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-rw-r--r--mk/vars.mk9
-rw-r--r--target/config/Config.in.toolchain7
2 files changed, 14 insertions, 2 deletions
diff --git a/mk/vars.mk b/mk/vars.mk
index 2fabd7160..eaa8c5333 100644
--- a/mk/vars.mk
+++ b/mk/vars.mk
@@ -283,14 +283,19 @@ else
TARGET_CPPFLAGS+= -DNDEBUG
TARGET_CFLAGS+= -fomit-frame-pointer
TARGET_CXXFLAGS+= -fomit-frame-pointer
-# stop generating eh_frame stuff
+endif
+
+# stop generating eh_frame stuff, do not use it for C++
+ifeq ($(ADK_TARGET_CFLAGS_DISABLE_EH),y)
TARGET_CFLAGS+= -fno-unwind-tables -fno-asynchronous-unwind-tables
TARGET_CXXFLAGS+= -fno-unwind-tables -fno-asynchronous-unwind-tables
+endif
+
+# workaround gcc bug for m68k/coldfire
ifeq ($(ADK_TARGET_CPU_CF),y)
TARGET_CFLAGS+= -fno-dwarf2-cfi-asm
TARGET_CXXFLAGS+= -fno-dwarf2-cfi-asm
endif
-endif
ifeq ($(ADK_TARGET_ARCH_ARM),y)
ifeq ($(ADK_TARGET_ARCH_ARM_WITH_NEON),y)
diff --git a/target/config/Config.in.toolchain b/target/config/Config.in.toolchain
index 499e67011..0845490a1 100644
--- a/target/config/Config.in.toolchain
+++ b/target/config/Config.in.toolchain
@@ -32,6 +32,13 @@ config ADK_TARGET_CFLAGS_OPT_O0
endchoice
+config ADK_TARGET_CFLAGS_DISABLE_EH
+ bool "Disable exception handling and unwindung via compiler flags"
+ depends on !ADK_DEBUG
+ help
+ Do not use this optimization flags if you are planning to use C++
+ applications, which are often using exception handling.
+
menu "Compiler language support"
config ADK_TOOLCHAIN_WITH_CXX
bool "enable C++"