| 1 | # lib-link.m4 serial 1 (gettext-0.11)
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| 2 | dnl Copyright (C) 2001-2002 Free Software Foundation, Inc.
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| 3 | dnl This file is free software, distributed under the terms of the GNU
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| 4 | dnl General Public License. As a special exception to the GNU General
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| 5 | dnl Public License, this file may be distributed as part of a program
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| 6 | dnl that contains a configuration script generated by Autoconf, under
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| 7 | dnl the same distribution terms as the rest of that program.
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| 8 |
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| 9 | dnl From Bruno Haible.
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| 10 |
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| 11 | dnl AC_LIB_LINKFLAGS(name [, dependencies]) searches for libname and
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| 12 | dnl the libraries corresponding to explicit and implicit dependencies.
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| 13 | dnl Sets and AC_SUBSTs the LIB${NAME} and LTLIB${NAME} variables and
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| 14 | dnl augments the CPPFLAGS variable.
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| 15 | AC_DEFUN([AC_LIB_LINKFLAGS],
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| 16 | [
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| 17 | AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
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| 18 | AC_REQUIRE([AC_LIB_RPATH])
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| 19 | define([Name],[translit([$1],[./-], [___])])
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| 20 | define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
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| 21 | [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
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| 22 | AC_CACHE_CHECK([how to link with lib[]$1], [ac_cv_lib[]Name[]_libs], [
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| 23 | AC_LIB_LINKFLAGS_BODY([$1], [$2])
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| 24 | ac_cv_lib[]Name[]_libs="$LIB[]NAME"
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| 25 | ac_cv_lib[]Name[]_ltlibs="$LTLIB[]NAME"
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| 26 | ac_cv_lib[]Name[]_cppflags="$INC[]NAME"
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| 27 | ])
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| 28 | LIB[]NAME="$ac_cv_lib[]Name[]_libs"
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| 29 | LTLIB[]NAME="$ac_cv_lib[]Name[]_ltlibs"
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| 30 | INC[]NAME="$ac_cv_lib[]Name[]_cppflags"
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| 31 | AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME)
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| 32 | AC_SUBST([LIB]NAME)
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| 33 | AC_SUBST([LTLIB]NAME)
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| 34 | dnl Also set HAVE_LIB[]NAME so that AC_LIB_HAVE_LINKFLAGS can reuse the
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| 35 | dnl results of this search when this library appears as a dependency.
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| 36 | HAVE_LIB[]NAME=yes
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| 37 | undefine([Name])
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| 38 | undefine([NAME])
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| 39 | ])
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| 40 |
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| 41 | dnl AC_LIB_HAVE_LINKFLAGS(name, dependencies, includes, testcode)
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| 42 | dnl searches for libname and the libraries corresponding to explicit and
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| 43 | dnl implicit dependencies, together with the specified include files and
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| 44 | dnl the ability to compile and link the specified testcode. If found, it
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| 45 | dnl sets and AC_SUBSTs HAVE_LIB${NAME}=yes and the LIB${NAME} and
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| 46 | dnl LTLIB${NAME} variables and augments the CPPFLAGS variable, and
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| 47 | dnl #defines HAVE_LIB${NAME} to 1. Otherwise, it sets and AC_SUBSTs
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| 48 | dnl HAVE_LIB${NAME}=no and LIB${NAME} and LTLIB${NAME} to empty.
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| 49 | AC_DEFUN([AC_LIB_HAVE_LINKFLAGS],
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| 50 | [
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| 51 | AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
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| 52 | AC_REQUIRE([AC_LIB_RPATH])
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| 53 | define([Name],[translit([$1],[./-], [___])])
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| 54 | define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
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| 55 | [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
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| 56 |
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| 57 | dnl Search for lib[]Name and define LIB[]NAME, LTLIB[]NAME and INC[]NAME
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| 58 | dnl accordingly.
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| 59 | AC_LIB_LINKFLAGS_BODY([$1], [$2])
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| 60 |
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| 61 | dnl Add $INC[]NAME to CPPFLAGS before performing the following checks,
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| 62 | dnl because if the user has installed lib[]Name and not disabled its use
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| 63 | dnl via --without-lib[]Name-prefix, he wants to use it.
