mesa: fpclassify is available on OpenSolaris.

There is no explicit predefined macro to distinguish between OpenSolaris
and Solaris. This patch assumes that the difference is in the compilers.
OpenSolaris uses GCC and not the Sun Studio compiler. Assume that the
availability of fpclassify is due to GCC.

This patch was not tested on Solaris. It would break the build on
Solaris with GCC if GCC on Solaris does not have fpclassify.

diff --git a/src/mesa/main/querymatrix.c b/src/mesa/main/querymatrix.c
index 32aaa79f7fb2416b4064b2c295fcc95b0974d2a4..36236eb9a75fb3f5259a5feeacd78d97e085e23c 100644 (file)
--- a/src/mesa/main/querymatrix.c
+++ b/src/mesa/main/querymatrix.c
@@ -72,7 +72,8 @@ fpclassify(double x)
 
 #elif defined(__APPLE__) || defined(__CYGWIN__) || defined(__FreeBSD__) || \
      defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || \
-     (defined(__sun) && defined(__C99FEATURES__)) || defined(__MINGW32__)
+     (defined(__sun) && defined(__C99FEATURES__)) || defined(__MINGW32__) || \
+     (defined(__sun) && defined(__GNUC__))
 
 /* fpclassify is available. */