[compiler-rt] Quote multiple warning flags in check_cxx_compiler_flag invocation

Without this all checks fail because CMake passes the flags
like this:
`... -nodefaultlibs   -D-Warray-bounds -Werror -std=c++17 ...`
Note the `-D` before the `-W`.

Reviewed By: ahatanak

Differential Revision: https://reviews.llvm.org/D146920

diff --git a/compiler-rt/cmake/config-ix.cmake b/compiler-rt/cmake/config-ix.cmake
index 5f51bef..0f12a4e 100644 (file)
--- a/compiler-rt/cmake/config-ix.cmake
+++ b/compiler-rt/cmake/config-ix.cmake
@@ -93,7 +93,7 @@ check_cxx_compiler_flag("-Werror -msse4.2"   COMPILER_RT_HAS_MSSE4_2_FLAG)
 check_cxx_compiler_flag(--sysroot=.          COMPILER_RT_HAS_SYSROOT_FLAG)
 check_cxx_compiler_flag("-Werror -mcrc"      COMPILER_RT_HAS_MCRC_FLAG)
 check_cxx_compiler_flag(-fno-partial-inlining COMPILER_RT_HAS_FNO_PARTIAL_INLINING_FLAG)
-check_cxx_compiler_flag(-Werror -ftrivial-auto-var-init=pattern COMPILER_RT_HAS_TRIVIAL_AUTO_INIT)
+check_cxx_compiler_flag("-Werror -ftrivial-auto-var-init=pattern" COMPILER_RT_HAS_TRIVIAL_AUTO_INIT)
 
 if(NOT WIN32 AND NOT CYGWIN)
   # MinGW warns if -fvisibility-inlines-hidden is used.
@@ -141,21 +141,21 @@ check_cxx_compiler_flag(/wd4391 COMPILER_RT_HAS_WD4391_FLAG)
 check_cxx_compiler_flag(/wd4722 COMPILER_RT_HAS_WD4722_FLAG)
 check_cxx_compiler_flag(/wd4800 COMPILER_RT_HAS_WD4800_FLAG)
 
-check_cxx_compiler_flag(-Werror -Warray-bounds COMPILER_RT_HAS_ARRAY_BOUNDS_FLAG)
-check_cxx_compiler_flag(-Werror -Wuninitialized COMPILER_RT_HAS_UNINITIALIZED_FLAG)
-check_cxx_compiler_flag(-Werror -Wshadow COMPILER_RT_HAS_SHADOW_FLAG)
-check_cxx_compiler_flag(-Werror -Wempty-body COMPILER_RT_HAS_EMPTY_BODY_FLAG)
-check_cxx_compiler_flag(-Werror -Wsizeof-pointer-memaccess COMPILER_RT_HAS_SIZEOF_POINTER_MEMACCESS_FLAG)
-check_cxx_compiler_flag(-Werror -Wsizeof-array-argument COMPILER_RT_HAS_SIZEOF_ARRAY_ARGUMENT_FLAG)
-check_cxx_compiler_flag(-Werror -Wsuspicious-memaccess COMPILER_RT_HAS_SUSPICIOUS_MEMACCESS_FLAG)
-check_cxx_compiler_flag(-Werror -Wbuiltin-memcpy-chk-size COMPILER_RT_HAS_BUILTIN_MEMCPY_CHK_SIZE_FLAG)
-check_cxx_compiler_flag(-Werror -Warray-bounds-pointer-arithmetic COMPILER_RT_HAS_ARRAY_BOUNDS_POINTER_ARITHMETIC_FLAG)
-check_cxx_compiler_flag(-Werror -Wreturn-stack-address COMPILER_RT_HAS_RETURN_STACK_ADDRESS_FLAG)
-check_cxx_compiler_flag(-Werror -Wsizeof-array-decay COMPILER_RT_HAS_SIZEOF_ARRAY_DECAY_FLAG)
-check_cxx_compiler_flag(-Werror -Wformat-insufficient-args COMPILER_RT_HAS_FORMAT_INSUFFICIENT_ARGS_FLAG)
-check_cxx_compiler_flag(-Werror -Wformat-security COMPILER_RT_HAS_BUILTIN_FORMAL_SECURITY_FLAG)
-check_cxx_compiler_flag(-Werror -Wsizeof-array-div COMPILER_RT_HAS_SIZEOF_ARRAY_DIV_FLAG)
-check_cxx_compiler_flag(-Werror -Wsizeof-pointer-div COMPILER_RT_HAS_SIZEOF_POINTER_DIV_FLAG)
+check_cxx_compiler_flag("-Werror -Warray-bounds" COMPILER_RT_HAS_ARRAY_BOUNDS_FLAG)
+check_cxx_compiler_flag("-Werror -Wuninitialized" COMPILER_RT_HAS_UNINITIALIZED_FLAG)
+check_cxx_compiler_flag("-Werror -Wshadow" COMPILER_RT_HAS_SHADOW_FLAG)
+check_cxx_compiler_flag("-Werror -Wempty-body" COMPILER_RT_HAS_EMPTY_BODY_FLAG)
+check_cxx_compiler_flag("-Werror -Wsizeof-pointer-memaccess" COMPILER_RT_HAS_SIZEOF_POINTER_MEMACCESS_FLAG)
+check_cxx_compiler_flag("-Werror -Wsizeof-array-argument" COMPILER_RT_HAS_SIZEOF_ARRAY_ARGUMENT_FLAG)
+check_cxx_compiler_flag("-Werror -Wsuspicious-memaccess" COMPILER_RT_HAS_SUSPICIOUS_MEMACCESS_FLAG)
+check_cxx_compiler_flag("-Werror -Wbuiltin-memcpy-chk-size" COMPILER_RT_HAS_BUILTIN_MEMCPY_CHK_SIZE_FLAG)
+check_cxx_compiler_flag("-Werror -Warray-bounds-pointer-arithmetic" COMPILER_RT_HAS_ARRAY_BOUNDS_POINTER_ARITHMETIC_FLAG)
+check_cxx_compiler_flag("-Werror -Wreturn-stack-address" COMPILER_RT_HAS_RETURN_STACK_ADDRESS_FLAG)
+check_cxx_compiler_flag("-Werror -Wsizeof-array-decay" COMPILER_RT_HAS_SIZEOF_ARRAY_DECAY_FLAG)
+check_cxx_compiler_flag("-Werror -Wformat-insufficient-args" COMPILER_RT_HAS_FORMAT_INSUFFICIENT_ARGS_FLAG)
+check_cxx_compiler_flag("-Werror -Wformat-security" COMPILER_RT_HAS_BUILTIN_FORMAL_SECURITY_FLAG)
+check_cxx_compiler_flag("-Werror -Wsizeof-array-div" COMPILER_RT_HAS_SIZEOF_ARRAY_DIV_FLAG)
+check_cxx_compiler_flag("-Werror -Wsizeof-pointer-div" COMPILER_RT_HAS_SIZEOF_POINTER_DIV_FLAG)
 
 # Symbols.
 check_symbol_exists(__func__ "" COMPILER_RT_HAS_FUNC_SYMBOL)