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| 64 | ac_save_CPPFLAGS="$CPPFLAGS"
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| 65 | AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME)
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| 66 |
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| 67 | AC_CACHE_CHECK([for lib[]$1], [ac_cv_lib[]Name], [
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| 68 | ac_save_LIBS="$LIBS"
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| 69 | LIBS="$LIBS $LIB[]NAME"
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| 70 | AC_TRY_LINK([$3], [$4], [ac_cv_lib[]Name=yes], [ac_cv_lib[]Name=no])
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| 71 | LIBS="$ac_save_LIBS"
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| 72 | ])
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| 73 | if test "$ac_cv_lib[]Name" = yes; then
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| 74 | HAVE_LIB[]NAME=yes
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| 75 | AC_DEFINE([HAVE_LIB]NAME, 1, [Define if you have the $1 library.])
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| 76 | AC_MSG_CHECKING([how to link with lib[]$1])
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| 77 | AC_MSG_RESULT([$LIB[]NAME])
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| 78 | else
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| 79 | HAVE_LIB[]NAME=no
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| 80 | dnl If $LIB[]NAME didn't lead to a usable library, we don't need
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| 81 | dnl $INC[]NAME either.
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| 82 | CPPFLAGS="$ac_save_CPPFLAGS"
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| 83 | LIB[]NAME=
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| 84 | LTLIB[]NAME=
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| 85 | fi
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| 86 | AC_SUBST([HAVE_LIB]NAME)
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| 87 | AC_SUBST([LIB]NAME)
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| 88 | AC_SUBST([LTLIB]NAME)
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| 89 | undefine([Name])
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| 90 | undefine([NAME])
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| 91 | ])
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| 92 |
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| 93 | dnl Determine the platform dependent parameters needed to use rpath:
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| 94 | dnl libext, shlibext, hardcode_libdir_flag_spec, hardcode_libdir_separator,
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| 95 | dnl hardcode_direct, hardcode_minus_L,
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| 96 | dnl sys_lib_search_path_spec, sys_lib_dlsearch_path_spec.
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| 97 | AC_DEFUN([AC_LIB_RPATH],
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| 98 | [
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| 99 | AC_REQUIRE([AC_PROG_CC]) dnl we use $CC, $GCC, $LDFLAGS
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| 100 | AC_REQUIRE([AC_LIB_PROG_LD]) dnl we use $LD, $with_gnu_ld
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| 101 | AC_REQUIRE([AC_CANONICAL_HOST]) dnl we use $host
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| 102 | AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT]) dnl we use $ac_aux_dir
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| 103 | AC_CACHE_CHECK([for shared library run path origin], acl_cv_rpath, [
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| 104 | CC="$CC" GCC="$GCC" LDFLAGS="$LDFLAGS" LD="$LD" with_gnu_ld="$with_gnu_ld" \
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| 105 | ${CONFIG_SHELL-/bin/sh} "$ac_aux_dir/config.rpath" "$host" > conftest.sh
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| 106 | . ./conftest.sh
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| 107 | rm -f ./conftest.sh
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| 108 | acl_cv_rpath=done
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| 109 | ])
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| 110 | wl="$acl_cv_wl"
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| 111 | libext="$acl_cv_libext"
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| 112 | shlibext="$acl_cv_shlibext"
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| 113 | hardcode_libdir_flag_spec="$acl_cv_hardcode_libdir_flag_spec"
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| 114 | hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator"
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| 115 | hardcode_direct="$acl_cv_hardcode_direct"
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| 116 | hardcode_minus_L="$acl_cv_hardcode_minus_L"
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| 117 | sys_lib_search_path_spec="$acl_cv_sys_lib_search_path_spec"
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| 118 | sys_lib_dlsearch_path_spec="$acl_cv_sys_lib_dlsearch_path_spec"
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| 119 | ])
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| 120 |
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| 121 | dnl AC_LIB_LINKFLAGS_BODY(name [, dependencies]) searches for libname and
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| 122 | dnl the libraries corresponding to explicit and implicit dependencies.
