mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-19 10:53:58 +00:00
944 lines
29 KiB
Plaintext
Executable File
944 lines
29 KiB
Plaintext
Executable File
dnl This file is an input file used by the GNU "autoconf" program to
|
|
dnl generate the file "configure", which is run during Tcl installation
|
|
dnl to configure the system for the local environment.
|
|
AC_INIT(../generic/tcl.h)
|
|
# SCCS: @(#) configure.in 1.102 96/04/17 10:46:25
|
|
|
|
TCL_VERSION=7.5
|
|
TCL_MAJOR_VERSION=7
|
|
TCL_MINOR_VERSION=5
|
|
VERSION=${TCL_VERSION}
|
|
|
|
if test "${prefix}" = "NONE"; then
|
|
prefix=/usr/local
|
|
fi
|
|
if test "${exec_prefix}" = "NONE"; then
|
|
exec_prefix=$prefix
|
|
fi
|
|
|
|
AC_PROG_RANLIB
|
|
AC_ARG_ENABLE(gcc, [ --enable-gcc allow use of gcc if available],
|
|
[tcl_ok=$enableval], [tcl_ok=no])
|
|
if test "$tcl_ok" = "yes"; then
|
|
AC_PROG_CC
|
|
else
|
|
CC=${CC-cc}
|
|
AC_SUBST(CC)
|
|
fi
|
|
AC_C_CROSS
|
|
|
|
#--------------------------------------------------------------------
|
|
# Supply substitutes for missing POSIX library procedures, or
|
|
# set flags so Tcl uses alternate procedures.
|
|
#--------------------------------------------------------------------
|
|
|
|
AC_REPLACE_FUNCS(getcwd opendir strstr)
|
|
AC_REPLACE_FUNCS(strtol tmpnam waitpid)
|
|
AC_CHECK_FUNC(strerror, , AC_DEFINE(NO_STRERROR))
|
|
AC_CHECK_FUNC(getwd, , AC_DEFINE(NO_GETWD))
|
|
AC_CHECK_FUNC(wait3, , AC_DEFINE(NO_WAIT3))
|
|
AC_CHECK_FUNC(uname, , AC_DEFINE(NO_UNAME))
|
|
|
|
#--------------------------------------------------------------------
|
|
# 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"])
|
|
|
|
#--------------------------------------------------------------------
|
|
# Supply substitutes for missing POSIX header files. Special
|
|
# notes:
|
|
# - stdlib.h doesn't define strtol, strtoul, or
|
|
# strtod insome versions of SunOS
|
|
# - some versions of string.h don't declare procedures such
|
|
# as strstr
|
|
#--------------------------------------------------------------------
|
|
|
|
AC_MSG_CHECKING(dirent.h)
|
|
AC_TRY_LINK([#include <sys/types.h>
|
|
#include <dirent.h>], [
|
|
#ifndef _POSIX_SOURCE
|
|
# ifdef __Lynx__
|
|
/*
|
|
* Generate compilation error to make the test fail: Lynx headers
|
|
* are only valid if really in the POSIX environment.
|
|
*/
|
|
|
|
missing_procedure();
|
|
# endif
|
|
#endif
|
|
DIR *d;
|
|
struct dirent *entryPtr;
|
|
char *p;
|
|
d = opendir("foobar");
|
|
entryPtr = readdir(d);
|
|
p = entryPtr->d_name;
|
|
closedir(d);
|
|
], tcl_ok=yes, tcl_ok=no)
|
|
if test $tcl_ok = no; then
|
|
AC_DEFINE(NO_DIRENT_H)
|
|
fi
|
|
AC_MSG_RESULT($tcl_ok)
|
|
AC_CHECK_HEADER(errno.h, , AC_DEFINE(NO_ERRNO_H))
|
|
AC_CHECK_HEADER(float.h, , AC_DEFINE(NO_FLOAT_H))
|
|
AC_CHECK_HEADER(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)
|
|
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_HAVE_HEADERS(unistd.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_MSG_CHECKING([fd_set and sys/select])
|
|
AC_TRY_COMPILE([#include <sys/types.h>],
|
|
[fd_set readMask, writeMask;], tk_ok=yes, tk_ok=no)
|
|
if test $tk_ok = no; then
|
|
AC_HEADER_EGREP(fd_mask, sys/select.h, tk_ok=yes)
|
|
if test $tk_ok = yes; then
|
|
AC_DEFINE(HAVE_SYS_SELECT_H)
|
|
fi
|
|
fi
|
|
AC_MSG_RESULT($tk_ok)
|
|
if test $tk_ok = no; then
|
|
AC_DEFINE(NO_FD_SET)
