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1 | office | 1 | # lib-link.m4 serial 26 (gettext-0.18.2) |
2 | dnl Copyright (C) 2001-2011 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 | |||
7 | dnl From Bruno Haible. |
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8 | |||
9 | AC_PREREQ([2.54]) |
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10 | |||
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 | |||
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 | |||
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 | |||
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 | |||
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 | |||
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 Tell automake >= 1.10 to complain if config.rpath is missing. |
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128 | m4_ifdef([AC_REQUIRE_AUX_FILE], [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 | |||
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$1]) |
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172 | popdef([PACKUP]) |
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173 | popdef([PACK]) |
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174 | ]) |
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175 | |||
176 | dnl AC_LIB_LINKFLAGS_BODY(name [, dependencies]) searches for libname and |
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177 | dnl the libraries corresponding to explicit and implicit dependencies. |
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178 | dnl Sets the LIB${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 Autoconf >= 2.61 supports dots in --with options. |
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191 | pushdef([P_A_C_K],[m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]),[2.61]),[-1],[m4_translit(PACK,[.],[_])],PACK)]) |
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192 | dnl By default, look in $includedir and $libdir. |
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193 | use_additional=yes |
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194 | AC_LIB_WITH_FINAL_PREFIX([ |
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195 | eval additional_includedir=\"$includedir\" |
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196 | eval additional_libdir=\"$libdir\" |
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197 | ]) |
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198 | AC_ARG_WITH(P_A_C_K[-prefix], |
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199 | [[ --with-]]P_A_C_K[[-prefix[=DIR] search for ]PACKLIBS[ in DIR/include and DIR/lib |
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200 | --without-]]P_A_C_K[[-prefix don't search for ]PACKLIBS[ in includedir and libdir]], |
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201 | [ |
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202 | if test "X$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=\"$libdir\" |
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209 | ]) |
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210 | else |
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211 | additional_includedir="$withval/include" |
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212 | additional_libdir="$withval/$acl_libdirstem" |
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213 | if test "$acl_libdirstem2" != "$acl_libdirstem" \ |
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214 | && ! test -d "$withval/$acl_libdirstem"; then |
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215 | additional_libdir="$withval/$acl_libdirstem2" |
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216 | fi |
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217 | fi |
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218 | fi |
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219 | ]) |
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220 | dnl Search the library and its dependencies in $additional_libdir and |
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221 | dnl $LDFLAGS. Using breadth-first-seach. |
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222 | LIB[]NAME= |
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223 | LTLIB[]NAME= |
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224 | INC[]NAME= |
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225 | LIB[]NAME[]_PREFIX= |
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226 | dnl HAVE_LIB${NAME} is an indicator that LIB${NAME}, LTLIB${NAME} have been |
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227 | dnl computed. So it has to be reset here. |
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228 | HAVE_LIB[]NAME= |
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229 | rpathdirs= |
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230 | ltrpathdirs= |
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231 | names_already_handled= |
