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-rw-r--r--unix/aclocal.m4858
1 files changed, 710 insertions, 148 deletions
diff --git a/unix/aclocal.m4 b/unix/aclocal.m4
index 7dd18ac..a1d0335 100644
--- a/unix/aclocal.m4
+++ b/unix/aclocal.m4
@@ -25,7 +25,7 @@ dnl PARTICULAR PURPOSE.
# --with-tcl=...
#
# Defines the following vars:
-# TCLCONFIG Full path to the tclConfig.sh file
+# TCL_BIN_DIR Full path to the tclConfig.sh file
#------------------------------------------------------------------------
AC_DEFUN(SC_PATH_TCLCONFIG, [
@@ -38,7 +38,7 @@ AC_DEFUN(SC_PATH_TCLCONFIG, [
if test x"${no_tcl}" = x ; then
# we reset no_tcl in case something fails here
no_tcl=true
- AC_ARG_WITH(tcl, [ --with-tcl directory containing tcl configuration (tclConfig.sh)],
+ AC_ARG_WITH(tcl, [ --with-tcl directory containing tcl configuration (tclConfig.sh)],
with_tclconfig=${withval})
AC_MSG_CHECKING([for Tcl configuration])
AC_CACHE_VAL(ac_cv_c_tclconfig,[
@@ -93,13 +93,13 @@ if test x"${no_tcl}" = x ; then
])
if test x"${ac_cv_c_tclconfig}" = x ; then
- TCLCONFIG="# no Tcl configs found"
+ TCL_BIN_DIR="# no Tcl configs found"
AC_MSG_WARN(Can't find Tcl configuration definitions)
exit 0
else
no_tcl=
- TCLCONFIG=${ac_cv_c_tclconfig}/tclConfig.sh
- AC_MSG_RESULT(found $TCLCONFIG)
+ TCL_BIN_DIR=${ac_cv_c_tclconfig}
+ AC_MSG_RESULT(found $TCL_BIN_DIR/tclConfig.sh)
fi
fi
])
@@ -118,7 +118,7 @@ fi
# --with-tk=...
#
# Defines the following vars:
-# TKCONFIG Full path to the tkConfig.sh file
+# TK_BIN_DIR Full path to the tkConfig.sh file
#------------------------------------------------------------------------
AC_DEFUN(SC_PATH_TKCONFIG, [
@@ -131,7 +131,7 @@ AC_DEFUN(SC_PATH_TKCONFIG, [
if test x"${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)],
+ AC_ARG_WITH(tk, [ --with-tk directory containing tk configuration (tkConfig.sh)],
with_tkconfig=${withval})
AC_MSG_CHECKING([for Tk configuration])
AC_CACHE_VAL(ac_cv_c_tkconfig,[
@@ -183,13 +183,13 @@ if test x"${no_tk}" = x ; then
fi
])
if test x"${ac_cv_c_tkconfig}" = x ; then
- TKCONFIG="# no Tk configs found"
+ TK_BIN_DIR="# no Tk configs found"
AC_MSG_WARN(Can't find Tk configuration definitions)
exit 0
else
no_tk=
- TKCONFIG=${ac_cv_c_tkconfig}/tkConfig.sh
- AC_MSG_RESULT(found $TKCONFIG)
+ TK_BIN_DIR=${ac_cv_c_tkconfig}
+ AC_MSG_RESULT(found $TK_BIN_DIR/tkConfig.sh)
fi
fi
@@ -203,92 +203,37 @@ fi
# Arguments:
#
# Requires the following vars to be set:
-# TCLCONFIG
+# TCL_BIN_DIR
#
# Results:
#
-# Subst's the following vars:
-# TCL_CC
-# TCL_DEFS
-# TCL_CFLAGS
-# TCL_DBGX
-# TCL_LIBS
-# TCL_SHLIB_LD
-# SHLIB_SUFFIX
-# TCL_LD_FLAGS
-# TCL_BUILD_LIB_SPEC
-# TCL_LIB_SPEC
-# TCL_SHARED_LIB_SUFFIX
+# Sets the following vars that should be in tclConfig.sh:
+# TCL_SRC_DIR
+# TCL_LIB_FILE
+# TCL_LIB_FLAG
+# Does not defines the following vars:
+# TCL_THREADS
+#
#------------------------------------------------------------------------
AC_DEFUN(SC_LOAD_TCLCONFIG, [
- if test -f "$TCLCONFIG" ; then
