From c04b6a776d25340da3d2a9d95acbebc7d2b2da1b Mon Sep 17 00:00:00 2001
From: eschnett <eschnett@17b73243-c579-4c4c-a9d2-2d5706c11dac>
Date: Sun, 18 Nov 2012 00:43:42 +0000
Subject: Add configure macro for OpenMP collapse clause

Disable OpenMP collapse clause for certain versions of the Intel
compiler that are known to mis-compile them.


git-svn-id: http://svn.cactuscode.org/flesh/trunk@4913 17b73243-c579-4c4c-a9d2-2d5706c11dac
---
 lib/make/cctk_Config.h.in | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

(limited to 'lib')

diff --git a/lib/make/cctk_Config.h.in b/lib/make/cctk_Config.h.in
index 5d7468cf..20e6109a 100644
--- a/lib/make/cctk_Config.h.in
+++ b/lib/make/cctk_Config.h.in
@@ -337,6 +337,14 @@ typedef enum {false, true} bool;
 #  define CCTK_BUILTIN_EXPECT(x,y) (x)
 #endif
 
+/* OpenMP collapse clause */
+#if defined __INTEL_COMPILER && __INTEL_COMPILER_BUILD_DATE < 20100801
+/* see http://software.intel.com/en-us/articles/intel-professional-edition-compilers-111-fixes-list/ */
+#  define collapse(N)
+#else
+#  undef collapse
+#endif
+
 #endif /* ! defined __cplusplus */
 /****************************************************************************/
 
@@ -510,6 +518,14 @@ typedef enum {false, true} bool;
 #  define CCTK_RESTRICT restrict
 #endif
 
+/* OpenMP collapse clause */
+#if defined __INTEL_COMPILER && __INTEL_COMPILER_BUILD_DATE < 20100801
+/* see http://software.intel.com/en-us/articles/intel-professional-edition-compilers-111-fixes-list/ */
+#  define collapse(N)
+#else
+#  undef collapse
+#endif
+
 #endif /* __cplusplus */
 
 /****************************************************************************/
@@ -526,6 +542,16 @@ typedef enum {false, true} bool;
 #undef HAVE_CCTK_FORTRAN_COMPLEX16
 #undef HAVE_CCTK_FORTRAN_COMPLEX32
 
+/* OpenMP collapse clause */
+#if defined __INTEL_COMPILER && __INTEL_COMPILER_BUILD_DATE < 20100801
+/* see http://software.intel.com/en-us/articles/intel-professional-edition-compilers-111-fixes-list/ */
+#  define collapse(N)
+#  define COLLAPSE(N)
+#else
+#  undef collapse
+#  undef COLLAPSE
+#endif
+
 #endif /* FCODE */
 
 /* Now include the code to pick an appropriate precison for reals and ints */
-- 
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