| 1 | # lib-link.m4 serial 32
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| 2 | dnl Copyright (C) 2001-2021 Free Software Foundation, Inc.
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| 3 | dnl This file is free software; the Free Software Foundation
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| 4 | dnl gives unlimited permission to copy and/or distribute it,
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| 5 | dnl with or without modifications, as long as this notice is preserved.
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| 6 |
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| 7 | dnl From Bruno Haible.
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| 8 |
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| 9 | AC_PREREQ([2.61])
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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 | dnl Sets and AC_SUBSTs the LIB${NAME}_PREFIX variable to nonempty if libname
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| 16 | dnl was found in ${LIB${NAME}_PREFIX}/$acl_libdirstem.
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| 17 | AC_DEFUN([AC_LIB_LINKFLAGS],
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| 18 | [
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| 19 | AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
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| 20 | AC_REQUIRE([AC_LIB_RPATH])
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| 21 | pushdef([Name],[m4_translit([$1],[./+-], [____])])
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| 22 | pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-],
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| 23 | [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
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| 24 | AC_CACHE_CHECK([how to link with lib[]$1], [ac_cv_lib[]Name[]_libs], [
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| 25 | AC_LIB_LINKFLAGS_BODY([$1], [$2])
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| 26 | ac_cv_lib[]Name[]_libs="$LIB[]NAME"
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| 27 | ac_cv_lib[]Name[]_ltlibs="$LTLIB[]NAME"
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| 28 | ac_cv_lib[]Name[]_cppflags="$INC[]NAME"
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| 29 | ac_cv_lib[]Name[]_prefix="$LIB[]NAME[]_PREFIX"
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| 30 | ])
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| 31 | LIB[]NAME="$ac_cv_lib[]Name[]_libs"
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| 32 | LTLIB[]NAME="$ac_cv_lib[]Name[]_ltlibs"
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| 33 | INC[]NAME="$ac_cv_lib[]Name[]_cppflags"
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| 34 | LIB[]NAME[]_PREFIX="$ac_cv_lib[]Name[]_prefix"
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| 35 | AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME)
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| 36 | AC_SUBST([LIB]NAME)
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| 37 | AC_SUBST([LTLIB]NAME)
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| 38 | AC_SUBST([LIB]NAME[_PREFIX])
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| 39 | dnl Also set HAVE_LIB[]NAME so that AC_LIB_HAVE_LINKFLAGS can reuse the
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| 40 | dnl results of this search when this library appears as a dependency.
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| 41 | HAVE_LIB[]NAME=yes
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| 42 | popdef([NAME])
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| 43 | popdef([Name])
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| 44 | ])
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| 45 |
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| 46 | dnl AC_LIB_HAVE_LINKFLAGS(name, dependencies, includes, testcode, [missing-message])
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| 47 | dnl searches for libname and the libraries corresponding to explicit and
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| 48 | dnl implicit dependencies, together with the specified include files and
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| 49 | dnl the ability to compile and link the specified testcode. The missing-message
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| 50 | dnl defaults to 'no' and may contain additional hints for the user.
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| 51 | dnl If found, it sets and AC_SUBSTs HAVE_LIB${NAME}=yes and the LIB${NAME}
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| 52 | dnl and LTLIB${NAME} variables and augments the CPPFLAGS variable, and
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| 53 | dnl #defines HAVE_LIB${NAME} to 1. Otherwise, it sets and AC_SUBSTs
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| 54 | dnl HAVE_LIB${NAME}=no and LIB${NAME} and LTLIB${NAME} to empty.
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| 55 | dnl Sets and AC_SUBSTs the LIB${NAME}_PREFIX variable to nonempty if libname
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| 56 | dnl was found in ${LIB${NAME}_PREFIX}/$acl_libdirstem.
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| 57 | AC_DEFUN([AC_LIB_HAVE_LINKFLAGS],
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| 58 | [
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| 59 | AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
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| 60 | AC_REQUIRE([AC_LIB_RPATH])
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| 61 | pushdef([Name],[m4_translit([$1],[./+-], [____])])
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| 62 | pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-],
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| 63 | [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
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| 64 |
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| 65 | dnl Search for lib[]Name and define LIB[]NAME, LTLIB[]NAME and INC[]NAME
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| 66 | dnl accordingly.
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| 67 | AC_LIB_LINKFLAGS_BODY([$1], [$2])
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| 68 |
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| 69 | dnl Add $INC[]NAME to CPPFLAGS before performing the following checks,
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| 70 | dnl because if the user has installed lib[]Name and not disabled its use
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| 71 | dnl via --without-lib[]Name-prefix, he wants to use it.
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| 72 | ac_save_CPPFLAGS="$CPPFLAGS"
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| 73 | AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME)
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| 74 |
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| 75 | AC_CACHE_CHECK([for lib[]$1], [ac_cv_lib[]Name], [
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| 76 | ac_save_LIBS="$LIBS"
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| 77 | dnl If $LIB[]NAME contains some -l options, add it to the end of LIBS,
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| 78 | dnl because these -l options might require -L options that are present in
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| 79 | dnl LIBS. -l options benefit only from the -L options listed before it.
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| 80 | dnl Otherwise, add it to the front of LIBS, because it may be a static
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| 81 | dnl library that depends on another static library that is present in LIBS.
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| 82 | dnl Static libraries benefit only from the static libraries listed after
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| 83 | dnl it.
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| 84 | case " $LIB[]NAME" in
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| 85 | *" -l"*) LIBS="$LIBS $LIB[]NAME" ;;
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| 86 | *) LIBS="$LIB[]NAME $LIBS" ;;
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| 87 | esac
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| 88 | AC_LINK_IFELSE(
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| 89 | [AC_LANG_PROGRAM([[$3]], [[$4]])],
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| 90 | [ac_cv_lib[]Name=yes],
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| 91 | [ac_cv_lib[]Name='m4_if([$5], [], [no], [[$5]])'])
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| 92 | LIBS="$ac_save_LIBS"
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| 93 | ])
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| 94 | if test "$ac_cv_lib[]Name" = yes; then
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| 95 | HAVE_LIB[]NAME=yes
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| 96 | AC_DEFINE([HAVE_LIB]NAME, 1, [Define if you have the lib][$1 library.])