|
|
fi
|
|
|
|
#------------------------------------------------------------------------------
|
|
# Find out all about time handling differences.
|
|
#------------------------------------------------------------------------------
|
|
|
|
AC_CHECK_HEADERS(sys/time.h)
|
|
AC_HEADER_TIME
|
|
AC_STRUCT_TIMEZONE
|
|
|
|
AC_MSG_CHECKING([tm_tzadj in struct tm])
|
|
AC_TRY_COMPILE([#include <time.h>], [struct tm tm; tm.tm_tzadj;],
|
|
[AC_DEFINE(HAVE_TM_TZADJ)
|
|
AC_MSG_RESULT(yes)],
|
|
AC_MSG_RESULT(no))
|
|
|
|
AC_MSG_CHECKING([tm_gmtoff in struct tm])
|
|
AC_TRY_COMPILE([#include <time.h>], [struct tm tm; tm.tm_gmtoff;],
|
|
[AC_DEFINE(HAVE_TM_GMTOFF)
|
|
AC_MSG_RESULT(yes)],
|
|
AC_MSG_RESULT(no))
|
|
|
|
#
|
|
# Its important to include time.h in this check, as some systems (like convex)
|
|
# have timezone functions, etc.
|
|
#
|
|
AC_MSG_CHECKING([timezone variable])
|
|
AC_TRY_COMPILE([#include <time.h>],
|
|
[extern long timezone;
|
|
timezone += 1;
|
|
exit (0);],
|
|
[AC_DEFINE(HAVE_TIMEZONE_VAR)
|
|
AC_MSG_RESULT(yes)],
|
|
AC_MSG_RESULT(no))
|
|
|
|
#--------------------------------------------------------------------
|
|
# On some systems strstr is broken: it returns a pointer even
|
|
# even if the original string is empty.
|
|
#--------------------------------------------------------------------
|
|
|
|
AC_MSG_CHECKING([proper strstr implementation])
|
|
AC_TRY_RUN([
|
|
extern int strstr();
|
|
int main()
|
|
{
|
|
exit(strstr("\0test", "test") ? 1 : 0);
|
|
}
|
|
], tcl_ok=yes, tcl_ok=no, tcl_ok=no)
|
|
if test $tcl_ok = yes; then
|
|
AC_MSG_RESULT(yes)
|
|
else
|
|
AC_MSG_RESULT([broken, using substitute])
|
|
LIBOBJS="$LIBOBJS strstr.o"
|
|
fi
|
|
|
|
#--------------------------------------------------------------------
|
|
# Check for strtoul function. This is tricky because under some
|
|
# versions of AIX strtoul returns an incorrect terminator
|
|
# pointer for the string "0".
|
|
#--------------------------------------------------------------------
|
|
|
|
AC_CHECK_FUNC(strtoul, tcl_ok=1, tcl_ok=0)
|
|
AC_TRY_RUN([
|
|
extern int strtoul();
|
|
int main()
|
|
{
|
|
char *string = "0";
|
|
char *term;
|
|
int value;
|
|
value = strtoul(string, &term, 0);
|
|
if ((value != 0) || (term != (string+1))) {
|
|
exit(1);
|
|
}
|
|
exit(0);
|
|
}], , tcl_ok=0, tcl_ok=0)
|
|
if test "$tcl_ok" = 0; then
|
|
test -n "$verbose" && echo " Adding strtoul.o."
