1 # http://svn.saurik.com/repos/cycript/trunk/framework.m4 2 # 3 # GNU LESSER GENERAL PUBLIC LICENSE 4 # Version 3, 29 June 2007 5 # 6 # Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/> 7 # Everyone is permitted to copy and distribute verbatim copies 8 # of this license document, but changing it is not allowed. 9 # 10 # 11 # This version of the GNU Lesser General Public License incorporates 12 # the terms and conditions of version 3 of the GNU General Public 13 # License, supplemented by the additional permissions listed below. 14 # 15 # 0. 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Revised Versions of the GNU Lesser General Public License. 147 # 148 # The Free Software Foundation may publish revised and/or new versions 149 # of the GNU Lesser General Public License from time to time. Such new 150 # versions will be similar in spirit to the present version, but may 151 # differ in detail to address new problems or concerns. 152 # 153 # Each version is given a distinguishing version number. If the 154 # Library as you received it specifies that a certain numbered version 155 # of the GNU Lesser General Public License "or any later version" 156 # applies to it, you have the option of following the terms and 157 # conditions either of that published version or of any later version 158 # published by the Free Software Foundation. If the Library as you 159 # received it does not specify a version number of the GNU Lesser 160 # General Public License, you may choose any version of the GNU Lesser 161 # General Public License ever published by the Free Software Foundation. 162 # 163 # If the Library as you received it specifies that a proxy can decide 164 # whether future versions of the GNU Lesser General Public License shall 165 # apply, that proxy's public statement of acceptance of any version is 166 # permanent authorization for you to choose that version for the 167 # Library. 168 169 # AC_CHECK_FRAMEWORK(FRAMEWORK, FUNCTION, 170 # [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND], 171 # [OTHER-LIBRARIES]) 172 # ------------------------------------------------------ 173 # 174 # Use a cache variable name containing both the framework and function name, 175 # because the test really is for framework $1 defining function $2, not 176 # just for framework $1. Separate tests with the same $1 and different $2s 177 # may have different results. 178 # 179 # Note that using directly AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1_$2]) 180 # is asking for troubles, since AC_CHECK_FRAMEWORK($framework, fun) would give 181 # ac_cv_framework_$framework_fun, which is definitely not what was meant. Hence 182 # the AS_LITERAL_IF indirection. 183 # 184 # FIXME: This macro is extremely suspicious. It DEFINEs unconditionally, 185 # whatever the FUNCTION, in addition to not being a *S macro. Note 186 # that the cache does depend upon the function we are looking for. 187 # 188 # It is on purpose we used `ac_check_framework_save_LIBS' and not just 189 # `ac_save_LIBS': there are many macros which don't want to see `LIBS' 190 # changed but still want to use AC_CHECK_FRAMEWORK, so they save `LIBS'. 191 # And ``ac_save_LIBS' is too tempting a name, so let's leave them some 192 # freedom. 193 AC_DEFUN([AC_CHECK_FRAMEWORK], 194 [m4_ifval([$3], , [AH_CHECK_FRAMEWORK([$1])])dnl 195 AS_LITERAL_IF([$1], 196 [AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1_$2])], 197 [AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1''_$2])])dnl 198 AC_CACHE_CHECK([for $2 in $1 framework], ac_Framework, 199 [ac_check_framework_save_LIBS=$LIBS 200 LIBS="-framework $1 $5 $LIBS" 201 AC_LINK_IFELSE([AC_LANG_CALL([], [$2])], 202 [AS_VAR_SET(ac_Framework, yes)], 203 [AS_VAR_SET(ac_Framework, no)]) 204 LIBS=$ac_check_framework_save_LIBS]) 205 AS_IF([test AS_VAR_GET(ac_Framework) = yes], 206 [m4_default([$3], [AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_FRAMEWORK_$1)) 207 LIBS="-framework $1 $LIBS" 208 ])], 209 [$4])dnl 210 AS_VAR_POPDEF([ac_Framework])dnl 211 ])# AC_CHECK_FRAMEWORK 212 213 # AH_CHECK_FRAMEWORK(FRAMEWORK) 214 # --------------------- 215 m4_define([AH_CHECK_FRAMEWORK], 216 [AH_TEMPLATE(AS_TR_CPP(HAVE_FRAMEWORK_$1), 217 [Define to 1 if you have the `]$1[' framework (-framework ]$1[).])]) 218