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232 | names_next_round='$1 $2' |
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233 | while test -n "$names_next_round"; do |
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234 | names_this_round="$names_next_round" |
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235 | names_next_round= |
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236 | for name in $names_this_round; do |
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237 | already_handled= |
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238 | for n in $names_already_handled; do |
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239 | if test "$n" = "$name"; then |
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240 | already_handled=yes |
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241 | break |
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242 | fi |
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243 | done |
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244 | if test -z "$already_handled"; then |
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245 | names_already_handled="$names_already_handled $name" |
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246 | dnl See if it was already located by an earlier AC_LIB_LINKFLAGS |
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247 | dnl or AC_LIB_HAVE_LINKFLAGS call. |
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248 | uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./+-|ABCDEFGHIJKLMNOPQRSTUVWXYZ____|'` |
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249 | eval value=\"\$HAVE_LIB$uppername\" |
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250 | if test -n "$value"; then |
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251 | if test "$value" = yes; then |
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252 | eval value=\"\$LIB$uppername\" |
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253 | test -z "$value" || LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$value" |
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254 | eval value=\"\$LTLIB$uppername\" |
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255 | test -z "$value" || LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$value" |
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256 | else |
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257 | dnl An earlier call to AC_LIB_HAVE_LINKFLAGS has determined |
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258 | dnl that this library doesn't exist. So just drop it. |
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259 | : |
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260 | fi |
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261 | else |
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262 | dnl Search the library lib$name in $additional_libdir and $LDFLAGS |
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263 | dnl and the already constructed $LIBNAME/$LTLIBNAME. |
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264 | found_dir= |
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265 | found_la= |
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266 | found_so= |
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267 | found_a= |
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268 | eval libname=\"$acl_libname_spec\" # typically: libname=lib$name |
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269 | if test -n "$acl_shlibext"; then |
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270 | shrext=".$acl_shlibext" # typically: shrext=.so |
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271 | else |
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272 | shrext= |
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273 | fi |
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274 | if test $use_additional = yes; then |
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275 | dir="$additional_libdir" |
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276 | dnl The same code as in the loop below: |
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277 | dnl First look for a shared library. |
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278 | if test -n "$acl_shlibext"; then |
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279 | if test -f "$dir/$libname$shrext"; then |
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280 | found_dir="$dir" |
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281 | found_so="$dir/$libname$shrext" |
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282 | else |
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283 | if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then |
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284 | ver=`(cd "$dir" && \ |
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285 | for f in "$libname$shrext".*; do echo "$f"; done \ |