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| 97 | AC_MSG_CHECKING([how to link with lib[]$1])
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| 98 | AC_MSG_RESULT([$LIB[]NAME])
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| 99 | else
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| 100 | HAVE_LIB[]NAME=no
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| 101 | dnl If $LIB[]NAME didn't lead to a usable library, we don't need
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| 102 | dnl $INC[]NAME either.
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| 103 | CPPFLAGS="$ac_save_CPPFLAGS"
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| 104 | LIB[]NAME=
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| 105 | LTLIB[]NAME=
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| 106 | LIB[]NAME[]_PREFIX=
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| 107 | fi
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| 108 | AC_SUBST([HAVE_LIB]NAME)
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| 109 | AC_SUBST([LIB]NAME)
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| 110 | AC_SUBST([LTLIB]NAME)
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| 111 | AC_SUBST([LIB]NAME[_PREFIX])
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| 112 | popdef([NAME])
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| 113 | popdef([Name])
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| 114 | ])
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| 115 |
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| 116 | dnl Determine the platform dependent parameters needed to use rpath:
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| 117 | dnl acl_libext,
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| 118 | dnl acl_shlibext,
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| 119 | dnl acl_libname_spec,
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| 120 | dnl acl_library_names_spec,
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| 121 | dnl acl_hardcode_libdir_flag_spec,
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| 122 | dnl acl_hardcode_libdir_separator,
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| 123 | dnl acl_hardcode_direct,
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| 124 | dnl acl_hardcode_minus_L.
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| 125 | AC_DEFUN([AC_LIB_RPATH],
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| 126 | [
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| 127 | dnl Complain if config.rpath is missing.
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| 128 | AC_REQUIRE_AUX_FILE([config.rpath])
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| 129 | AC_REQUIRE([AC_PROG_CC]) dnl we use $CC, $GCC, $LDFLAGS
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| 130 | AC_REQUIRE([AC_LIB_PROG_LD]) dnl we use $LD, $with_gnu_ld
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| 131 | AC_REQUIRE([AC_CANONICAL_HOST]) dnl we use $host
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| 132 | AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT]) dnl we use $ac_aux_dir
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| 133 | AC_CACHE_CHECK([for shared library run path origin], [acl_cv_rpath], [
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| 134 | CC="$CC" GCC="$GCC" LDFLAGS="$LDFLAGS" LD="$LD" with_gnu_ld="$with_gnu_ld" \
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| 135 | ${CONFIG_SHELL-/bin/sh} "$ac_aux_dir/config.rpath" "$host" > conftest.sh
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| 136 | . ./conftest.sh
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| 137 | rm -f ./conftest.sh
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| 138 | acl_cv_rpath=done
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| 139 | ])
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| 140 | wl="$acl_cv_wl"
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| 141 | acl_libext="$acl_cv_libext"
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| 142 | acl_shlibext="$acl_cv_shlibext"
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| 143 | acl_libname_spec="$acl_cv_libname_spec"
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| 144 | acl_library_names_spec="$acl_cv_library_names_spec"
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| 145 | acl_hardcode_libdir_flag_spec="$acl_cv_hardcode_libdir_flag_spec"
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| 146 | acl_hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator"
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| 147 | acl_hardcode_direct="$acl_cv_hardcode_direct"
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| 148 | acl_hardcode_minus_L="$acl_cv_hardcode_minus_L"
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| 149 | dnl Determine whether the user wants rpath handling at all.
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| 150 | AC_ARG_ENABLE([rpath],
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| 151 | [ --disable-rpath do not hardcode runtime library paths],
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| 152 | :, enable_rpath=yes)
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| 153 | ])
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| 154 |
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| 155 | dnl AC_LIB_FROMPACKAGE(name, package)
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| 156 | dnl declares that libname comes from the given package. The configure file
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| 157 | dnl will then not have a --with-libname-prefix option but a
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| 158 | dnl --with-package-prefix option. Several libraries can come from the same
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| 159 | dnl package. This declaration must occur before an AC_LIB_LINKFLAGS or similar
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| 160 | dnl macro call that searches for libname.
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| 161 | AC_DEFUN([AC_LIB_FROMPACKAGE],
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| 162 | [
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| 163 | pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-],
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| 164 | [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
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| 165 | define([acl_frompackage_]NAME, [$2])
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| 166 | popdef([NAME])
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| 167 | pushdef([PACK],[$2])
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| 168 | pushdef([PACKUP],[m4_translit(PACK,[abcdefghijklmnopqrstuvwxyz./+-],
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| 169 | [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
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| 170 | define([acl_libsinpackage_]PACKUP,
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| 171 | m4_ifdef([acl_libsinpackage_]PACKUP, [m4_defn([acl_libsinpackage_]PACKUP)[, ]],)[lib$1])
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| 172 | popdef([PACKUP])
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| 173 | popdef([PACK])
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| 174 | ])
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| 175 |
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| 176 | dnl AC_LIB_LINKFLAGS_BODY(name [, dependencies]) searches for libname and
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| 177 | dnl the libraries corresponding to explicit and implicit dependencies.
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| 178 | dnl Sets the LIB${NAME}, LTLIB${NAME} and INC${NAME} variables.
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| 179 | dnl Also, sets the LIB${NAME}_PREFIX variable to nonempty if libname was found
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| 180 | dnl in ${LIB${NAME}_PREFIX}/$acl_libdirstem.
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| 181 | AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
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| 182 | [
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| 183 | AC_REQUIRE([AC_LIB_PREPARE_MULTILIB])
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| 184 | pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-],
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| 185 | [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
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| 186 | pushdef([PACK],[m4_ifdef([acl_frompackage_]NAME, [acl_frompackage_]NAME, lib[$1])])
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| 187 | pushdef([PACKUP],[m4_translit(PACK,[abcdefghijklmnopqrstuvwxyz./+-],
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| 188 | [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
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| 189 | pushdef([PACKLIBS],[m4_ifdef([acl_frompackage_]NAME, [acl_libsinpackage_]PACKUP, lib[$1])])
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| 190 | dnl By default, look in $includedir and $libdir.
