Author: vedge
Date: 2008-08-19 07:56:11 -0300 (Tue, 19 Aug 2008)
New Revision: 719
Added:
trunk/BSDBuild/float_h.pm
Log:
test for <float.h>
Added: trunk/BSDBuild/float_h.pm
===================================================================
--- trunk/BSDBuild/float_h.pm (rev 0)
+++ trunk/BSDBuild/float_h.pm 2008-08-19 10:56:11 UTC (rev 719)
@@ -0,0 +1,42 @@
+# vim:ts=4
+# Public domain
+
+sub Test
+{
+ MkCompileC('_MK_HAVE_FLOAT_H', '', '', << 'EOF');
+#include <float.h>
+
+int main(int argc, char *argv[]) {
+ float flt = 0.0f;
+ double dbl = 0.0;
+
+ flt += FLT_EPSILON;
+ dbl += DBL_EPSILON;
+ return (0);
+}
+EOF
+ return (0);
+}
+
+sub Emul
+{
+ my ($os, $osrel, $machine) = @_;
+
+ if ($os eq 'linux' || $os eq 'darwin' || $os =~ /^(open|net|free)bsd$/)
{
+ MkDefine('_MK_HAVE_FLOAT_H', 'yes');
+ MkSaveDefine('_MK_HAVE_FLOAT_H');
+ } else {
+ MkSaveUndef('_MK_HAVE_FLOAT_H');
+ }
+ return (1);
+}
+
+BEGIN
+{
+ $DESCR{'float_h'} = 'compatible <float.h>';
+ $TESTS{'float_h'} = \&Test;
+ $EMUL{'float_h'} = \&Emul;
+ $DEPS{'float_h'} = 'cc';
+}
+
+;1
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