diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index c05bcb10..6247af93 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -155,17 +155,17 @@ ENDIF() SET(CPP_DEFS ${CPP_DEFS} _LARGEFILE_SOURCE _LARGE_FILES) SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -D_LARGEFILE_SOURCE -D_LARGE_FILES") +# C99 has restrict, but C++ does not, so we can only utilize __restrict. +SET(RESTRICT_DECL ) +CHECK_C_SOURCE_COMPILES("int *__restrict foo; + int main() {return 0;}" HAVE___RESTRICT) +IF(HAVE___RESTRICT) + SET(RESTRICT_DECL "__restrict") +ENDIF() + # MSVC may need workarounds for C99 restrict and inline IF(MSVC) - # TODO: Once we truly require C99, these restrict and inline checks should go - # away. - CHECK_C_SOURCE_COMPILES("int *restrict foo; - int main() {return 0;}" HAVE_RESTRICT) - IF(NOT HAVE_RESTRICT) - SET(CPP_DEFS ${CPP_DEFS} "restrict=") - SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Drestrict=") - ENDIF() - + # TODO: Once we truly require C99, this inline check should go away. CHECK_C_SOURCE_COMPILES("inline void foo(void) { } int main() {return 0;}" HAVE_INLINE) IF(NOT HAVE_INLINE) |