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Support for precompiled header for static & dynamic spdlog compilation.

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Compilation is shorten by 2 on windows with msvc. Some improvement for gcc and appleclang. Add SPDLOG_ENABLE_PCH option to CMake that is defaulted to ON. This will enable precompiled header by default if supported. It can be disable if user have a conflict of any kind. Or to check that project is still compiling with CMake version that do not support precompiled header.
This commit is contained in:
Olivier LDff
2020-03-20 16:25:35 +01:00
parent 2c5c96e159
commit 21d41b8e81
2 changed files with 266 additions and 0 deletions
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8
CMakeLists.txt
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@@ -62,6 +62,9 @@ endif ()
# build shared option
option(SPDLOG_BUILD_SHARED "Build shared library" OFF)
# precompiled headers option
option(SPDLOG_ENABLE_PCH "Build static or shared library using precompiled header to speed up compilation time" OFF)
# example options
option(SPDLOG_BUILD_EXAMPLE "Build example" ${SPDLOG_MASTER_PROJECT})
option(SPDLOG_BUILD_EXAMPLE_HO "Build header only example" OFF)
@@ -158,6 +161,11 @@ spdlog_enable_warnings(spdlog)
set_target_properties(spdlog PROPERTIES VERSION ${SPDLOG_VERSION} SOVERSION ${SPDLOG_VERSION_MAJOR})
set_target_properties(spdlog PROPERTIES DEBUG_POSTFIX d)
if(COMMAND target_precompile_headers AND SPDLOG_ENABLE_PCH)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/pch.h.in ${PROJECT_BINARY_DIR}/spdlog_pch.h @ONLY)
target_precompile_headers(spdlog PRIVATE ${PROJECT_BINARY_DIR}/spdlog_pch.h)
endif()
#---------------------------------------------------------------------------------------
# Header only version
#---------------------------------------------------------------------------------------