1 | # lib-link.m4 serial 6 (gettext-0.14.3) |
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2 | dnl Copyright (C) 2001-2005 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(2.50) |
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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 | AC_DEFUN([AC_LIB_RPATH], |
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97 | [ |
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98 | dnl Tell automake >= 1.10 to complain if config.rpath is missing. |
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99 | m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([config.rpath])]) |
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100 | AC_REQUIRE([AC_PROG_CC]) dnl we use $CC, $GCC, $LDFLAGS |
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101 | AC_REQUIRE([AC_LIB_PROG_LD]) dnl we use $LD, $with_gnu_ld |
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102 | AC_REQUIRE([AC_CANONICAL_HOST]) dnl we use $host |
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103 | AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT]) dnl we use $ac_aux_dir |
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104 | AC_CACHE_CHECK([for shared library run path origin], acl_cv_rpath, [ |
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105 | CC="$CC" GCC="$GCC" LDFLAGS="$LDFLAGS" LD="$LD" with_gnu_ld="$with_gnu_ld" \ |
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106 | ${CONFIG_SHELL-/bin/sh} "$ac_aux_dir/config.rpath" "$host" > conftest.sh |
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107 | . ./conftest.sh |
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108 | rm -f ./conftest.sh |
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109 | acl_cv_rpath=done |
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110 | ]) |
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111 | wl="$acl_cv_wl" |
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112 | libext="$acl_cv_libext" |
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113 | shlibext="$acl_cv_shlibext" |
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114 | hardcode_libdir_flag_spec="$acl_cv_hardcode_libdir_flag_spec" |
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115 | hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator" |
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116 | hardcode_direct="$acl_cv_hardcode_direct" |
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117 | hardcode_minus_L="$acl_cv_hardcode_minus_L" |
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118 | dnl Determine whether the user wants rpath handling at all. |
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119 | AC_ARG_ENABLE(rpath, |
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120 | [ --disable-rpath do not hardcode runtime library paths], |
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121 | :, enable_rpath=yes) |
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122 | ]) |
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123 | |
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124 | dnl AC_LIB_LINKFLAGS_BODY(name [, dependencies]) searches for libname and |
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125 | dnl the libraries corresponding to explicit and implicit dependencies. |
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126 | dnl Sets the LIB${NAME}, LTLIB${NAME} and INC${NAME} variables. |
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127 | AC_DEFUN([AC_LIB_LINKFLAGS_BODY], |
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128 | [ |
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129 | define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-], |
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130 | [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])]) |
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131 | dnl By default, look in $includedir and $libdir. |
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132 | use_additional=yes |
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133 | AC_LIB_WITH_FINAL_PREFIX([ |
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134 | eval additional_includedir=\"$includedir\" |
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135 | eval additional_libdir=\"$libdir\" |
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136 | ]) |
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137 | AC_LIB_ARG_WITH([lib$1-prefix], |
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138 | [ --with-lib$1-prefix[=DIR] search for lib$1 in DIR/include and DIR/lib |
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139 | --without-lib$1-prefix don't search for lib$1 in includedir and libdir], |
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140 | [ |
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141 | if test "X$withval" = "Xno"; then |
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142 | use_additional=no |
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143 | else |
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144 | if test "X$withval" = "X"; then |
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145 | AC_LIB_WITH_FINAL_PREFIX([ |
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146 | eval additional_includedir=\"$includedir\" |
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147 | eval additional_libdir=\"$libdir\" |
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148 | ]) |
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149 | else |
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150 | additional_includedir="$withval/include" |
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151 | additional_libdir="$withval/lib" |
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152 | fi |
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153 | fi |
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154 | ]) |
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155 | dnl Search the library and its dependencies in $additional_libdir and |
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156 | dnl $LDFLAGS. Using breadth-first-seach. |
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157 | LIB[]NAME= |
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158 | LTLIB[]NAME= |
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159 | INC[]NAME= |
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160 | rpathdirs= |
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161 | ltrpathdirs= |
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162 | names_already_handled= |
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163 | names_next_round='$1 $2' |
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164 | while test -n "$names_next_round"; do |
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165 | names_this_round="$names_next_round" |
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166 | names_next_round= |
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167 | for name in $names_this_round; do |
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168 | already_handled= |
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169 | for n in $names_already_handled; do |
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170 | if test "$n" = "$name"; then |
