[compiler-rt] r216083 - Fix latent bug in try_compile macro and use CMAKE_EXE_LINKER_FLAGS

[Alexey Samsonov]

Author: samsonov
Date: Wed Aug 20 12:12:58 2014
New Revision: 216083

URL: http://llvm.org/viewvc/llvm-project?rev=216083&view=rev
Log:
Fix latent bug in try_compile macro and use CMAKE_EXE_LINKER_FLAGS
when testing for supported architectures, as suggested by Andy Gibbs.


Modified:
    compiler-rt/trunk/cmake/config-ix.cmake

Modified: compiler-rt/trunk/cmake/config-ix.cmake
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/cmake/config-ix.cmake?rev=216083&r1=216082&r2=216083&view=diff
==============================================================================
--- compiler-rt/trunk/cmake/config-ix.cmake (original)
+++ compiler-rt/trunk/cmake/config-ix.cmake Wed Aug 20 12:12:58 2014
@@ -66,10 +66,14 @@ file(WRITE ${SIMPLE_SOURCE} "#include <s
 # architecture is supported by trying to build a simple file.
 macro(test_target_arch arch)
   set(TARGET_${arch}_CFLAGS ${ARGN})
+  set(argstring "${CMAKE_EXE_LINKER_FLAGS}")
+  foreach(arg ${ARGN})
+    set(argstring "${argstring} ${arg}")
+  endforeach()
   try_compile(CAN_TARGET_${arch} ${CMAKE_BINARY_DIR} ${SIMPLE_SOURCE}
               COMPILE_DEFINITIONS "${TARGET_${arch}_CFLAGS}"
               OUTPUT_VARIABLE TARGET_${arch}_OUTPUT
-              CMAKE_FLAGS "-DCMAKE_EXE_LINKER_FLAGS:STRING=${TARGET_${arch}_CFLAGS}")
+              CMAKE_FLAGS "-DCMAKE_EXE_LINKER_FLAGS:STRING=${argstring}")
   if(${CAN_TARGET_${arch}})
     list(APPEND COMPILER_RT_SUPPORTED_ARCH ${arch})
   elseif("${COMPILER_RT_TEST_TARGET_ARCH}" MATCHES "${arch}" OR