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link with version script only if linker supports it

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This commit is contained in:
Andrew Kelley 2015-11-18 15:00:20 -07:00
parent 66c7d1b1ac
commit 006d2050bd
1 changed files with 9 additions and 1 deletions
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10
CMakeLists.txt
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@ -1,6 +1,7 @@
cmake_minimum_required(VERSION 2.8.5) cmake_minimum_required(VERSION 2.8.5)
project(libsoundio C) project(libsoundio C)
set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake ${CMAKE_MODULE_PATH}) set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake ${CMAKE_MODULE_PATH})
include(CheckCCompilerFlag)
if(CMAKE_VERSION VERSION_LESS 3.0.0) if(CMAKE_VERSION VERSION_LESS 3.0.0)
set(CMAKE_INSTALL_LIBDIR "lib" CACHE PATH "library install dir (lib)") set(CMAKE_INSTALL_LIBDIR "lib" CACHE PATH "library install dir (lib)")
@ -217,6 +218,13 @@ configure_file(
"${CMAKE_SOURCE_DIR}/src/link_version_script.in" "${CMAKE_SOURCE_DIR}/src/link_version_script.in"
${LINK_VERSION_SCRIPT} ${LINK_VERSION_SCRIPT}
) )
set(VERSION_SCRIPT_FLAG "-Wl,--version-script='${LINK_VERSION_SCRIPT}'")
check_c_compiler_flag("${VERSION_SCRIPT_FLAG}" VERSION_SCRIPT_OK)
if (VERSION_SCRIPT_OK)
set(SHARED_LINK_FLAGS "${VERSION_SCRIPT_FLAG}")
else()
set(SHARED_LINK_FLAGS " ")
endif()
add_library(libsoundio_shared SHARED ${LIBSOUNDIO_SOURCES} ${LINK_VERSION_SCRIPT}) add_library(libsoundio_shared SHARED ${LIBSOUNDIO_SOURCES} ${LINK_VERSION_SCRIPT})
set_target_properties(libsoundio_shared PROPERTIES set_target_properties(libsoundio_shared PROPERTIES
@ -225,7 +233,7 @@ set_target_properties(libsoundio_shared PROPERTIES
VERSION ${LIBSOUNDIO_VERSION} VERSION ${LIBSOUNDIO_VERSION}
COMPILE_FLAGS ${LIB_CFLAGS} COMPILE_FLAGS ${LIB_CFLAGS}
LINKER_LANGUAGE C LINKER_LANGUAGE C
LINK_FLAGS "-Wl,--version-script='${LINK_VERSION_SCRIPT}'" LINK_FLAGS "${SHARED_LINK_FLAGS}"
) )
target_link_libraries(libsoundio_shared LINK_PUBLIC ${LIBSOUNDIO_LIBS}) target_link_libraries(libsoundio_shared LINK_PUBLIC ${LIBSOUNDIO_LIBS})
install(TARGETS libsoundio_shared DESTINATION ${CMAKE_INSTALL_LIBDIR}) install(TARGETS libsoundio_shared DESTINATION ${CMAKE_INSTALL_LIBDIR})