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171 | already_handled=yes |
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172 | break |
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173 | fi |
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174 | done |
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175 | if test -z "$already_handled"; then |
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176 | names_already_handled="$names_already_handled $name" |
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177 | dnl See if it was already located by an earlier AC_LIB_LINKFLAGS |
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178 | dnl or AC_LIB_HAVE_LINKFLAGS call. |
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179 | uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./-|ABCDEFGHIJKLMNOPQRSTUVWXYZ___|'` |
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180 | eval value=\"\$HAVE_LIB$uppername\" |
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181 | if test -n "$value"; then |
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182 | if test "$value" = yes; then |
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183 | eval value=\"\$LIB$uppername\" |
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184 | test -z "$value" || LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$value" |
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185 | eval value=\"\$LTLIB$uppername\" |
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186 | test -z "$value" || LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$value" |
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187 | else |
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188 | dnl An earlier call to AC_LIB_HAVE_LINKFLAGS has determined |
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189 | dnl that this library doesn't exist. So just drop it. |
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190 | : |
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191 | fi |
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192 | else |
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193 | dnl Search the library lib$name in $additional_libdir and $LDFLAGS |
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194 | dnl and the already constructed $LIBNAME/$LTLIBNAME. |
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195 | found_dir= |
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196 | found_la= |
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197 | found_so= |
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198 | found_a= |
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199 | if test $use_additional = yes; then |
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200 | if test -n "$shlibext" && test -f "$additional_libdir/lib$name.$shlibext"; then |
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201 | found_dir="$additional_libdir" |
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202 | found_so="$additional_libdir/lib$name.$shlibext" |
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203 | if test -f "$additional_libdir/lib$name.la"; then |
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204 | found_la="$additional_libdir/lib$name.la" |
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205 | fi |
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206 | else |
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207 | if test -f "$additional_libdir/lib$name.$libext"; then |
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208 | found_dir="$additional_libdir" |
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209 | found_a="$additional_libdir/lib$name.$libext" |
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210 | if test -f "$additional_libdir/lib$name.la"; then |
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211 | found_la="$additional_libdir/lib$name.la" |
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212 | fi |
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213 | fi |
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214 | fi |
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215 | fi |
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216 | if test "X$found_dir" = "X"; then |
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217 | for x in $LDFLAGS $LTLIB[]NAME; do |
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218 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
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219 | case "$x" in |
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220 | -L*) |
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221 | dir=`echo "X$x" | sed -e 's/^X-L//'` |
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222 | if test -n "$shlibext" && test -f "$dir/lib$name.$shlibext"; then |
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223 | found_dir="$dir" |
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224 | found_so="$dir/lib$name.$shlibext" |
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225 | if test -f "$dir/lib$name.la"; then |
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226 | found_la="$dir/lib$name.la" |
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227 | fi |
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228 | else |
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229 | if test -f "$dir/lib$name.$libext"; then |
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230 | found_dir="$dir" |
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231 | found_a="$dir/lib$name.$libext" |
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232 | if test -f "$dir/lib$name.la"; then |
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233 | found_la="$dir/lib$name.la" |
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234 | fi |
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235 | fi |
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236 | fi |
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237 | ;; |
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238 | esac |
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239 | if test "X$found_dir" != "X"; then |
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240 | break |
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241 | fi |
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242 | done |
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243 | fi |
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244 | if test "X$found_dir" != "X"; then |
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245 | dnl Found the library. |
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246 | LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$found_dir -l$name" |
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247 | if test "X$found_so" != "X"; then |
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248 | dnl Linking with a shared library. We attempt to hardcode its |
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249 | dnl directory into the executable's runpath, unless it's the |
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250 | dnl standard /usr/lib. |
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251 | if test "$enable_rpath" = no || test "X$found_dir" = "X/usr/lib"; then |
