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. 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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 < $ac_nlist) && test -s "$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 "$ac_nlist"T fi # Make sure that we snagged all the symbols we need. if egrep ' nm_test_var$' "$ac_nlist" >/dev/null; then if egrep ' nm_test_func$' "$ac_nlist" >/dev/null; then cat < conftest.c #ifdef __cplusplus extern "C" { #endif EOF # Now generate the symbol file. eval "$ac_global_symbol_to_cdecl"' < "$ac_nlist" >> conftest.c' cat <> 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 < $ac_nlist) && test -s "$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