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| 123 | dnl Sets the LIB${NAME}, LTLIB${NAME} and INC${NAME} variables.
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| 124 | AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
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| 125 | [
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| 126 | define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
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| 127 | [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
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| 128 | dnl By default, look in $includedir and $libdir.
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| 129 | use_additional=yes
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| 130 | AC_LIB_WITH_FINAL_PREFIX([
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| 131 | eval additional_includedir=\"$includedir\"
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| 132 | eval additional_libdir=\"$libdir\"
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| 133 | ])
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| 134 | AC_ARG_WITH([lib$1-prefix],
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| 135 | [ --with-lib$1-prefix[=DIR] search for lib$1 in DIR/include and DIR/lib
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| 136 | --without-lib$1-prefix don't search for lib$1 in includedir and libdir],
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| 137 | [
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| 138 | if test "X$withval" = "Xno"; then
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| 139 | use_additional=no
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| 140 | else
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| 141 | if test "X$withval" = "X"; then
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| 142 | AC_LIB_WITH_FINAL_PREFIX([
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| 143 | eval additional_includedir=\"$includedir\"
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| 144 | eval additional_libdir=\"$libdir\"
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| 145 | ])
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| 146 | else
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| 147 | additional_includedir="$withval/include"
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| 148 | additional_libdir="$withval/lib"
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| 149 | fi
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| 150 | fi
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| 151 | ])
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| 152 | dnl Search the library and its dependencies in $additional_libdir and
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| 153 | dnl $LDFLAGS. Using breadth-first-seach.
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| 154 | LIB[]NAME=
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| 155 | LTLIB[]NAME=
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| 156 | INC[]NAME=
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| 157 | rpathdirs=
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| 158 | ltrpathdirs=
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| 159 | names_already_handled=
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| 160 | names_next_round='$1 $2'
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| 161 | while test -n "$names_next_round"; do
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| 162 | names_this_round="$names_next_round"
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| 163 | names_next_round=
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| 164 | for name in $names_this_round; do
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| 165 | already_handled=
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| 166 | for n in $names_already_handled; do
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| 167 | if test "$n" = "$name"; then
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| 168 | already_handled=yes
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| 169 | break
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| 170 | fi
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| 171 | done
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| 172 | if test -z "$already_handled"; then
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| 173 | names_already_handled="$names_already_handled $name"
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| 174 | dnl See if it was already located by an earlier AC_LIB_LINKFLAGS
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| 175 | dnl or AC_LIB_HAVE_LINKFLAGS call.
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| 176 | uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./-|ABCDEFGHIJKLMNOPQRSTUVWXYZ___|'`
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| 177 | eval value=\"\$HAVE_LIB$uppername\"
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| 178 | if test -n "$value"; then
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| 179 | if test "$value" = yes; then
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| 180 | eval value=\"\$LIB$uppername\"
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| 181 | test -z "$value" || LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$value"
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| 182 | eval value=\"\$LTLIB$uppername\"
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| 183 | test -z "$value" || LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$value"
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| 184 | else
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| 185 | dnl An earlier call to AC_LIB_HAVE_LINKFLAGS has determined
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| 186 | dnl that this library doesn't exist. So just drop it.
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| 187 | :
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| 188 | fi
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| 189 | else
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| 190 | dnl Search the library lib$name in $additional_libdir and $LDFLAGS
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| 191 | dnl and the already constructed $LIBNAME/$LTLIBNAME.