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252 | dnl No hardcoding is needed. |
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253 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" |
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254 | else |
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255 | dnl Use an explicit option to hardcode DIR into the resulting |
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256 | dnl binary. |
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257 | dnl Potentially add DIR to ltrpathdirs. |
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258 | dnl The ltrpathdirs will be appended to $LTLIBNAME at the end. |
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259 | haveit= |
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260 | for x in $ltrpathdirs; do |
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261 | if test "X$x" = "X$found_dir"; then |
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262 | haveit=yes |
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263 | break |
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264 | fi |
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265 | done |
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266 | if test -z "$haveit"; then |
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267 | ltrpathdirs="$ltrpathdirs $found_dir" |
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268 | fi |
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269 | dnl The hardcoding into $LIBNAME is system dependent. |
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270 | if test "$hardcode_direct" = yes; then |
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271 | dnl Using DIR/libNAME.so during linking hardcodes DIR into the |
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272 | dnl resulting binary. |
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273 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" |
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274 | else |
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275 | if test -n "$hardcode_libdir_flag_spec" && test "$hardcode_minus_L" = no; then |
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276 | dnl Use an explicit option to hardcode DIR into the resulting |
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277 | dnl binary. |
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278 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" |
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279 | dnl Potentially add DIR to rpathdirs. |
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280 | dnl The rpathdirs will be appended to $LIBNAME at the end. |
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281 | haveit= |
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282 | for x in $rpathdirs; do |
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283 | if test "X$x" = "X$found_dir"; then |
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284 | haveit=yes |
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285 | break |
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286 | fi |
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287 | done |
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288 | if test -z "$haveit"; then |
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289 | rpathdirs="$rpathdirs $found_dir" |
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290 | fi |
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291 | else |
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292 | dnl Rely on "-L$found_dir". |
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293 | dnl But don't add it if it's already contained in the LDFLAGS |
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294 | dnl or the already constructed $LIBNAME |
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295 | haveit= |
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296 | for x in $LDFLAGS $LIB[]NAME; do |
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297 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
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298 | if test "X$x" = "X-L$found_dir"; then |
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299 | haveit=yes |
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300 | break |
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301 | fi |
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302 | done |
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303 | if test -z "$haveit"; then |
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304 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir" |
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305 | fi |
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306 | if test "$hardcode_minus_L" != no; then |
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307 | dnl FIXME: Not sure whether we should use |
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308 | dnl "-L$found_dir -l$name" or "-L$found_dir $found_so" |
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309 | dnl here. |
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310 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" |
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311 | else |
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312 | dnl We cannot use $hardcode_runpath_var and LD_RUN_PATH |
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313 | dnl here, because this doesn't fit in flags passed to the |
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314 | dnl compiler. So give up. No hardcoding. This affects only |
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315 | dnl very old systems. |
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316 | dnl FIXME: Not sure whether we should use |
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317 | dnl "-L$found_dir -l$name" or "-L$found_dir $found_so" |
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318 | dnl here. |
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319 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name" |
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320 | fi |
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321 | fi |
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322 | fi |
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323 | fi |
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324 | else |
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325 | if test "X$found_a" != "X"; then |
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326 | dnl Linking with a static library. |
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327 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_a" |
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328 | else |
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329 | dnl We shouldn't come here, but anyway it's good to have a |
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330 | dnl fallback. |
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331 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir -l$name" |
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332 | fi |
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333 | fi |
