9f4eb352fe
Instead of having CMake determine which files should go into each unity file, the user can now use explicitly state the mapping.
40 lines
1.1 KiB
CMake
40 lines
1.1 KiB
CMake
project(unitybuild_c_and_cxx C CXX)
|
|
|
|
set(srcs f.c)
|
|
foreach(s RANGE 1 8)
|
|
set(src_c "${CMAKE_CURRENT_BINARY_DIR}/s${s}.c")
|
|
file(WRITE "${src_c}" "
|
|
int f(int);\n
|
|
int s${s}(void) { return f(${s}); }\n"
|
|
)
|
|
|
|
set(src_cxx "${CMAKE_CURRENT_BINARY_DIR}/s${s}.cxx")
|
|
file(WRITE "${src_cxx}" "
|
|
extern \"C\" { \n
|
|
int f(int); \n
|
|
}\n
|
|
int s${s}(void) { return f(${s}); }\n"
|
|
)
|
|
|
|
list(APPEND srcs "${src_c}")
|
|
list(APPEND srcs "${src_cxx}")
|
|
endforeach()
|
|
|
|
|
|
|
|
add_library(tgt SHARED ${srcs})
|
|
|
|
set_target_properties(tgt PROPERTIES UNITY_BUILD ON
|
|
UNITY_BUILD_MODE GROUP
|
|
#UNITY_BUILD_BATCH_SIZE will be ignored
|
|
UNITY_BUILD_BATCH_SIZE 2)
|
|
|
|
set_source_files_properties(s1.c s2.c s3.c s4.c
|
|
s1.cxx s2.cxx s3.cxx s4.cxx
|
|
PROPERTIES UNITY_GROUP "a"
|
|
)
|
|
set_source_files_properties(s5.c s6.c s7.c s8.c
|
|
s5.cxx s6.cxx s7.cxx s8.cxx
|
|
PROPERTIES UNITY_GROUP "b"
|
|
)
|