| dnl aclocal.m4 generated automatically by aclocal 1.4 |
| |
| dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc. |
| dnl This file is free software; the Free Software Foundation |
| dnl gives unlimited permission to copy and/or distribute it, |
| dnl with or without modifications, as long as this notice is preserved. |
| |
| dnl This program is distributed in the hope that it will be useful, |
| dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without |
| dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A |
| dnl PARTICULAR PURPOSE. |
| |
| # FIXME: We temporarily define our own version of AC_PROG_CC. This is |
| # copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We |
| # are probably using a cross compiler, which will not be able to fully |
| # link an executable. This should really be fixed in autoconf |
| # itself. |
| |
| AC_DEFUN(LIB_AC_PROG_CC, |
| [AC_BEFORE([$0], [AC_PROG_CPP])dnl |
| dnl Fool anybody using AC_PROG_CC. |
| AC_PROVIDE([AC_PROG_CC]) |
| AC_CHECK_PROG(CC, gcc, gcc) |
| if test -z "$CC"; then |
| AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc) |
| test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH]) |
| fi |
| |
| AC_PROG_CC_GNU |
| |
| if test $ac_cv_prog_gcc = yes; then |
| GCC=yes |
| dnl Check whether -g works, even if CFLAGS is set, in case the package |
| dnl plays around with CFLAGS (such as to build both debugging and |
| dnl normal versions of a library), tasteless as that idea is. |
| ac_test_CFLAGS="${CFLAGS+set}" |
| ac_save_CFLAGS="$CFLAGS" |
| CFLAGS= |
| AC_PROG_CC_G |
| if test "$ac_test_CFLAGS" = set; then |
| CFLAGS="$ac_save_CFLAGS" |
| elif test $ac_cv_prog_cc_g = yes; then |
| CFLAGS="-g -O2" |
| else |
| CFLAGS="-O2" |
| fi |
| else |
| GCC= |
| test "${CFLAGS+set}" = set || CFLAGS="-g" |
| fi |
| ]) |
| |
| # Do all the work for Automake. This macro actually does too much -- |
| # some checks are only needed if your package does certain things. |
| # But this isn't really a big deal. |
| |
| # serial 1 |
| |
| dnl Usage: |
| dnl AM_INIT_AUTOMAKE(package,version, [no-define]) |
| |
| AC_DEFUN(AM_INIT_AUTOMAKE, |
| [AC_REQUIRE([AC_PROG_INSTALL]) |
| PACKAGE=[$1] |
| AC_SUBST(PACKAGE) |
| VERSION=[$2] |
| AC_SUBST(VERSION) |
| dnl test to see if srcdir already configured |
| if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then |
| AC_MSG_ERROR([source directory already configured; run "make distclean" there first]) |
| fi |
| ifelse([$3],, |
| AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package]) |
| AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])) |
| AC_REQUIRE([AM_SANITY_CHECK]) |
| AC_REQUIRE([AC_ARG_PROGRAM]) |
| dnl FIXME This is truly gross. |
| missing_dir=`cd $ac_aux_dir && pwd` |
| AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir) |
| AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir) |
| AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir) |
| AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir) |
| AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir) |
| AC_REQUIRE([AC_PROG_MAKE_SET])]) |
| |
| # |
| # Check to make sure that the build environment is sane. |
| # |
| |
| AC_DEFUN(AM_SANITY_CHECK, |
| [AC_MSG_CHECKING([whether build environment is sane]) |
| # Just in case |
| sleep 1 |
| echo timestamp > conftestfile |
| # Do `set' in a subshell so we don't clobber the current shell's |
| # arguments. Must try -L first in case configure is actually a |
| # symlink; some systems play weird games with the mod time of symlinks |
| # (eg FreeBSD returns the mod time of the symlink's containing |
| # directory). |
| if ( |
