diff options
Diffstat (limited to 'Modules/GenerateExportHeader.cmake')
| -rw-r--r-- | Modules/GenerateExportHeader.cmake | 44 |
1 files changed, 9 insertions, 35 deletions
diff --git a/Modules/GenerateExportHeader.cmake b/Modules/GenerateExportHeader.cmake index 0d9a3b8..ce23d5d 100644 --- a/Modules/GenerateExportHeader.cmake +++ b/Modules/GenerateExportHeader.cmake @@ -149,46 +149,20 @@ include(CheckCXXCompilerFlag) macro(_check_cxx_compiler_attribute _ATTRIBUTE _RESULT) check_cxx_source_compiles("${_ATTRIBUTE} int somefunc() { return 0; } int main() { return somefunc();}" ${_RESULT} - # Some compilers do not fail with a bad flag - FAIL_REGEX "unrecognized .*option" # GNU - FAIL_REGEX "ignoring unknown option" # MSVC - FAIL_REGEX "warning D9002" # MSVC, any lang - FAIL_REGEX "[Uu]nknown option" # HP - FAIL_REGEX "[Ww]arning: [Oo]ption" # SunPro - FAIL_REGEX "command option .* is not recognized" # XL ) endmacro() macro(_test_compiler_hidden_visibility) - if(CMAKE_COMPILER_IS_GNUCXX) - exec_program(${CMAKE_C_COMPILER} ARGS --version - OUTPUT_VARIABLE _gcc_version_info) - string(REGEX MATCH "[345]\\.[0-9]\\.[0-9]" - _gcc_version "${_gcc_version_info}") - # gcc on mac just reports: "gcc (GCC) 3.3 20030304 ..." without the - # patch level, handle this here: - if(NOT _gcc_version) - string(REGEX REPLACE ".*\\(GCC\\).* ([34]\\.[0-9]) .*" "\\1.0" - _gcc_version "${_gcc_version_info}") - endif() - - if("${_gcc_version}" VERSION_LESS "4.2") - set(GCC_TOO_OLD TRUE) - message(WARNING "GCC version older than 4.2") - endif() - endif() - - if(CMAKE_CXX_COMPILER_ID MATCHES Intel) - exec_program(${CMAKE_CXX_COMPILER} ARGS -V - OUTPUT_VARIABLE _intel_version_info) - string(REGEX REPLACE ".*Version ([0-9]+(\\.[0-9]+)+).*" "\\1" - _intel_version "${_intel_version_info}") - - if(${_intel_version} VERSION_LESS "12.0") - set(_INTEL_TOO_OLD TRUE) - message(WARNING "Intel compiler older than 12.0") - endif() + if(CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS "4.2") + set(GCC_TOO_OLD TRUE) + message(WARNING "GCC version older than 4.2") + elseif(CMAKE_COMPILER_IS_GNUC AND CMAKE_C_COMPILER_VERSION VERSION_LESS "4.2") + set(GCC_TOO_OLD TRUE) + message(WARNING "GCC version older than 4.2") + elseif(CMAKE_CXX_COMPILER_ID MATCHES Intel AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS "12.0") + set(_INTEL_TOO_OLD TRUE) + message(WARNING "Intel compiler older than 12.0") endif() |