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| 192 | found_dir=
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| 193 | found_la=
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| 194 | found_so=
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| 195 | found_a=
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| 196 | if test $use_additional = yes; then
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| 197 | if test -n "$shlibext" && test -f "$additional_libdir/lib$name.$shlibext"; then
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| 198 | found_dir="$additional_libdir"
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| 199 | found_so="$additional_libdir/lib$name.$shlibext"
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| 200 | if test -f "$additional_libdir/lib$name.la"; then
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| 201 | found_la="$additional_libdir/lib$name.la"
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| 202 | fi
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| 203 | else
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| 204 | if test -f "$additional_libdir/lib$name.$libext"; then
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| 205 | found_dir="$additional_libdir"
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| 206 | found_a="$additional_libdir/lib$name.$libext"
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| 207 | if test -f "$additional_libdir/lib$name.la"; then
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| 208 | found_la="$additional_libdir/lib$name.la"
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| 209 | fi
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| 210 | fi
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| 211 | fi
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| 212 | fi
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| 213 | if test "X$found_dir" = "X"; then
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| 214 | for x in $LDFLAGS $LTLIB[]NAME; do
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| 215 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
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| 216 | case "$x" in
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| 217 | -L*)
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| 218 | dir=`echo "X$x" | sed -e 's/^X-L//'`
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| 219 | if test -n "$shlibext" && test -f "$dir/lib$name.$shlibext"; then
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| 220 | found_dir="$dir"
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| 221 | found_so="$dir/lib$name.$shlibext"
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| 222 | if test -f "$dir/lib$name.la"; then
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| 223 | found_la="$dir/lib$name.la"
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| 224 | fi
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| 225 | else
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| 226 | if test -f "$dir/lib$name.$libext"; then
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| 227 | found_dir="$dir"
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| 228 | found_a="$dir/lib$name.$libext"
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| 229 | if test -f "$dir/lib$name.la"; then
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| 230 | found_la="$dir/lib$name.la"
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| 231 | fi
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| 232 | fi
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| 233 | fi
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| 234 | ;;
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| 235 | esac
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| 236 | if test "X$found_dir" != "X"; then
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| 237 | break
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| 238 | fi
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| 239 | done
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| 240 | fi
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| 241 | if test "X$found_dir" != "X"; then
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| 242 | dnl Found the library.
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| 243 | LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$found_dir -l$name"
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| 244 | if test "X$found_so" != "X"; then
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| 245 | dnl Linking with a shared library. We attempt to hardcode its
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| 246 | dnl directory into the executable's runpath, unless it's the
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| 247 | dnl standard /usr/lib.
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| 248 | if test "X$found_dir" = "X/usr/lib"; then
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| 249 | dnl No hardcoding is needed.
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| 250 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
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| 251 | else
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| 252 | dnl Use an explicit option to hardcode DIR into the resulting
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| 253 | dnl binary.
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| 254 | dnl Potentially add DIR to ltrpathdirs.
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| 255 | dnl The ltrpathdirs will be appended to $LTLIBNAME at the end.
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| 256 | haveit=
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| 257 | for x in $ltrpathdirs; do
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| 258 | if test "X$x" = "X$found_dir"; then
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| 259 | haveit=yes
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| 260 | break
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| 261 | fi
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| 262 | done
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| 263 | if test -z "$haveit"; then
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| 264 | ltrpathdirs="$ltrpathdirs $found_dir"
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| 265 | fi
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| 266 | dnl The hardcoding into $LIBNAME is system dependent.
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| 267 | if test "$hardcode_direct" = yes; then
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| 268 | dnl Using DIR/libNAME.so during linking hardcodes DIR into the
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| 269 | dnl resulting binary.
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| 270 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
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| 271 | else
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| 272 | if test -n "$hardcode_libdir_flag_spec" && test "$hardcode_minus_L" = no; then
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| 273 | dnl Use an explicit option to hardcode DIR into the resulting
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| 274 | dnl binary.
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| 275 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
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| 276 | dnl Potentially add DIR to rpathdirs.
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| 277 | dnl The rpathdirs will be appended to $LIBNAME at the end.
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| 278 | haveit=
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| 279 | for x in $rpathdirs; do
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| 280 | if test "X$x" = "X$found_dir"; then
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| 281 | haveit=yes
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| 282 | break
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| 283 | fi
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| 284 | done
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| 285 | if test -z "$haveit"; then
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| 286 | rpathdirs="$rpathdirs $found_dir"
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| 287 | fi
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| 288 | else
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| 289 | dnl Rely on "-L$found_dir".