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| 191 | use_additional=yes
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| 192 | AC_LIB_WITH_FINAL_PREFIX([
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| 193 | eval additional_includedir=\"$includedir\"
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| 194 | eval additional_libdir=\"$libdir\"
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| 195 | eval additional_libdir2=\"$exec_prefix/$acl_libdirstem2\"
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| 196 | eval additional_libdir3=\"$exec_prefix/$acl_libdirstem3\"
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| 197 | ])
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| 198 | AC_ARG_WITH(PACK[-prefix],
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| 199 | [[ --with-]]PACK[[-prefix[=DIR] search for ]PACKLIBS[ in DIR/include and DIR/lib
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| 200 | --without-]]PACK[[-prefix don't search for ]PACKLIBS[ in includedir and libdir]],
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| 201 | [
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| 202 | if test "X$withval" = "Xno"; then
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| 203 | use_additional=no
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| 204 | else
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| 205 | if test "X$withval" = "X"; then
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| 206 | AC_LIB_WITH_FINAL_PREFIX([
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| 207 | eval additional_includedir=\"$includedir\"
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| 208 | eval additional_libdir=\"$libdir\"
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| 209 | eval additional_libdir2=\"$exec_prefix/$acl_libdirstem2\"
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| 210 | eval additional_libdir3=\"$exec_prefix/$acl_libdirstem3\"
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| 211 | ])
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| 212 | else
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| 213 | additional_includedir="$withval/include"
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| 214 | additional_libdir="$withval/$acl_libdirstem"
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| 215 | additional_libdir2="$withval/$acl_libdirstem2"
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| 216 | additional_libdir3="$withval/$acl_libdirstem3"
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| 217 | fi
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| 218 | fi
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| 219 | ])
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| 220 | if test "X$additional_libdir2" = "X$additional_libdir"; then
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| 221 | additional_libdir2=
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| 222 | fi
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| 223 | if test "X$additional_libdir3" = "X$additional_libdir"; then
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| 224 | additional_libdir3=
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| 225 | fi
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| 226 | dnl Search the library and its dependencies in $additional_libdir and
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| 227 | dnl $LDFLAGS. Using breadth-first-seach.
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| 228 | LIB[]NAME=
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| 229 | LTLIB[]NAME=
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| 230 | INC[]NAME=
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| 231 | LIB[]NAME[]_PREFIX=
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| 232 | dnl HAVE_LIB${NAME} is an indicator that LIB${NAME}, LTLIB${NAME} have been
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| 233 | dnl computed. So it has to be reset here.
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| 234 | HAVE_LIB[]NAME=
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| 235 | rpathdirs=
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| 236 | ltrpathdirs=
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| 237 | names_already_handled=
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| 238 | names_next_round='$1 $2'
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| 239 | while test -n "$names_next_round"; do
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| 240 | names_this_round="$names_next_round"
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| 241 | names_next_round=
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| 242 | for name in $names_this_round; do
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| 243 | already_handled=
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| 244 | for n in $names_already_handled; do
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| 245 | if test "$n" = "$name"; then
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| 246 | already_handled=yes
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| 247 | break
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| 248 | fi
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| 249 | done
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| 250 | if test -z "$already_handled"; then
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| 251 | names_already_handled="$names_already_handled $name"
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| 252 | dnl See if it was already located by an earlier AC_LIB_LINKFLAGS
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| 253 | dnl or AC_LIB_HAVE_LINKFLAGS call.
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| 254 | uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./+-|ABCDEFGHIJKLMNOPQRSTUVWXYZ____|'`
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| 255 | eval value=\"\$HAVE_LIB$uppername\"
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| 256 | if test -n "$value"; then
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| 257 | if test "$value" = yes; then
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| 258 | eval value=\"\$LIB$uppername\"
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| 259 | test -z "$value" || LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$value"
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| 260 | eval value=\"\$LTLIB$uppername\"
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| 261 | test -z "$value" || LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$value"
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| 262 | else
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| 263 | dnl An earlier call to AC_LIB_HAVE_LINKFLAGS has determined
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| 264 | dnl that this library doesn't exist. So just drop it.
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| 265 | :
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| 266 | fi
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| 267 | else
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| 268 | dnl Search the library lib$name in $additional_libdir and $LDFLAGS
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| 269 | dnl and the already constructed $LIBNAME/$LTLIBNAME.
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| 270 | found_dir=
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| 271 | found_la=
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| 272 | found_so=
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| 273 | found_a=
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| 274 | eval libname=\"$acl_libname_spec\" # typically: libname=lib$name
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| 275 | if test -n "$acl_shlibext"; then
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| 276 | shrext=".$acl_shlibext" # typically: shrext=.so
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| 277 | else
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| 278 | shrext=
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| 279 | fi
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| 280 | if test $use_additional = yes; then
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| 281 | for additional_libdir_variable in additional_libdir additional_libdir2 additional_libdir3; do
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| 282 | if test "X$found_dir" = "X"; then
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| 283 | eval dir=\$$additional_libdir_variable
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| 284 | if test -n "$dir"; then
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| 285 | dnl The same code as in the loop below:
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| 286 | dnl First look for a shared library.
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| 287 | if test -n "$acl_shlibext"; then
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| 288 | if test -f "$dir/$libname$shrext" && acl_is_expected_elfclass < "$dir/$libname$shrext"; then
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| 289 | found_dir="$dir"
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| 290 | found_so="$dir/$libname$shrext"
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| 291 | else
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| 292 | if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then
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| 293 | ver=`(cd "$dir" && \
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| 294 | for f in "$libname$shrext".*; do echo "$f"; done \
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| 295 | | sed -e "s,^$libname$shrext\\\\.,," \
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| 296 | | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \
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| 297 | | sed 1q ) 2>/dev/null`
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| 298 | if test -n "$ver" && test -f "$dir/$libname$shrext.$ver" && acl_is_expected_elfclass < "$dir/$libname$shrext.$ver"; then
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| 299 | found_dir="$dir"
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| 300 | found_so="$dir/$libname$shrext.$ver"
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| 301 | fi
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| 302 | else
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| 303 | eval library_names=\"$acl_library_names_spec\"
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| 304 | for f in $library_names; do
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| 305 | if test -f "$dir/$f" && acl_is_expected_elfclass < "$dir/$f"; then
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| 306 | found_dir="$dir"
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| 307 | found_so="$dir/$f"
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| 308 | break
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| 309 | fi
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| 310 | done
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| 311 | fi
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| 312 | fi
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| 313 | fi
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| 314 | dnl Then look for a static library.
