Check for __restrict in a way to make MSVC happy, hopefully

2013-05-24 00:45:25 -07:00
parent 357cf72ab3
commit 18807e06fe
1 changed files with 5 additions and 1 deletions
@@ -104,7 +104,11 @@ CHECK_TYPE_SIZE("long long" SIZEOF_LONG_LONG)
 CHECK_C_SOURCE_COMPILES("int *restrict foo;
                         int main() {return 0;}" HAVE_RESTRICT)
 IF(NOT HAVE_RESTRICT)
-    CHECK_C_SOURCE_COMPILES("int *__restrict foo;
+    # Slightly convoluted way to do this, because MSVC may barf is restrict is
+    # defined to __restrict.
+    CHECK_C_SOURCE_COMPILES("#define restrict __restrict
+                             #include <stdlib.h>
+                             int *restrict foo;
                             int main() {return 0;}" HAVE___RESTRICT)
    IF(HAVE___RESTRICT)
        ADD_DEFINITIONS(-Drestrict=__restrict)