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| 290 | dnl But don't add it if it's already contained in the LDFLAGS
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| 291 | dnl or the already constructed $LIBNAME
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| 292 | haveit=
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| 293 | for x in $LDFLAGS $LIB[]NAME; do
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| 294 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
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| 295 | if test "X$x" = "X-L$found_dir"; then
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| 296 | haveit=yes
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| 297 | break
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| 298 | fi
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| 299 | done
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| 300 | if test -z "$haveit"; then
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| 301 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir"
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| 302 | fi
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| 303 | if test "$hardcode_minus_L" != no; then
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| 304 | dnl FIXME: Not sure whether we should use
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| 305 | dnl "-L$found_dir -l$name" or "-L$found_dir $found_so"
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| 306 | dnl here.
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| 307 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
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| 308 | else
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| 309 | dnl We cannot use $hardcode_runpath_var and LD_RUN_PATH
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| 310 | dnl here, because this doesn't fit in flags passed to the
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| 311 | dnl compiler. So give up. No hardcoding. This affects only
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| 312 | dnl very old systems.
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| 313 | dnl FIXME: Not sure whether we should use
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| 314 | dnl "-L$found_dir -l$name" or "-L$found_dir $found_so"
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| 315 | dnl here.
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| 316 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name"
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| 317 | fi
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| 318 | fi
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| 319 | fi
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| 320 | fi
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| 321 | else
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| 322 | if test "X$found_a" != "X"; then
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| 323 | dnl Linking with a static library.
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| 324 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_a"
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| 325 | else
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| 326 | dnl We shouldn't come here, but anyway it's good to have a
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| 327 | dnl fallback.
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| 328 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir -l$name"
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| 329 | fi
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| 330 | fi
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| 331 | dnl Assume the include files are nearby.
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| 332 | additional_includedir=
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| 333 | case "$found_dir" in
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| 334 | */lib | */lib/)
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| 335 | basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e 's,/lib/*$,,'`
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| 336 | additional_includedir="$basedir/include"
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| 337 | ;;
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| 338 | esac
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| 339 | if test "X$additional_includedir" != "X"; then
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| 340 | dnl Potentially add $additional_includedir to $INCNAME.
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| 341 | dnl But don't add it
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| 342 | dnl 1. if it's the standard /usr/include,
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| 343 | dnl 2. if it's /usr/local/include and we are using GCC on Linux,
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| 344 | dnl 3. if it's already present in $CPPFLAGS or the already
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| 345 | dnl constructed $INCNAME,
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| 346 | dnl 4. if it doesn't exist as a directory.
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| 347 | if test "X$additional_includedir" != "X/usr/include"; then
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| 348 | haveit=
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| 349 | if test "X$additional_includedir" = "X/usr/local/include"; then
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| 350 | if test -n "$GCC"; then
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| 351 | case $host_os in
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| 352 | linux*) haveit=yes;;
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| 353 | esac
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| 354 | fi
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| 355 | fi
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| 356 | if test -z "$haveit"; then
|
|---|
| 357 | for x in $CPPFLAGS $INC[]NAME; do
|
|---|
| 358 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
|
|---|
| 359 | if test "X$x" = "X-I$additional_includedir"; then
|
|---|
| 360 | haveit=yes
|
|---|
| 361 | break
|
|---|
| 362 | fi
|
|---|
| 363 | done
|
|---|
| 364 | if test -z "$haveit"; then
|
|---|
| 365 | if test -d "$additional_includedir"; then
|
|---|
| 366 | dnl Really add $additional_includedir to $INCNAME.
|
|---|
| 367 | INC[]NAME="${INC[]NAME}${INC[]NAME:+ }-I$additional_includedir"
|
|---|
| 368 | fi
|
|---|
| 369 | fi
|
|---|
| 370 | fi
|
|---|
| 371 | fi
|
|---|
| 372 | fi
|
|---|
| 373 | dnl Look for dependencies.
|
|---|
| 374 | if test -n "$found_la"; then
|
|---|
| 375 | dnl Read the .la file. It defines the variables
|
|---|
| 376 | dnl dlname, library_names, old_library, dependency_libs, current,
|
|---|
| 377 | dnl age, revision, installed, dlopen, dlpreopen, libdir.
