blob: ab859239fbae2d2dbd7da5440852370d3e7f6aea [file] [log] [blame]
set(CMAKE_DL_LIBS "")
set(CMAKE_C_COMPILE_OPTIONS_PIC "-fPIC")
set(CMAKE_C_COMPILE_OPTIONS_PIE "-fPIE")
# PIE link options are managed in Compiler/<compiler>.cmake file
set(CMAKE_SHARED_LIBRARY_C_FLAGS "-fPIC") # -pic
set(CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-shared") # -shared
set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "") # +s, flag for exe link to use shared lib
set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "-Wl,-rpath,") # -rpath
set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG_SEP ":") # : or empty
set(CMAKE_SHARED_LIBRARY_RPATH_ORIGIN_TOKEN "\$ORIGIN")
set(CMAKE_SHARED_LIBRARY_RPATH_LINK_C_FLAG "-Wl,-rpath-link,")
set(CMAKE_SHARED_LIBRARY_SONAME_C_FLAG "-Wl,-soname,")
set(CMAKE_EXE_EXPORTS_C_FLAG "-Wl,--export-dynamic")
# Features for LINK_LIBRARY generator expression
## check linker capabilities
if(NOT DEFINED _CMAKE_LINKER_PUSHPOP_STATE_SUPPORTED)
execute_process(COMMAND "${CMAKE_LINKER}" --help
OUTPUT_VARIABLE __linker_help
ERROR_VARIABLE __linker_help)
if(__linker_help MATCHES "--push-state" AND __linker_help MATCHES "--pop-state")
set(_CMAKE_LINKER_PUSHPOP_STATE_SUPPORTED TRUE CACHE INTERNAL "linker supports push/pop state")
else()
set(_CMAKE_LINKER_PUSHPOP_STATE_SUPPORTED FALSE CACHE INTERNAL "linker supports push/pop state")
endif()
unset(__linker_help)
endif()
## WHOLE_ARCHIVE: Force loading all members of an archive
if(_CMAKE_LINKER_PUSHPOP_STATE_SUPPORTED)
set(CMAKE_LINK_LIBRARY_USING_WHOLE_ARCHIVE "LINKER:--push-state,--whole-archive"
"<LINK_ITEM>"
"LINKER:--pop-state")
else()
set(CMAKE_LINK_LIBRARY_USING_WHOLE_ARCHIVE "LINKER:--whole-archive"
"<LINK_ITEM>"
"LINKER:--no-whole-archive")
endif()
set(CMAKE_LINK_LIBRARY_USING_WHOLE_ARCHIVE_SUPPORTED TRUE)
# Features for LINK_GROUP generator expression
## RESCAN: request the linker to rescan static libraries until there is
## no pending undefined symbols
set(CMAKE_LINK_GROUP_USING_RESCAN "LINKER:--start-group" "LINKER:--end-group")
set(CMAKE_LINK_GROUP_USING_RESCAN_SUPPORTED TRUE)
include(Platform/UnixPaths)