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286 | | sed -e "s,^$libname$shrext\\\\.,," \ |
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287 | | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ |
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288 | | sed 1q ) 2>/dev/null` |
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289 | if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then |
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290 | found_dir="$dir" |
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291 | found_so="$dir/$libname$shrext.$ver" |
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292 | fi |
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293 | else |
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294 | eval library_names=\"$acl_library_names_spec\" |
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295 | for f in $library_names; do |
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296 | if test -f "$dir/$f"; then |
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297 | found_dir="$dir" |
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298 | found_so="$dir/$f" |
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299 | break |
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300 | fi |
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301 | done |
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302 | fi |
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303 | fi |
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304 | fi |
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305 | dnl Then look for a static library. |
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306 | if test "X$found_dir" = "X"; then |
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307 | if test -f "$dir/$libname.$acl_libext"; then |
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308 | found_dir="$dir" |
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309 | found_a="$dir/$libname.$acl_libext" |
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310 | fi |
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311 | fi |
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312 | if test "X$found_dir" != "X"; then |
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313 | if test -f "$dir/$libname.la"; then |
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314 | found_la="$dir/$libname.la" |
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315 | fi |
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316 | fi |
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317 | fi |
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318 | if test "X$found_dir" = "X"; then |
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319 | for x in $LDFLAGS $LTLIB[]NAME; do |
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320 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
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321 | case "$x" in |
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322 | -L*) |
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323 | dir=`echo "X$x" | sed -e 's/^X-L//'` |
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324 | dnl First look for a shared library. |
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325 | if test -n "$acl_shlibext"; then |
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326 | if test -f "$dir/$libname$shrext"; then |
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327 | found_dir="$dir" |
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328 | found_so="$dir/$libname$shrext" |
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329 | else |
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330 | if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then |
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331 | ver=`(cd "$dir" && \ |
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332 | for f in "$libname$shrext".*; do echo "$f"; done \ |
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333 | | sed -e "s,^$libname$shrext\\\\.,," \ |
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334 | | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ |
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335 | | sed 1q ) 2>/dev/null` |
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336 | if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then |
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337 | found_dir="$dir" |
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338 | found_so="$dir/$libname$shrext.$ver" |
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339 | fi |
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340 | else |
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341 | eval library_names=\"$acl_library_names_spec\" |
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342 | for f in $library_names; do |
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343 | if test -f "$dir/$f"; then |
