annotate acinclude/ac_check_define.m4 @ 3604:e569bbb266eb

Fixed bug #915 GNU-isms should be avoided wherever possible for portability, please avoid the use of GNU-isms in your code, this may be problematic when using this library in projects which use non-GNU-compliant compilers.
author Sam Lantinga <slouken@libsdl.org>
date Wed, 30 Dec 2009 19:38:08 +0000
parents 725b16784e96
children
rev   line source
3342
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1 define(AC_CHECK_DEFINE,[dnl
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2 AC_CACHE_CHECK(for $1 in $2, ac_cv_define_$1,
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3 AC_EGREP_CPP([YES_IS_DEFINED], [
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
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4 #include <$2>
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
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5 #ifdef $1
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
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6 YES_IS_DEFINED
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
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7 #endif
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
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8 ], ac_cv_define_$1=yes, ac_cv_define_$1=no)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
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9 )
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
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10 if test "$ac_cv_define_$1" = "yes" ; then
3374
725b16784e96 Matěj Týč 2009-10-05 14:09:03 PDT
Sam Lantinga <slouken@libsdl.org>
parents: 3342
diff changeset
11 AC_DEFINE([HAVE_$1],[],[Added by AC_CHECK_DEFINE])
3342
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
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12 fi
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
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13 ])dnl
3374
725b16784e96 Matěj Týč 2009-10-05 14:09:03 PDT
Sam Lantinga <slouken@libsdl.org>
parents: 3342
diff changeset
14 AC_DEFINE([HAVE_$1],[],[Added by AC_CHECK_DEFINE])