Fixes compilation with musl libc.
---
src/mesa/main/querymatrix.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)
diff --git a/src/mesa/main/querymatrix.c b/src/mesa/main/querymatrix.c
index eb36c76..57c536f 100644
--- a/src/mesa/main/querymatrix.c
+++ b/src/mesa/main/querymatrix.c
@@ -37,8 +37,10 @@
#define INT_TO_FIXED(x) ((GLfixed) ((x) << 16))
#define FLOAT_TO_FIXED(x) ((GLfixed) ((x) * 65536.0))
-#if defined(_MSC_VER)
-#if _MSC_VER < 1800 /* Not required on VS2013 and above. */
+#if defined(fpclassify)
+/* fpclassify is available. */
+#elif defined(_MSC_VER)
+/* Not required on VS2013 and above. */
/* Oddly, the fpclassify() function doesn't exist in such a form
* on MSVC. This is an implementation using slightly different
* lower-level Windows functions.
@@ -71,16 +73,8 @@ fpclassify(double x)
return FP_NAN;
}
}
-#endif /* _MSC_VER < 1800 */
-
-#elif defined(__APPLE__) || defined(__CYGWIN__) || defined(__FreeBSD__) || \
- defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || \
- (defined(__sun) && defined(__C99FEATURES__)) || defined(__MINGW32__) || \
- (defined(__sun) && defined(__GNUC__)) || defined(ANDROID) ||
defined(__HAIKU__)
-
-/* fpclassify is available. */
-#elif !defined(_XOPEN_SOURCE) || _XOPEN_SOURCE < 600
+#else
enum {FP_NAN, FP_INFINITE, FP_ZERO, FP_SUBNORMAL, FP_NORMAL}
fpclassify(double x)
--
2.0.5
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