| set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null` |
| if test "[$]*" = "X"; then |
| # -L didn't work. |
| set X `ls -t $srcdir/configure conftestfile` |
| fi |
| if test "[$]*" != "X $srcdir/configure conftestfile" \ |
| && test "[$]*" != "X conftestfile $srcdir/configure"; then |
| |
| # If neither matched, then we have a broken ls. This can happen |
| # if, for instance, CONFIG_SHELL is bash and it inherits a |
| # broken ls alias from the environment. This has actually |
| # happened. Such a system could not be considered "sane". |
| AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken |
| alias in your environment]) |
| fi |
| |
| test "[$]2" = conftestfile |
| ) |
| then |
| # Ok. |
| : |
| else |
| AC_MSG_ERROR([newly created file is older than distributed files! |
| Check your system clock]) |
| fi |
| rm -f conftest* |
| AC_MSG_RESULT(yes)]) |
| |
| dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY) |
| dnl The program must properly implement --version. |
| AC_DEFUN(AM_MISSING_PROG, |
| [AC_MSG_CHECKING(for working $2) |
| # Run test in a subshell; some versions of sh will print an error if |
| # an executable is not found, even if stderr is redirected. |
| # Redirect stdin to placate older versions of autoconf. Sigh. |
| if ($2 --version) < /dev/null > /dev/null 2>&1; then |
| $1=$2 |
| AC_MSG_RESULT(found) |
| else |
| $1="$3/missing $2" |
| AC_MSG_RESULT(missing) |
| fi |
| AC_SUBST($1)]) |
| |
| # Add --enable-maintainer-mode option to configure. |
| # From Jim Meyering |
| |
| # serial 1 |
| |
| AC_DEFUN(AM_MAINTAINER_MODE, |
| [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) |
| dnl maintainer-mode is disabled by default |
| AC_ARG_ENABLE(maintainer-mode, |
| [ --enable-maintainer-mode enable make rules and dependencies not useful |
| (and sometimes confusing) to the casual installer], |
| USE_MAINTAINER_MODE=$enableval, |
| USE_MAINTAINER_MODE=no) |
| AC_MSG_RESULT($USE_MAINTAINER_MODE) |
| AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes) |
| MAINT=$MAINTAINER_MODE_TRUE |
| AC_SUBST(MAINT)dnl |
| ] |
| ) |
| |
| # Define a conditional. |
| |
| AC_DEFUN(AM_CONDITIONAL, |
| [AC_SUBST($1_TRUE) |
| AC_SUBST($1_FALSE) |
| if $2; then |
| $1_TRUE= |
| $1_FALSE='#' |
| else |
| $1_TRUE='#' |
| $1_FALSE= |
| fi]) |
| |
| |
| # serial 35 AC_PROG_LIBTOOL |
| AC_DEFUN(AC_PROG_LIBTOOL, |
| [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl |
| |
| # Save cache, so that ltconfig can load it |
| AC_CACHE_SAVE |
| |
| # Actually configure libtool. ac_aux_dir is where install-sh is found. |
| CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \ |
| LD="$LD" NM="$NM" RANLIB="$RANLIB" LN_S="$LN_S" \ |
| DLLTOOL="$DLLTOOL" AS="$AS" \ |
| ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \ |
| $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \ |
| || AC_MSG_ERROR([libtool configure failed]) |
| |
| # Reload cache, that may have been modified by ltconfig |
| AC_CACHE_LOAD |
| |
| # This can be used to rebuild libtool when needed |
| LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh" |
| |
| # Always use our own libtool. |
| LIBTOOL='$(SHELL) $(top_builddir)/libtool' |
| AC_SUBST(LIBTOOL)dnl |
| |
| # Redirect the config.log output again, so that the ltconfig log is not |
| # clobbered by the next message. |
| exec 5>>./config.log |
| ]) |
| |
| AC_DEFUN(AC_LIBTOOL_SETUP, |
| [AC_PREREQ(2.13)dnl |
| AC_REQUIRE([AC_ENABLE_SHARED])dnl |
| AC_REQUIRE([AC_ENABLE_STATIC])dnl |
| AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl |
| AC_REQUIRE([AC_CANONICAL_HOST])dnl |
| AC_REQUIRE([AC_CANONICAL_BUILD])dnl |