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344 | found_dir="$dir" |
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345 | found_so="$dir/$f" |
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346 | break |
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347 | fi |
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348 | done |
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349 | fi |
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350 | fi |
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351 | fi |
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352 | dnl Then look for a static library. |
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353 | if test "X$found_dir" = "X"; then |
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354 | if test -f "$dir/$libname.$acl_libext"; then |
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355 | found_dir="$dir" |
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356 | found_a="$dir/$libname.$acl_libext" |
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357 | fi |
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358 | fi |
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359 | if test "X$found_dir" != "X"; then |
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360 | if test -f "$dir/$libname.la"; then |
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361 | found_la="$dir/$libname.la" |
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362 | fi |
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363 | fi |
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364 | ;; |
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365 | esac |
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366 | if test "X$found_dir" != "X"; then |
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367 | break |
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368 | fi |
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369 | done |
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370 | fi |
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371 | if test "X$found_dir" != "X"; then |
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372 | dnl Found the library. |
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373 | LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$found_dir -l$name" |
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374 | if test "X$found_so" != "X"; then |
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375 | dnl Linking with a shared library. We attempt to hardcode its |
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376 | dnl directory into the executable's runpath, unless it's the |
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377 | dnl standard /usr/lib. |
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378 | if test "$enable_rpath" = no \ |
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379 | || test "X$found_dir" = "X/usr/$acl_libdirstem" \ |
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380 | || test "X$found_dir" = "X/usr/$acl_libdirstem2"; then |
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381 | dnl No hardcoding is needed. |
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382 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" |
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383 | else |
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384 | dnl Use an explicit option to hardcode DIR into the resulting |
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385 | dnl binary. |
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386 | dnl Potentially add DIR to ltrpathdirs. |
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387 | dnl The ltrpathdirs will be appended to $LTLIBNAME at the end. |
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388 | haveit= |
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389 | for x in $ltrpathdirs; do |
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390 | if test "X$x" = "X$found_dir"; then |
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391 | haveit=yes |
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392 | break |
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393 | fi |
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394 | done |
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395 | if test -z "$haveit"; then |
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396 | ltrpathdirs="$ltrpathdirs $found_dir" |
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397 | fi |
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398 | dnl The hardcoding into $LIBNAME is system dependent. |
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399 | if test "$acl_hardcode_direct" = yes; then |
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400 | dnl Using DIR/libNAME.so during linking hardcodes DIR into the |
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401 | dnl resulting binary. |