|
|
LIBOBJS="$LIBOBJS strtoul.o"
|
|
fi
|
|
|
|
#--------------------------------------------------------------------
|
|
# Check for the strtod function. This is tricky because in some
|
|
# versions of Linux strtod mis-parses strings starting with "+".
|
|
#--------------------------------------------------------------------
|
|
|
|
AC_CHECK_FUNC(strtod, tcl_ok=1, tcl_ok=0)
|
|
AC_TRY_RUN([
|
|
extern double strtod();
|
|
int main()
|
|
{
|
|
char *string = " +69";
|
|
char *term;
|
|
double value;
|
|
value = strtod(string, &term);
|
|
if ((value != 69) || (term != (string+4))) {
|
|
exit(1);
|
|
}
|
|
exit(0);
|
|
}], , tcl_ok=0, tcl_ok=0)
|
|
if test "$tcl_ok" = 0; then
|
|
test -n "$verbose" && echo " Adding strtod.o."
|
|
LIBOBJS="$LIBOBJS strtod.o"
|
|
fi
|
|
|
|
#--------------------------------------------------------------------
|
|
# 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.
|
|
#--------------------------------------------------------------------
|
|
|
|
AC_CHECK_FUNC(strtod, tcl_strtod=1, tcl_strtod=0)
|
|
if test "$tcl_strtod" = 1; then
|
|
AC_MSG_CHECKING([for Solaris strtod bug])
|
|
AC_TRY_RUN([
|
|
extern double strtod();
|
|
int main()
|
|
{
|
|
char *string = "NaN";
|
|
char *term;
|
|
strtod(string, &term);
|
|
if ((term != string) && (term[-1] == 0)) {
|
|
exit(1);
|
|
}
|
|
exit(0);
|
|
}], tcl_ok=1, tcl_ok=0, tcl_ok=0)
|
|
if test $tcl_ok = 1; then
|
|
AC_MSG_RESULT(ok)
|
|
else
|
|
AC_MSG_RESULT(buggy)
|
|
LIBOBJS="$LIBOBJS fixstrtod.o"
|
|
AC_DEFINE(strtod, fixstrtod)
|
|
fi
|
|
fi
|
|
|
|
#--------------------------------------------------------------------
|
|
# 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
|
|
|
|
#--------------------------------------------------------------------
|
|
# 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))
|
|
|
|
#--------------------------------------------------------------------
|
|
# 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_MSG_CHECKING([union wait])
|
|
AC_TRY_LINK([#include <sys/types.h>
|
|
#include <sys/wait.h>], [
|
|
union wait x;
|
|
WIFEXITED(x); /* Generates compiler error if WIFEXITED
|
|
* uses an int. */
|
|
], tcl_ok=yes, tcl_ok=no)
|
|
AC_MSG_RESULT($tcl_ok)
|
|
if test $tcl_ok = no; then
|
|
AC_DEFINE(NO_UNION_WAIT)
|
|
fi
|
|
|
|
#--------------------------------------------------------------------
|
|
# Check to see whether the system supports the matherr function
|
|
# and its associated type "struct exception".
|
|
#--------------------------------------------------------------------
|
|
|
|
AC_MSG_CHECKING([matherr support])
|
|
AC_TRY_COMPILE([#include <math.h>], [
|
|
struct exception x;
|
|
x.type = DOMAIN;
|
|
x.type = SING;
|
|
], tcl_ok=yes, tcl_ok=no)
|
|
AC_MSG_RESULT($tcl_ok)
|
|
if test $tcl_ok = yes; then
|
|
AC_DEFINE(NEED_MATHERR)
|
|
fi
|
|
|
|
#--------------------------------------------------------------------
|
|
# Check to see whether the system provides a vfork kernel call.
|
|
# If not, then use fork instead. Also, check for a problem with
|
|
# vforks and signals that can cause core dumps if a vforked child
|
|
# resets a signal handler. If the problem exists, then use fork
|
|
# instead of vfork.
|
|
#--------------------------------------------------------------------
|
|
|
|
AC_CHECK_FUNC(vfork, tcl_ok=1, tcl_ok=0)
|
|
if test "$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
|
|
|
|
#--------------------------------------------------------------------
|
|
# 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 "$tcl_ok" = 0; then
|
|
LIBOBJS="$LIBOBJS strncasecmp.o"