| AC_REQUIRE([AC_PROG_RANLIB])dnl |
| AC_REQUIRE([AC_PROG_CC])dnl |
| AC_REQUIRE([AC_PROG_LD])dnl |
| AC_REQUIRE([AC_PROG_NM])dnl |
| AC_REQUIRE([AC_SYS_NM_PARSE])dnl |
| AC_REQUIRE([AC_SYS_SYMBOL_UNDERSCORE])dnl |
| AC_REQUIRE([AC_PROG_LN_S])dnl |
| dnl |
| |
| # Check for any special flags to pass to ltconfig. |
| libtool_flags="--cache-file=$cache_file" |
| test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared" |
| test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static" |
| test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install" |
| test "$lt_dlopen" = yes && libtool_flags="$libtool_flags --enable-dlopen" |
| test "$silent" = yes && libtool_flags="$libtool_flags --silent" |
| test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc" |
| test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld" |
| |
| # Some flags need to be propagated to the compiler or linker for good |
| # libtool support. |
| case "$host" in |
| *-*-irix6*) |
| # Find out which ABI we are using. |
| echo '[#]line __oline__ "configure"' > conftest.$ac_ext |
| if AC_TRY_EVAL(ac_compile); then |
| case "`/usr/bin/file conftest.o`" in |
| *32-bit*) |
| LD="${LD-ld} -32" |
| ;; |
| *N32*) |
| LD="${LD-ld} -n32" |
| ;; |
| *64-bit*) |
| LD="${LD-ld} -64" |
| ;; |
| esac |
| fi |
| rm -rf conftest* |
| ;; |
| |
| *-*-sco3.2v5*) |
| # On SCO OpenServer 5, we need -belf to get full-featured binaries. |
| SAVE_CFLAGS="$CFLAGS" |
| CFLAGS="$CFLAGS -belf" |
| AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf, |
| [AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])]) |
| if test x"$lt_cv_cc_needs_belf" != x"yes"; then |
| # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf |
| CFLAGS="$SAVE_CFLAGS" |
| fi |
| ;; |
| |
| *-*-cygwin*) |
| AC_SYS_LIBTOOL_CYGWIN |
| ;; |
| |
| esac |
| |
| # enable the --disable-libtool-lock switch |
| |
| AC_ARG_ENABLE(libtool-lock, |
| [ --disable-libtool-lock force libtool not to do file locking], |
| need_locks=$enableval, |
| need_locks=yes) |
| |
| if test x"$need_locks" = xno; then |
| libtool_flags="$libtool_flags --disable-lock" |
| fi |
| ]) |
| |
| # AC_LIBTOOL_DLOPEN - check for dlopen support |
| AC_DEFUN(AC_LIBTOOL_DLOPEN, [lt_dlopen=yes]) |
| |
| # AC_ENABLE_SHARED - implement the --enable-shared flag |
| # Usage: AC_ENABLE_SHARED[(DEFAULT)] |
| # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to |
| # `yes'. |
| AC_DEFUN(AC_ENABLE_SHARED, |
| [define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl |
| AC_ARG_ENABLE(shared, |
| changequote(<<, >>)dnl |
| << --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT], |
| changequote([, ])dnl |
| [p=${PACKAGE-default} |
| case "$enableval" in |
| yes) enable_shared=yes ;; |
| no) enable_shared=no ;; |
| *) |
| enable_shared=no |
| # Look at the argument we got. We use all the common list separators. |
| IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," |
| for pkg in $enableval; do |
| if test "X$pkg" = "X$p"; then |
| enable_shared=yes |
| fi |
| done |
| IFS="$ac_save_ifs" |
| ;; |
| esac], |
| enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl |
| ]) |
| |
| # AC_DISABLE_SHARED - set the default shared flag to --disable-shared |
| AC_DEFUN(AC_DISABLE_SHARED, |
| [AC_ENABLE_SHARED(no)]) |
| |
| # AC_ENABLE_STATIC - implement the --enable-static flag |
| # Usage: AC_ENABLE_STATIC[(DEFAULT)] |
| # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to |
| # `yes'. |
| AC_DEFUN(AC_ENABLE_STATIC, |
| [define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl |
| AC_ARG_ENABLE(static, |
| changequote(<<, >>)dnl |
