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| author | Eric <eric@efcs.ca> | 2017-03-28 01:43:42 -0600 |
|---|---|---|
| committer | Dominic Hamon <dominichamon@users.noreply.github.com> | 2017-03-28 00:43:42 -0700 |
| commit | 0dbcdf56a0d0ed817a7fccf8f622259ee8dafa18 (patch) | |
| tree | 57753504558992e5a9af1f3fc4c17792f9691f79 /cmake | |
| parent | ec15860da5808a0b0fa43ab74a5c4404dbcc7ac5 (diff) | |
| download | google-benchmark-0dbcdf56a0d0ed817a7fccf8f622259ee8dafa18.tar.gz | |
Add BENCHMARK_BUILD_32_BITS option and add builders to test it (#360)
* Add BENCHMARK_BUILD_32_BITS option and add builders to test it
* Attempt to fix travis configuration
* Make add_required_cxx_compiler_flag cause an error when the flag isn't supported
* add gcc-multilib dependancy on travis
* attempt to fix travis.yml parsing error
* Require g++-multilib instead of gcc-multilib
* Add 32 bit release configurations
* Attempt to fix libc++ travis build w/ 32 bits
* Work around CMake configuration failure on Travis
Diffstat (limited to 'cmake')
| -rw-r--r-- | cmake/AddCXXCompilerFlag.cmake | 35 |
1 files changed, 31 insertions, 4 deletions
diff --git a/cmake/AddCXXCompilerFlag.cmake b/cmake/AddCXXCompilerFlag.cmake index 9afde84..0b176ba 100644 --- a/cmake/AddCXXCompilerFlag.cmake +++ b/cmake/AddCXXCompilerFlag.cmake @@ -19,14 +19,21 @@ set(__add_cxx_compiler_flag INCLUDED) include(CheckCXXCompilerFlag) -function(add_cxx_compiler_flag FLAG) +function(mangle_compiler_flag FLAG OUTPUT) string(TOUPPER "HAVE_CXX_FLAG_${FLAG}" SANITIZED_FLAG) string(REPLACE "+" "X" SANITIZED_FLAG ${SANITIZED_FLAG}) string(REGEX REPLACE "[^A-Za-z_0-9]" "_" SANITIZED_FLAG ${SANITIZED_FLAG}) string(REGEX REPLACE "_+" "_" SANITIZED_FLAG ${SANITIZED_FLAG}) - set(CMAKE_REQUIRED_FLAGS "${FLAG}") - check_cxx_compiler_flag("${FLAG}" ${SANITIZED_FLAG}) - if(${SANITIZED_FLAG}) + set(${OUTPUT} "${SANITIZED_FLAG}" PARENT_SCOPE) +endfunction(mangle_compiler_flag) + +function(add_cxx_compiler_flag FLAG) + mangle_compiler_flag("${FLAG}" MANGLED_FLAG) + set(OLD_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}") + set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${FLAG}") + check_cxx_compiler_flag("${FLAG}" ${MANGLED_FLAG}) + set(CMAKE_REQUIRED_FLAGS "${OLD_CMAKE_REQUIRED_FLAGS}") + if(${MANGLED_FLAG}) set(VARIANT ${ARGV1}) if(ARGV1) string(TOUPPER "_${VARIANT}" VARIANT) @@ -35,3 +42,23 @@ function(add_cxx_compiler_flag FLAG) endif() endfunction() +function(add_required_cxx_compiler_flag FLAG) + mangle_compiler_flag("${FLAG}" MANGLED_FLAG) + set(OLD_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}") + set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${FLAG}") + check_cxx_compiler_flag("${FLAG}" ${MANGLED_FLAG}) + set(CMAKE_REQUIRED_FLAGS "${OLD_CMAKE_REQUIRED_FLAGS}") + if(${MANGLED_FLAG}) + set(VARIANT ${ARGV1}) + if(ARGV1) + string(TOUPPER "_${VARIANT}" VARIANT) + endif() + set(CMAKE_CXX_FLAGS${VARIANT} "${CMAKE_CXX_FLAGS${VARIANT}} ${FLAG}" PARENT_SCOPE) + set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${FLAG}" PARENT_SCOPE) + set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${FLAG}" PARENT_SCOPE) + set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} ${FLAG}" PARENT_SCOPE) + set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${FLAG}" PARENT_SCOPE) + else() + message(FATAL_ERROR "Required flag '${FLAG}' is not supported by the compiler") + endif() +endfunction() |