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| 315 | if test "X$found_dir" = "X"; then
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| 316 | if test -f "$dir/$libname.$acl_libext" && ${AR-ar} -p "$dir/$libname.$acl_libext" | acl_is_expected_elfclass; then
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| 317 | found_dir="$dir"
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| 318 | found_a="$dir/$libname.$acl_libext"
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| 319 | fi
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| 320 | fi
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| 321 | if test "X$found_dir" != "X"; then
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| 322 | if test -f "$dir/$libname.la"; then
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| 323 | found_la="$dir/$libname.la"
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| 324 | fi
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| 325 | fi
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| 326 | fi
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| 327 | fi
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| 328 | done
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| 329 | fi
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| 330 | if test "X$found_dir" = "X"; then
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| 331 | for x in $LDFLAGS $LTLIB[]NAME; do
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| 332 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
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| 333 | case "$x" in
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| 334 | -L*)
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| 335 | dir=`echo "X$x" | sed -e 's/^X-L//'`
|
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| 336 | dnl First look for a shared library.
|
|---|
| 337 | if test -n "$acl_shlibext"; then
|
|---|
| 338 | if test -f "$dir/$libname$shrext" && acl_is_expected_elfclass < "$dir/$libname$shrext"; then
|
|---|
| 339 | found_dir="$dir"
|
|---|
| 340 | found_so="$dir/$libname$shrext"
|
|---|
| 341 | else
|
|---|
| 342 | if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then
|
|---|
| 343 | ver=`(cd "$dir" && \
|
|---|
| 344 | for f in "$libname$shrext".*; do echo "$f"; done \
|
|---|
| 345 | | sed -e "s,^$libname$shrext\\\\.,," \
|
|---|
| 346 | | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \
|
|---|
| 347 | | sed 1q ) 2>/dev/null`
|
|---|
| 348 | if test -n "$ver" && test -f "$dir/$libname$shrext.$ver" && acl_is_expected_elfclass < "$dir/$libname$shrext.$ver"; then
|
|---|
| 349 | found_dir="$dir"
|
|---|
| 350 | found_so="$dir/$libname$shrext.$ver"
|
|---|
| 351 | fi
|
|---|
| 352 | else
|
|---|
| 353 | eval library_names=\"$acl_library_names_spec\"
|
|---|
| 354 | for f in $library_names; do
|
|---|
| 355 | if test -f "$dir/$f" && acl_is_expected_elfclass < "$dir/$f"; then
|
|---|
| 356 | found_dir="$dir"
|
|---|
| 357 | found_so="$dir/$f"
|
|---|
| 358 | break
|
|---|
| 359 | fi
|
|---|
| 360 | done
|
|---|
| 361 | fi
|
|---|
| 362 | fi
|
|---|
| 363 | fi
|
|---|
| 364 | dnl Then look for a static library.
|
|---|
| 365 | if test "X$found_dir" = "X"; then
|
|---|
| 366 | if test -f "$dir/$libname.$acl_libext" && ${AR-ar} -p "$dir/$libname.$acl_libext" | acl_is_expected_elfclass; then
|
|---|
| 367 | found_dir="$dir"
|
|---|
| 368 | found_a="$dir/$libname.$acl_libext"
|
|---|
| 369 | fi
|
|---|
| 370 | fi
|
|---|
| 371 | if test "X$found_dir" != "X"; then
|
|---|
| 372 | if test -f "$dir/$libname.la"; then
|
|---|
| 373 | found_la="$dir/$libname.la"
|
|---|
| 374 | fi
|
|---|
| 375 | fi
|
|---|
| 376 | ;;
|
|---|
| 377 | esac
|
|---|
| 378 | if test "X$found_dir" != "X"; then
|
|---|
| 379 | break
|
|---|
| 380 | fi
|
|---|
| 381 | done
|
|---|
| 382 | fi
|
|---|
| 383 | if test "X$found_dir" != "X"; then
|
|---|
| 384 | dnl Found the library.
|
|---|
| 385 | LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$found_dir -l$name"
|
|---|
| 386 | if test "X$found_so" != "X"; then
|
|---|
| 387 | dnl Linking with a shared library. We attempt to hardcode its
|
|---|
| 388 | dnl directory into the executable's runpath, unless it's the
|
|---|
| 389 | dnl standard /usr/lib.
|
|---|
| 390 | if test "$enable_rpath" = no \
|
|---|
| 391 | || test "X$found_dir" = "X/usr/$acl_libdirstem" \
|
|---|
| 392 | || test "X$found_dir" = "X/usr/$acl_libdirstem2" \
|
|---|
| 393 | || test "X$found_dir" = "X/usr/$acl_libdirstem3"; then
|
|---|
| 394 | dnl No hardcoding is needed.
|
|---|
| 395 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
|
|---|
| 396 | else
|
|---|
| 397 | dnl Use an explicit option to hardcode DIR into the resulting
|
|---|
| 398 | dnl binary.
|
|---|
| 399 | dnl Potentially add DIR to ltrpathdirs.
|
|---|
| 400 | dnl The ltrpathdirs will be appended to $LTLIBNAME at the end.
|
|---|
| 401 | haveit=
|
|---|
| 402 | for x in $ltrpathdirs; do
|
|---|
| 403 | if test "X$x" = "X$found_dir"; then
|
|---|
| 404 | haveit=yes
|
|---|
| 405 | break
|
|---|
| 406 | fi
|
|---|
| 407 | done
|
|---|
| 408 | if test -z "$haveit"; then
|
|---|
| 409 | ltrpathdirs="$ltrpathdirs $found_dir"
|
|---|
| 410 | fi
|
|---|
| 411 | dnl The hardcoding into $LIBNAME is system dependent.