| << --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT], |
| changequote([, ])dnl |
| [p=${PACKAGE-default} |
| case "$enableval" in |
| yes) enable_static=yes ;; |
| no) enable_static=no ;; |
| *) |
| enable_static=no |
| # Look at the argument we got. We use all the common list separators. |
| IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," |
| for pkg in $enableval; do |
| if test "X$pkg" = "X$p"; then |
| enable_static=yes |
| fi |
| done |
| IFS="$ac_save_ifs" |
| ;; |
| esac], |
| enable_static=AC_ENABLE_STATIC_DEFAULT)dnl |
| ]) |
| |
| # AC_DISABLE_STATIC - set the default static flag to --disable-static |
| AC_DEFUN(AC_DISABLE_STATIC, |
| [AC_ENABLE_STATIC(no)]) |
| |
| |
| # AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag |
| # Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)] |
| # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to |
| # `yes'. |
| AC_DEFUN(AC_ENABLE_FAST_INSTALL, |
| [define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl |
| AC_ARG_ENABLE(fast-install, |
| changequote(<<, >>)dnl |
| << --enable-fast-install[=PKGS] optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT], |
| changequote([, ])dnl |
| [p=${PACKAGE-default} |
| case "$enableval" in |
| yes) enable_fast_install=yes ;; |
| no) enable_fast_install=no ;; |
| *) |
| enable_fast_install=no |
| # Look at the argument we got. We use all the common list separators. |
| IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," |
| for pkg in $enableval; do |
| if test "X$pkg" = "X$p"; then |
| enable_fast_install=yes |
| fi |
| done |
| IFS="$ac_save_ifs" |
| ;; |
| esac], |
| enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl |
| ]) |
| |
| # AC_ENABLE_FAST_INSTALL - set the default to --disable-fast-install |
| AC_DEFUN(AC_DISABLE_FAST_INSTALL, |
| [AC_ENABLE_FAST_INSTALL(no)]) |
| |
| |
| # AC_PROG_LD - find the path to the GNU or non-GNU linker |
| AC_DEFUN(AC_PROG_LD, |
| [AC_ARG_WITH(gnu-ld, |
| [ --with-gnu-ld assume the C compiler uses GNU ld [default=no]], |
| test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no) |
| AC_REQUIRE([AC_PROG_CC])dnl |
| AC_REQUIRE([AC_CANONICAL_HOST])dnl |
| AC_REQUIRE([AC_CANONICAL_BUILD])dnl |
| ac_prog=ld |
| if test "$ac_cv_prog_gcc" = yes; then |
| # Check if gcc -print-prog-name=ld gives a path. |
| AC_MSG_CHECKING([for ld used by GCC]) |
| ac_prog=`($CC -print-prog-name=ld) 2>&5` |
| case "$ac_prog" in |
| # Accept absolute paths. |
| changequote(,)dnl |
| /* | [A-Za-z]:[\\/]*) |
| re_direlt='/[^/][^/]*/\.\./' |
| changequote([,])dnl |
| # Canonicalize the path of ld |
| ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'` |
| while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do |
| ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"` |
| done |
| test -z "$LD" && LD="$ac_prog" |
| ;; |
| "") |
| # If it fails, then pretend we aren't using GCC. |
| ac_prog=ld |
| ;; |
| *) |
| # If it is relative, then search for the first ld in PATH. |
| with_gnu_ld=unknown |
| ;; |
| esac |
| elif test "$with_gnu_ld" = yes; then |
| AC_MSG_CHECKING([for GNU ld]) |
| else |
| AC_MSG_CHECKING([for non-GNU ld]) |
| fi |
| AC_CACHE_VAL(ac_cv_path_LD, |
| [if test -z "$LD"; then |
| IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" |
| for ac_dir in $PATH; do |
| test -z "$ac_dir" && ac_dir=. |
| if test -f "$ac_dir/$ac_prog"; then |
| ac_cv_path_LD="$ac_dir/$ac_prog" |
| # Check to see if the program is GNU ld. I'd rather use --version, |
| # but apparently some GNU ld's only accept -v. |
| # Break only if it was the GNU/non-GNU ld that we prefer. |
| if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then |