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402 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" |
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403 | else |
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404 | if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then |
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405 | dnl Use an explicit option to hardcode DIR into the resulting |
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406 | dnl binary. |
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407 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" |
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408 | dnl Potentially add DIR to rpathdirs. |
||
409 | dnl The rpathdirs will be appended to $LIBNAME at the end. |
||
410 | haveit= |
||
411 | for x in $rpathdirs; do |
||
412 | if test "X$x" = "X$found_dir"; then |
||
413 | haveit=yes |
||
414 | break |
||
415 | fi |
||
416 | done |
||
417 | if test -z "$haveit"; then |
||
418 | rpathdirs="$rpathdirs $found_dir" |
||
419 | fi |
||
420 | else |
||
421 | dnl Rely on "-L$found_dir". |
||
422 | dnl But don't add it if it's already contained in the LDFLAGS |
||
423 | dnl or the already constructed $LIBNAME |
||
424 | haveit= |
||
425 | for x in $LDFLAGS $LIB[]NAME; do |
||
426 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
||
427 | if test "X$x" = "X-L$found_dir"; then |
||
428 | haveit=yes |
||
429 | break |
||
430 | fi |
||
431 | done |
||
432 | if test -z "$haveit"; then |
||
433 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir" |
||
434 | fi |
||
435 | if test "$acl_hardcode_minus_L" != no; then |
||
436 | dnl FIXME: Not sure whether we should use |
||
437 | dnl "-L$found_dir -l$name" or "-L$found_dir $found_so" |
||
438 | dnl here. |
||
439 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" |
||
440 | else |
||
441 | dnl We cannot use $acl_hardcode_runpath_var and LD_RUN_PATH |
||
442 | dnl here, because this doesn't fit in flags passed to the |
||
443 | dnl compiler. So give up. No hardcoding. This affects only |
||
444 | dnl very old systems. |
||
445 | dnl FIXME: Not sure whether we should use |
||
446 | dnl "-L$found_dir -l$name" or "-L$found_dir $found_so" |
||
447 | dnl here. |
||
448 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name" |
||
449 | fi |
||
450 | fi |
||
451 | fi |
||
452 | fi |
||
453 | else |
||
454 | if test "X$found_a" != "X"; then |
||
455 | dnl Linking with a static library. |
||
456 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_a" |
||
457 | else |
||
458 | dnl We shouldn't come here, but anyway it's good to have a |
||
459 | dnl fallback. |
||
460 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir -l$name" |
||
461 | fi |
||
462 | fi |
||
463 | dnl Assume the include files are nearby. |
||
464 | additional_includedir= |
||
465 | case "$found_dir" in |
||
466 | */$acl_libdirstem | */$acl_libdirstem/) |
||
467 | basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem/"'*$,,'` |
||
468 | if test "$name" = '$1'; then |
||
469 | LIB[]NAME[]_PREFIX="$basedir" |
||
470 | fi |
||
471 | additional_includedir="$basedir/include" |
||
472 | ;; |
||
473 | */$acl_libdirstem2 | */$acl_libdirstem2/) |
||
474 | basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem2/"'*$,,'` |
||
475 | if test "$name" = '$1'; then |
||
476 | LIB[]NAME[]_PREFIX="$basedir" |
||
477 | fi |
||
478 | additional_includedir="$basedir/include" |
||
479 | ;; |
||
480 | esac |
||
481 | if test "X$additional_includedir" != "X"; then |
||
482 | dnl Potentially add $additional_includedir to $INCNAME. |
||
483 | dnl But don't add it |
||
484 | dnl 1. if it's the standard /usr/include, |
||
485 | dnl 2. if it's /usr/local/include and we are using GCC on Linux, |
||
486 | dnl 3. if it's already present in $CPPFLAGS or the already |
||
487 | dnl constructed $INCNAME, |
||
488 | dnl 4. if it doesn't exist as a directory. |
||
489 | if test "X$additional_includedir" != "X/usr/include"; then |
||
490 | haveit= |
||
491 | if test "X$additional_includedir" = "X/usr/local/include"; then |
||
492 | if test -n "$GCC"; then |
||
493 | case $host_os in |
||
494 | linux* | gnu* | k*bsd*-gnu) haveit=yes;; |
||
495 | esac |
||
496 | fi |
||
497 | fi |
||
498 | if test -z "$haveit"; then |
||
499 | for x in $CPPFLAGS $INC[]NAME; do |
||
500 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
||
501 | if test "X$x" = "X-I$additional_includedir"; then |
||
502 | haveit=yes |
||
503 | break |
||
504 | fi |
||
505 | done |
||
506 | if test -z "$haveit"; then |
||
507 | if test -d "$additional_includedir"; then |
||
508 | dnl Really add $additional_includedir to $INCNAME. |
||
509 | INC[]NAME="${INC[]NAME}${INC[]NAME:+ }-I$additional_includedir" |
||
510 | fi |
||
511 | fi |
||
512 | fi |
||
513 | fi |
||
514 | fi |
||
515 | dnl Look for dependencies. |
||
516 | if test -n "$found_la"; then |
||
517 | dnl Read the .la file. It defines the variables |
||
