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Add a CMake option to use a header-only external fmt

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This commit is contained in:
Martin Green
2019-04-07 17:12:41 +03:00
parent 02329f61e3
commit a984b1b073
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" OFF)
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")