.*) - AC_DEFINE(USE_FIONBIO) - AC_MSG_RESULT(FIONBIO) - ;; - *) - AC_MSG_RESULT(O_NONBLOCK) - ;; - esac -]) - -#-------------------------------------------------------------------- -# SC_HAVE_VFORK -# -# Check to see whether the system provides a vfork kernel call. -# If not, then use fork instead. Also, check for a problem with -# vforks and signals that can cause core dumps if a vforked child -# resets a signal handler. If the problem exists, then use fork -# instead of vfork. -# -# Arguments: -# none -# -# Results: -# -# Defines some of the following vars: -# vfork (=fork) -# -#-------------------------------------------------------------------- - -AC_DEFUN(SC_HAVE_VFORK, [ - AC_TYPE_SIGNAL() - AC_CHECK_FUNC(vfork, tcl_ok=1, tcl_ok=0) - if test "$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) - fi -]) - -#-------------------------------------------------------------------- -# SC_TIME_HANLDER -# -# Checks how the system deals with time.h, what time structures -# are used on the system, and what fields the structures have. -# -# Arguments: -# none -# -# Results: -# -# Defines some of the following vars: -# USE_DELTA_FOR_TZ -# HAVE_TM_GMTOFF -# HAVE_TM_TZADJ -# HAVE_TIMEZONE_VAR -# -#-------------------------------------------------------------------- - -AC_DEFUN(SC_TIME_HANDLER, [ - 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)) - - # - # 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 - - # - # 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 "`uname -s`" = "AIX" ; then - AC_CHECK_LIB(bsd, gettimeofday, libbsd=yes) - if test $libbsd = yes; then - AC_DEFINE(USE_DELTA_FOR_TZ) - fi - fi -]) - -#-------------------------------------------------------------------- -# SC_BUGGY_STRTOD -# -# Under Solaris 2.4, strtod returns the wrong value for the -# terminating character under some conditions. Check for this -# and if the problem exists use a substitute procedure -# "fixstrtod" (provided by Tcl) that corrects the error. -# Also, on Compaq's Tru64 Unix 5.0, -# strtod(" ") returns 0.0 instead of a failure to convert. -# -# Arguments: -# none -# -# Results: -# -# Might defines some of the following vars: -# strtod (=fixstrtod) -# -#-------------------------------------------------------------------- - -AC_DEFUN(SC_BUGGY_STRTOD, [ - AC_CHECK_FUNC(strtod, tk_strtod=1, tk_strtod=0) - if test "$tk_strtod" = 1; then - AC_MSG_CHECKING([for Solaris 2.4 strtod bug]) - AC_TRY_RUN([ - extern double strtod(); - int main() - { - char *string = "NaN", *spaceString = " "; - char *term; - double value; - value = strtod(string, &term); - if ((term != string) && (term[-1] == 0)) { - exit(1); - } - value = strtod(string, &term); - if (term == (string+1)) { - exit(1); - } - exit(0); - }], tk_ok=1, tk_ok=0, tk_ok=0) - if test "$tk_ok" = 1; then - AC_MSG_RESULT(ok) - else - AC_MSG_RESULT(buggy) - AC_DEFINE(strtod, fixstrtod) - fi - fi -]) - -#-------------------------------------------------------------------- -# SC_TCL_LINK_LIBS -# -# Search for the libraries needed to link the Tcl shell. -# Things like the math library (-lm) and socket stuff (-lsocket vs. -# -lnsl) are dealt with here. -# -# Arguments: -# Requires the following vars to be set in the Makefile: -# DL_LIBS -# LIBS -# MATH_LIBS -# -# Results: -# -# Subst's the following var: -# TCL_LIBS -# MATH_LIBS -# -# Might append to the following vars: -# LIBS -# -# Might define the following vars: -# HAVE_NET_ERRNO_H -# -#-------------------------------------------------------------------- - -AC_DEFUN(SC_TCL_LINK_LIBS, [ - #-------------------------------------------------------------------- - # 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"). - #-------------------------------------------------------------------- - - AC_CHECK_FUNC(sin, MATH_LIBS="", MATH_LIBS="-lm") - AC_CHECK_LIB(ieee, main, [MATH_LIBS="-lieee $MATH_LIBS"]) - - #-------------------------------------------------------------------- - # 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. - #-------------------------------------------------------------------- - - 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 - - - #-------------------------------------------------------------------- - # 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="$LIBS -linet"]) - AC_CHECK_HEADER(net/errno.h, AC_DEFINE(HAVE_NET_ERRNO_H)) - - #-------------------------------------------------------------------- - # Check for the existence of the -lsocket and -lnsl libraries. - # The order here is important, so that they end up in the right - # order in the command line generated by make. Here are some - # special considerations: - # 1. Use "connect" and "accept" to check for -lsocket, and - # "gethostbyname" to check for -lnsl. - # 2. Use each function name only once: can't redo a check because - # autoconf caches the results of the last check and won't redo it. - # 3. Use -lnsl and -lsocket only if they supply procedures that - # aren't already present in the normal libraries. This is because - # IRIX 5.2 has libraries, but they aren't needed and they're - # bogus: they goof up name resolution if used. - # 4. On some SVR4 systems, can't use -lsocket without -lnsl too. - # To get around this problem, check for both libraries together - # if -lsocket doesn't work by itself. - #-------------------------------------------------------------------- - - tcl_checkBoth=0 - AC_CHECK_FUNC(connect, tcl_checkSocket=0, tcl_checkSocket=1) - if test "$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=$tk_oldLibs]) - fi - AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(nsl, main, - [LIBS="$LIBS -lnsl"])) - - # Don't perform the eval of the libraries here because DL_LIBS - # won't be set until we call SC_CONFIG_CFLAGS - - TCL_LIBS='${DL_LIBS} ${LIBS} ${MATH_LIBS}' - AC_SUBST(TCL_LIBS) - AC_SUBST(MATH_LIBS) -]) +builtin(include,tcl.m4) |