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| author | Brad King <brad.king@kitware.com> | 2014-03-10 16:51:41 -0400 |
|---|---|---|
| committer | Brad King <brad.king@kitware.com> | 2014-03-10 17:12:00 -0400 |
| commit | 6852fb8034d30d14498dc874378881696a6ada23 (patch) | |
| tree | 59345bdceb1b7894b2ff919aaeeb240e776755c1 /Modules/CMakeDetermineCompiler.cmake | |
| parent | a7c956b86736ea82ade88bea6414cd6a8c84e307 (diff) | |
| download | cmake-6852fb8034d30d14498dc874378881696a6ada23.tar.gz | |
CMakeDetermine*Compiler: Factor out search for compiler in PATH
Factor out a _cmake_find_compiler_path helper macro to avoid duplication
of the search for a full path to the compiler.
Diffstat (limited to 'Modules/CMakeDetermineCompiler.cmake')
| -rw-r--r-- | Modules/CMakeDetermineCompiler.cmake | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/Modules/CMakeDetermineCompiler.cmake b/Modules/CMakeDetermineCompiler.cmake index f522c4408f..cd0f8b8eea 100644 --- a/Modules/CMakeDetermineCompiler.cmake +++ b/Modules/CMakeDetermineCompiler.cmake @@ -83,3 +83,33 @@ macro(_cmake_find_compiler lang) endforeach() endif() endmacro() + +macro(_cmake_find_compiler_path lang) + if(CMAKE_${lang}_COMPILER) + # we only get here if CMAKE_${lang}_COMPILER was specified using -D or a pre-made CMakeCache.txt + # (e.g. via ctest) or set in CMAKE_TOOLCHAIN_FILE + # if CMAKE_${lang}_COMPILER is a list of length 2, use the first item as + # CMAKE_${lang}_COMPILER and the 2nd one as CMAKE_${lang}_COMPILER_ARG1 + list(LENGTH CMAKE_${lang}_COMPILER _CMAKE_${lang}_COMPILER_LIST_LENGTH) + if("${_CMAKE_${lang}_COMPILER_LIST_LENGTH}" EQUAL 2) + list(GET CMAKE_${lang}_COMPILER 1 CMAKE_${lang}_COMPILER_ARG1) + list(GET CMAKE_${lang}_COMPILER 0 CMAKE_${lang}_COMPILER) + endif() + unset(_CMAKE_${lang}_COMPILER_LIST_LENGTH) + + # find the compiler in the PATH if necessary + get_filename_component(_CMAKE_USER_${lang}_COMPILER_PATH "${CMAKE_${lang}_COMPILER}" PATH) + if(NOT _CMAKE_USER_${lang}_COMPILER_PATH) + find_program(CMAKE_${lang}_COMPILER_WITH_PATH NAMES ${CMAKE_${lang}_COMPILER}) + if(CMAKE_${lang}_COMPILER_WITH_PATH) + set(CMAKE_${lang}_COMPILER ${CMAKE_${lang}_COMPILER_WITH_PATH}) + get_property(_CMAKE_${lang}_COMPILER_CACHED CACHE CMAKE_${lang}_COMPILER PROPERTY TYPE) + if(_CMAKE_${lang}_COMPILER_CACHED) + set(CMAKE_${lang}_COMPILER "${CMAKE_${lang}_COMPILER}" CACHE STRING "${lang} compiler" FORCE) + endif() + unset(_CMAKE_${lang}_COMPILER_CACHED) + endif() + unset(CMAKE_${lang}_COMPILER_WITH_PATH CACHE) + endif() + endif() +endmacro() |