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334 | dnl Assume the include files are nearby. |
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335 | additional_includedir= |
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336 | case "$found_dir" in |
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337 | */lib | */lib/) |
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338 | basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e 's,/lib/*$,,'` |
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339 | additional_includedir="$basedir/include" |
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340 | ;; |
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341 | esac |
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342 | if test "X$additional_includedir" != "X"; then |
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343 | dnl Potentially add $additional_includedir to $INCNAME. |
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344 | dnl But don't add it |
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345 | dnl 1. if it's the standard /usr/include, |
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346 | dnl 2. if it's /usr/local/include and we are using GCC on Linux, |
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347 | dnl 3. if it's already present in $CPPFLAGS or the already |
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348 | dnl constructed $INCNAME, |
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349 | dnl 4. if it doesn't exist as a directory. |
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350 | if test "X$additional_includedir" != "X/usr/include"; then |
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351 | haveit= |
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352 | if test "X$additional_includedir" = "X/usr/local/include"; then |
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353 | if test -n "$GCC"; then |
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354 | case $host_os in |
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355 | linux* | gnu* | k*bsd*-gnu) haveit=yes;; |
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356 | esac |
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357 | fi |
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358 | fi |
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359 | if test -z "$haveit"; then |
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360 | for x in $CPPFLAGS $INC[]NAME; do |
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361 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
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362 | if test "X$x" = "X-I$additional_includedir"; then |
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363 | haveit=yes |
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364 | break |
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365 | fi |
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366 | done |
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367 | if test -z "$haveit"; then |
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368 | if test -d "$additional_includedir"; then |
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369 | dnl Really add $additional_includedir to $INCNAME. |
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370 | INC[]NAME="${INC[]NAME}${INC[]NAME:+ }-I$additional_includedir" |
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371 | fi |
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372 | fi |
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373 | fi |
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374 | fi |
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375 | fi |
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376 | dnl Look for dependencies. |
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377 | if test -n "$found_la"; then |
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378 | dnl Read the .la file. It defines the variables |
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379 | dnl dlname, library_names, old_library, dependency_libs, current, |
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380 | dnl age, revision, installed, dlopen, dlpreopen, libdir. |
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381 | save_libdir="$libdir" |
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382 | case "$found_la" in |
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383 | */* | *\\*) . "$found_la" ;; |
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384 | *) . "./$found_la" ;; |
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385 | esac |
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386 | libdir="$save_libdir" |
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387 | dnl We use only dependency_libs. |
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388 | for dep in $dependency_libs; do |
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389 | case "$dep" in |
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390 | -L*) |
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391 | additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'` |
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392 | dnl Potentially add $additional_libdir to $LIBNAME and $LTLIBNAME. |
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393 | dnl But don't add it |
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394 | dnl 1. if it's the standard /usr/lib, |
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395 | dnl 2. if it's /usr/local/lib and we are using GCC on Linux, |
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396 | dnl 3. if it's already present in $LDFLAGS or the already |
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397 | dnl constructed $LIBNAME, |
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398 | dnl 4. if it doesn't exist as a directory. |
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399 | if test "X$additional_libdir" != "X/usr/lib"; then |
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400 | haveit= |
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401 | if test "X$additional_libdir" = "X/usr/local/lib"; then |
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402 | if test -n "$GCC"; then |
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403 | case $host_os in |
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404 | linux* | gnu* | k*bsd*-gnu) haveit=yes;; |
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405 | esac |
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406 | fi |
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407 | fi |
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408 | if test -z "$haveit"; then |
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409 | haveit= |
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410 | for x in $LDFLAGS $LIB[]NAME; do |
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411 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
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412 | if test "X$x" = "X-L$additional_libdir"; then |
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413 | haveit=yes |
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414 | break |
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415 | fi |
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416 | done |
