cmake_modules/compilerchecks.cmake
changeset 9220 5e7db24f3489
parent 9219 0a4b6bb69f99
child 9221 c4289023ddae
--- a/cmake_modules/compilerchecks.cmake	Thu Jun 13 14:44:28 2013 +0200
+++ b/cmake_modules/compilerchecks.cmake	Thu Jun 13 15:37:52 2013 +0200
@@ -33,32 +33,21 @@
 set(CMAKE_REQUIRED_FLAGS "-Wl,-z,noexecstack")
 check_c_compiler_flag("" HAVE_NOEXECSTACK)
 if(HAVE_NOEXECSTACK)
-    list(APPEND pascal_flags "-k-z" "-knoexecstack")
-    list(APPEND haskell_flags "-optl" "${CMAKE_REQUIRED_FLAGS}")
-    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${CMAKE_REQUIRED_FLAGS}")
-    set(CMAKE_SHARED_LIBRARY_C_FLAGS "${CMAKE_SHARED_LIBRARY_C_FLAGS} ${CMAKE_REQUIRED_FLAGS}")
-    set(CMAKE_SHARED_LIBRARY_CXX_FLAGS "${CMAKE_SHARED_LIBRARY_CXX_FLAGS} ${CMAKE_REQUIRED_FLAGS}")
+    append_linker_flag("-znoexecstack")
 endif()
 
 #check for full relro on ELF, Debian security
-set(CMAKE_REQUIRED_FLAGS "-Wl,-z,relro,-z,now")
+set(CMAKE_REQUIRED_FLAGS "-Wl,-zrelro,-znow")
 check_c_compiler_flag("" HAVE_RELROFULL)
 if(HAVE_RELROFULL)
-    list(APPEND pascal_flags "-k-z" "-krelro" "-k-z" "-know")
-    list(APPEND haskell_flags "-optl" "${CMAKE_REQUIRED_FLAGS}")
-    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${CMAKE_REQUIRED_FLAGS}")
-    set(CMAKE_SHARED_LIBRARY_C_FLAGS "${CMAKE_SHARED_LIBRARY_C_FLAGS} ${CMAKE_REQUIRED_FLAGS}")
-    set(CMAKE_SHARED_LIBRARY_CXX_FLAGS "${CMAKE_SHARED_LIBRARY_CXX_FLAGS} ${CMAKE_REQUIRED_FLAGS}")
+    append_linker_flag("-zrelro")
+    append_linker_flag("-znow")
 else()
     #if full relro is not available, try partial relro
-    set(CMAKE_REQUIRED_FLAGS "-Wl,-z,relro")
+    set(CMAKE_REQUIRED_FLAGS "-Wl,-zrelro")
     check_c_compiler_flag("" HAVE_RELROPARTIAL)
     if(HAVE_RELROPARTIAL)
-        list(APPEND pascal_flags "-k-z" "-krelro")
-        list(APPEND haskell_flags "-optl" "${CMAKE_REQUIRED_FLAGS}")
-        set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${CMAKE_REQUIRED_FLAGS}")
-        set(CMAKE_SHARED_LIBRARY_C_FLAGS "${CMAKE_SHARED_LIBRARY_C_FLAGS} ${CMAKE_REQUIRED_FLAGS}")
-        set(CMAKE_SHARED_LIBRARY_CXX_FLAGS "${CMAKE_SHARED_LIBRARY_CXX_FLAGS} ${CMAKE_REQUIRED_FLAGS}")
+        append_linker_flag("-zrelro")
     endif()
 endif()
 
@@ -66,33 +55,21 @@
 set(CMAKE_REQUIRED_FLAGS "-Wl,--nxcompat")
 check_c_compiler_flag("" HAVE_WINASLR)
 if(HAVE_WINASLR)
-    list(APPEND pascal_flags "-k--nxcompat")
-    list(APPEND haskell_flags "-optl" "${CMAKE_REQUIRED_FLAGS}")
-    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${CMAKE_REQUIRED_FLAGS}")
-    set(CMAKE_SHARED_LIBRARY_C_FLAGS "${CMAKE_SHARED_LIBRARY_C_FLAGS} ${CMAKE_REQUIRED_FLAGS}")
-    set(CMAKE_SHARED_LIBRARY_CXX_FLAGS "${CMAKE_SHARED_LIBRARY_CXX_FLAGS} ${CMAKE_REQUIRED_FLAGS}")
+    append_linker_flag("--nxcompat")
 endif()
 
 #check for DEP on Windows XP SP2 or later, requires binutils >= 2.20
 set(CMAKE_REQUIRED_FLAGS "-Wl,--dynamicbase")
 check_c_compiler_flag("" HAVE_WINDEP)
 if(HAVE_WINDEP)
-    list(APPEND pascal_flags "-k--dynamicbase")
-    list(APPEND haskell_flags "-optl" "${CMAKE_REQUIRED_FLAGS}")
-    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${CMAKE_REQUIRED_FLAGS}")
-    set(CMAKE_SHARED_LIBRARY_C_FLAGS "${CMAKE_SHARED_LIBRARY_C_FLAGS} ${CMAKE_REQUIRED_FLAGS}")
-    set(CMAKE_SHARED_LIBRARY_CXX_FLAGS "${CMAKE_SHARED_LIBRARY_CXX_FLAGS} ${CMAKE_REQUIRED_FLAGS}")
+    append_linker_flag("--dynamicbase")
 endif()
 
 #this is actually an optimisation
 set(CMAKE_REQUIRED_FLAGS "-Wl,--as-needed")
 check_c_compiler_flag("" HAVE_ASNEEDED)
 if(HAVE_ASNEEDED)
-    list(APPEND pascal_flags "-k--as-needed")
-    list(APPEND haskell_flags "-optl" "${CMAKE_REQUIRED_FLAGS}")
-    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${CMAKE_REQUIRED_FLAGS}")
-    set(CMAKE_SHARED_LIBRARY_C_FLAGS "${CMAKE_SHARED_LIBRARY_C_FLAGS} ${CMAKE_REQUIRED_FLAGS}")
-    set(CMAKE_SHARED_LIBRARY_CXX_FLAGS "${CMAKE_SHARED_LIBRARY_CXX_FLAGS} ${CMAKE_REQUIRED_FLAGS}")
+    append_linker_flag("--as-needed")
 endif()
 
 #always unset or these flags will be spread everywhere