1# lib-prefix.m4 serial 4 (gettext-0.14.2) 2dnl Copyright (C) 2001-2005 Free Software Foundation, Inc. 3dnl This file is free software; the Free Software Foundation 4dnl gives unlimited permission to copy and/or distribute it, 5dnl with or without modifications, as long as this notice is preserved. 6 7dnl From Bruno Haible. 8 9dnl AC_LIB_ARG_WITH is synonymous to AC_ARG_WITH in autoconf-2.13, and 10dnl similar to AC_ARG_WITH in autoconf 2.52...2.57 except that is doesn't 11dnl require excessive bracketing. 12ifdef([AC_HELP_STRING], 13[AC_DEFUN([AC_LIB_ARG_WITH], [AC_ARG_WITH([$1],[[$2]],[$3],[$4])])], 14[AC_DEFUN([AC_][LIB_ARG_WITH], [AC_ARG_WITH([$1],[$2],[$3],[$4])])]) 15 16dnl AC_LIB_PREFIX adds to the CPPFLAGS and LDFLAGS the flags that are needed 17dnl to access previously installed libraries. The basic assumption is that 18dnl a user will want packages to use other packages he previously installed 19dnl with the same --prefix option. 20dnl This macro is not needed if only AC_LIB_LINKFLAGS is used to locate 21dnl libraries, but is otherwise very convenient. 22AC_DEFUN([AC_LIB_PREFIX], 23[ 24 AC_BEFORE([$0], [AC_LIB_LINKFLAGS]) 25 AC_REQUIRE([AC_PROG_CC]) 26 AC_REQUIRE([AC_CANONICAL_HOST]) 27 AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) 28 dnl By default, look in $includedir and $libdir. 29 use_additional=yes 30 AC_LIB_WITH_FINAL_PREFIX([ 31 eval additional_includedir=\"$includedir\" 32 eval additional_libdir=\"$libdir\" 33 ]) 34 AC_LIB_ARG_WITH([lib-prefix], 35[ --with-lib-prefix[=DIR] search for libraries in DIR/include and DIR/lib 36 --without-lib-prefix don't search for libraries in includedir and libdir], 37[ 38 if test "X$withval" = "Xno"; then 39 use_additional=no 40 else 41 if test "X$withval" = "X"; then 42 AC_LIB_WITH_FINAL_PREFIX([ 43 eval additional_includedir=\"$includedir\" 44 eval additional_libdir=\"$libdir\" 45 ]) 46 else 47 additional_includedir="$withval/include" 48 additional_libdir="$withval/lib" 49 fi 50 fi 51]) 52 if test $use_additional = yes; then 53 dnl Potentially add $additional_includedir to $CPPFLAGS. 54 dnl But don't add it 55 dnl 1. if it's the standard /usr/include, 56 dnl 2. if it's already present in $CPPFLAGS, 57 dnl 3. if it's /usr/local/include and we are using GCC on Linux, 58 dnl 4. if it doesn't exist as a directory. 59 if test "X$additional_includedir" != "X/usr/include"; then 60 haveit= 61 for x in $CPPFLAGS; do 62 AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) 63 if test "X$x" = "X-I$additional_includedir"; then 64 haveit=yes 65 break 66 fi 67 done 68 if test -z "$haveit"; then 69 if test "X$additional_includedir" = "X/usr/local/include"; then 70 if test -n "$GCC"; then 71 case $host_os in 72 linux* | gnu* | k*bsd*-gnu) haveit=yes;; 73 esac 74 fi 75 fi 76 if test -z "$haveit"; then 77 if test -d "$additional_includedir"; then 78 dnl Really add $additional_includedir to $CPPFLAGS. 79 CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }-I$additional_includedir" 80 fi 81 fi 82 fi 83 fi 84 dnl Potentially add $additional_libdir to $LDFLAGS. 85 dnl But don't add it 86 dnl 1. if it's the standard /usr/lib, 87 dnl 2. if it's already present in $LDFLAGS, 88 dnl 3. if it's /usr/local/lib and we are using GCC on Linux, 89 dnl 4. if it doesn't exist as a directory. 90 if test "X$additional_libdir" != "X/usr/lib"; then 91 haveit= 92 for x in $LDFLAGS; do 93 AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) 94 if test "X$x" = "X-L$additional_libdir"; then 95 haveit=yes 96 break 97 fi 98 done 99 if test -z "$haveit"; then 100 if test "X$additional_libdir" = "X/usr/local/lib"; then 101 if test -n "$GCC"; then 102 case $host_os in 103 linux*) haveit=yes;; 104 esac 105 fi 106 fi 107 if test -z "$haveit"; then 108 if test -d "$additional_libdir"; then 109 dnl Really add $additional_libdir to $LDFLAGS. 110 LDFLAGS="${LDFLAGS}${LDFLAGS:+ }-L$additional_libdir" 111 fi 112 fi 113 fi 114 fi 115 fi 116]) 117 118dnl AC_LIB_PREPARE_PREFIX creates variables acl_final_prefix, 119dnl acl_final_exec_prefix, containing the values to which $prefix and 120dnl $exec_prefix will expand at the end of the configure script. 121AC_DEFUN([AC_LIB_PREPARE_PREFIX], 122[ 123 dnl Unfortunately, prefix and exec_prefix get only finally determined 124 dnl at the end of configure. 125 if test "X$prefix" = "XNONE"; then 126 acl_final_prefix="$ac_default_prefix" 127 else 128 acl_final_prefix="$prefix" 129 fi 130 if test "X$exec_prefix" = "XNONE"; then 131 acl_final_exec_prefix='${prefix}' 132 else 133 acl_final_exec_prefix="$exec_prefix" 134 fi 135 acl_save_prefix="$prefix" 136 prefix="$acl_final_prefix" 137 eval acl_final_exec_prefix=\"$acl_final_exec_prefix\" 138 prefix="$acl_save_prefix" 139]) 140 141dnl AC_LIB_WITH_FINAL_PREFIX([statement]) evaluates statement, with the 142dnl variables prefix and exec_prefix bound to the values they will have 143dnl at the end of the configure script. 144AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX], 145[ 146 acl_save_prefix="$prefix" 147 prefix="$acl_final_prefix" 148 acl_save_exec_prefix="$exec_prefix" 149 exec_prefix="$acl_final_exec_prefix" 150 $1 151 exec_prefix="$acl_save_exec_prefix" 152 prefix="$acl_save_prefix" 153]) 154