- . $TCLCONFIG
+ if test -f "$TCL_BIN_DIR/tclConfig.sh" ; then
+ . $TCL_BIN_DIR/tclConfig.sh
fi
-dnl AC_SUBST(TCL_VERSION)
-dnl AC_SUBST(TCL_MAJOR_VERSION)
-dnl AC_SUBST(TCL_MINOR_VERSION)
- AC_SUBST(TCL_CC)
- AC_SUBST(TCL_DEFS)
- AC_SUBST(TCL_CFLAGS)
- AC_SUBST(TCL_DBGX)
-
-dnl not used, don't export to save symbols
-dnl AC_SUBST(TCL_LIB_FILE)
-
-dnl don't export, not used outside of configure
- AC_SUBST(TCL_LIBS)
-dnl not used, don't export to save symbols
-dnl AC_SUBST(TCL_PREFIX)
-
-dnl not used, don't export to save symbols
-dnl AC_SUBST(TCL_EXEC_PREFIX)
-
-
-dnl not used, don't export to save symbols
-dnl AC_SUBST(TCL_SHLIB_CFLAGS)
- AC_SUBST(TCL_SHLIB_LD)
-dnl don't export, not used outside of configure
-dnl AC_SUBST(TCL_SHLIB_LD_LIBS)
-
-# Tcl defines TCL_SHLIB_SUFFIX but TCL_SHARED_LIB_SUFFIX then looks for it
-# as just SHLIB_SUFFIX. How bizarre.
- SHLIB_SUFFIX=$TCL_SHLIB_SUFFIX
- AC_SUBST(SHLIB_SUFFIX)
-
-dnl not used, don't export to save symbols
-dnl AC_SUBST(TCL_DL_LIBS)
- AC_SUBST(TCL_LD_FLAGS)
-dnl don't export, not used outside of configure
-dnl AC_SUBST(TCL_LD_SEARCH_FLAGS)
-dnl AC_SUBST(TCL_COMPAT_OBJS)
-dnl AC_SUBST(TCL_RANLIB)
-
-# if Tcl's build directory has been removed, TCL_LIB_SPEC should
-# be used instead of TCL_BUILD_LIB_SPEC
-SAVELIBS=$LIBS
-eval "LIBS=\"$TCL_BUILD_LIB_SPEC $TCL_LIBS\""
-AC_CHECK_FUNC(Tcl_CreateCommand,[
- AC_MSG_CHECKING([if Tcl library build specification is valid])
- AC_MSG_RESULT(yes)
-],[
- TCL_BUILD_LIB_SPEC=$TCL_LIB_SPEC
- # Can't pull the following CHECKING call out since it will be
- # broken up by the CHECK_FUNC just above.
- AC_MSG_CHECKING([if Tcl library build specification is valid])
- AC_MSG_RESULT(no)
-])
-LIBS=$SAVELIBS
-
- AC_SUBST(TCL_BUILD_LIB_SPEC)
- AC_SUBST(TCL_LIB_SPEC)
-dnl AC_SUBST(TCL_LIB_VERSIONS_OK)
+ #
+ # The eval is required to do the TCL_DBGX substitution in the
+ # TCL_LIB_FILE variable
+ #
- AC_SUBST(TCL_SHARED_LIB_SUFFIX)
+ eval TCL_LIB_FILE=${TCL_LIB_FILE}
+ eval TCL_LIB_FLAG=${TCL_LIB_FLAG}
-dnl not used, don't export to save symbols
-dnl AC_SUBST(TCL_UNSHARED_LIB_SUFFIX)
+# if test "x$TCL_THREADS" = "x"; then
+# echo "Tcl not built with threads"
+# else
+# AC_DEFINE(TCL_THREADS)
+# fi
])
#------------------------------------------------------------------------
@@ -299,7 +244,7 @@ dnl AC_SUBST(TCL_UNSHARED_LIB_SUFFIX)
# Arguments:
#
# Requires the following vars to be set:
-# TKCONFIG
+# TK_BIN_DIR
#
# Results:
#
@@ -315,32 +260,9 @@ dnl AC_SUBST(TCL_UNSHARED_LIB_SUFFIX)
#------------------------------------------------------------------------
AC_DEFUN(SC_LOAD_TKCONFIG, [
- if test -f "$TKCONFIG" ; then
- . $TKCONFIG
+ if test -f "$TK_BIN_DIR/tkConfig.sh" ; then
+ . $TK_BIN_DIR/tkConfig.sh
fi
-
- AC_SUBST(TK_VERSION)
-dnl not actually used, don't export to save symbols
-dnl AC_SUBST(TK_MAJOR_VERSION)
-dnl AC_SUBST(TK_MINOR_VERSION)
- AC_SUBST(TK_DEFS)
- AC_SUBST(TK_DBGX)
-
-dnl not used, don't export to save symbols