|
|---|
| 412 | if test "$acl_hardcode_direct" = yes; then
|
|---|
| 413 | dnl Using DIR/libNAME.so during linking hardcodes DIR into the
|
|---|
| 414 | dnl resulting binary.
|
|---|
| 415 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
|
|---|
| 416 | else
|
|---|
| 417 | if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then
|
|---|
| 418 | dnl Use an explicit option to hardcode DIR into the resulting
|
|---|
| 419 | dnl binary.
|
|---|
| 420 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
|
|---|
| 421 | dnl Potentially add DIR to rpathdirs.
|
|---|
| 422 | dnl The rpathdirs will be appended to $LIBNAME at the end.
|
|---|
| 423 | haveit=
|
|---|
| 424 | for x in $rpathdirs; do
|
|---|
| 425 | if test "X$x" = "X$found_dir"; then
|
|---|
| 426 | haveit=yes
|
|---|
| 427 | break
|
|---|
| 428 | fi
|
|---|
| 429 | done
|
|---|
| 430 | if test -z "$haveit"; then
|
|---|
| 431 | rpathdirs="$rpathdirs $found_dir"
|
|---|
| 432 | fi
|
|---|
| 433 | else
|
|---|
| 434 | dnl Rely on "-L$found_dir".
|
|---|
| 435 | dnl But don't add it if it's already contained in the LDFLAGS
|
|---|
| 436 | dnl or the already constructed $LIBNAME
|
|---|
| 437 | haveit=
|
|---|
| 438 | for x in $LDFLAGS $LIB[]NAME; do
|
|---|
| 439 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
|
|---|
| 440 | if test "X$x" = "X-L$found_dir"; then
|
|---|
| 441 | haveit=yes
|
|---|
| 442 | break
|
|---|
| 443 | fi
|
|---|
| 444 | done
|
|---|
| 445 | if test -z "$haveit"; then
|
|---|
| 446 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir"
|
|---|
| 447 | fi
|
|---|
| 448 | if test "$acl_hardcode_minus_L" != no; then
|
|---|
| 449 | dnl FIXME: Not sure whether we should use
|
|---|
| 450 | dnl "-L$found_dir -l$name" or "-L$found_dir $found_so"
|
|---|
| 451 | dnl here.
|
|---|
| 452 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
|
|---|
| 453 | else
|
|---|
| 454 | dnl We cannot use $acl_hardcode_runpath_var and LD_RUN_PATH
|
|---|
| 455 | dnl here, because this doesn't fit in flags passed to the
|
|---|
| 456 | dnl compiler. So give up. No hardcoding. This affects only
|
|---|
| 457 | dnl very old systems.
|
|---|
| 458 | dnl FIXME: Not sure whether we should use
|
|---|
| 459 | dnl "-L$found_dir -l$name" or "-L$found_dir $found_so"
|
|---|
| 460 | dnl here.
|
|---|
| 461 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name"
|
|---|
| 462 | fi
|
|---|
| 463 | fi
|
|---|
| 464 | fi
|
|---|
| 465 | fi
|
|---|
| 466 | else
|
|---|
| 467 | if test "X$found_a" != "X"; then
|
|---|
| 468 | dnl Linking with a static library.
|
|---|
| 469 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_a"
|
|---|
| 470 | else
|
|---|
| 471 | dnl We shouldn't come here, but anyway it's good to have a
|
|---|
| 472 | dnl fallback.
|
|---|
| 473 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir -l$name"
|
|---|
| 474 | fi
|
|---|
| 475 | fi
|
|---|
| 476 | dnl Assume the include files are nearby.
|
|---|
| 477 | additional_includedir=
|
|---|
| 478 | case "$found_dir" in
|
|---|
| 479 | */$acl_libdirstem | */$acl_libdirstem/)
|
|---|
| 480 | basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem/"'*$,,'`
|
|---|
| 481 | if test "$name" = '$1'; then
|
|---|
| 482 | LIB[]NAME[]_PREFIX="$basedir"
|
|---|
| 483 | fi
|
|---|
| 484 | additional_includedir="$basedir/include"
|
|---|
| 485 | ;;
|
|---|
| 486 | */$acl_libdirstem2 | */$acl_libdirstem2/)
|
|---|
| 487 | basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem2/"'*$,,'`
|
|---|
| 488 | if test "$name" = '$1'; then
|
|---|
| 489 | LIB[]NAME[]_PREFIX="$basedir"
|
|---|
| 490 | fi
|
|---|
| 491 | additional_includedir="$basedir/include"
|
|---|
| 492 | ;;
|
|---|
| 493 | */$acl_libdirstem3 | */$acl_libdirstem3/)
|
|---|
| 494 | basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem3/"'*$,,'`
|
|---|
| 495 | if test "$name" = '$1'; then
|
|---|
| 496 | LIB[]NAME[]_PREFIX="$basedir"
|
|---|
| 497 | fi
|
|---|
| 498 | additional_includedir="$basedir/include"
|
|---|
| 499 | ;;
|
|---|
| 500 | esac
|
|---|
| 501 | if test "X$additional_includedir" != "X"; then
|
|---|
| 502 | dnl Potentially add $additional_includedir to $INCNAME.
|
|---|
| 503 | dnl But don't add it
|
|---|
| 504 | dnl 1. if it's the standard /usr/include,
|
|---|
| 505 | dnl 2. if it's /usr/local/include and we are using GCC on Linux,
|
|---|
| 506 | dnl 3. if it's already present in $CPPFLAGS or the already
|
|---|
| 507 | dnl constructed $INCNAME,
|
|---|
| 508 | dnl 4. if it doesn't exist as a directory.
