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| author | Guy Harris <guy@alum.mit.edu> | 2017-09-10 04:06:30 -0700 |
|---|---|---|
| committer | Guy Harris <guy@alum.mit.edu> | 2017-09-10 04:06:30 -0700 |
| commit | c793042d8a8b284ca2bddad26c97aeaa1188e90e (patch) | |
| tree | e2604a3b545d08db9fdcfe5476add08186d582c0 /cmake | |
| parent | 57b81fcacd040e9ff1ccc05fbbe478aeb291f0f3 (diff) | |
| download | libpcap-c793042d8a8b284ca2bddad26c97aeaa1188e90e.tar.gz | |
Use cmake_push_check_state() and cmake_pop_check_state().
That way, we don't change the CMAKE_REQUIRED_ values as a side-effect.
Diffstat (limited to 'cmake')
| -rw-r--r-- | cmake/FindLFS.cmake | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/cmake/FindLFS.cmake b/cmake/FindLFS.cmake index 771b89f4..be5f0d48 100644 --- a/cmake/FindLFS.cmake +++ b/cmake/FindLFS.cmake @@ -32,6 +32,7 @@ include(CheckCSourceCompiles) include(FindPackageHandleStandardArgs) +include(CMakePushCheckState) # Test program to check for LFS. Requires that off_t has at least 8 byte large set(_lfs_test_source @@ -47,6 +48,7 @@ set(_lfs_test_source # This appends to the variables _lfs_cppflags, _lfs_cflags, and _lfs_ldflags, # it also sets LFS_FOUND to 1 if it works. function(_lfs_check_compiler_option var options definitions libraries) + cmake_push_check_state() set(CMAKE_REQUIRED_QUIET 1) set(CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS} ${options}) set(CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} ${definitions}) @@ -54,6 +56,7 @@ function(_lfs_check_compiler_option var options definitions libraries) message(STATUS "Looking for LFS support using ${options} ${definitions} ${libraries}") check_c_source_compiles("${_lfs_test_source}" ${var}) + cmake_pop_check_state() if(${var}) message(STATUS "Looking for LFS support using ${options} ${definitions} ${libraries} - found") @@ -79,9 +82,11 @@ function(_lfs_check) set(_lfs_cppflags) set(_lfs_ldflags) set(_lfs_libs) + cmake_push_check_state() set(CMAKE_REQUIRED_QUIET 1) message(STATUS "Looking for native LFS support") check_c_source_compiles("${_lfs_test_source}" lfs_native) + cmake_pop_check_state() if (lfs_native) message(STATUS "Looking for native LFS support - found") set(LFS_FOUND TRUE) |