[PATCH] [sanitizer][MIPS] Add --target flag for MIPS32

[Sagar Thakur]

Addressed review comments


REPOSITORY
  rL LLVM

http://reviews.llvm.org/D9249

Files:
  cmake/Modules/CompilerRTCompile.cmake
  cmake/config-ix.cmake

Index: cmake/Modules/CompilerRTCompile.cmake
===================================================================
--- cmake/Modules/CompilerRTCompile.cmake
+++ cmake/Modules/CompilerRTCompile.cmake
@@ -46,6 +46,7 @@
   else()
     string(REPLACE " " ";" global_flags "${CMAKE_C_FLAGS}")
   endif()
+  string(REPLACE " " ";" SOURCE_CFLAGS "${SOURCE_CFLAGS}")
 
   if (MSVC)
     translate_msvc_cflags(global_flags "${global_flags}")
Index: cmake/config-ix.cmake
===================================================================
--- cmake/config-ix.cmake
+++ cmake/config-ix.cmake
@@ -196,11 +196,11 @@
     # FIXME: Ideally, we would build the N32 library too.
     if("${COMPILER_RT_TEST_TARGET_ARCH}" MATCHES "mipsel|mips64el")
       # regex for mipsel, mips64el
-      test_target_arch(mipsel "" "-mips32r2")
-      test_target_arch(mips64el "" "-mips64r2 -mabi=n64")
+      test_target_arch(mipsel "" "-mips32r2" "--target=mipsel-linux-gnu")
+      test_target_arch(mips64el "" "-mips64r2" "-mabi=n64")
     else()
-      test_target_arch(mips "" "-mips32r2")
-      test_target_arch(mips64 "" "-mips64r2 -mabi=n64")
+      test_target_arch(mips "" "-mips32r2" "--target=mips-linux-gnu")
+      test_target_arch(mips64 "" "-mips64r2" "-mabi=n64")
     endif()
   elseif("${COMPILER_RT_TEST_TARGET_ARCH}" MATCHES "arm")
     test_target_arch(arm "" "-march=armv7-a")
@@ -231,6 +231,11 @@
   if(ARCH_INDEX EQUAL -1)
     message(FATAL_ERROR "Unsupported architecture: ${arch}")
   else()
+  set(argstring "")
+  foreach(CFLAG ${TARGET_${arch}_CFLAGS})
+    set(argstring "${argstring} ${CFLAG}")
+  endforeach()
+  set(TARGET_${arch}_CFLAGS ${argstring})
     set(${out_var} ${TARGET_${arch}_CFLAGS} PARENT_SCOPE)
   endif()
 endfunction()

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