| test "$with_gnu_ld" != no && break |
| else |
| test "$with_gnu_ld" != yes && break |
| fi |
| fi |
| done |
| IFS="$ac_save_ifs" |
| else |
| ac_cv_path_LD="$LD" # Let the user override the test with a path. |
| fi]) |
| LD="$ac_cv_path_LD" |
| if test -n "$LD"; then |
| AC_MSG_RESULT($LD) |
| else |
| AC_MSG_RESULT(no) |
| fi |
| test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH]) |
| AC_SUBST(LD) |
| AC_PROG_LD_GNU |
| ]) |
| |
| AC_DEFUN(AC_PROG_LD_GNU, |
| [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld, |
| [# I'd rather use --version here, but apparently some GNU ld's only accept -v. |
| if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then |
| ac_cv_prog_gnu_ld=yes |
| else |
| ac_cv_prog_gnu_ld=no |
| fi]) |
| ]) |
| |
| # AC_PROG_NM - find the path to a BSD-compatible name lister |
| AC_DEFUN(AC_PROG_NM, |
| [AC_MSG_CHECKING([for BSD-compatible nm]) |
| AC_CACHE_VAL(ac_cv_path_NM, |
| [if test -n "$NM"; then |
| # Let the user override the test. |
| ac_cv_path_NM="$NM" |
| else |
| IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" |
| for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do |
| test -z "$ac_dir" && ac_dir=. |
| if test -f $ac_dir/nm; then |
| # Check to see if the nm accepts a BSD-compat flag. |
| # Adding the `sed 1q' prevents false positives on HP-UX, which says: |
| # nm: unknown option "B" ignored |
| if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then |
| ac_cv_path_NM="$ac_dir/nm -B" |
| break |
| elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then |
| ac_cv_path_NM="$ac_dir/nm -p" |
| break |
| else |
| ac_cv_path_NM=${ac_cv_path_NM="$ac_dir/nm"} # keep the first match, but |
| continue # so that we can try to find one that supports BSD flags |
| fi |
| fi |
| done |
| IFS="$ac_save_ifs" |
| test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm |
| fi]) |
| NM="$ac_cv_path_NM" |
| AC_MSG_RESULT([$NM]) |
| AC_SUBST(NM) |
| ]) |
| |
| # AC_SYS_NM_PARSE - Check for command to grab the raw symbol name followed |
| # by C symbol name from nm. |
| AC_DEFUN(AC_SYS_NM_PARSE, |
| [AC_REQUIRE([AC_CANONICAL_HOST])dnl |
| AC_REQUIRE([AC_PROG_NM])dnl |
| # Check for command to grab the raw symbol name followed by C symbol from nm. |
| AC_MSG_CHECKING([command to parse $NM output]) |
| AC_CACHE_VAL(ac_cv_sys_global_symbol_pipe, |
| [# These are sane defaults that work on at least a few old systems. |
| # {They come from Ultrix. What could be older than Ultrix?!! ;)} |
| |
| changequote(,)dnl |
| # Character class describing NM global symbol codes. |
| ac_symcode='[BCDEGRST]' |
| |
| # Regexp to match symbols that can be accessed directly from C. |
| ac_sympat='\([_A-Za-z][_A-Za-z0-9]*\)' |
| |
| # Transform the above into a raw symbol and a C symbol. |
| ac_symxfrm='\1 \2\3 \3' |
| |
| # Transform an extracted symbol line into a proper C declaration |
| ac_global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'" |
| |
| # Define system-specific variables. |
| case "$host_os" in |
| aix*) |
| ac_symcode='[BCDT]' |
| ;; |
| cygwin* | mingw*) |
| ac_symcode='[ABCDGISTW]' |
| ;; |
| hpux*) |
| ac_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'" |
| ;; |
| irix*) |
| ac_symcode='[BCDEGRST]' |
| ;; |
| solaris*) |
| ac_symcode='[BDT]' |
| ;; |
| esac |
| |
| # If we're using GNU nm, then use its standard symbol codes. |
| if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then |
| ac_symcode='[ABCDGISTW]' |
| fi |
| changequote([,])dnl |
| |
| # Try without a prefix undercore, then with it. |
| for ac_symprfx in "" "_"; do |
| |
