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link_flag: add multiple flag search

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This commit is contained in:
Danny Robson 2022-08-23 13:35:51 +10:00
parent 0b6d0ea507
commit 3b9eb09ba5
1 changed files with 29 additions and 0 deletions
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29
link_flag.cmake
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@ -1,6 +1,7 @@
############################################################################### ###############################################################################
set(_LINK_FLAG_LIST_DIR ${CMAKE_CURRENT_LIST_DIR}) set(_LINK_FLAG_LIST_DIR ${CMAKE_CURRENT_LIST_DIR})
macro(check_link_flag _variable _flag) macro(check_link_flag _variable _flag)
string (MAKE_C_IDENTIFIER ${_flag} _name) string (MAKE_C_IDENTIFIER ${_flag} _name)
@ -36,3 +37,31 @@ macro(append_link_flag _flag)
set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${_flag}") set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${_flag}")
endif() endif()
endmacro() endmacro()
##-----------------------------------------------------------------------------
macro(append_first_link_flag)
message(CHECK_START "First LDFLAG ${ARGV}")
foreach(__append_first_link_flag__flag ${ARGV})
set(__append_first_link_flag__test 0)
check_link_flag(
__append_first_link_flag__test
${__append_first_link_flag__flag}
)
if (${append_first_link_flag__test})
set (CMAKE_EXE_LINKER_FLAGS
"${CMAKE_EXE_LINKER_FLAGS} ${__append_first_link_flag__flag}"
)
message(CHECK_PASS "Found ${__append_first_link_flag__flag}")
break()
endif()
endforeach()
if (NOT ${_append_first_link_flag__test})
message(CHECK_FAIL "No valid flags")
endif ()
endmacro()