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| author | Marc Chevrier <marc.chevrier@gmail.com> | 2024-06-05 16:48:02 (GMT) |
|---|---|---|
| committer | Marc Chevrier <marc.chevrier@gmail.com> | 2024-07-20 17:05:54 (GMT) |
| commit | c1c4cf9545d17928c065fca344c48e03b80291f0 (patch) | |
| tree | 1e39458e80ffaaa39dc2acfc7cb2aee24a2fc6cb /Modules/Compiler | |
| parent | 587a3b41baaaa83e08714af5ca1acecee2970a83 (diff) | |
| download | CMake-c1c4cf9545d17928c065fca344c48e03b80291f0.zip CMake-c1c4cf9545d17928c065fca344c48e03b80291f0.tar.gz CMake-c1c4cf9545d17928c065fca344c48e03b80291f0.tar.bz2 | |
Linker configuration: introduce a new architecture
A new set of files are dedicated to linker configuration.
This set of files enable a fine-tuned configuration based of the linker
type as identified during compiler detection.
Fixes: #25360
Diffstat (limited to 'Modules/Compiler')
| -rw-r--r-- | Modules/Compiler/GNU.cmake | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/Modules/Compiler/GNU.cmake b/Modules/Compiler/GNU.cmake index 3f705a9..83c818d 100644 --- a/Modules/Compiler/GNU.cmake +++ b/Modules/Compiler/GNU.cmake @@ -52,60 +52,6 @@ macro(__compiler_gnu lang) set(CMAKE_DEPFILE_FLAGS_${lang} "-MD -MT <DEP_TARGET> -MF <DEP_FILE>") endif() - # define flags for linker depfile generation - set(CMAKE_${lang}_LINKER_DEPFILE_FLAGS "LINKER:--dependency-file,<DEP_FILE>") - set(CMAKE_${lang}_LINKER_DEPFILE_FORMAT gcc) - - if(NOT DEFINED CMAKE_${lang}_LINKER_DEPFILE_SUPPORTED) - ## Ensure ninja tool is recent enough... - if(CMAKE_GENERATOR MATCHES "^Ninja") - # Ninja 1.10 or upper is required - execute_process(COMMAND "${CMAKE_MAKE_PROGRAM}" --version - OUTPUT_VARIABLE _ninja_version - ERROR_VARIABLE _ninja_version) - if (_ninja_version MATCHES "[0-9]+(\\.[0-9]+)*") - set (_ninja_version "${CMAKE_MATCH_0}") - endif() - if (_ninja_version VERSION_LESS "1.10") - set(CMAKE_${lang}_LINKER_DEPFILE_SUPPORTED FALSE) - endif() - unset(_ninja_version) - endif() - - if (NOT DEFINED CMAKE_${lang}_LINKER_DEPFILE_SUPPORTED) - ## check if this feature is supported by the linker - if (CMAKE_${lang}_COMPILER_LINKER AND CMAKE_${lang}_COMPILER_LINKER_ID MATCHES "GNU|LLD") - execute_process(COMMAND "${CMAKE_${lang}_COMPILER_LINKER}" --help - OUTPUT_VARIABLE _linker_capabilities - ERROR_VARIABLE _linker_capabilities) - if(_linker_capabilities MATCHES "--dependency-file") - set(CMAKE_${lang}_LINKER_DEPFILE_SUPPORTED TRUE) - else() - set(CMAKE_${lang}_LINKER_DEPFILE_SUPPORTED FALSE) - endif() - unset(_linker_capabilities) - else() - set(CMAKE_${lang}_LINKER_DEPFILE_SUPPORTED FALSE) - endif() - endif() - endif() - if (CMAKE_${lang}_LINKER_DEPFILE_SUPPORTED) - set(CMAKE_${lang}_LINK_DEPENDS_USE_LINKER TRUE) - else() - set(CMAKE_${lang}_LINK_DEPENDS_USE_LINKER FALSE) - endif() - - # Due to GNU binutils ld bug when LTO is enabled (see GNU bug - # `30568 <https://sourceware.org/bugzilla/show_bug.cgi?id=30568>`_), - # deactivate this feature if the version is less than 2.41. - # For now, all known versions of gold linker have also this bug. - if (CMAKE_${lang}_COMPILER_LINKER_ID - AND (CMAKE_${lang}_COMPILER_LINKER_ID STREQUAL "GNUgold" - OR (CMAKE_${lang}_COMPILER_LINKER_ID STREQUAL "GNU" - AND CMAKE_${lang}_COMPILER_LINKER_VERSION VERSION_LESS "2.41"))) - set(CMAKE_${lang}_LINK_DEPENDS_USE_LINKER FALSE) - endif() - # Initial configuration flags. string(APPEND CMAKE_${lang}_FLAGS_INIT " ") string(APPEND CMAKE_${lang}_FLAGS_DEBUG_INIT " -g") |