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| author | Brad King <brad.king@kitware.com> | 2009-07-23 14:07:25 (GMT) |
|---|---|---|
| committer | Brad King <brad.king@kitware.com> | 2009-07-23 14:07:25 (GMT) |
| commit | 07ea19ad1f280e7a1cb07ab2b52c0081f72251dd (patch) | |
| tree | 3844b6660772215cdae9420ddcfa3574be35e8db /Modules/CMakeDetermineCompilerABI.cmake | |
| parent | 797e49a1cc53fb120fad286665c875075eb18361 (diff) | |
| download | CMake-07ea19ad1f280e7a1cb07ab2b52c0081f72251dd.zip CMake-07ea19ad1f280e7a1cb07ab2b52c0081f72251dd.tar.gz CMake-07ea19ad1f280e7a1cb07ab2b52c0081f72251dd.tar.bz2 | |
ENH: Implicit link info for C, CXX, and Fortran
This teaches CMake to detect implicit link information for C, C++, and
Fortran compilers. We detect the implicit linker search directories and
implicit linker options for UNIX-like environments using verbose output
from compiler front-ends. We store results in new variables called
CMAKE_<LANG>_IMPLICIT_LINK_LIBRARIES
CMAKE_<LANG>_IMPLICIT_LINK_DIRECTORIES
The implicit libraries can contain linker flags as well as library
names.
Diffstat (limited to 'Modules/CMakeDetermineCompilerABI.cmake')
| -rw-r--r-- | Modules/CMakeDetermineCompilerABI.cmake | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Modules/CMakeDetermineCompilerABI.cmake b/Modules/CMakeDetermineCompilerABI.cmake index 3fd06a9..d519237 100644 --- a/Modules/CMakeDetermineCompilerABI.cmake +++ b/Modules/CMakeDetermineCompilerABI.cmake @@ -3,6 +3,8 @@ # This is used internally by CMake and should not be included by user # code. +INCLUDE(${CMAKE_ROOT}/Modules/CMakeParseImplicitLinkInfo.cmake) + FUNCTION(CMAKE_DETERMINE_COMPILER_ABI lang src) IF(NOT DEFINED CMAKE_DETERMINE_${lang}_ABI_COMPILED) MESSAGE(STATUS "Detecting ${lang} compiler ABI info") @@ -11,6 +13,8 @@ FUNCTION(CMAKE_DETERMINE_COMPILER_ABI lang src) SET(BIN "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeDetermineCompilerABI_${lang}.bin") TRY_COMPILE(CMAKE_DETERMINE_${lang}_ABI_COMPILED ${CMAKE_BINARY_DIR} ${src} + CMAKE_FLAGS "-DCMAKE_EXE_LINKER_FLAGS=${CMAKE_${lang}_VERBOSE_FLAG}" + "-DCMAKE_${lang}_STANDARD_LIBRARIES=" OUTPUT_VARIABLE OUTPUT COPY_FILE "${BIN}" ) @@ -40,6 +44,15 @@ FUNCTION(CMAKE_DETERMINE_COMPILER_ABI lang src) SET(CMAKE_INTERNAL_PLATFORM_ABI "${ABI_NAME}" PARENT_SCOPE) ENDIF(ABI_NAME) + # Parse implicit linker information for this language, if available. + SET(implicit_dirs "") + SET(implicit_libs "") + IF(CMAKE_${lang}_VERBOSE_FLAG) + CMAKE_PARSE_IMPLICIT_LINK_INFO("${OUTPUT}" implicit_libs implicit_dirs) + ENDIF() + SET(CMAKE_${lang}_IMPLICIT_LINK_LIBRARIES "${implicit_libs}" PARENT_SCOPE) + SET(CMAKE_${lang}_IMPLICIT_LINK_DIRECTORIES "${implicit_dirs}" PARENT_SCOPE) + ELSE(CMAKE_DETERMINE_${lang}_ABI_COMPILED) MESSAGE(STATUS "Detecting ${lang} compiler ABI info - failed") FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log |