518 | dnl dlname, library_names, old_library, dependency_libs, current, |
||
519 | dnl age, revision, installed, dlopen, dlpreopen, libdir. |
||
520 | save_libdir="$libdir" |
||
521 | case "$found_la" in |
||
522 | */* | *\\*) . "$found_la" ;; |
||
523 | *) . "./$found_la" ;; |
||
524 | esac |
||
525 | libdir="$save_libdir" |
||
526 | dnl We use only dependency_libs. |
||
527 | for dep in $dependency_libs; do |
||
528 | case "$dep" in |
||
529 | -L*) |
||
530 | additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'` |
||
531 | dnl Potentially add $additional_libdir to $LIBNAME and $LTLIBNAME. |
||
532 | dnl But don't add it |
||
533 | dnl 1. if it's the standard /usr/lib, |
||
534 | dnl 2. if it's /usr/local/lib and we are using GCC on Linux, |
||
535 | dnl 3. if it's already present in $LDFLAGS or the already |
||
536 | dnl constructed $LIBNAME, |
||
537 | dnl 4. if it doesn't exist as a directory. |
||
538 | if test "X$additional_libdir" != "X/usr/$acl_libdirstem" \ |
||
539 | && test "X$additional_libdir" != "X/usr/$acl_libdirstem2"; then |
||
540 | haveit= |
||
541 | if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem" \ |
||
542 | || test "X$additional_libdir" = "X/usr/local/$acl_libdirstem2"; then |
||
543 | if test -n "$GCC"; then |
||
544 | case $host_os in |
||
545 | linux* | gnu* | k*bsd*-gnu) haveit=yes;; |
||
546 | esac |
||
547 | fi |
||
548 | fi |
||
549 | if test -z "$haveit"; then |
||
550 | haveit= |
||
551 | for x in $LDFLAGS $LIB[]NAME; do |
||
552 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
||
553 | if test "X$x" = "X-L$additional_libdir"; then |
||
554 | haveit=yes |
||
555 | break |
||
556 | fi |
||
557 | done |
||
558 | if test -z "$haveit"; then |
||
559 | if test -d "$additional_libdir"; then |
||
560 | dnl Really add $additional_libdir to $LIBNAME. |
||
561 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$additional_libdir" |
||
562 | fi |
||
563 | fi |
||
564 | haveit= |
||
565 | for x in $LDFLAGS $LTLIB[]NAME; do |
||
566 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
||
567 | if test "X$x" = "X-L$additional_libdir"; then |
||
568 | haveit=yes |
||
569 | break |
||
570 | fi |
||
571 | done |
||
572 | if test -z "$haveit"; then |
||
573 | if test -d "$additional_libdir"; then |
||
574 | dnl Really add $additional_libdir to $LTLIBNAME. |
||
575 | LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$additional_libdir" |
||
576 | fi |
||
577 | fi |
||
578 | fi |
||
579 | fi |
||
580 | ;; |
||
581 | -R*) |
||
582 | dir=`echo "X$dep" | sed -e 's/^X-R//'` |
||
583 | if test "$enable_rpath" != no; then |
||
584 | dnl Potentially add DIR to rpathdirs. |
||
585 | dnl The rpathdirs will be appended to $LIBNAME at the end. |
||
586 | haveit= |
||
587 | for x in $rpathdirs; do |
||
588 | if test "X$x" = "X$dir"; then |
||
589 | haveit=yes |
||
590 | break |
||
591 | fi |
||
592 | done |
||
593 | if test -z "$haveit"; then |
||
594 | rpathdirs="$rpathdirs $dir" |
||
595 | fi |
||
596 | dnl Potentially add DIR to ltrpathdirs. |
||
597 | dnl The ltrpathdirs will be appended to $LTLIBNAME at the end. |
||
598 | haveit= |
||
599 | for x in $ltrpathdirs; do |
||
600 | if test "X$x" = "X$dir"; then |
||
601 | haveit=yes |
||
602 | break |
||
603 | fi |
||
604 | done |
||
605 | if test -z "$haveit"; then |
||
606 | ltrpathdirs="$ltrpathdirs $dir" |
||
607 | fi |
||
608 | fi |
||
609 | ;; |
||
610 | -l*) |
||
611 | dnl Handle this in the next round. |
||
612 | names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'` |
||
613 | ;; |
||
614 | *.la) |
||
615 | dnl Handle this in the next round. Throw away the .la's |
||
616 | dnl directory; it is already contained in a preceding -L |
||
617 | dnl option. |
||
618 | names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'` |
||
619 | ;; |
||
620 | *) |
||
621 | dnl Most likely an immediate library name. |
||
622 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$dep" |
||
623 | LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$dep" |
||
624 | ;; |
||
625 | esac |
||
626 | done |
||
627 | fi |
||
628 | else |
||
629 | dnl Didn't find the library; assume it is in the system directories |
||
630 | dnl known to the linker and runtime loader. (All the system |
||
631 | dnl directories known to the linker should also be known to the |
||
632 | dnl runtime loader, otherwise the system is severely misconfigured.) |
||
633 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name" |
||
634 | LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-l$name" |
||
635 | fi |
||
636 | fi |
||
637 | fi |
||
638 | done |
||
639 | done |
||
640 | if test "X$rpathdirs" != "X"; then |
||
641 | if test -n "$acl_hardcode_libdir_separator"; then |
||
642 | dnl Weird platform: only the last -rpath option counts, the user must |
||
643 | dnl pass all path elements in one option. We can arrange that for a |
||
644 | dnl single library, but not when more than one $LIBNAMEs are used. |
||
645 | alldirs= |
||
646 | for found_dir in $rpathdirs; do |
||