|
|
fi
|
|
|
|
#--------------------------------------------------------------------
|
|
# The code below deals with several issues related to gettimeofday:
|
|
# 1. Some systems don't provide a gettimeofday function at all
|
|
# (set NO_GETTOD if this is the case).
|
|
# 2. SGI systems don't use the BSD form of the gettimeofday function,
|
|
# but they have a BSDgettimeofday function that can be used instead.
|
|
# 3. See if gettimeofday is declared in the <sys/time.h> header file.
|
|
# if not, set the GETTOD_NOT_DECLARED flag so that tclPort.h can
|
|
# declare it.
|
|
#--------------------------------------------------------------------
|
|
|
|
AC_CHECK_FUNC(BSDgettimeofday, AC_DEFINE(HAVE_BSDGETTIMEOFDAY),
|
|
AC_CHECK_FUNC(gettimeofday, , AC_DEFINE(NO_GETTOD)))
|
|
AC_MSG_CHECKING([for gettimeofday declaration])
|
|
AC_EGREP_HEADER(gettimeofday, sys/time.h, AC_MSG_RESULT(present), [
|
|
AC_MSG_RESULT(missing)
|
|
AC_DEFINE(GETTOD_NOT_DECLARED)
|
|
])
|
|
|
|
#--------------------------------------------------------------------
|
|
# 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"]))
|
|
|
|
#--------------------------------------------------------------------
|
|
# The statements below define a collection of symbols related to
|
|
# dynamic loading and shared libraries:
|
|
#
|
|
# DL_OBJS - Name of the object file that implements dynamic
|
|
# loading for Tcl on this system.
|
|
# DL_LIBS - Library file(s) to include in tclsh and other base
|
|
# applications in order for the "load" command to work.
|
|
# LD_FLAGS - Flags to pass to the compiler when linking object
|
|
# files into an executable application binary such
|
|
# as tclsh.
|
|
# LD_SEARCH_FLAGS-Flags to pass to ld, such as "-R /usr/local/tcl/lib",
|
|
# that tell the run-time dynamic linker where to look
|
|
# for shared libraries such as libtcl.so. Depends on
|
|
# the variable LIB_INSTALL_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 libtcl7.5.so or libtcl7.5.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}.
|
|
#--------------------------------------------------------------------
|
|
|
|
# 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
|
|
|
|
# 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: 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
|
|
system=unknown
|
|
fi
|
|
|
|
# Step 4: set configuration options based on system name and version.
|
|
|
|
fullSrcDir=`cd $srcdir; pwd`
|
|
AIX=no
|
|
TCL_SHARED_LIB_SUFFIX=""
|
|
TCL_UNSHARED_LIB_SUFFIX=""
|
|
TCL_LIB_VERSIONS_OK=ok
|
|
case $system in
|
|
AIX-*)
|
|
SHLIB_CFLAGS=""
|
|
SHLIB_LD="$fullSrcDir/ldAix /bin/ld -bhalt:4 -bM:SRE -bE:lib.exp -H512 -T512"
|
|
SHLIB_LD_LIBS='${LIBS}'
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadDl.o tclLoadAix.o"
|
|
DL_LIBS="-lld"
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS='-L${LIB_INSTALL_DIR}'
|
|
AC_DEFINE(NO_DLFCN_H)
|
|
AIX=yes
|
|
TCL_SHARED_LIB_SUFFIX='${VERSION}.a'
|
|
;;
|
|
HP-UX-*.08.*|HP-UX-*.09.*|HP-UX-*.10.*)
|
|
SHLIB_CFLAGS="+z"
|
|
SHLIB_LD="ld -b"
|
|
SHLIB_LD_LIBS='${LIBS}'
|
|
SHLIB_SUFFIX=".sl"
|
|
DL_OBJS="tclLoadShl.o"
|
|
DL_LIBS="-ldld"
|
|
LD_FLAGS="-Wl,-E"
|
|
LD_SEARCH_FLAGS='-Wl,+b,${LIB_INSTALL_DIR}:.'