- dnl AC_SUBST(TK_LIB_FILE)
-
-dnl not used outside of configure
- AC_SUBST(TK_LIBS)
-dnl not used, don't export to save symbols
-dnl AC_SUBST(TK_PREFIX)
-
-dnl not used, don't export to save symbols
-dnl AC_SUBST(TK_EXEC_PREFIX)
-
- AC_SUBST(TK_XINCLUDES)
- AC_SUBST(TK_XLIBSW)
- AC_SUBST(TK_BUILD_LIB_SPEC)
- AC_SUBST(TK_LIB_SPEC)
])
#------------------------------------------------------------------------
@@ -385,29 +307,35 @@ AC_DEFUN(SC_ENABLE_GCC, [
# --enable-shared=yes|no
#
# Subst's the following vars:
-# BUILD_SHARED Value of YES or NO
+# SHARED_BUILD Value of 1 or 0
+#
+# May define the following vars:
+# STATIC_BUILD (Not sure, but might only be used in Windows)
#------------------------------------------------------------------------
AC_DEFUN(SC_ENABLE_SHARED, [
+ AC_MSG_CHECKING([how to build libraries])
AC_ARG_ENABLE(shared,
[ --enable-shared build and link with shared libraries [--enable-shared]],
- [BUILD_SHARED=$enableval],
- [BUILD_SHARED=NO])
- case "$BUILD_SHARED" in
- YES|yes)
- AC_MSG_RESULT(Will build shared libraries)
- BUILD_SHARED=YES
- ;;
- NO|no)
- AC_MSG_RESULT(Will not build shared libraries)
- BUILD_SHARED=NO
- ;;
- *)
- AC_MSG_ERROR(Invalid argument to --enable-shared=, expected YES or NO)
- exit 1
- ;;
- esac
- AC_SUBST(BUILD_SHARED)
+ [tcl_ok=$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
+
+ AC_SUBST(SHARED_BUILD)
])
#------------------------------------------------------------------------
@@ -421,21 +349,25 @@ AC_DEFUN(SC_ENABLE_SHARED, [
# Results:
#
# Adds the following arguments to configure:
-# --enable-threads=yes|no
+# --enable-threads
#
-# Defines the following vars:
+# Sets the following vars:
# THREADS_LIBS Thread library(s)
+#
+# Defines the following vars:
# TCL_THREADS
# _REENTRANT
-# CFLAGS_WARNING C flags warnings for gcc
#
#------------------------------------------------------------------------
AC_DEFUN(SC_ENABLE_THREADS, [
- AC_ARG_ENABLE(threads,[ --enable-threads enable Threads support [--disable-threads]],,enableval="no")
+ AC_MSG_CHECKING(for building with threads)
+ AC_ARG_ENABLE(threads, [ --enable-threads build with threads],
+ [tcl_ok=$enableval], [tcl_ok=no])
- if test "$enableval" = "yes"; then
- AC_MSG_RESULT(Will compile with Threads support)
+ if test "$tcl_ok" = "yes"; then
+ AC_MSG_RESULT(yes)
+ TCL_THREADS=1
AC_DEFINE(TCL_THREADS)
AC_DEFINE(_REENTRANT)
@@ -444,21 +376,14 @@ AC_DEFUN(SC_ENABLE_THREADS, [
# The space is needed
THREADS_LIBS=" -lpthread"
else
+ TCL_THREADS=0
AC_MSG_WARN("Don t know how to find pthread lib on your system - you must disable thread support or edit the LIBS in the Makefile...")
fi
else
- AC_MSG_RESULT(Will compile without Threads support (normal))
+ TCL_THREADS=0
+ AC_MSG_RESULT(no (default))
fi
- # set the warning flags depending on whether or not we are using gcc
- if test "${GCC}" = "yes" ; then
- # leave -Wimplicit-int out, the X libs generate so many of these warnings
- # that they obscure everything else.