|
|---|
| 509 | if test "X$additional_includedir" != "X/usr/include"; then
|
|---|
| 510 | haveit=
|
|---|
| 511 | if test "X$additional_includedir" = "X/usr/local/include"; then
|
|---|
| 512 | if test -n "$GCC"; then
|
|---|
| 513 | case $host_os in
|
|---|
| 514 | linux* | gnu* | k*bsd*-gnu) haveit=yes;;
|
|---|
| 515 | esac
|
|---|
| 516 | fi
|
|---|
| 517 | fi
|
|---|
| 518 | if test -z "$haveit"; then
|
|---|
| 519 | for x in $CPPFLAGS $INC[]NAME; do
|
|---|
| 520 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
|
|---|
| 521 | if test "X$x" = "X-I$additional_includedir"; then
|
|---|
| 522 | haveit=yes
|
|---|
| 523 | break
|
|---|
| 524 | fi
|
|---|
| 525 | done
|
|---|
| 526 | if test -z "$haveit"; then
|
|---|
| 527 | if test -d "$additional_includedir"; then
|
|---|
| 528 | dnl Really add $additional_includedir to $INCNAME.
|
|---|
| 529 | INC[]NAME="${INC[]NAME}${INC[]NAME:+ }-I$additional_includedir"
|
|---|
| 530 | fi
|
|---|
| 531 | fi
|
|---|
| 532 | fi
|
|---|
| 533 | fi
|
|---|
| 534 | fi
|
|---|
| 535 | dnl Look for dependencies.
|
|---|
| 536 | if test -n "$found_la"; then
|
|---|
| 537 | dnl Read the .la file. It defines the variables
|
|---|
| 538 | dnl dlname, library_names, old_library, dependency_libs, current,
|
|---|
| 539 | dnl age, revision, installed, dlopen, dlpreopen, libdir.
|
|---|
| 540 | save_libdir="$libdir"
|
|---|
| 541 | case "$found_la" in
|
|---|
| 542 | */* | *\\*) . "$found_la" ;;
|
|---|
| 543 | *) . "./$found_la" ;;
|
|---|
| 544 | esac
|
|---|
| 545 | libdir="$save_libdir"
|
|---|
| 546 | dnl We use only dependency_libs.
|
|---|
| 547 | for dep in $dependency_libs; do
|
|---|
| 548 | case "$dep" in
|
|---|
| 549 | -L*)
|
|---|
| 550 | dependency_libdir=`echo "X$dep" | sed -e 's/^X-L//'`
|
|---|
| 551 | dnl Potentially add $dependency_libdir to $LIBNAME and $LTLIBNAME.
|
|---|
| 552 | dnl But don't add it
|
|---|
| 553 | dnl 1. if it's the standard /usr/lib,
|
|---|
| 554 | dnl 2. if it's /usr/local/lib and we are using GCC on Linux,
|
|---|
| 555 | dnl 3. if it's already present in $LDFLAGS or the already
|
|---|
| 556 | dnl constructed $LIBNAME,
|
|---|
| 557 | dnl 4. if it doesn't exist as a directory.
|
|---|
| 558 | if test "X$dependency_libdir" != "X/usr/$acl_libdirstem" \
|
|---|
| 559 | && test "X$dependency_libdir" != "X/usr/$acl_libdirstem2" \
|
|---|
| 560 | && test "X$dependency_libdir" != "X/usr/$acl_libdirstem3"; then
|
|---|
| 561 | haveit=
|
|---|
| 562 | if test "X$dependency_libdir" = "X/usr/local/$acl_libdirstem" \
|
|---|
| 563 | || test "X$dependency_libdir" = "X/usr/local/$acl_libdirstem2" \
|
|---|
| 564 | || test "X$dependency_libdir" = "X/usr/local/$acl_libdirstem3"; then
|
|---|
| 565 | if test -n "$GCC"; then
|
|---|
| 566 | case $host_os in
|
|---|
| 567 | linux* | gnu* | k*bsd*-gnu) haveit=yes;;
|
|---|
| 568 | esac
|
|---|
| 569 | fi
|
|---|
| 570 | fi
|
|---|
| 571 | if test -z "$haveit"; then
|
|---|
| 572 | haveit=
|
|---|
| 573 | for x in $LDFLAGS $LIB[]NAME; do
|
|---|
| 574 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
|
|---|
| 575 | if test "X$x" = "X-L$dependency_libdir"; then
|
|---|
| 576 | haveit=yes
|
|---|
| 577 | break
|
|---|
| 578 | fi
|
|---|
| 579 | done
|
|---|
| 580 | if test -z "$haveit"; then
|
|---|
| 581 | if test -d "$dependency_libdir"; then
|
|---|
| 582 | dnl Really add $dependency_libdir to $LIBNAME.
|
|---|
| 583 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$dependency_libdir"
|
|---|
| 584 | fi
|
|---|
| 585 | fi
|
|---|
| 586 | haveit=
|
|---|
| 587 | for x in $LDFLAGS $LTLIB[]NAME; do
|
|---|
| 588 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
|
|---|
| 589 | if test "X$x" = "X-L$dependency_libdir"; then
|
|---|
| 590 | haveit=yes
|
|---|
| 591 | break
|
|---|
| 592 | fi
|
|---|
| 593 | done
|
|---|
| 594 | if test -z "$haveit"; then
|
|---|
| 595 | if test -d "$dependency_libdir"; then
|
|---|
| 596 | dnl Really add $dependency_libdir to $LTLIBNAME.
|
|---|
| 597 | LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$dependency_libdir"
|
|---|
| 598 | fi
|
|---|
| 599 | fi
|
|---|
| 600 | fi
|
|---|
| 601 | fi
|
|---|
| 602 | ;;
|
|---|
| 603 | -R*)
|
|---|
| 604 | dir=`echo "X$dep" | sed -e 's/^X-R//'`
|
|---|
| 605 | if test "$enable_rpath" != no; then
|
|---|
| 606 | dnl Potentially add DIR to rpathdirs.
|
|---|
| 607 | dnl The rpathdirs will be appended to $LIBNAME at the end.
