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build: enable iwyu with target properties instead of variables (#21797)

Browse Source 
IWYU stopped working after 438b4361cc,
likely due to the code being moved from CMakeLists.txt to
src/nvim/CMakelists.txt. Using the IWYU target property instead of the
variable ensures that the information to use IWYU isn't lost.
This commit is contained in:
dundargoc
2023-01-14 15:37:31 +01:00
committed by GitHub
parent 686168c648
commit c1fffc42fb
1 changed files with 9 additions and 6 deletions
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15
src/nvim/CMakeLists.txt
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@@ -77,12 +77,15 @@ if(ENABLE_IWYU)
if(NOT IWYU_PRG)
message(FATAL_ERROR "ENABLE_IWYU is ON but include-what-you-use is not found!")
endif()
set(CMAKE_C_INCLUDE_WHAT_YOU_USE ${IWYU_PRG}
-Xiwyu --mapping_file=${PROJECT_SOURCE_DIR}/cmake.config/iwyu/mapping.imp
-Xiwyu --mapping_file=${PROJECT_SOURCE_DIR}/cmake.config/iwyu/gcc.libc.imp
-Xiwyu --mapping_file=${PROJECT_SOURCE_DIR}/cmake.config/iwyu/gcc.symbols.imp
-Xiwyu --no_default_mappings)
target_compile_definitions(main_lib INTERFACE EXITFREE)
set(iwyu_flags "${IWYU_PRG};")
string(APPEND iwyu_flags "-Xiwyu;--no_default_mappings;")
string(APPEND iwyu_flags "-Xiwyu;--mapping_file=${PROJECT_SOURCE_DIR}/cmake.config/iwyu/mapping.imp;")
string(APPEND iwyu_flags "-Xiwyu;--mapping_file=${PROJECT_SOURCE_DIR}/cmake.config/iwyu/gcc.libc.imp;")
string(APPEND iwyu_flags "-Xiwyu;--mapping_file=${PROJECT_SOURCE_DIR}/cmake.config/iwyu/gcc.symbols.imp")
set_target_properties(nvim PROPERTIES C_INCLUDE_WHAT_YOU_USE "${iwyu_flags}")
target_compile_definitions(nvim PRIVATE EXITFREE)
endif()
if(MSVC)