1 # lib-prefix.m4 serial 2 (gettext-0.12) 2 dnl Copyright (C) 2001-2003 Free Software Foundation, Inc. 3 dnl This file is free software, distributed under the terms of the GNU 4 dnl General Public License. As a special exception to the GNU General 5 dnl Public License, this file may be distributed as part of a program 6 dnl that contains a configuration script generated by Autoconf, under 7 dnl the same distribution terms as the rest of that program. 8 9 dnl From Bruno Haible. 10 11 dnl AC_LIB_ARG_WITH is similar to AC_ARG_WITH except that it doesn't 12 dnl require excessive bracketing. 13 AC_DEFUN([AC_LIB_ARG_WITH], [AC_ARG_WITH([$1],[[$2]],[$3],[$4])]) 14 15 dnl AC_LIB_PREFIX adds to the CPPFLAGS and LDFLAGS the flags that are needed 16 dnl to access previously installed libraries. The basic assumption is that 17 dnl a user will want packages to use other packages he previously installed 18 dnl with the same --prefix option. 19 dnl This macro is not needed if only AC_LIB_LINKFLAGS is used to locate 20 dnl libraries, but is otherwise very convenient. 21 AC_DEFUN([AC_LIB_PREFIX], 22 [ 23 AC_BEFORE([$0], [AC_LIB_LINKFLAGS]) 24 AC_REQUIRE([AC_PROG_CC]) 25 AC_REQUIRE([AC_CANONICAL_HOST]) 26 AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) 27 dnl By default, look in $includedir and $libdir. 28 use_additional=yes 29 AC_LIB_WITH_FINAL_PREFIX([ 30 eval additional_includedir=\"$includedir\" 31 eval additional_libdir=\"$libdir\" 32 ]) 33 AC_LIB_ARG_WITH([lib-prefix], 34 [ --with-lib-prefix[=DIR] search for libraries in DIR/include and DIR/lib 35 --without-lib-prefix don't search for libraries in includedir and libdir], 36 [ 37 if test "X$withval" = "Xno"; then 38 use_additional=no 39 else 40 if test "X$withval" = "X"; then 41 AC_LIB_WITH_FINAL_PREFIX([ 42 eval additional_includedir=\"$includedir\" 43 eval additional_libdir=\"$libdir\" 44 ]) 45 else 46 additional_includedir="$withval/include" 47 additional_libdir="$withval/lib" 48 fi 49 fi 50 ]) 51 if test $use_additional = yes; then 52 dnl Potentially add $additional_includedir to $CPPFLAGS. 53 dnl But don't add it 54 dnl 1. if it's the standard /usr/include, 55 dnl 2. if it's already present in $CPPFLAGS, 56 dnl 3. if it's /usr/local/include and we are using GCC on Linux, 57 dnl 4. if it doesn't exist as a directory. 58 if test "X$additional_includedir" != "X/usr/include"; then 59 haveit= 60 for x in $CPPFLAGS; do 61 AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) 62 if test "X$x" = "X-I$additional_includedir"; then 63 haveit=yes 64 break 65 fi 66 done 67 if test -z "$haveit"; then 68 if test "X$additional_includedir" = "X/usr/local/include"; then 69 if test -n "$GCC"; then 70 case $host_os in 71 linux*) haveit=yes;; 72 esac 73 fi 74 fi 75 if test -z "$haveit"; then 76 if test -d "$additional_includedir"; then 77 dnl Really add $additional_includedir to $CPPFLAGS. 78 CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }-I$additional_includedir" 79 fi 80 fi 81 fi 82 fi 83 dnl Potentially add $additional_libdir to $LDFLAGS. 84 dnl But don't add it 85 dnl 1. if it's the standard /usr/lib, 86 dnl 2. if it's already present in $LDFLAGS, 87 dnl 3. if it's /usr/local/lib and we are using GCC on Linux, 88 dnl 4. if it doesn't exist as a directory. 89 if test "X$additional_libdir" != "X/usr/lib"; then 90 haveit= 91 for x in $LDFLAGS; do 92 AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) 93 if test "X$x" = "X-L$additional_libdir"; then 94 haveit=yes 95 break 96 fi 97 done 98 if test -z "$haveit"; then 99 if test "X$additional_libdir" = "X/usr/local/lib"; then 100 if test -n "$GCC"; then 101 case $host_os in 102 linux*) haveit=yes;; 103 esac 104 fi 105 fi 106 if test -z "$haveit"; then 107 if test -d "$additional_libdir"; then 108 dnl Really add $additional_libdir to $LDFLAGS. 109 LDFLAGS="${LDFLAGS}${LDFLAGS:+ }-L$additional_libdir" 110 fi 111 fi 112 fi 113 fi 114 fi 115 ]) 116 117 dnl AC_LIB_PREPARE_PREFIX creates variables acl_final_prefix, 118 dnl acl_final_exec_prefix, containing the values to which $prefix and 119 dnl $exec_prefix will expand at the end of the configure script. 120 AC_DEFUN([AC_LIB_PREPARE_PREFIX], 121 [ 122 dnl Unfortunately, prefix and exec_prefix get only finally determined 123 dnl at the end of configure. 124 if test "X$prefix" = "XNONE"; then 125 acl_final_prefix="$ac_default_prefix" 126 else 127 acl_final_prefix="$prefix" 128 fi 129 if test "X$exec_prefix" = "XNONE"; then 130 acl_final_exec_prefix='${prefix}' 131 else 132 acl_final_exec_prefix="$exec_prefix" 133 fi 134 acl_save_prefix="$prefix" 135 prefix="$acl_final_prefix" 136 eval acl_final_exec_prefix=\"$acl_final_exec_prefix\" 137 prefix="$acl_save_prefix" 138 ]) 139 140 dnl AC_LIB_WITH_FINAL_PREFIX([statement]) evaluates statement, with the 141 dnl variables prefix and exec_prefix bound to the values they will have 142 dnl at the end of the configure script. 143 AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX], 144 [ 145 acl_save_prefix="$prefix" 146 prefix="$acl_final_prefix" 147 acl_save_exec_prefix="$exec_prefix" 148 exec_prefix="$acl_final_exec_prefix" 149 $1 150 exec_prefix="$acl_save_exec_prefix" 151 prefix="$acl_save_prefix" 152 ]) 153
Indexes created Sat Feb 28 05:31:39 UTC 2026