| # lib-prefix.m4 serial 5 (gettext-0.15) |
| dnl Copyright (C) 2001-2005 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 a variable acl_libdirstem, containing |
| dnl the basename of the libdir, either "lib" or "lib64". |
| AC_DEFUN([AC_LIB_PREPARE_MULTILIB], |
| [ |
| dnl There is no formal standard regarding lib and lib64. The current |
| dnl practice is that on a system supporting 32-bit and 64-bit instruction |
| dnl sets or ABIs, 64-bit libraries go under $prefix/lib64 and 32-bit |
| dnl libraries go under $prefix/lib. We determine the compiler's default |
| dnl mode by looking at the compiler's library search path. If at least |
| dnl of its elements ends in /lib64 or points to a directory whose absolute |
| dnl pathname ends in /lib64, we assume a 64-bit ABI. Otherwise we use the |
| dnl default, namely "lib". |
| acl_libdirstem=lib |
| 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 |
| ]) |
