Index: bison/src/bison/2.4.1/bison-2.4.1-src/m4/lib-prefix.m4 |
=================================================================== |
--- bison/src/bison/2.4.1/bison-2.4.1-src/m4/lib-prefix.m4 (revision 0) |
+++ bison/src/bison/2.4.1/bison-2.4.1-src/m4/lib-prefix.m4 (revision 0) |
@@ -0,0 +1,221 @@ |
+# lib-prefix.m4 serial 6 (gettext-0.18) |
+dnl Copyright (C) 2001-2005, 2008 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 From Bruno Haible. |
+ |
+dnl AC_LIB_ARG_WITH is synonymous to AC_ARG_WITH in autoconf-2.13, and |
+dnl similar to AC_ARG_WITH in autoconf 2.52...2.57 except that is doesn't |
+dnl require excessive bracketing. |
+ifdef([AC_HELP_STRING], |
+[AC_DEFUN([AC_LIB_ARG_WITH], [AC_ARG_WITH([$1],[[$2]],[$3],[$4])])], |
+[AC_DEFUN([AC_][LIB_ARG_WITH], [AC_ARG_WITH([$1],[$2],[$3],[$4])])]) |
+ |
+dnl AC_LIB_PREFIX adds to the CPPFLAGS and LDFLAGS the flags that are needed |
+dnl to access previously installed libraries. The basic assumption is that |
+dnl a user will want packages to use other packages he previously installed |
+dnl with the same --prefix option. |
+dnl This macro is not needed if only AC_LIB_LINKFLAGS is used to locate |
+dnl libraries, but is otherwise very convenient. |
+AC_DEFUN([AC_LIB_PREFIX], |
+[ |
+ AC_BEFORE([$0], [AC_LIB_LINKFLAGS]) |
+ AC_REQUIRE([AC_PROG_CC]) |
+ AC_REQUIRE([AC_CANONICAL_HOST]) |
+ AC_REQUIRE([AC_LIB_PREPARE_MULTILIB]) |
+ AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) |
+ dnl By default, look in $includedir and $libdir. |
+ use_additional=yes |
+ AC_LIB_WITH_FINAL_PREFIX([ |
+ eval additional_includedir=\"$includedir\" |
+ eval additional_libdir=\"$libdir\" |
+ ]) |
+ AC_LIB_ARG_WITH([lib-prefix], |
+[ --with-lib-prefix[=DIR] search for libraries in DIR/include and DIR/lib |
+ --without-lib-prefix don't search for libraries in includedir and libdir], |
+[ |
+ if test "X$withval" = "Xno"; then |
+ use_additional=no |
+ else |
+ if test "X$withval" = "X"; then |
+ AC_LIB_WITH_FINAL_PREFIX([ |
+ eval additional_includedir=\"$includedir\" |
+ eval additional_libdir=\"$libdir\" |
+ ]) |
+ else |
+ additional_includedir="$withval/include" |
+ additional_libdir="$withval/$acl_libdirstem" |
+ fi |
+ fi |
+]) |
+ if test $use_additional = yes; then |
+ dnl Potentially add $additional_includedir to $CPPFLAGS. |
+ dnl But don't add it |
+ dnl 1. if it's the standard /usr/include, |
+ dnl 2. if it's already present in $CPPFLAGS, |
+ dnl 3. if it's /usr/local/include and we are using GCC on Linux, |
+ dnl 4. if it doesn't exist as a directory. |
+ if test "X$additional_includedir" != "X/usr/include"; then |
+ haveit= |
+ for x in $CPPFLAGS; do |
+ AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
+ if test "X$x" = "X-I$additional_includedir"; then |
+ haveit=yes |
+ break |
+ fi |
+ done |
+ if test -z "$haveit"; then |
+ if test "X$additional_includedir" = "X/usr/local/include"; then |
+ if test -n "$GCC"; then |
+ case $host_os in |
+ linux* | gnu* | k*bsd*-gnu) haveit=yes;; |
+ esac |
+ fi |
+ fi |
+ if test -z "$haveit"; then |
+ if test -d "$additional_includedir"; then |
+ dnl Really add $additional_includedir to $CPPFLAGS. |
+ CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }-I$additional_includedir" |
+ fi |
+ fi |
+ fi |
+ fi |
+ dnl Potentially add $additional_libdir to $LDFLAGS. |
+ dnl But don't add it |
+ dnl 1. if it's the standard /usr/lib, |
+ dnl 2. if it's already present in $LDFLAGS, |
+ dnl 3. if it's /usr/local/lib and we are using GCC on Linux, |
+ dnl 4. if it doesn't exist as a directory. |
+ if test "X$additional_libdir" != "X/usr/$acl_libdirstem"; then |
+ haveit= |
+ for x in $LDFLAGS; do |
+ AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
+ if test "X$x" = "X-L$additional_libdir"; then |
+ haveit=yes |
+ break |
+ fi |
+ done |
+ if test -z "$haveit"; then |
+ if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem"; then |
+ if test -n "$GCC"; then |
+ case $host_os in |
+ linux*) haveit=yes;; |
+ esac |
+ fi |
+ fi |
+ if test -z "$haveit"; then |
+ if test -d "$additional_libdir"; then |
+ dnl Really add $additional_libdir to $LDFLAGS. |