|
|---|
| 378 | save_libdir="$libdir"
|
|---|
| 379 | case "$found_la" in
|
|---|
| 380 | */* | *\\*) . "$found_la" ;;
|
|---|
| 381 | *) . "./$found_la" ;;
|
|---|
| 382 | esac
|
|---|
| 383 | libdir="$save_libdir"
|
|---|
| 384 | dnl We use only dependency_libs.
|
|---|
| 385 | for dep in $dependency_libs; do
|
|---|
| 386 | case "$dep" in
|
|---|
| 387 | -L*)
|
|---|
| 388 | additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'`
|
|---|
| 389 | dnl Potentially add $additional_libdir to $LIBNAME and $LTLIBNAME.
|
|---|
| 390 | dnl But don't add it
|
|---|
| 391 | dnl 1. if it's the standard /usr/lib,
|
|---|
| 392 | dnl 2. if it's /usr/local/lib and we are using GCC on Linux,
|
|---|
| 393 | dnl 3. if it's already present in $LDFLAGS or the already
|
|---|
| 394 | dnl constructed $LIBNAME,
|
|---|
| 395 | dnl 4. if it doesn't exist as a directory.
|
|---|
| 396 | if test "X$additional_libdir" != "X/usr/lib"; then
|
|---|
| 397 | haveit=
|
|---|
| 398 | if test "X$additional_libdir" = "X/usr/local/lib"; then
|
|---|
| 399 | if test -n "$GCC"; then
|
|---|
| 400 | case $host_os in
|
|---|
| 401 | linux*) haveit=yes;;
|
|---|
| 402 | esac
|
|---|
| 403 | fi
|
|---|
| 404 | fi
|
|---|
| 405 | if test -z "$haveit"; then
|
|---|
| 406 | haveit=
|
|---|
| 407 | for x in $LDFLAGS $LIB[]NAME; do
|
|---|
| 408 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
|
|---|
| 409 | if test "X$x" = "X-L$additional_libdir"; then
|
|---|
| 410 | haveit=yes
|
|---|
| 411 | break
|
|---|
| 412 | fi
|
|---|
| 413 | done
|
|---|
| 414 | if test -z "$haveit"; then
|
|---|
| 415 | if test -d "$additional_libdir"; then
|
|---|
| 416 | dnl Really add $additional_libdir to $LIBNAME.
|
|---|
| 417 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$additional_libdir"
|
|---|
| 418 | fi
|
|---|
| 419 | fi
|
|---|
| 420 | haveit=
|
|---|
| 421 | for x in $LDFLAGS $LTLIB[]NAME; do
|
|---|
| 422 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
|
|---|
| 423 | if test "X$x" = "X-L$additional_libdir"; then
|
|---|
| 424 | haveit=yes
|
|---|
| 425 | break
|
|---|
| 426 | fi
|
|---|
| 427 | done
|
|---|
| 428 | if test -z "$haveit"; then
|
|---|
| 429 | if test -d "$additional_libdir"; then
|
|---|
| 430 | dnl Really add $additional_libdir to $LTLIBNAME.
|
|---|
| 431 | LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$additional_libdir"
|
|---|
| 432 | fi
|
|---|
| 433 | fi
|
|---|
| 434 | fi
|
|---|
| 435 | fi
|
|---|
| 436 | ;;
|
|---|
| 437 | -l*)
|
|---|
| 438 | dnl Handle this in the next round.
|
|---|
| 439 | names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'`
|
|---|
| 440 | ;;
|
|---|
| 441 | *.la)
|
|---|
| 442 | dnl Handle this in the next round. Throw away the .la's
|
|---|
| 443 | dnl directory; it is already contained in a preceding -L
|
|---|
| 444 | dnl option.
|
|---|
| 445 | names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'`
|
|---|
| 446 | ;;
|
|---|
| 447 | *)
|
|---|
| 448 | dnl Most likely an immediate library name.
