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Merge pull request #1058 from mnemotic/cmake-fmt-header-only 

Add a CMake option to use a header-only external fmt
This commit is contained in:
Gabi Melman 2019-04-10 10:24:53 +03:00 committed by GitHub
parent 02329f61e3 7e63d773ef
commit 411d588fea
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 5 deletions
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16
CMakeLists.txt
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@ -53,12 +53,9 @@ option(SPDLOG_BUILD_EXAMPLES "Build examples" ${SPDLOG_MASTER_PROJECT})
option(SPDLOG_BUILD_BENCH "Build benchmarks (Requires https://github.com/google/benchmark.git to be installed)" OFF)
option(SPDLOG_BUILD_TESTS "Build tests" ${SPDLOG_MASTER_PROJECT})
option(SPDLOG_FMT_EXTERNAL "Use external fmt library instead of bundled" OFF)
option(SPDLOG_FMT_HEADER_ONLY "Use header-only variant of external fmt library" ON)
option(SPDLOG_INSTALL "Generate the install target." ${SPDLOG_MASTER_PROJECT})
if(SPDLOG_FMT_EXTERNAL AND NOT TARGET fmt::fmt)
find_package(fmt REQUIRED CONFIG)
endif()
target_include_directories(
spdlog
INTERFACE
@ -68,7 +65,16 @@ target_include_directories(
if(SPDLOG_FMT_EXTERNAL)
target_compile_definitions(spdlog INTERFACE SPDLOG_FMT_EXTERNAL)
target_link_libraries(spdlog INTERFACE fmt::fmt)
if(NOT TARGET fmt::fmt)
find_package(fmt REQUIRED CONFIG)
endif()
if(SPDLOG_FMT_HEADER_ONLY)
target_link_libraries(spdlog INTERFACE fmt::fmt-header-only)
else()
target_link_libraries(spdlog INTERFACE fmt::fmt)
endif()
endif()
set(HEADER_BASE "${CMAKE_CURRENT_SOURCE_DIR}/include")