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417 | if test -z "$haveit"; then |
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418 | if test -d "$additional_libdir"; then |
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419 | dnl Really add $additional_libdir to $LIBNAME. |
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420 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$additional_libdir" |
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421 | fi |
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422 | fi |
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423 | haveit= |
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424 | for x in $LDFLAGS $LTLIB[]NAME; do |
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425 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
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426 | if test "X$x" = "X-L$additional_libdir"; then |
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427 | haveit=yes |
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428 | break |
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429 | fi |
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430 | done |
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431 | if test -z "$haveit"; then |
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432 | if test -d "$additional_libdir"; then |
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433 | dnl Really add $additional_libdir to $LTLIBNAME. |
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434 | LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$additional_libdir" |
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435 | fi |
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436 | fi |
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437 | fi |
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438 | fi |
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439 | ;; |
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440 | -R*) |
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441 | dir=`echo "X$dep" | sed -e 's/^X-R//'` |
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442 | if test "$enable_rpath" != no; then |
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443 | dnl Potentially add DIR to rpathdirs. |
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444 | dnl The rpathdirs will be appended to $LIBNAME at the end. |
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445 | haveit= |
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446 | for x in $rpathdirs; do |
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447 | if test "X$x" = "X$dir"; then |
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448 | haveit=yes |
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449 | break |
---|
450 | fi |
---|
451 | done |
---|
452 | if test -z "$haveit"; then |
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453 | rpathdirs="$rpathdirs $dir" |
---|
454 | fi |
---|
455 | dnl Potentially add DIR to ltrpathdirs. |
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456 | dnl The ltrpathdirs will be appended to $LTLIBNAME at the end. |
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457 | haveit= |
---|
458 | for x in $ltrpathdirs; do |
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459 | if test "X$x" = "X$dir"; then |
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460 | haveit=yes |
---|
461 | break |
---|
462 | fi |
---|
463 | done |
---|
464 | if test -z "$haveit"; then |
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465 | ltrpathdirs="$ltrpathdirs $dir" |
---|
466 | fi |
---|
467 | fi |
---|
468 | ;; |
---|
469 | -l*) |
---|
470 | dnl Handle this in the next round. |
---|
471 | names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'` |
---|
472 | ;; |
---|
473 | *.la) |
---|
474 | dnl Handle this in the next round. Throw away the .la's |
---|
475 | dnl directory; it is already contained in a preceding -L |
---|
476 | dnl option. |
---|
477 | names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'` |
---|
478 | ;; |
---|
479 | *) |
---|
480 | dnl Most likely an immediate library name. |
---|
481 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$dep" |
---|
482 | LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$dep" |
---|
483 | ;; |
---|
484 | esac |
---|
485 | done |
---|
486 | fi |
---|
487 | else |
---|
488 | dnl Didn't find the library; assume it is in the system directories |
---|
489 | dnl known to the linker and runtime loader. (All the system |
---|
490 | dnl directories known to the linker should also be known to the |
---|
491 | dnl runtime loader, otherwise the system is severely misconfigured.) |
---|
492 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name" |
---|
493 | LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-l$name" |
---|
494 | fi |
---|
495 | fi |
---|
496 | fi |
---|
497 | done |
---|
498 | done |
---|
499 | if test "X$rpathdirs" != "X"; then |
---|
500 | if test -n "$hardcode_libdir_separator"; then |
---|
501 | dnl Weird platform: only the last -rpath option counts, the user must |
---|
502 | dnl pass all path elements in one option. We can arrange that for a |
---|
503 | dnl single library, but not when more than one $LIBNAMEs are used. |
---|
504 | alldirs= |
---|
505 | for found_dir in $rpathdirs; do |
---|
506 | alldirs="${alldirs}${alldirs:+$hardcode_libdir_separator}$found_dir" |
---|
507 | done |
---|
508 | dnl Note: hardcode_libdir_flag_spec uses $libdir and $wl. |
---|
509 | acl_save_libdir="$libdir" |
---|
510 | libdir="$alldirs" |
---|
511 | eval flag=\"$hardcode_libdir_flag_spec\" |
---|
512 | libdir="$acl_save_libdir" |
---|
513 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag" |
---|
514 | else |
---|
515 | dnl The -rpath options are cumulative. |
---|
516 | for found_dir in $rpathdirs; do |
---|
517 | acl_save_libdir="$libdir" |
---|
518 | libdir="$found_dir" |
---|
519 | eval flag=\"$hardcode_libdir_flag_spec\" |
---|
520 | libdir="$acl_save_libdir" |
---|
521 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag" |
---|
522 | done |
---|
523 | fi |
---|
524 | fi |
---|
525 | if test "X$ltrpathdirs" != "X"; then |
---|
526 | dnl When using libtool, the option that works for both libraries and |
---|
527 | dnl executables is -R. The -R options are cumulative. |
---|
528 | for found_dir in $ltrpathdirs; do |
---|
529 | LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-R$found_dir" |
---|
530 | done |
---|
531 | fi |
---|
532 | ]) |
---|
533 | |
---|
534 | dnl AC_LIB_APPENDTOVAR(VAR, CONTENTS) appends the elements of CONTENTS to VAR, |
---|
535 | dnl unless already present in VAR. |
---|
536 | dnl Works only for CPPFLAGS, not for LIB* variables because that sometimes |
---|
537 | dnl contains two or three consecutive elements that belong together. |
---|
538 | AC_DEFUN([AC_LIB_APPENDTOVAR], |
---|
539 | [ |
---|
540 | for element in [$2]; do |
---|
541 | haveit= |
---|
542 | for x in $[$1]; do |
---|
543 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
---|
544 | if test "X$x" = "X$element"; then |
---|
545 | haveit=yes |
---|
546 | break |
---|
547 | fi |
---|
548 | done |
---|
549 | if test -z "$haveit"; then |
---|
550 | [$1]="${[$1]}${[$1]:+ }$element" |
---|
551 | fi |
---|
552 | done |
---|
553 | ]) |
---|