Files
CMake/Modules/Compiler/Clang-OBJC.cmake
Marc Chevrier 2c71d051fa Makefiles Generators: use compiler for dependencies generation
Each source compilation generates a dependencies file. These dependencies
files are consolidated in one file per target. This consolidation is done
as part of command 'cmake -E cmake_depends` launched before evaluation of
makefile dependency graph.

The consolidation uses the same approach as `CMake` dependencies management.

Fixes: #21321
2020-11-29 15:25:42 +01:00

28 lines
966 B
CMake

include(Compiler/Clang)
__compiler_clang(OBJC)
if((NOT DEFINED CMAKE_DEPENDS_USE_COMPILER OR CMAKE_DEPENDS_USE_COMPILER)
AND CMAKE_GENERATOR MATCHES "Makefiles|WMake"
AND CMAKE_DEPFILE_FLAGS_OBJC)
# dependencies are computed by the compiler itself
set(CMAKE_OBJC_DEPFILE_FORMAT gcc)
set(CMAKE_OBJC_DEPENDS_USE_COMPILER TRUE)
endif()
if(NOT CMAKE_OBJC_COMPILER_VERSION VERSION_LESS 3.4)
set(CMAKE_OBJC90_STANDARD_COMPILE_OPTION "-std=c90")
set(CMAKE_OBJC90_EXTENSION_COMPILE_OPTION "-std=gnu90")
set(CMAKE_OBJC90_STANDARD__HAS_FULL_SUPPORT ON)
set(CMAKE_OBJC99_STANDARD_COMPILE_OPTION "-std=c99")
set(CMAKE_OBJC99_EXTENSION_COMPILE_OPTION "-std=gnu99")
set(CMAKE_OBJC99_STANDARD__HAS_FULL_SUPPORT ON)
set(CMAKE_OBJC11_STANDARD_COMPILE_OPTION "-std=c11")
set(CMAKE_OBJC11_EXTENSION_COMPILE_OPTION "-std=gnu11")
set(CMAKE_OBJC11_STANDARD__HAS_FULL_SUPPORT ON)
endif()
__compiler_check_default_language_standard(OBJC 3.4 99 3.6 11)