don't test the soft ABI on arm*-*-*-*eabihf targets

and vice versa don't test the hard ABI on arm*-*-*-eabi targets. These tests wouldn't pass anyway
and this avoids a build error on *eabihf targets.

Author: Jorge Aparicio

cmake/config-ix.cmake

@@ -207,8 +207,11 @@ elseif(NOT APPLE) # Supported archs for Apple platforms are generated later
     test_target_arch(mips "" "-mips32r2" "--target=mips-linux-gnu")
     test_target_arch(mips64 "" "-mips64r2" "--target=mips64-linux-gnu" "-mabi=n64")
   elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "arm")
-    test_target_arch(arm "" "-march=armv7-a" "-mfloat-abi=soft")
-    test_target_arch(armhf "" "-march=armv7-a" "-mfloat-abi=hard")
+    if("${COMPILER_RT_DEFAULT_TARGET_TRIPLE}" MATCHES "eabihf")
+      test_target_arch(armhf "" "-march=armv7-a" "-mfloat-abi=hard")
+    else()
+      test_target_arch(arm "" "-march=armv7-a" "-mfloat-abi=soft")
+    endif()
   elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "aarch32")
     test_target_arch(aarch32 "" "-march=armv8-a")
   elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "aarch64")