| ac_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($ac_symcode\)[ ][ ]*\($ac_symprfx\)$ac_sympat$/$ac_symxfrm/p'" |
| |
| # Check to see that the pipe works correctly. |
| ac_pipe_works=no |
| rm -f conftest.$ac_ext |
| cat > conftest.$ac_ext <<EOF |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| char nm_test_var; |
| void nm_test_func(){} |
| #ifdef __cplusplus |
| } |
| #endif |
| int main(){nm_test_var='a';nm_test_func;return 0;} |
| EOF |
| |
| if AC_TRY_EVAL(ac_compile); then |
| # Now try to grab the symbols. |
| ac_nlist=conftest.nm |
| |
| if AC_TRY_EVAL(NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$ac_nlist"; then |
| |
| # Try sorting and uniquifying the output. |
| if sort "$ac_nlist" | uniq > "$ac_nlist"T; then |
| mv -f "$ac_nlist"T "$ac_nlist" |
| else |
| rm -f "$ac_nlist"T |
| fi |
| |
| # Make sure that we snagged all the symbols we need. |
| if egrep ' nm_test_var$' "$ac_nlist" >/dev/null; then |
| if egrep ' nm_test_func$' "$ac_nlist" >/dev/null; then |
| cat <<EOF > conftest.c |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| EOF |
| # Now generate the symbol file. |
| eval "$ac_global_symbol_to_cdecl"' < "$ac_nlist" >> conftest.c' |
| |
| cat <<EOF >> conftest.c |
| #if defined (__STDC__) && __STDC__ |
| # define lt_ptr_t void * |
| #else |
| # define lt_ptr_t char * |
| # define const |
| #endif |
| |
| /* The mapping between symbol names and symbols. */ |
| const struct { |
| const char *name; |
| lt_ptr_t address; |
| } |
| changequote(,)dnl |
| lt_preloaded_symbols[] = |
| changequote([,])dnl |
| { |
| EOF |
| sed 's/^. \(.*\) \(.*\)$/ {"\2", (lt_ptr_t) \&\2},/' < "$ac_nlist" >> conftest.c |
| cat <<\EOF >> conftest.c |
| {0, (lt_ptr_t) 0} |
| }; |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| EOF |
| # Now try linking the two files. |
| mv conftest.$ac_objext conftestm.$ac_objext |
| ac_save_LIBS="$LIBS" |
| ac_save_CFLAGS="$CFLAGS" |
| LIBS="conftestm.$ac_objext" |
| CFLAGS="$CFLAGS$no_builtin_flag" |
| if AC_TRY_EVAL(ac_link) && test -s conftest; then |
| ac_pipe_works=yes |
| else |
| echo "configure: failed program was:" >&AC_FD_CC |
| cat conftest.c >&AC_FD_CC |
| fi |
| LIBS="$ac_save_LIBS" |
| CFLAGS="$ac_save_CFLAGS" |
| else |
| echo "cannot find nm_test_func in $ac_nlist" >&AC_FD_CC |
| fi |
| else |
| echo "cannot find nm_test_var in $ac_nlist" >&AC_FD_CC |
| fi |
| else |
| echo "cannot run $ac_cv_sys_global_symbol_pipe" >&AC_FD_CC |
| fi |
| else |
| echo "$progname: failed program was:" >&AC_FD_CC |
| cat conftest.c >&AC_FD_CC |
| fi |
| rm -rf conftest* |
| |
| # Do not use the global_symbol_pipe unless it works. |
| if test "$ac_pipe_works" = yes; then |
| if test x"$ac_symprfx" = x"_"; then |
| ac_cv_sys_symbol_underscore=yes |
| else |
| ac_cv_sys_symbol_underscore=no |
| fi |
| break |
| else |
| ac_cv_sys_global_symbol_pipe= |
| fi |
| done |
| ]) |
| |
| ac_result=yes |
| if test -z "$ac_cv_sys_global_symbol_pipe"; then |
| ac_result=no |
| fi |
| AC_MSG_RESULT($ac_result) |
| ]) |
| |
| # AC_SYS_LIBTOOL_CYGWIN - find tools needed on cygwin |
| AC_DEFUN(AC_SYS_LIBTOOL_CYGWIN, |
| [AC_CHECK_TOOL(DLLTOOL, dlltool, false) |
| AC_CHECK_TOOL(AS, as, false) |
| ]) |
| |
| # AC_SYS_SYMBOL_UNDERSCORE - does the compiler prefix global symbols |
| # with an underscore? |
| AC_DEFUN(AC_SYS_SYMBOL_UNDERSCORE, |
| [AC_REQUIRE([AC_PROG_NM])dnl |
| AC_REQUIRE([AC_SYS_NM_PARSE])dnl |
| AC_MSG_CHECKING([for _ prefix in compiled symbols]) |
| AC_CACHE_VAL(ac_cv_sys_symbol_underscore, |
| [ac_cv_sys_symbol_underscore=no |
| cat > conftest.$ac_ext <<EOF |
| void nm_test_func(){} |
| int main(){nm_test_func;return 0;} |
| EOF |
| if AC_TRY_EVAL(ac_compile); then |
