diff options
Diffstat (limited to 'cmake')
| -rw-r--r-- | cmake/os/FreeBSD.cmake | 7 | ||||
| -rw-r--r-- | cmake/os/Linux.cmake | 7 |
2 files changed, 14 insertions, 0 deletions
diff --git a/cmake/os/FreeBSD.cmake b/cmake/os/FreeBSD.cmake index e09592942c1..9bc7d944da2 100644 --- a/cmake/os/FreeBSD.cmake +++ b/cmake/os/FreeBSD.cmake @@ -22,3 +22,10 @@ # The below was used for really old versions of FreeBSD, roughly: before 5.1.9 # ADD_DEFINITIONS(-DHAVE_BROKEN_REALPATH) + +# Use atomic builtins +IF(CMAKE_SIZEOF_VOID_P EQUAL 4 AND CMAKE_SYSTEM_PROCESSOR STREQUAL "i386") + SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=i686") + SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=i686") + SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -march=i686") +ENDIF() diff --git a/cmake/os/Linux.cmake b/cmake/os/Linux.cmake index ccdf7e8d931..108e06cf7b0 100644 --- a/cmake/os/Linux.cmake +++ b/cmake/os/Linux.cmake @@ -46,3 +46,10 @@ IF(HAVE_DECL_SHM_HUGETLB) SET(HUGETLB_USE_PROC_MEMINFO 1) SET(HAVE_LARGE_PAGE_OPTION 1) ENDIF() + +IF(CMAKE_SIZEOF_VOID_P EQUAL 4 AND CMAKE_SYSTEM_PROCESSOR MATCHES "86") + SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=i686") + SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=i686") + SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -march=i686") +ENDIF() + |