jsoncpp/src/lib_json/CMakeLists.txt

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CMake
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if( CMAKE_COMPILER_IS_GNUCXX )
#Get compiler version.
execute_process( COMMAND ${CMAKE_CXX_COMPILER} -dumpversion
OUTPUT_VARIABLE GNUCXX_VERSION )
#-Werror=* was introduced -after- GCC 4.1.2
if( GNUCXX_VERSION VERSION_GREATER 4.1.2 )
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror=strict-aliasing")
endif()
endif( CMAKE_COMPILER_IS_GNUCXX )
include(CheckIncludeFileCXX)
include(CheckTypeSize)
include(CheckStructHasMember)
include(CheckCXXSymbolExists)
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check_include_file_cxx(clocale HAVE_CLOCALE)
check_cxx_symbol_exists(localeconv clocale HAVE_LOCALECONV)
if(CMAKE_VERSION VERSION_LESS 3.0.0)
# The "LANGUAGE CXX" parameter is not supported in CMake versions below 3,
# so the C compiler and header has to be used.
check_include_file(locale.h HAVE_LOCALE_H)
set(CMAKE_EXTRA_INCLUDE_FILES locale.h)
check_type_size("struct lconv" LCONV_SIZE)
unset(CMAKE_EXTRA_INCLUDE_FILES)
check_struct_has_member("struct lconv" decimal_point locale.h HAVE_DECIMAL_POINT)
else()
set(CMAKE_EXTRA_INCLUDE_FILES clocale)
check_type_size(lconv LCONV_SIZE LANGUAGE CXX)
unset(CMAKE_EXTRA_INCLUDE_FILES)
check_struct_has_member(lconv decimal_point clocale HAVE_DECIMAL_POINT LANGUAGE CXX)
endif()
if(NOT (HAVE_CLOCALE AND HAVE_LCONV_SIZE AND HAVE_DECIMAL_POINT AND HAVE_LOCALECONV))
message(WARNING "Locale functionality is not supported")
add_definitions(-DJSONCPP_NO_LOCALE_SUPPORT)
endif()
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set( JSONCPP_INCLUDE_DIR ../../include )
set( PUBLIC_HEADERS
${JSONCPP_INCLUDE_DIR}/json/config.h
${JSONCPP_INCLUDE_DIR}/json/forwards.h
${JSONCPP_INCLUDE_DIR}/json/features.h
${JSONCPP_INCLUDE_DIR}/json/value.h
${JSONCPP_INCLUDE_DIR}/json/reader.h
${JSONCPP_INCLUDE_DIR}/json/writer.h
${JSONCPP_INCLUDE_DIR}/json/assertions.h
${JSONCPP_INCLUDE_DIR}/json/version.h
)
source_group( "Public API" FILES ${PUBLIC_HEADERS} )
set(jsoncpp_sources
json_tool.h
json_reader.cpp
json_valueiterator.inl
json_value.cpp
json_writer.cpp
version.h.in)
# Install instructions for this target
if(JSONCPP_WITH_CMAKE_PACKAGE)
set(INSTALL_EXPORT EXPORT jsoncpp)
else(JSONCPP_WITH_CMAKE_PACKAGE)
set(INSTALL_EXPORT)
endif()
if(BUILD_SHARED_LIBS)
add_definitions( -DJSON_DLL_BUILD )
endif()
add_library(jsoncpp_lib ${PUBLIC_HEADERS} ${jsoncpp_sources})
set_target_properties( jsoncpp_lib PROPERTIES VERSION ${JSONCPP_VERSION} SOVERSION ${JSONCPP_SOVERSION})
set_target_properties( jsoncpp_lib PROPERTIES OUTPUT_NAME jsoncpp
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DEBUG_OUTPUT_NAME jsoncpp${DEBUG_LIBNAME_SUFFIX} )
set_target_properties( jsoncpp_lib PROPERTIES POSITION_INDEPENDENT_CODE ON)
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# Set library's runtime search path on OSX
if(APPLE)
set_target_properties( jsoncpp_lib PROPERTIES INSTALL_RPATH "@loader_path/." )
endif()
install( TARGETS jsoncpp_lib ${INSTALL_EXPORT}
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RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
if(NOT CMAKE_VERSION VERSION_LESS 2.8.11)
target_include_directories( jsoncpp_lib PUBLIC
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$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/${JSONCPP_INCLUDE_DIR}>)
endif()