You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
224 lines
8.3 KiB
224 lines
8.3 KiB
# lib-prefix.m4 serial 7 (gettext-0.18) |
|
dnl Copyright (C) 2001-2005, 2008-2017 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 "$searchdir" in |
|
*/lib64/ | */lib64 ) acl_libdirstem=lib64 ;; |
|
*/../ | */.. ) |
|
# Better ignore directories of this form. They are misleading. |
|
;; |
|
*) searchdir=`cd "$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" |
|
])
|
|
|