/usr/src/gcc-4.8/debian/patches/arm-multilib-soft.diff is in gcc-4.8-source 4.8.2-19ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | # DP: ARM hard/soft float multilib support
Index: b/src/gcc/config/arm/t-linux-eabi
===================================================================
--- a/src/gcc/config/arm/t-linux-eabi
+++ b/src/gcc/config/arm/t-linux-eabi
@@ -21,6 +21,20 @@
MULTILIB_OPTIONS =
MULTILIB_DIRNAMES =
+ifeq ($(with_float),hard)
+MULTILIB_OPTIONS = mfloat-abi=soft/mfloat-abi=hard
+MULTILIB_DIRNAMES = sf hf
+MULTILIB_EXCEPTIONS =
+MULTILIB_MATCHES = mfloat-abi?hard=mhard-float mfloat-abi?soft=msoft-float mfloat-abi?soft=mfloat-abi?softfp
+MULTILIB_OSDIRNAMES = arm-linux-gnueabi:arm-linux-gnueabi ../lib:arm-linux-gnueabihf
+else
+MULTILIB_OPTIONS = mfloat-abi=soft/mfloat-abi=hard
+MULTILIB_DIRNAMES = sf hf
+MULTILIB_EXCEPTIONS =
+MULTILIB_MATCHES = mfloat-abi?hard=mhard-float mfloat-abi?soft=msoft-float mfloat-abi?soft=mfloat-abi?softfp
+MULTILIB_OSDIRNAMES = ../lib:arm-linux-gnueabi arm-linux-gnueabihf:arm-linux-gnueabihf
+endif
+
#MULTILIB_OPTIONS += mcpu=fa606te/mcpu=fa626te/mcpu=fmp626/mcpu=fa726te
#MULTILIB_DIRNAMES += fa606te fa626te fmp626 fa726te
#MULTILIB_EXCEPTIONS += *mthumb/*mcpu=fa606te *mthumb/*mcpu=fa626te *mthumb/*mcpu=fmp626 *mthumb/*mcpu=fa726te*
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