rockbox-multilibs-noexceptions-arm-elf-eabi-gcc-4.9.4.diff

--- gcc-4.9.4-orig/gcc/config/arm/t-arm-elf	2014-01-02 17:23:26.000000000 -0500
+++ gcc-4.9.4/gcc/config/arm/t-arm-elf	2020-03-29 20:17:10.145986082 -0400
@@ -44,6 +44,11 @@
 #MULTILIB_EXCEPTIONS    += *mcpu=fa526/*mfloat-abi=hard*
 #MULTILIB_EXCEPTIONS    += *mcpu=fa626/*mfloat-abi=hard*

+# We build a lib for each specific CPU Rockbox targets.  If anyone knows a better
+# way to do this, please let us know.
+MULTILIB_OPTIONS    += mcpu=arm7tdmi/mcpu=arm9tdmi/mcpu=arm9e/mcpu=arm926ej-s/mcpu=arm1136jf-s
+MULTILIB_DIRNAMES   += arm7tdmi arm9tdmi arm9e arm926ej-s arm1136jf-s
+
 # MULTILIB_OPTIONS    += mcpu=ep9312
 # MULTILIB_DIRNAMES   += ep9312
 # MULTILIB_EXCEPTIONS += *mthumb/*mcpu=ep9312*
@@ -56,8 +61,8 @@
 # MULTILIB_DIRNAMES   += fpu soft
 # MULTILIB_EXCEPTIONS += *mthumb/*mfloat-abi=hard*
 # 
-# MULTILIB_OPTIONS    += mno-thumb-interwork/mthumb-interwork
-# MULTILIB_DIRNAMES   += normal interwork
+MULTILIB_OPTIONS    += mno-thumb-interwork/mthumb-interwork
+MULTILIB_DIRNAMES   += normal interwork
 # 
 # MULTILIB_OPTIONS    += fno-leading-underscore/fleading-underscore
 # MULTILIB_DIRNAMES   += elf under
--- gcc-4.9.4-orig/libgcc/Makefile.in	2014-01-08 11:37:08.000000000 -0500
+++ gcc-4.9.4/libgcc/Makefile.in	2020-03-29 20:29:23.978695440 -0400
@@ -495,7 +495,7 @@
 ifeq ($(LIB2_DIVMOD_EXCEPTION_FLAGS),)
 # Provide default flags for compiling divmod functions, if they haven't been
 # set already by a target-specific Makefile fragment.
-LIB2_DIVMOD_EXCEPTION_FLAGS := -fexceptions -fnon-call-exceptions
+LIB2_DIVMOD_EXCEPTION_FLAGS := -fno-exceptions -fno-non-call-exceptions
 endif

 # Build LIB2_DIVMOD_FUNCS.
@@ -816,7 +816,7 @@
 # libgcc_eh.a, only LIB2ADDEH matters.  If we do, only LIB2ADDEHSTATIC and
 # LIB2ADDEHSHARED matter.  (Usually all three are identical.)

-c_flags := -fexceptions
+c_flags := -fno-exceptions

 ifeq ($(enable_shared),yes)