|
|
;;
|
|
IRIX-4.*)
|
|
SHLIB_CFLAGS="-G 0"
|
|
SHLIB_SUFFIX="..o"
|
|
SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r -G 0"
|
|
SHLIB_LD_LIBS=""
|
|
DL_OBJS="tclLoadAout.o"
|
|
DL_LIBS=""
|
|
LD_FLAGS="-Wl,-D,08000000"
|
|
LD_SEARCH_FLAGS=""
|
|
;;
|
|
IRIX-5.*)
|
|
SHLIB_CFLAGS=""
|
|
SHLIB_LD="ld -shared -rdata_shared"
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadDl.o"
|
|
DL_LIBS=""
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_INSTALL_DIR}'
|
|
;;
|
|
Linux*)
|
|
SHLIB_CFLAGS="-fPIC"
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
if test "$have_dl" = yes; then
|
|
SHLIB_LD="${CC} -shared"
|
|
DL_OBJS="tclLoadDl.o"
|
|
DL_LIBS="-ldl"
|
|
LD_FLAGS="-rdynamic"
|
|
LD_SEARCH_FLAGS=""
|
|
else
|
|
AC_CHECK_HEADER(dld.h, [
|
|
SHLIB_LD="ld -shared"
|
|
DL_OBJS="tclLoadDld.o"
|
|
DL_LIBS="-ldld"
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS=""])
|
|
fi
|
|
;;
|
|
MP-RAS-02*)
|
|
SHLIB_CFLAGS="-K PIC"
|
|
SHLIB_LD="cc -G"
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadDl.o"
|
|
DL_LIBS="-ldl"
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS=""
|
|
;;
|
|
MP-RAS-*)
|
|
SHLIB_CFLAGS="-K PIC"
|
|
SHLIB_LD="cc -G"
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadDl.o"
|
|
DL_LIBS="-ldl"
|
|
LD_FLAGS="-Wl,-Bexport"
|
|
LD_SEARCH_FLAGS=""
|
|
;;
|
|
NetBSD-*|FreeBSD-*)
|
|
# Not available on all versions: check for include file.
|
|
AC_CHECK_HEADER(dlfcn.h, [
|
|
SHLIB_CFLAGS="-fpic"
|
|
SHLIB_LD="ld -Bshareable"
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadDl2.o"
|
|
DL_LIBS=""
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS=""
|
|
], [
|
|
SHLIB_CFLAGS=""
|
|
SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r -G 0"
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX="..o"
|
|
DL_OBJS="tclLoadAout.o"
|
|
DL_LIBS=""
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS=""
|
|
])
|
|
|
|
# FreeBSD doesn't handle version numbers with dots. Also, have to
|
|
# append a dummy version number to .so file names.
|
|
|
|
TCL_SHARED_LIB_SUFFIX='`echo ${VERSION} | tr -d .`.so.1.0'
|
|
TCL_UNSHARED_LIB_SUFFIX='`echo ${VERSION} | tr -d .`.a'
|
|
TCL_LIB_VERSIONS_OK=nodots
|
|
;;
|
|
NEXTSTEP-*)
|
|
SHLIB_CFLAGS=""
|
|
SHLIB_LD="cc -nostdlib -r"
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadNext.o"
|
|
DL_LIBS=""
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS=""
|
|
;;
|
|
OSF1-1.[012])
|
|
# OSF/1 1.[012] from OSF, and derivatives, including Paragon OSF/1
|
|
SHLIB_CFLAGS=""
|
|
# Hack: make package name same as library name
|
|
SHLIB_LD='ld -R -export $@:'
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadOSF.o"
|
|
DL_LIBS=""
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS=""
|
|
;;
|
|
OSF1-1.*)
|
|
# OSF/1 1.3 from OSF using ELF, and derivatives, including AD2
|
|
SHLIB_CFLAGS="-fpic"
|
|
SHLIB_LD="ld -shared"
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadDl.o"
|
|
DL_LIBS=""
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS=""
|
|
;;
|
|
OSF1-V*)
|
|
# Digital OSF/1
|
|
SHLIB_CFLAGS=""
|
|
SHLIB_LD='ld -shared -expect_unresolved "*"'
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadDl.o"
|
|
DL_LIBS=""
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_INSTALL_DIR}'
|
|
;;
|
|
RISCos-*)
|
|
SHLIB_CFLAGS="-G 0"
|
|
SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r -G 0"
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX="..o"
|
|
DL_OBJS="tclLoadAout.o"
|
|
DL_LIBS=""
|
|
LD_FLAGS="-Wl,-D,08000000"
|
|
LD_SEARCH_FLAGS=""
|
|
;;
|
|
SCO_SV-3.2*)
