diff --git a/src/spice2x/CMakeLists.txt b/src/spice2x/CMakeLists.txt
index e540d2e..1bc5895 100644
--- a/src/spice2x/CMakeLists.txt
+++ b/src/spice2x/CMakeLists.txt
@@ -109,6 +109,12 @@ elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
     # RapidJSON does this
     add_compile_definitions(_SILENCE_CXX17_ITERATOR_BASE_CLASS_DEPRECATION_WARNING)
 
+    add_compile_options("-Wno-nontrivial-memcall") # imgui, rapidjson
+    add_compile_options("-Wno-deprecated-builtins") # robin_hood
+    add_compile_options("-Wno-deprecated-declarations") # rapidjson
+    add_compile_options("-Wno-inconsistent-missing-override") # headsocket
+    add_compile_options("-Wno-microsoft-exception-spec") # gcc/clang have different noexcept specifiers on d3d9 COM interfaces
+
     # warnings
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wunknown-warning-option")
 
diff --git a/src/spice2x/build_all.sh b/src/spice2x/build_all.sh
index 52da9ae..da2909a 100755
--- a/src/spice2x/build_all.sh
+++ b/src/spice2x/build_all.sh
@@ -41,8 +41,8 @@ done
 # settings
 GIT_BRANCH=$(git rev-parse --abbrev-ref HEAD 2> /dev/null || echo "none")
 GIT_HEAD=$(git rev-parse HEAD || echo "none")
-TOOLCHAIN_32="/usr/share/mingw/toolchain-i686-w64-mingw32.cmake"
-TOOLCHAIN_64="/usr/share/mingw/toolchain-x86_64-w64-mingw32.cmake"
+TOOLCHAIN_32="${TOOLCHAIN_32:-"/usr/share/mingw/toolchain-i686-w64-mingw32.cmake"}"
+TOOLCHAIN_64="${TOOLCHAIN_64:-"/usr/share/mingw/toolchain-x86_64-w64-mingw32.cmake"}"
 BUILDDIR_32_RELEASE="./cmake-build-release-32"
 BUILDDIR_32_DEBUG="./cmake-build-debug-32"
 BUILDDIR_64_RELEASE="./cmake-build-release-64"