[build] Control libstdc++ usage via WITH_CXX11ABI

CMakeLists.txt

@@ -12,6 +12,9 @@ option(WITH_EGL      "Use EGL backend" OFF)
 
 if(WITH_CXX11ABI)
     set(MASON_CXXABI_SUFFIX -cxx11abi)
+    add_definitions(-D_GLIBCXX_USE_CXX11_ABI=1)
+else()
+    add_definitions(-D_GLIBCXX_USE_CXX11_ABI=0)
 endif()
 
 if(WITH_OSMESA AND WITH_EGL)

Makefile

@@ -1,4 +1,5 @@
 export BUILDTYPE ?= Debug
+export WITH_CXX11ABI ?= $(shell scripts/check-cxx11abi.sh)
 
 ifeq ($(BUILDTYPE), Release)
 else ifeq ($(BUILDTYPE), Debug)
@@ -293,7 +294,7 @@ $(LINUX_BUILD): $(BUILD_DEPS)
 	(cd $(LINUX_OUTPUT_PATH) && cmake -G Ninja ../../.. \
 		-DCMAKE_BUILD_TYPE=$(BUILDTYPE) \
 		-DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
-		-DWITH_CXX11ABI=$(shell scripts/check-cxx11abi.sh) \
+		-DWITH_CXX11ABI=${WITH_CXX11ABI} \
 		-DWITH_COVERAGE=${WITH_COVERAGE} \
 		-DWITH_OSMESA=${WITH_OSMESA} \
 		-DWITH_EGL=${WITH_EGL})