|
|
# Note, dlopen is available only on SCO 3.2.5 and greater. However,
|
|
# this test works, since "uname -s" was non-standard in 3.2.4 and
|
|
# below.
|
|
SHLIB_CFLAGS="-Kpic -belf"
|
|
SHLIB_LD="ld -G"
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadDl.o"
|
|
DL_LIBS=""
|
|
LD_FLAGS="-belf -Wl,-Bexport"
|
|
LD_SEARCH_FLAGS=""
|
|
;;
|
|
SINIX*5.4*)
|
|
SHLIB_CFLAGS="-K PIC"
|
|
SHLIB_LD="cc -G"
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadDl.o"
|
|
DL_LIBS="-ldl"
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS=""
|
|
;;
|
|
SunOS-4*)
|
|
SHLIB_CFLAGS="-PIC"
|
|
SHLIB_LD="ld"
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadDl.o"
|
|
DL_LIBS="-ldl"
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS='-L${LIB_INSTALL_DIR}'
|
|
|
|
# SunOS can't handle version numbers with dots in them in library
|
|
# specs, like -ltcl7.5, so use -ltcl75 instead. Also, it
|
|
# requires an extra version number at the end of .so file names.
|
|
# So, the library has to have a name like libtcl75.so.1.0
|
|
|
|
TCL_SHARED_LIB_SUFFIX='`echo ${VERSION} | tr -d .`.so.1.0'
|
|
TCL_UNSHARED_LIB_SUFFIX='`echo ${VERSION} | tr -d .`.a'
|
|
TCL_LIB_VERSIONS_OK=nodots
|
|
;;
|
|
SunOS-5*)
|
|
SHLIB_CFLAGS="-K PIC"
|
|
SHLIB_LD="/usr/ccs/bin/ld -G -z text"
|
|
SHLIB_LD_LIBS='${LIBS}'
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadDl.o"
|
|
DL_LIBS="-ldl"
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS='-R ${LIB_INSTALL_DIR}'
|
|
;;
|
|
ULTRIX-4.*)
|
|
SHLIB_CFLAGS="-G 0"
|
|
SHLIB_SUFFIX="..o"
|
|
SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r -G 0"
|
|
SHLIB_LD_LIBS=""
|
|
DL_OBJS="tclLoadAout.o"
|
|
DL_LIBS=""
|
|
LD_FLAGS="-Wl,-D,08000000"
|
|
LD_SEARCH_FLAGS=""
|
|
;;
|
|
UNIX_SV*)
|
|
SHLIB_CFLAGS="-K PIC"
|
|
SHLIB_LD="cc -G"
|
|
SHLIB_LD_LIBS=""
|
|
SHLIB_SUFFIX=".so"
|
|
DL_OBJS="tclLoadDl.o"
|
|
DL_LIBS="-ldl"
|
|
LD_FLAGS="-Wl,-Bexport"
|
|
LD_SEARCH_FLAGS=""
|
|
;;
