[Build][CMake] Update script for native building with clang12.

diff --git a/source/sample-scripts/build_default_vars.llvm12.sh b/source/sample-scripts/build_default_vars.llvm12.sh
index 52a70ff..8bd5cc6 100755 (executable)
--- a/source/sample-scripts/build_default_vars.llvm12.sh
+++ b/source/sample-scripts/build_default_vars.llvm12.sh
@@ -1,6 +1,18 @@
 #!/bin/sh
 SANITRIZER_FLAGS=""
+
+I_LIB_CLANG_FLAGS=""
+L_LIB_CLANG_FLAGS=""
+I_LIB_CLANGPP_FLAGS=""
+L_LIB_CLANGPP_FLAGS=""
+
 #SANITRIZER_FLAGS="-fsanitize=address"
+#I_LIB_CLANG_FLAGS=""
+#L_LIB_CLANG_FLAGS=""
+#I_LIB_CLANGPP_FLAGS="-stdlib=libc++"
+#L_LIB_CLANGPP_FLAGS="-stdlib=libc++"
+#I_LIB_CLANGPP_FLAGS="-stdlib=libstdc++"
+#L_LIB_CLANGPP_FLAGS="-stdlib=libstdc++"
 
 cmake .. -DCMAKE_TOOLCHAIN_FILE="$PWD/../cmake/toolchains/toolchain_native_llvm12.cmake" \
       -DCMAKE_BUILD_TYPE=Relwithdebinfo \
@@ -16,6 +28,8 @@ cmake .. -DCMAKE_TOOLCHAIN_FILE="$PWD/../cmake/toolchains/toolchain_native_llvm1
                -fstrict-vtable-pointers \
                -fstrict-enums \
                ${SANITIZER_FLAGS} \
+               ${I_LIB_CLANG_FLAGS} \
+               ${L_LIB_CLANG_FLAGS} \
                -Wa,--compress-debug-sections=zlib \
                " \
       -DCMAKE_CXX_FLAGS_RELWITHDEBINFO=" \
@@ -29,6 +43,8 @@ cmake .. -DCMAKE_TOOLCHAIN_FILE="$PWD/../cmake/toolchains/toolchain_native_llvm1
                -fvectorize \
                -fstrict-vtable-pointers \
                -fstrict-enums \
+               ${I_LIB_CLANGPP_FLAGS} \
+               ${L_LIB_CLANGPP_FLAGS} \
                ${SANITIZER_FLAGS} \
                -Wa,--compress-debug-sections=zlib \
                " \
@@ -37,6 +53,10 @@ cmake .. -DCMAKE_TOOLCHAIN_FILE="$PWD/../cmake/toolchains/toolchain_native_llvm1
                -gz=zlib \
                -O3 \
                -msse2 \
+               ${I_LIB_CLANG_FLAGS} \
+               ${L_LIB_CLANG_FLAGS} \
+               ${I_LIB_CLANGPP_FLAGS} \
+               ${L_LIB_CLANGPP_FLAGS} \
                ${SANITIZER_FLAGS} \
                -Wl,--compress-debug-sections=zlib \
                " \
@@ -45,6 +65,10 @@ cmake .. -DCMAKE_TOOLCHAIN_FILE="$PWD/../cmake/toolchains/toolchain_native_llvm1
                -gz \
                -O3 \
                -msse2 \
+               ${I_LIB_CLANG_FLAGS} \
+               ${L_LIB_CLANG_FLAGS} \
+               ${I_LIB_CLANGPP_FLAGS} \
+               ${L_LIB_CLANGPP_FLAGS} \
                ${SANITIZER_FLAGS} \
                -Wl,--compress-debug-sections=zlib \
                " \