+ LDFLAGS="${LDFLAGS}${LDFLAGS:+ }-L$additional_libdir" |
+ fi |
+ fi |
+ fi |
+ fi |
+ fi |
+]) |
+ |
+dnl AC_LIB_PREPARE_PREFIX creates variables acl_final_prefix, |
+dnl acl_final_exec_prefix, containing the values to which $prefix and |
+dnl $exec_prefix will expand at the end of the configure script. |
+AC_DEFUN([AC_LIB_PREPARE_PREFIX], |
+[ |
+ dnl Unfortunately, prefix and exec_prefix get only finally determined |
+ dnl at the end of configure. |
+ if test "X$prefix" = "XNONE"; then |
+ acl_final_prefix="$ac_default_prefix" |
+ else |
+ acl_final_prefix="$prefix" |
+ fi |
+ if test "X$exec_prefix" = "XNONE"; then |
+ acl_final_exec_prefix='${prefix}' |
+ else |
+ acl_final_exec_prefix="$exec_prefix" |
+ fi |
+ acl_save_prefix="$prefix" |
+ prefix="$acl_final_prefix" |
+ eval acl_final_exec_prefix=\"$acl_final_exec_prefix\" |
+ prefix="$acl_save_prefix" |
+]) |
+ |
+dnl AC_LIB_WITH_FINAL_PREFIX([statement]) evaluates statement, with the |
+dnl variables prefix and exec_prefix bound to the values they will have |
+dnl at the end of the configure script. |
+AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX], |
+[ |
+ acl_save_prefix="$prefix" |
+ prefix="$acl_final_prefix" |
+ acl_save_exec_prefix="$exec_prefix" |
+ exec_prefix="$acl_final_exec_prefix" |
+ $1 |
+ exec_prefix="$acl_save_exec_prefix" |
+ prefix="$acl_save_prefix" |
+]) |
+ |
+dnl AC_LIB_PREPARE_MULTILIB creates |
+dnl - a variable acl_libdirstem, containing the basename of the libdir, either |
+dnl "lib" or "lib64" or "lib/64", |
+dnl - a variable acl_libdirstem2, as a secondary possible value for |
+dnl acl_libdirstem, either the same as acl_libdirstem or "lib/sparcv9" or |
+dnl "lib/amd64". |
+AC_DEFUN([AC_LIB_PREPARE_MULTILIB], |
+[ |
+ dnl There is no formal standard regarding lib and lib64. |
+ dnl On glibc systems, the current practice is that on a system supporting |
+ dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under |
+ dnl $prefix/lib64 and 32-bit libraries go under $prefix/lib. We determine |
+ dnl the compiler's default mode by looking at the compiler's library search |
+ dnl path. If at least one of its elements ends in /lib64 or points to a |
+ dnl directory whose absolute pathname ends in /lib64, we assume a 64-bit ABI. |
+ dnl Otherwise we use the default, namely "lib". |
+ dnl On Solaris systems, the current practice is that on a system supporting |
+ dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under |
+ dnl $prefix/lib/64 (which is a symlink to either $prefix/lib/sparcv9 or |
+ dnl $prefix/lib/amd64) and 32-bit libraries go under $prefix/lib. |
+ AC_REQUIRE([AC_CANONICAL_HOST]) |
+ acl_libdirstem=lib |
+ acl_libdirstem2= |
+ case "$host_os" in |
+ solaris*) |
+ dnl See Solaris 10 Software Developer Collection > Solaris 64-bit Developer's Guide > The Development Environment |
+ dnl <http://docs.sun.com/app/docs/doc/816-5138/dev-env?l=en&a=view>. |
+ dnl "Portable Makefiles should refer to any library directories using the 64 symbolic link." |
+ dnl But we want to recognize the sparcv9 or amd64 subdirectory also if the |
+ dnl symlink is missing, so we set acl_libdirstem2 too. |
+ AC_CACHE_CHECK([for 64-bit host], [gl_cv_solaris_64bit], |
+ [AC_EGREP_CPP([sixtyfour bits], [ |
+#ifdef _LP64 |
+sixtyfour bits |
+#endif |
+ ], [gl_cv_solaris_64bit=yes], [gl_cv_solaris_64bit=no]) |
+ ]) |
+ if test $gl_cv_solaris_64bit = yes; then |
+ acl_libdirstem=lib/64 |
+ case "$host_cpu" in |
+ sparc*) acl_libdirstem2=lib/sparcv9 ;; |
+ i*86 | x86_64) acl_libdirstem2=lib/amd64 ;; |
+ esac |
+ fi |
+ ;; |
+ *) |
+ searchpath=`(LC_ALL=C $CC -print-search-dirs) 2>/dev/null | sed -n -e 's,^libraries: ,,p' | sed -e 's,^=,,'` |
+ if test -n "$searchpath"; then |
+ acl_save_IFS="${IFS= }"; IFS=":" |
+ for searchdir in $searchpath; do |
+ if test -d "$searchdir"; then |
+ case "$searchdir" in |
+ */lib64/ | */lib64 ) acl_libdirstem=lib64 ;; |
+ *) searchdir=`cd "$searchdir" && pwd` |
+ case "$searchdir" in |
+ */lib64 ) acl_libdirstem=lib64 ;; |
+ esac ;; |
+ esac |
+ fi |
+ done |
+ IFS="$acl_save_IFS" |
+ fi |
+ ;; |
+ esac |
+ test -n "$acl_libdirstem2" || acl_libdirstem2="$acl_libdirstem" |
+]) |