|
|
esac
|
|
|
|
# If pseudo-static linking is in use (see K. B. Kenny, "Dynamic Loading for
|
|
# Tcl -- What Became of It?". Proc. 2nd Tcl/Tk Workshop, New Orleans, LA,
|
|
# Computerized Processes Unlimited, 1994), then we need to determine which
|
|
# of several header files defines the a.out file format (a.out.h, sys/exec.h,
|
|
# or sys/exec_aout.h). At present, we support only a file format that
|
|
# is more or less version-7-compatible. In particular,
|
|
# - a.out files must begin with `struct exec'.
|
|
# - the N_TXTOFF on the `struct exec' must compute the seek address
|
|
# of the text segment
|
|
# - The `struct exec' must contain a_magic, a_text, a_data, a_bss
|
|
# and a_entry fields.
|
|
# The following compilation should succeed if and only if either sys/exec.h
|
|
# or a.out.h is usable for the purpose.
|
|
#
|
|
# Note that the modified COFF format used on MIPS Ultrix 4.x is usable; the
|
|
# `struct exec' includes a second header that contains information that
|
|
# duplicates the v7 fields that are needed.
|
|
|
|
if test "x$DL_OBJS" = "xtclLoadAout.o" ; then
|
|
AC_MSG_CHECKING(sys/exec.h)
|
|
AC_TRY_COMPILE([#include <sys/exec.h>],[
|
|
struct exec foo;
|
|
unsigned long seek;
|
|
int flag;
|
|
#if defined(__mips) || defined(mips)
|
|
seek = N_TXTOFF (foo.ex_f, foo.ex_o);
|
|
#else
|
|
seek = N_TXTOFF (foo);
|
|
#endif
|
|
flag = (foo.a_magic == OMAGIC);
|
|
return foo.a_text + foo.a_data + foo.a_bss + foo.a_entry;
|
|
], tcl_ok=usable, tcl_ok=unusable)
|
|
AC_MSG_RESULT($tcl_ok)
|
|
if test $tcl_ok = usable; then
|
|
AC_DEFINE(USE_SYS_EXEC_H)
|
|
else
|
|
AC_MSG_CHECKING(a.out.h)
|
|
AC_TRY_COMPILE([#include <a.out.h>],[
|
|
struct exec foo;
|
|
unsigned long seek;
|
|
int flag;
|
|
#if defined(__mips) || defined(mips)
|
|
seek = N_TXTOFF (foo.ex_f, foo.ex_o);
|
|
#else
|
|
seek = N_TXTOFF (foo);
|
|
#endif
|
|
flag = (foo.a_magic == OMAGIC);
|
|
return foo.a_text + foo.a_data + foo.a_bss + foo.a_entry;
|
|
], tcl_ok=usable, tcl_ok=unusable)
|
|
AC_MSG_RESULT($tcl_ok)
|
|
if test $tcl_ok = usable; then
|
|
AC_DEFINE(USE_A_OUT_H)
|
|
else
|
|
AC_MSG_CHECKING(sys/exec_aout.h)
|
|
AC_TRY_COMPILE([#include <sys/exec_aout.h>],[
|
|
struct exec foo;
|
|
unsigned long seek;
|
|
int flag;
|
|
#if defined(__mips) || defined(mips)
|
|
seek = N_TXTOFF (foo.ex_f, foo.ex_o);
|
|
#else
|
|
seek = N_TXTOFF (foo);
|
|
#endif
|
|
flag = (foo.a_midmag == OMAGIC);
|
|
return foo.a_text + foo.a_data + foo.a_bss + foo.a_entry;
|
|
], tcl_ok=usable, tcl_ok=unusable)
|
|
AC_MSG_RESULT($tcl_ok)
|
|
if test $tcl_ok = usable; then
|
|
AC_DEFINE(USE_SYS_EXEC_AOUT_H)
|
|
else
|
|
DL_OBJS=""
|
|
fi
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
if test "x$DL_OBJS" != "x" ; then
|
|
BUILD_DLTEST="\$(DLTEST_TARGETS)"
|
|
else
|
|
echo "Can't figure out how to do dynamic loading or shared libraries"
|
|
echo "on this system."
|
|
SHLIB_CFLAGS=""
|
|
SHLIB_LD=""
|
|
SHLIB_SUFFIX=""
|
|
DL_OBJS="tclLoadNone.o"
|
|
DL_LIBS=""
|
|
LD_FLAGS=""
|
|
LD_SEARCH_FLAGS=""
|
|
BUILD_DLTEST=""
|
|
fi
|
|
|
|
# If we're running gcc, then change the C flags for compiling shared
|
|
# libraries to the right flags for gcc, instead of those for the
|
|
# standard manufacturer compiler.
|
|
|
|
if test "$DL_OBJS" != "tclLoadNone.o" ; then
|
|
if test "$CC" = "gcc" -o `$CC -v 2>&1 | grep -c gcc` != "0" ; then
|
|
SHLIB_CFLAGS="-fPIC"