647 | alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$found_dir" |
||
648 | done |
||
649 | dnl Note: acl_hardcode_libdir_flag_spec uses $libdir and $wl. |
||
650 | acl_save_libdir="$libdir" |
||
651 | libdir="$alldirs" |
||
652 | eval flag=\"$acl_hardcode_libdir_flag_spec\" |
||
653 | libdir="$acl_save_libdir" |
||
654 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag" |
||
655 | else |
||
656 | dnl The -rpath options are cumulative. |
||
657 | for found_dir in $rpathdirs; do |
||
658 | acl_save_libdir="$libdir" |
||
659 | libdir="$found_dir" |
||
660 | eval flag=\"$acl_hardcode_libdir_flag_spec\" |
||
661 | libdir="$acl_save_libdir" |
||
662 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag" |
||
663 | done |
||
664 | fi |
||
665 | fi |
||
666 | if test "X$ltrpathdirs" != "X"; then |
||
667 | dnl When using libtool, the option that works for both libraries and |
||
668 | dnl executables is -R. The -R options are cumulative. |
||
669 | for found_dir in $ltrpathdirs; do |
||
670 | LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-R$found_dir" |
||
671 | done |
||
672 | fi |
||
673 | popdef([P_A_C_K]) |
||
674 | popdef([PACKLIBS]) |
||
675 | popdef([PACKUP]) |
||
676 | popdef([PACK]) |
||
677 | popdef([NAME]) |
||
678 | ]) |
||
679 | |||
680 | dnl AC_LIB_APPENDTOVAR(VAR, CONTENTS) appends the elements of CONTENTS to VAR, |
||
681 | dnl unless already present in VAR. |
||
682 | dnl Works only for CPPFLAGS, not for LIB* variables because that sometimes |
||
683 | dnl contains two or three consecutive elements that belong together. |
||
684 | AC_DEFUN([AC_LIB_APPENDTOVAR], |
||
685 | [ |
||
686 | for element in [$2]; do |
||
687 | haveit= |
||
688 | for x in $[$1]; do |
||
689 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
||
690 | if test "X$x" = "X$element"; then |
||
691 | haveit=yes |
||
692 | break |
||
693 | fi |
||
694 | done |
||
695 | if test -z "$haveit"; then |
||
696 | [$1]="${[$1]}${[$1]:+ }$element" |
||
697 | fi |
||
698 | done |
||
699 | ]) |
||
700 | |||
701 | dnl For those cases where a variable contains several -L and -l options |
||
702 | dnl referring to unknown libraries and directories, this macro determines the |
||
703 | dnl necessary additional linker options for the runtime path. |
||
704 | dnl AC_LIB_LINKFLAGS_FROM_LIBS([LDADDVAR], [LIBSVALUE], [USE-LIBTOOL]) |
||
705 | dnl sets LDADDVAR to linker options needed together with LIBSVALUE. |
||
706 | dnl If USE-LIBTOOL evaluates to non-empty, linking with libtool is assumed, |
||
707 | dnl otherwise linking without libtool is assumed. |
||
708 | AC_DEFUN([AC_LIB_LINKFLAGS_FROM_LIBS], |
||
709 | [ |
||
710 | AC_REQUIRE([AC_LIB_RPATH]) |
||
711 | AC_REQUIRE([AC_LIB_PREPARE_MULTILIB]) |
||
712 | $1= |
||
713 | if test "$enable_rpath" != no; then |
||
714 | if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then |
||
715 | dnl Use an explicit option to hardcode directories into the resulting |
||
716 | dnl binary. |
||
717 | rpathdirs= |
||
718 | next= |
||
719 | for opt in $2; do |
||
720 | if test -n "$next"; then |
||
721 | dir="$next" |
||
722 | dnl No need to hardcode the standard /usr/lib. |
||
723 | if test "X$dir" != "X/usr/$acl_libdirstem" \ |
||
724 | && test "X$dir" != "X/usr/$acl_libdirstem2"; then |
||
725 | rpathdirs="$rpathdirs $dir" |
||
726 | fi |
||
727 | next= |
||
728 | else |
||
729 | case $opt in |
||
730 | -L) next=yes ;; |
||
731 | -L*) dir=`echo "X$opt" | sed -e 's,^X-L,,'` |
||
732 | dnl No need to hardcode the standard /usr/lib. |
||
733 | if test "X$dir" != "X/usr/$acl_libdirstem" \ |
||
734 | && test "X$dir" != "X/usr/$acl_libdirstem2"; then |
||
735 | rpathdirs="$rpathdirs $dir" |
||
736 | fi |
||
737 | next= ;; |
||
738 | *) next= ;; |
||
739 | esac |
||
740 | fi |
||
741 | done |
||
742 | if test "X$rpathdirs" != "X"; then |
||
743 | if test -n ""$3""; then |
||
744 | dnl libtool is used for linking. Use -R options. |
||
745 | for dir in $rpathdirs; do |
||
746 | $1="${$1}${$1:+ }-R$dir" |
||
747 | done |
||
748 | else |
||
749 | dnl The linker is used for linking directly. |
||
750 | if test -n "$acl_hardcode_libdir_separator"; then |
||
751 | dnl Weird platform: only the last -rpath option counts, the user |
||
752 | dnl must pass all path elements in one option. |
||
753 | alldirs= |
||
754 | for dir in $rpathdirs; do |
||
755 | alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$dir" |
||
756 | done |
||
757 | acl_save_libdir="$libdir" |
||
758 | libdir="$alldirs" |
||
759 | eval flag=\"$acl_hardcode_libdir_flag_spec\" |
||
760 | libdir="$acl_save_libdir" |
||
761 | $1="$flag" |
||
762 | else |
||
763 | dnl The -rpath options are cumulative. |
||
764 | for dir in $rpathdirs; do |
||
765 | acl_save_libdir="$libdir" |
||
766 | libdir="$dir" |
||
767 | eval flag=\"$acl_hardcode_libdir_flag_spec\" |
||
768 | libdir="$acl_save_libdir" |
||
769 | $1="${$1}${$1:+ }$flag" |
||
770 | done |
||
771 | fi |
||
772 | fi |
||
773 | fi |
||
774 | fi |
||
775 | fi |
||
776 | AC_SUBST([$1]) |
||
777 | ]) |