lib-prefix.m4
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:7k
源码类别:
midi
开发平台:
Unix_Linux
- # 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
- ])