|
|
fi
|
|
fi
|
|
|
|
#--------------------------------------------------------------------
|
|
# The statements below define a collection of symbols related to
|
|
# building libtcl as a shared library instead of a static library.
|
|
#--------------------------------------------------------------------
|
|
|
|
realRanlib=$RANLIB
|
|
if test "$TCL_SHARED_LIB_SUFFIX" = "" ; then
|
|
TCL_SHARED_LIB_SUFFIX='${VERSION}${SHLIB_SUFFIX}'
|
|
fi
|
|
if test "$TCL_UNSHARED_LIB_SUFFIX" = "" ; then
|
|
TCL_UNSHARED_LIB_SUFFIX='${VERSION}.a'
|
|
fi
|
|
AC_ARG_ENABLE(shared,
|
|
[ --enable-shared build libtcl as a shared library],
|
|
[tcl_ok=$enableval], [tcl_ok=no])
|
|
if test "$tcl_ok" = "yes" -a "${SHLIB_SUFFIX}" != "" \
|
|
-a "${DL_OBJS}" != "tclLoadAout.o" ; then
|
|
TCL_SHLIB_CFLAGS="${SHLIB_CFLAGS}"
|
|
TCL_LD_SEARCH_FLAGS="${LD_SEARCH_FLAGS}"
|
|
eval "TCL_LIB_FILE=libtcl${TCL_SHARED_LIB_SUFFIX}"
|
|
MAKE_LIB="\${SHLIB_LD} -o ${TCL_LIB_FILE} \${OBJS} ${SHLIB_LD_LIBS}"
|
|
RANLIB=":"
|
|
else
|
|
if test "$AIX" = "no" ; then
|
|
SHLIB_LD_LIBS=""
|
|
fi
|
|
TCL_SHLIB_CFLAGS=""
|
|
TCL_LD_SEARCH_FLAGS=""
|
|
eval "TCL_LIB_FILE=libtcl${TCL_UNSHARED_LIB_SUFFIX}"
|
|
MAKE_LIB="ar cr ${TCL_LIB_FILE} \${OBJS}"
|
|
fi
|
|
|
|
# Note: in the following variable, it's important to use the absolute
|
|
# path name of the Tcl directory rather than "..": this is because
|
|
# AIX remembers this path and will attempt to use it at run-time to look
|
|
# up the Tcl library.
|
|
|
|
if test "${TCL_LIB_VERSIONS_OK}" = "ok"; then
|
|
TCL_BUILD_LIB_SPEC="-L`pwd` -ltcl${VERSION}"
|
|
TCL_LIB_SPEC="-L${exec_prefix}/lib -ltcl${VERSION}"
|
|
else
|
|
TCL_BUILD_LIB_SPEC="-L`pwd` -ltcl`echo ${VERSION} | tr -d .`"
|
|
TCL_LIB_SPEC="-L${exec_prefix}/lib -ltcl`echo ${VERSION} | tr -d .`"
|
|
fi
|
|
|
|
AC_SUBST(BUILD_DLTEST)
|
|
AC_SUBST(DL_LIBS)
|
|
AC_SUBST(DL_OBJS)
|
|
AC_SUBST(LD_FLAGS)
|
|
AC_SUBST(MAKE_LIB)
|
|
AC_SUBST(MATH_LIBS)
|
|
AC_SUBST(SHLIB_CFLAGS)
|
|
AC_SUBST(SHLIB_LD)
|
|
AC_SUBST(SHLIB_LD_LIBS)
|
|
AC_SUBST(SHLIB_SUFFIX)
|
|
AC_SUBST(TCL_BUILD_LIB_SPEC)
|
|
AC_SUBST(TCL_LD_SEARCH_FLAGS)
|
|
AC_SUBST(TCL_LIB_FILE)
|
|
AC_SUBST(TCL_LIB_SPEC)
|
|
AC_SUBST(TCL_LIB_VERSIONS_OK)
|
|
AC_SUBST(TCL_MAJOR_VERSION)
|
|
AC_SUBST(TCL_MINOR_VERSION)
|
|
AC_SUBST(TCL_SHARED_LIB_SUFFIX)
|
|
AC_SUBST(TCL_SHLIB_CFLAGS)
|
|
AC_SUBST(TCL_UNSHARED_LIB_SUFFIX)
|
|
AC_SUBST(TCL_VERSION)
|
|
|
|
AC_OUTPUT(Makefile tclConfig.sh)
|