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annotate acinclude/ac_check_define.m4 @ 3468:789b97008d8a

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My first OpenGL shader! Momma will be so proud! This shader implements the software renderer mask semantics where the source pixel is multiplied by the color and alpha modulation values and then any pixel with non-zero alpha is fully opaque. The OpenGL renderer on Mac OS X now passes all the automated render tests! :)
author Sam Lantinga <slouken@libsdl.org>
date Sat, 21 Nov 2009 05:29:31 +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:
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1 define(AC_CHECK_DEFINE,[dnl
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
parents:
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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:
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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>
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5 #ifdef $1
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
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6 YES_IS_DEFINED
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
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7 #endif
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
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8 ], ac_cv_define_$1=yes, ac_cv_define_$1=no)
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
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9 )
3da232c5980a Split acinclude.m4 into its constituent parts for easy upgrading
Sam Lantinga <slouken@libsdl.org>
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10 if test "$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])
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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>
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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])