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diff --git a/config/cc/gcc.in.2 b/config/cc/gcc.in.2
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+config CC_GCC_ENABLE_TARGET_OPTSPACE
+    bool
+    prompt "Optimize gcc libs for size"
+    default y
+    help
+      Pass --enable-target-optspace to crossgcc's configure.
+      
+      This will compile crossgcc's libs with -Os.
+
+comment "Misc. obscure options."
+
+config CC_CXA_ATEXIT
+    bool
+    prompt "Use __cxa_atexit"
+    default y
+    depends on ! BARE_METAL
+    help
+      If you get the missing symbol "__cxa_atexit" when building C++ programs,
+      you might want to try disabling this option.
+
+config CC_GCC_DISABLE_PCH
+    bool
+    prompt "Do not build PCH"
+    default n
+    help
+      Say 'y' here to not use Pre-Compiled Headers in the resulting toolchain.
+      at the expense of speed when compiling C++ code.
+      
+      For some configurations (most notably canadian?), PCH are broken, and
+      need to be disabled. Please see:
+        http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40974
+
+choice
+    bool
+    prompt "Use sjlj for exceptions"
+    default CC_SJLJ_EXCEPTIONS_CONFIGURE
+    depends on ! BARE_METAL
+
+# This config option is used nowhere in the code on purpose.
+# It only serves as a choice entry to force neither using nor not using sjlj
+config CC_SJLJ_EXCEPTIONS_CONFIGURE
+    bool
+    prompt "Let configure decide"
+    help
+      Let configure decide if setjmp/longjmp should be used to handle
+      exceptions.
+      
+      Choose that if you trust configure to detect the correct settings.
+      This is the default choice.
+
+config CC_SJLJ_EXCEPTIONS_USE
+    bool
+    prompt "Force using sjlj"
+    help
+      Do use setjmp/longjmp for exceptions.
+      This is gcc's --enable-sjlj-exceptions configure switch.
+      
+      Choose that if you want to use setjmp/longjmp to handle exceptions.
+
+config CC_SJLJ_EXCEPTIONS_DONT_USE
+    bool
+    prompt "Force not using sjlj"
+    help
+      Do not use setjmp/longjmp for exceptions.
+      This is gcc's --disable-sjlj-exceptions configure switch.
+      
+      Choose that if you want to not use setjmp/longjmp to handle exceptions.
+
+endchoice