sdl

FORK: Simple Directmedia Layer
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ac_check_define.m4 (351B)

      1 AC_DEFUN([AC_CHECK_DEFINE],[AC_REQUIRE([AC_PROG_CPP])dnl
      2   AC_CACHE_CHECK(for $1 in $2, ac_cv_define_$1,
      3     AC_EGREP_CPP([YES_IS_DEFINED], [
      4 #include <$2>
      5 #ifdef $1
      6 YES_IS_DEFINED
      7 #endif
      8     ], ac_cv_define_$1=yes, ac_cv_define_$1=no)
      9   )
     10   if test "$ac_cv_define_$1" = "yes" ; then
     11     AC_DEFINE([HAVE_$1],[],[Added by AC_CHECK_DEFINE])
     12   fi
     13 ])dnl
     14