|
|---|
| 449 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$dep"
|
|---|
| 450 | LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$dep"
|
|---|
| 451 | ;;
|
|---|
| 452 | esac
|
|---|
| 453 | done
|
|---|
| 454 | fi
|
|---|
| 455 | else
|
|---|
| 456 | dnl Didn't find the library; assume it is in the system directories
|
|---|
| 457 | dnl known to the linker and runtime loader. (All the system
|
|---|
| 458 | dnl directories known to the linker should also be known to the
|
|---|
| 459 | dnl runtime loader, otherwise the system is severely misconfigured.)
|
|---|
| 460 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name"
|
|---|
| 461 | LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-l$name"
|
|---|
| 462 | fi
|
|---|
| 463 | fi
|
|---|
| 464 | fi
|
|---|
| 465 | done
|
|---|
| 466 | done
|
|---|
| 467 | if test "X$rpathdirs" != "X"; then
|
|---|
| 468 | if test -n "$hardcode_libdir_separator"; then
|
|---|
| 469 | dnl Weird platform: only the last -rpath option counts, the user must
|
|---|
| 470 | dnl pass all path elements in one option. We can arrange that for a
|
|---|
| 471 | dnl single library, but not when more than one $LIBNAMEs are used.
|
|---|
| 472 | alldirs=
|
|---|
| 473 | for found_dir in $rpathdirs; do
|
|---|
| 474 | alldirs="${alldirs}${alldirs:+$hardcode_libdir_separator}$found_dir"
|
|---|
| 475 | done
|
|---|
| 476 | dnl Note: hardcode_libdir_flag_spec uses $libdir and $wl.
|
|---|
| 477 | acl_save_libdir="$libdir"
|
|---|
| 478 | libdir="$alldirs"
|
|---|
| 479 | eval flag=\"$hardcode_libdir_flag_spec\"
|
|---|
| 480 | libdir="$acl_save_libdir"
|
|---|
| 481 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag"
|
|---|
| 482 | else
|
|---|
| 483 | dnl The -rpath options are cumulative.
|
|---|
| 484 | for found_dir in $rpathdirs; do
|
|---|
| 485 | acl_save_libdir="$libdir"
|
|---|
| 486 | libdir="$found_dir"
|
|---|
| 487 | eval flag=\"$hardcode_libdir_flag_spec\"
|
|---|
| 488 | libdir="$acl_save_libdir"
|
|---|
| 489 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag"
|
|---|
| 490 | done
|
|---|
| 491 | fi
|
|---|
| 492 | fi
|
|---|
| 493 | if test "X$ltrpathdirs" != "X"; then
|
|---|
| 494 | dnl When using libtool, the option that works for both libraries and
|
|---|
| 495 | dnl executables is -R. The -R options are cumulative.
|
|---|
| 496 | for found_dir in $ltrpathdirs; do
|
|---|
| 497 | LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-R$found_dir"
|
|---|
| 498 | done
|
|---|
| 499 | fi
|
|---|
| 500 | ])
|
|---|
| 501 |
|
|---|
| 502 | dnl AC_LIB_APPENDTOVAR(VAR, CONTENTS) appends the elements of CONTENTS to VAR,
|
|---|
| 503 | dnl unless already present in VAR.
|
|---|
| 504 | dnl Works only for CPPFLAGS, not for LIB* variables because that sometimes
|
|---|
| 505 | dnl contains two or three consecutive elements that belong together.
|
|---|
| 506 | AC_DEFUN([AC_LIB_APPENDTOVAR],
|
|---|
| 507 | [
|
|---|
| 508 | for element in [$2]; do
|
|---|
| 509 | haveit=
|
|---|
| 510 | for x in $[$1]; do
|
|---|
| 511 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
|
|---|
| 512 | if test "X$x" = "X$element"; then
|
|---|
| 513 | haveit=yes
|
|---|
| 514 | break
|
|---|
| 515 | fi
|
|---|
| 516 | done
|
|---|
| 517 | if test -z "$haveit"; then
|
|---|
| 518 | [$1]="${[$1]}${[$1]:+ }$element"
|
|---|
| 519 | fi
|
|---|
| 520 | done
|
|---|
| 521 | ])
|
|---|