-
- CFLAGS_WARNING="-Wall -Wconversion -Wno-implicit-int"
- else
- CFLAGS_WARNING=""
- fi
])
#------------------------------------------------------------------------
@@ -481,24 +406,637 @@ AC_DEFUN(SC_ENABLE_THREADS, [
# 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='$(CFLAGS_DEBUG)'
+ LD_FLAGS_DEFAULT='$(LDFLAGS_DEBUG)'
DBGX=g
+ AC_MSG_RESULT([yes])
else
CFLAGS_DEFAULT='$(CFLAGS_OPTIMIZE)'
+ LD_FLAGS_DEFAULT='$(LDFLAGS_OPTIMIZE)'
DBGX=""
+ AC_MSG_RESULT([no])
+ fi
+])
+
+#--------------------------------------------------------------------
+# 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 $libbsd = yes; then
+ AC_DEFINE(USE_DELTA_FOR_TZ)
+ fi
fi
])
+#--------------------------------------------------------------------
+# SC_BUGGY_STRTOD
+#
+# Under Solaris 2.4, strtod returns the wrong value for the
+# terminating character under some conditions. Check for this
+# and if the problem exists use a substitute procedure
+# "fixstrtod" (provided by Tcl) that corrects the error.
+#
+# Arguments:
+# none
+#
+# Results:
+#
+# Might defines some of the following vars:
+# strtod (=fixstrtod)
+#
+#--------------------------------------------------------------------
+
+AC_DEFUN(SC_BUGGY_STRTOD, [
+ AC_CHECK_FUNC(strtod, tk_strtod=1, tk_strtod=0)
+ if test "$tk_strtod" = 1; then
+ AC_MSG_CHECKING([for Solaris 2.4 strtod bug])
+ AC_TRY_RUN([
+ extern double strtod();
+ int main()
+ {
+ char *string = "NaN";
+ char *term;
+ strtod(string, &term);
+ if ((term != string) && (term[-1] == 0)) {
+ 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} ${MATH_LIBS}'
+ AC_SUBST(TCL_LIBS)
+ AC_SUBST(MATH_LIBS)
+])
#--------------------------------------------------------------------
-# SC_TCL_CONFIG_CFLAGS
+# SC_CONFIG_CFLAGS
#
# Try to determine the proper flags to pass to the compiler
# for building shared libraries and other such nonsense.
@@ -569,10 +1107,30 @@ AC_DEFUN(SC_ENABLE_SYMBOLS, [
# Flags used when running the compiler in debug mode
# CFLAGS_OPTIMIZE -
# Flags used when running the compiler in optimize mode
+#
+# EXTRA_CFLAGS
+#
+# Subst's the following vars:
+# DL_LIBS
+# CFLAGS_DEBUG
+# CFLAGS_OPTIMIZE
#--------------------------------------------------------------------
-AC_DEFUN(SC_TCL_CONFIG_CFLAGS, [
+AC_DEFUN(SC_CONFIG_CFLAGS, [
+
+ # Step 0: Enable 64 bit support?
+ AC_MSG_CHECKING([if 64bit support is enabled])
+ AC_ARG_ENABLE(64bit,[ --enable-64bit enable 64bit support],,enableval="no")
+
+ if test "$enableval" = "yes"; then
+ AC_MSG_RESULT(Will compile with 64bit support)
+ do64bit=yes
+ else
+ do64bit=no
+ fi
+ AC_MSG_RESULT($do64bit)
+
# 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.
@@ -1123,5 +1681,9 @@ AC_DEFUN(SC_TCL_CONFIG_CFLAGS, [
esac
fi
fi
+
+ AC_SUBST(DL_LIBS)
+ AC_SUBST(CFLAGS_DEBUG)
+ AC_SUBST(CFLAGS_OPTIMIZE)
])