--- parser3/src/lib/ltdl/Attic/configure.in 2003/01/10 17:08:17 1.3 +++ parser3/src/lib/ltdl/Attic/configure.in 2003/01/13 15:26:14 1.4 @@ -2,19 +2,9 @@ dnl Process this file with autoconf to c AC_INIT(ltdl.c) - enable_ltdl_install=yes - -AM_INIT_AUTOMAKE(libltdl,1.0,-) - -AH_TEMPLATE([HAVE_DLD], - [Define if you have the GNU dld library]) - -AH_TEMPLATE([HAVE_LIBDL], - [Define if you have the libdl library or equivalent.]) - -AH_TEMPLATE([HAVE_SHL_LOAD], - [Define if you have the shl_load function. ]) +AC_CONFIG_AUX_DIR(../../..) +AM_INIT_AUTOMAKE(libltdl,1.2,-) AM_CONFIG_HEADER(config_auto.h) AM_MAINTAINER_MODE @@ -22,341 +12,12 @@ AC_PROG_CC AC_C_CONST AC_C_INLINE -dnl Checks for programs. -AC_PROG_RANLIB - -AC_CACHE_CHECK([which extension is used for shared libraries], - libltdl_cv_shlibext, [dnl -( - last= - for spec in $library_names_spec; do - last="$spec" - done -changequote(, ) - echo "$last" | sed 's/\[.*\]//;s/^[^.]*//;s/\$.*$//;s/\.$//' > conftest -changequote([, ]) -) -libltdl_cv_shlibext=`cat conftest` -rm -f conftest -]) -if test -n "$libltdl_cv_shlibext"; then - AC_DEFINE_UNQUOTED(LTDL_SHLIB_EXT, "$libltdl_cv_shlibext", - [Define to the extension used for shared libraries, say, ".so". ]) -fi - -AC_CACHE_CHECK([which variable specifies run-time library path], - libltdl_cv_shlibpath_var, [libltdl_cv_shlibpath_var="$shlibpath_var"]) -if test -n "$libltdl_cv_shlibpath_var"; then - AC_DEFINE_UNQUOTED(LTDL_SHLIBPATH_VAR, "$libltdl_cv_shlibpath_var", - [Define to the name of the environment variable that determines the dynamic library search path. ]) -fi - -AC_CACHE_CHECK([for objdir], - libltdl_cv_objdir, [libltdl_cv_objdir="$objdir"]) -test -z "$libltdl_cv_objdir" && libltdl_cv_objdir=".libs" -AC_DEFINE_UNQUOTED(LTDL_OBJDIR, "$libltdl_cv_objdir/", - [Define to the sub-directory in which libtool stores uninstalled libraries. ]) - -AC_HEADER_STDC -AC_CHECK_HEADERS(malloc.h memory.h stdlib.h stdio.h ctype.h dlfcn.h dl.h dld.h) -AC_CHECK_HEADERS(string.h strings.h, break) -AC_CHECK_FUNCS(strchr index, break) -AC_CHECK_FUNCS(strrchr rindex, break) - -AC_CACHE_CHECK([whether libtool supports -dlopen/-dlpreopen], - libltdl_cv_preloaded_symbols, [dnl - if test -n "$global_symbol_pipe"; then - libltdl_cv_preloaded_symbols=yes - else - libltdl_cv_preloaded_symbols=no - fi -]) -if test x"$libltdl_cv_preloaded_symbols" = x"yes"; then - AC_DEFINE(HAVE_PRELOADED_SYMBOLS, 1, - [Define if libtool can extract symbol lists from object files. ]) -fi - -LIBADD_DL= -AC_CHECK_LIB(dl, dlopen, [AC_DEFINE(HAVE_LIBDL, 1) LIBADD_DL="-ldl"], -[AC_CHECK_FUNC(dlopen, [AC_DEFINE(HAVE_LIBDL, 1)])]) -AC_CHECK_FUNC(shl_load, [AC_DEFINE(HAVE_SHL_LOAD, 1)], -[AC_CHECK_LIB(dld, shl_load, [AC_DEFINE(HAVE_SHL_LOAD, 1) LIBADD_DL="$LIBADD_DL -ldld"])]) -AC_CHECK_LIB(dld, dld_link, [AC_DEFINE(HAVE_DLD, 1)dnl -test "x$ac_cv_lib_dld_shl_load" = yes || LIBADD_DL="$LIBADD_DL -ldld"]) -AC_SUBST(LIBADD_DL) - -if test "x$ac_cv_func_dlopen" = xyes || test "x$ac_cv_lib_dl_dlopen" = xyes; then - LIBS_SAVE="$LIBS" - LIBS="$LIBS $LIBADD_DL" - AC_CHECK_FUNCS(dlerror) - LIBS="$LIBS_SAVE" -fi - -dnl Check for command to grab the raw symbol name followed -dnl by C symbol name from nm. -AC_CANONICAL_HOST -AC_PROG_NM -# 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.$ac_objext conftstm.$ac_objext - ac_save_LIBS="$LIBS" - ac_save_CFLAGS="$CFLAGS" - LIBS="conftstm.$ac_objext" - CFLAGS="$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* conftst* - - # 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) - -dnl does the compiler prefix global symbols with an underscore? -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) - -if test x"$ac_cv_sys_symbol_underscore" = xyes; then - if test x"$ac_cv_func_dlopen" = xyes || - test x"$ac_cv_lib_dl_dlopen" = xyes ; then - AC_CACHE_CHECK([whether we have to add an underscore for dlsym], - libltdl_cv_need_uscore, [dnl - AC_TRY_RUN([ -#if HAVE_DLFCN_H -#include -#endif - -#include - -#ifdef RTLD_GLOBAL -# define LTDL_GLOBAL RTLD_GLOBAL -#else -# ifdef DL_GLOBAL -# define LTDL_GLOBAL DL_GLOBAL -# else -# define LTDL_GLOBAL 0 -# endif -#endif - -/* We may have to define LTDL_LAZY_OR_NOW in the command line if we - find out it does not work in some platform. */ -#ifndef LTDL_LAZY_OR_NOW -# ifdef RTLD_LAZY -# define LTDL_LAZY_OR_NOW RTLD_LAZY -# else -# ifdef DL_LAZY -# define LTDL_LAZY_OR_NOW DL_LAZY -# else -# ifdef RTLD_NOW -# define LTDL_LAZY_OR_NOW RTLD_NOW -# else -# ifdef DL_NOW -# define LTDL_LAZY_OR_NOW DL_NOW -# else -# define LTDL_LAZY_OR_NOW 0 -# endif -# endif -# endif -# endif -#endif - -fnord() { int i=42;} -main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW); - if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord"); - if(ptr1 && !ptr2) { dlclose(self); exit(0); } } exit(1); } -], libltdl_cv_need_uscore=no, libltdl_cv_need_uscore=yes, - libltdl_cv_need_uscore=cross -)]) - fi -fi - -if test x"$libltdl_cv_need_uscore" = xyes; then - AC_DEFINE(NEED_USCORE, 1, - [Define if dlsym() requires a leading underscode in symbol names. ]) -fi +AC_DISABLE_SHARED +AC_PROG_LIBTOOL +AC_LIB_LTDL -dnl [PAF: DO NOT, do that in /configure.in, effectively unlinking from libtool] Output the makefile -dnl [PAF] AC_OUTPUT(Makefile) -dnl [PAF:] -AC_OUTPUT +dnl Output the makefile +AC_OUTPUT(Makefile) # Local Variables: # mode:shell-script