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Add precompiled header support

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Note: the <filesystem> header is not included in the default
precompiled_headers.txt, because we don't use it yet, and it might be big
This commit is contained in:
Desour
2023-03-25 23:19:05 +01:00
committed by DS
parent cdbbac5b6d
commit 9da5c5e2d0
3 changed files with 132 additions and 0 deletions
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27
src/CMakeLists.txt
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@@ -48,6 +48,25 @@ if(NOT (BUILD_CLIENT OR BUILD_SERVER))
endif()
option(PRECOMPILE_HEADERS "Precompile some headers (experimental; requires CMake 3.16 or later)" FALSE)
set(PRECOMPILED_HEADERS_PATH "" CACHE FILEPATH "Path to a file listing all headers to precompile")
if(PRECOMPILE_HEADERS)
if(${CMAKE_VERSION} VERSION_LESS 3.16)
message(FATAL_ERROR "PRECOMPILE_HEADERS is on, but precompiled headers require at least CMake 3.16.")
endif()
if(PRECOMPILED_HEADERS_PATH)
set(PRECOMPILED_HEADERS ${PRECOMPILED_HEADERS_PATH})
else()
set(PRECOMPILED_HEADERS "${CMAKE_SOURCE_DIR}/src/precompiled_headers.txt")
endif()
message(STATUS "Reading headers to precompile from: ${PRECOMPILED_HEADERS}")
# ignore lines that begin with # and empty lines
file(STRINGS ${PRECOMPILED_HEADERS} PRECOMPILED_HEADERS_LIST REGEX "^[^#].*$")
set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${PRECOMPILED_HEADERS})
endif()
option(ENABLE_CURL "Enable cURL support for fetching media" TRUE)
set(USE_CURL FALSE)
@@ -619,6 +638,10 @@ if(BUILD_CLIENT)
if(BUILD_UNITTESTS OR BUILD_BENCHMARKS)
target_link_libraries(${PROJECT_NAME} Catch2::Catch2)
endif()
if(PRECOMPILE_HEADERS)
target_precompile_headers(${PROJECT_NAME} PRIVATE ${PRECOMPILED_HEADERS_LIST})
endif()
endif(BUILD_CLIENT)
@@ -682,6 +705,10 @@ if(BUILD_SERVER)
if(BUILD_UNITTESTS OR BUILD_BENCHMARKS)
target_link_libraries(${PROJECT_NAME}server Catch2::Catch2)
endif()
if(PRECOMPILE_HEADERS)
target_precompile_headers(${PROJECT_NAME}server PRIVATE ${PRECOMPILED_HEADERS_LIST})
endif()
endif(BUILD_SERVER)
# See issue #4638