|
|---|
| 608 | haveit=
|
|---|
| 609 | for x in $rpathdirs; do
|
|---|
| 610 | if test "X$x" = "X$dir"; then
|
|---|
| 611 | haveit=yes
|
|---|
| 612 | break
|
|---|
| 613 | fi
|
|---|
| 614 | done
|
|---|
| 615 | if test -z "$haveit"; then
|
|---|
| 616 | rpathdirs="$rpathdirs $dir"
|
|---|
| 617 | fi
|
|---|
| 618 | dnl Potentially add DIR to ltrpathdirs.
|
|---|
| 619 | dnl The ltrpathdirs will be appended to $LTLIBNAME at the end.
|
|---|
| 620 | haveit=
|
|---|
| 621 | for x in $ltrpathdirs; do
|
|---|
| 622 | if test "X$x" = "X$dir"; then
|
|---|
| 623 | haveit=yes
|
|---|
| 624 | break
|
|---|
| 625 | fi
|
|---|
| 626 | done
|
|---|
| 627 | if test -z "$haveit"; then
|
|---|
| 628 | ltrpathdirs="$ltrpathdirs $dir"
|
|---|
| 629 | fi
|
|---|
| 630 | fi
|
|---|
| 631 | ;;
|
|---|
| 632 | -l*)
|
|---|
| 633 | dnl Handle this in the next round.
|
|---|
| 634 | dnl But on GNU systems, ignore -lc options, because
|
|---|
| 635 | dnl - linking with libc is the default anyway,
|
|---|
| 636 | dnl - linking with libc.a may produce an error
|
|---|
| 637 | dnl "/usr/bin/ld: dynamic STT_GNU_IFUNC symbol `strcmp' with pointer equality in `/usr/lib/libc.a(strcmp.o)' can not be used when making an executable; recompile with -fPIE and relink with -pie"
|
|---|
| 638 | dnl or may produce an executable that always crashes, see
|
|---|
| 639 | dnl <https://lists.gnu.org/archive/html/grep-devel/2020-09/msg00052.html>.
|
|---|
| 640 | dep=`echo "X$dep" | sed -e 's/^X-l//'`
|
|---|
| 641 | if test "X$dep" != Xc \
|
|---|
| 642 | || case $host_os in
|
|---|
| 643 | linux* | gnu* | k*bsd*-gnu) false ;;
|
|---|
| 644 | *) true ;;
|
|---|
| 645 | esac; then
|
|---|
| 646 | names_next_round="$names_next_round $dep"
|
|---|
| 647 | fi
|
|---|
| 648 | ;;
|
|---|
| 649 | *.la)
|
|---|
| 650 | dnl Handle this in the next round. Throw away the .la's
|
|---|
| 651 | dnl directory; it is already contained in a preceding -L
|
|---|
| 652 | dnl option.
|
|---|
| 653 | names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'`
|
|---|
| 654 | ;;
|
|---|
| 655 | *)
|
|---|
| 656 | dnl Most likely an immediate library name.
|
|---|
| 657 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$dep"
|
|---|
| 658 | LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$dep"
|
|---|
| 659 | ;;
|
|---|
| 660 | esac
|
|---|
| 661 | done
|
|---|
| 662 | fi
|
|---|
| 663 | else
|
|---|
| 664 | dnl Didn't find the library; assume it is in the system directories
|
|---|
| 665 | dnl known to the linker and runtime loader. (All the system
|
|---|
| 666 | dnl directories known to the linker should also be known to the
|
|---|
| 667 | dnl runtime loader, otherwise the system is severely misconfigured.)
|
|---|
| 668 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name"
|
|---|
| 669 | LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-l$name"
|
|---|
| 670 | fi
|
|---|
| 671 | fi
|
|---|
| 672 | fi
|
|---|
| 673 | done
|
|---|
| 674 | done
|
|---|
| 675 | if test "X$rpathdirs" != "X"; then
|
|---|
| 676 | if test -n "$acl_hardcode_libdir_separator"; then
|
|---|
| 677 | dnl Weird platform: only the last -rpath option counts, the user must
|
|---|
| 678 | dnl pass all path elements in one option. We can arrange that for a
|
|---|
| 679 | dnl single library, but not when more than one $LIBNAMEs are used.
|
|---|
| 680 | alldirs=
|
|---|
| 681 | for found_dir in $rpathdirs; do
|
|---|
| 682 | alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$found_dir"
|
|---|
| 683 | done
|
|---|
| 684 | dnl Note: acl_hardcode_libdir_flag_spec uses $libdir and $wl.
|
|---|
| 685 | acl_save_libdir="$libdir"
|
|---|
| 686 | libdir="$alldirs"
|
|---|
| 687 | eval flag=\"$acl_hardcode_libdir_flag_spec\"
|
|---|
| 688 | libdir="$acl_save_libdir"
|
|---|
| 689 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag"
|
|---|
| 690 | else
|
|---|
| 691 | dnl The -rpath options are cumulative.
|
|---|
| 692 | for found_dir in $rpathdirs; do
|
|---|
| 693 | acl_save_libdir="$libdir"
|
|---|
| 694 | libdir="$found_dir"
|
|---|
| 695 | eval flag=\"$acl_hardcode_libdir_flag_spec\"
|
|---|
| 696 | libdir="$acl_save_libdir"
|
|---|
| 697 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag"
|
|---|
| 698 | done
|
|---|
| 699 | fi
|
|---|
| 700 | fi
|
|---|
| 701 | if test "X$ltrpathdirs" != "X"; then
|
|---|
| 702 | dnl When using libtool, the option that works for both libraries and
|
|---|
| 703 | dnl executables is -R. The -R options are cumulative.
|
|---|
| 704 | for found_dir in $ltrpathdirs; do
|
|---|
| 705 | LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-R$found_dir"
|
|---|
| 706 | done
|
|---|
| 707 | fi
|
|---|
| 708 | popdef([PACKLIBS])
|
|---|
| 709 | popdef([PACKUP])
|
|---|
| 710 | popdef([PACK])
|
|---|
| 711 | popdef([NAME])
|
|---|
| 712 | ])
|
|---|
| 713 |
|
|---|
| 714 | dnl AC_LIB_APPENDTOVAR(VAR, CONTENTS) appends the elements of CONTENTS to VAR,
|
|---|
| 715 | dnl unless already present in VAR.