| # Now try to grab the symbols. |
| ac_nlist=conftest.nm |
| if AC_TRY_EVAL(NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$ac_nlist"; then |
| # See whether the symbols have a leading underscore. |
| if egrep '^. _nm_test_func' "$ac_nlist" >/dev/null; then |
| ac_cv_sys_symbol_underscore=yes |
| else |
| if egrep '^. nm_test_func ' "$ac_nlist" >/dev/null; then |
| : |
| else |
| echo "configure: cannot find nm_test_func in $ac_nlist" >&AC_FD_CC |
| fi |
| fi |
| else |
| echo "configure: cannot run $ac_cv_sys_global_symbol_pipe" >&AC_FD_CC |
| fi |
| else |
| echo "configure: failed program was:" >&AC_FD_CC |
| cat conftest.c >&AC_FD_CC |
| fi |
| rm -rf conftest* |
| ]) |
| AC_MSG_RESULT($ac_cv_sys_symbol_underscore) |
| USE_SYMBOL_UNDERSCORE=${ac_cv_sys_symbol_underscore=no} |
| AC_SUBST(USE_SYMBOL_UNDERSCORE)dnl |
| ]) |
| |
| # AC_CHECK_LIBM - check for math library |
| AC_DEFUN(AC_CHECK_LIBM, [ |
| AC_CHECK_LIB(mw, _mwvalidcheckl) |
| AC_CHECK_LIB(m, cos) |
| ]) |
| |
| # AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for |
| # the libltdl convenience library, adds --enable-ltdl-convenience to |
| # the configure arguments. Note that LIBLTDL is not AC_SUBSTed, nor |
| # is AC_CONFIG_SUBDIRS called. If DIR is not provided, it is assumed |
| # to be `${top_builddir}/libltdl'. Make sure you start DIR with |
| # '${top_builddir}/' (note the single quotes!) if your package is not |
| # flat, and, if you're not using automake, define top_builddir as |
| # appropriate in the Makefiles. |
| AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [ |
| case "$enable_ltdl_convenience" in |
| no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;; |
| "") enable_ltdl_convenience=yes |
| ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;; |
| esac |
| LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdlc.la |
| ]) |
| |
| # AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for |
| # the libltdl installable library, and adds --enable-ltdl-install to |
| # the configure arguments. Note that LIBLTDL is not AC_SUBSTed, nor |
| # is AC_CONFIG_SUBDIRS called. If DIR is not provided, it is assumed |
| # to be `${top_builddir}/libltdl'. Make sure you start DIR with |
| # '${top_builddir}/' (note the single quotes!) if your package is not |
| # flat, and, if you're not using automake, define top_builddir as |
| # appropriate in the Makefiles. |
| # In the future, this macro may have to be called after AC_PROG_LIBTOOL. |
| AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [ |
| AC_CHECK_LIB(ltdl, main, LIBLTDL="-lltdl", [ |
| case "$enable_ltdl_install" in |
| no) AC_MSG_WARN([libltdl not installed, but installation disabled]) ;; |
| "") enable_ltdl_install=yes |
| ac_configure_args="$ac_configure_args --enable-ltdl-install" ;; |
| esac |
| ]) |
| if test x"$enable_ltdl_install" != x"no"; then |
| LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdl.la |
| fi |
| ]) |
| |
| dnl old names |
| AC_DEFUN(AM_PROG_LIBTOOL, [indir([AC_PROG_LIBTOOL])])dnl |
| AC_DEFUN(AM_ENABLE_SHARED, [indir([AC_ENABLE_SHARED], $@)])dnl |
| AC_DEFUN(AM_ENABLE_STATIC, [indir([AC_ENABLE_STATIC], $@)])dnl |
| AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl |
| AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl |
| AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl |
| AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl |
| AC_DEFUN(AM_SYS_NM_PARSE, [indir([AC_SYS_NM_PARSE])])dnl |
| AC_DEFUN(AM_SYS_SYMBOL_UNDERSCORE, [indir([AC_SYS_SYMBOL_UNDERSCORE])])dnl |
| AC_DEFUN(AM_SYS_LIBTOOL_CYGWIN, [indir([AC_SYS_LIBTOOL_CYGWIN])])dnl |
| |