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| author | Brad King <brad.king@kitware.com> | 2020-08-06 14:59:50 +0000 |
|---|---|---|
| committer | Kitware Robot <kwrobot@kitware.com> | 2020-08-06 11:00:12 -0400 |
| commit | 4daf76e10ab3f53b1be15626f0901916dd10885c (patch) | |
| tree | cc782076c25301f574f1982488ec05fab7f92dc2 /Modules/CMakeDetermineCompiler.cmake | |
| parent | fdcb7483d11030fe597208843437ad6cce71ff50 (diff) | |
| parent | f76c20da6395c0830ac0de667c105b0b29f84c7a (diff) | |
| download | cmake-4daf76e10ab3f53b1be15626f0901916dd10885c.tar.gz | |
Merge topic 'compiler_flags'
f76c20da63 Toolchain: Test compiler initial settings
db486da265 Toolchain: Update documentation for initial compiler flags
deec2f587c Toolchain: Take CMAKE_<lang>_FLAGS_INIT into account during compiler detection
ca899af3e2 Toolchain: Handle repeated invocations of CMake with -DCMAKE_C_COMPILER
12ba89e142 Toolchain: Make `/path/comp;-argn' behave the same as 'comp;-argn'
6f1af899db Toolchain: Capture all arguments from CMAKE_<LANG>_COMPILER
ec1d3bc0b6 cmake: avoid exception when printing "changed variables" message
Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !4136
Diffstat (limited to 'Modules/CMakeDetermineCompiler.cmake')
| -rw-r--r-- | Modules/CMakeDetermineCompiler.cmake | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/Modules/CMakeDetermineCompiler.cmake b/Modules/CMakeDetermineCompiler.cmake index cb1ab1dbef..2780399dcc 100644 --- a/Modules/CMakeDetermineCompiler.cmake +++ b/Modules/CMakeDetermineCompiler.cmake @@ -107,16 +107,14 @@ 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) + # if CMAKE_${lang}_COMPILER is a list, use the first item as + # CMAKE_${lang}_COMPILER and the rest as CMAKE_${lang}_COMPILER_ARG1 + set(CMAKE_${lang}_COMPILER_ARG1 "${CMAKE_${lang}_COMPILER}") + list(POP_FRONT CMAKE_${lang}_COMPILER_ARG1 CMAKE_${lang}_COMPILER) + list(JOIN CMAKE_${lang}_COMPILER_ARG1 " " CMAKE_${lang}_COMPILER_ARG1) # find the compiler in the PATH if necessary + # if compiler (and arguments) comes from cache then synchronize cache with updated CMAKE_<LANG>_COMPILER 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}) @@ -129,6 +127,12 @@ macro(_cmake_find_compiler_path lang) unset(_CMAKE_${lang}_COMPILER_CACHED) endif() unset(CMAKE_${lang}_COMPILER_WITH_PATH CACHE) + elseif (EXISTS ${CMAKE_${lang}_COMPILER}) + 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() endif() endmacro() |