|
|---|
| 716 | dnl Works only for CPPFLAGS, not for LIB* variables because that sometimes
|
|---|
| 717 | dnl contains two or three consecutive elements that belong together.
|
|---|
| 718 | AC_DEFUN([AC_LIB_APPENDTOVAR],
|
|---|
| 719 | [
|
|---|
| 720 | for element in [$2]; do
|
|---|
| 721 | haveit=
|
|---|
| 722 | for x in $[$1]; do
|
|---|
| 723 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
|
|---|
| 724 | if test "X$x" = "X$element"; then
|
|---|
| 725 | haveit=yes
|
|---|
| 726 | break
|
|---|
| 727 | fi
|
|---|
| 728 | done
|
|---|
| 729 | if test -z "$haveit"; then
|
|---|
| 730 | [$1]="${[$1]}${[$1]:+ }$element"
|
|---|
| 731 | fi
|
|---|
| 732 | done
|
|---|
| 733 | ])
|
|---|
| 734 |
|
|---|
| 735 | dnl For those cases where a variable contains several -L and -l options
|
|---|
| 736 | dnl referring to unknown libraries and directories, this macro determines the
|
|---|
| 737 | dnl necessary additional linker options for the runtime path.
|
|---|
| 738 | dnl AC_LIB_LINKFLAGS_FROM_LIBS([LDADDVAR], [LIBSVALUE], [USE-LIBTOOL])
|
|---|
| 739 | dnl sets LDADDVAR to linker options needed together with LIBSVALUE.
|
|---|
| 740 | dnl If USE-LIBTOOL evaluates to non-empty, linking with libtool is assumed,
|
|---|
| 741 | dnl otherwise linking without libtool is assumed.
|
|---|
| 742 | AC_DEFUN([AC_LIB_LINKFLAGS_FROM_LIBS],
|
|---|
| 743 | [
|
|---|
| 744 | AC_REQUIRE([AC_LIB_RPATH])
|
|---|
| 745 | AC_REQUIRE([AC_LIB_PREPARE_MULTILIB])
|
|---|
| 746 | $1=
|
|---|
| 747 | if test "$enable_rpath" != no; then
|
|---|
| 748 | if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then
|
|---|
| 749 | dnl Use an explicit option to hardcode directories into the resulting
|
|---|
| 750 | dnl binary.
|
|---|
| 751 | rpathdirs=
|
|---|
| 752 | next=
|
|---|
| 753 | for opt in $2; do
|
|---|
| 754 | if test -n "$next"; then
|
|---|
| 755 | dir="$next"
|
|---|
| 756 | dnl No need to hardcode the standard /usr/lib.
|
|---|
| 757 | if test "X$dir" != "X/usr/$acl_libdirstem" \
|
|---|
| 758 | && test "X$dir" != "X/usr/$acl_libdirstem2" \
|
|---|
| 759 | && test "X$dir" != "X/usr/$acl_libdirstem3"; then
|
|---|
| 760 | rpathdirs="$rpathdirs $dir"
|
|---|
| 761 | fi
|
|---|
| 762 | next=
|
|---|
| 763 | else
|
|---|
| 764 | case $opt in
|
|---|
| 765 | -L) next=yes ;;
|
|---|
| 766 | -L*) dir=`echo "X$opt" | sed -e 's,^X-L,,'`
|
|---|
| 767 | dnl No need to hardcode the standard /usr/lib.
|
|---|
| 768 | if test "X$dir" != "X/usr/$acl_libdirstem" \
|
|---|
| 769 | && test "X$dir" != "X/usr/$acl_libdirstem2" \
|
|---|
| 770 | && test "X$dir" != "X/usr/$acl_libdirstem3"; then
|
|---|
| 771 | rpathdirs="$rpathdirs $dir"
|
|---|
| 772 | fi
|
|---|
| 773 | next= ;;
|
|---|
| 774 | *) next= ;;
|
|---|
| 775 | esac
|
|---|
| 776 | fi
|
|---|
| 777 | done
|
|---|
| 778 | if test "X$rpathdirs" != "X"; then
|
|---|
| 779 | if test -n ""$3""; then
|
|---|
| 780 | dnl libtool is used for linking. Use -R options.
|
|---|
| 781 | for dir in $rpathdirs; do
|
|---|
| 782 | $1="${$1}${$1:+ }-R$dir"
|
|---|
| 783 | done
|
|---|
| 784 | else
|
|---|
| 785 | dnl The linker is used for linking directly.
|
|---|
| 786 | if test -n "$acl_hardcode_libdir_separator"; then
|
|---|
| 787 | dnl Weird platform: only the last -rpath option counts, the user
|
|---|
| 788 | dnl must pass all path elements in one option.
|
|---|
| 789 | alldirs=
|
|---|
| 790 | for dir in $rpathdirs; do
|
|---|
| 791 | alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$dir"
|
|---|
| 792 | done
|
|---|
| 793 | acl_save_libdir="$libdir"
|
|---|
| 794 | libdir="$alldirs"
|
|---|
| 795 | eval flag=\"$acl_hardcode_libdir_flag_spec\"
|
|---|
| 796 | libdir="$acl_save_libdir"
|
|---|
| 797 | $1="$flag"
|
|---|
| 798 | else
|
|---|
| 799 | dnl The -rpath options are cumulative.
|
|---|
| 800 | for dir in $rpathdirs; do
|
|---|
| 801 | acl_save_libdir="$libdir"
|
|---|
| 802 | libdir="$dir"
|
|---|
| 803 | eval flag=\"$acl_hardcode_libdir_flag_spec\"
|
|---|
| 804 | libdir="$acl_save_libdir"
|
|---|
| 805 | $1="${$1}${$1:+ }$flag"
|
|---|
| 806 | done
|
|---|
| 807 | fi
|
|---|
| 808 | fi
|
|---|
| 809 | fi
|
|---|
| 810 | fi
|
|---|
| 811 | fi
|
|---|
| 812 | AC_SUBST([$1])
|
|---|
| 813 | ])
|
|---|