--- src/gcc/gcc/config/arm/t-multilib.orig  2019-10-25 11:24:00.000000000 +0200
+++ src/gcc/gcc/config/arm/t-multilib   2019-11-28 16:18:29.938000000 +0100
@@ -96,13 +96,19 @@
 MULTILIB_OPTIONS   += mfloat-abi=soft/mfloat-abi=softfp/mfloat-abi=hard
 MULTILIB_DIRNAMES  += nofp softfp hard

+MULTILIB_OPTIONS   += mlittle-endian/mbig-endian
+MULTILIB_DIRNAMES  += le be
+
 MULTILIB_REQUIRED  += mthumb/mfloat-abi=soft
 MULTILIB_REQUIRED  += marm/march=armv5te+fp/mfloat-abi=softfp
 MULTILIB_REQUIRED  += marm/march=armv5te+fp/mfloat-abi=hard

-MULTILIB_REQUIRED  += mthumb/march=armv7/mfloat-abi=soft
-MULTILIB_REQUIRED  += mthumb/march=armv7+fp/mfloat-abi=softfp
-MULTILIB_REQUIRED  += mthumb/march=armv7+fp/mfloat-abi=hard
+MULTILIB_REQUIRED  += mthumb/march=armv7/mfloat-abi=soft/mlittle-endian
+MULTILIB_REQUIRED  += mthumb/march=armv7+fp/mfloat-abi=softfp/mlittle-endian
+MULTILIB_REQUIRED  += mthumb/march=armv7+fp/mfloat-abi=hard/mlittle-endian
+MULTILIB_REQUIRED  += mthumb/march=armv7/mfloat-abi=soft/mbig-endian
+MULTILIB_REQUIRED  += mthumb/march=armv7+fp/mfloat-abi=softfp/mbig-endian
+MULTILIB_REQUIRED  += mthumb/march=armv7+fp/mfloat-abi=hard/mbig-endian

 MULTILIB_REQUIRED  += mthumb/march=armv7-r+fp.sp/mfloat-abi=softfp
 MULTILIB_REQUIRED  += mthumb/march=armv7-r+fp.sp/mfloat-abi=hard
@@ -118,6 +124,8 @@
                 $(filter-out +fp.sp, $(v7_r_sp_variants)), \
                 march?armv7-r+fp.sp=march?armv7-r$(ARCH))

+MULTILIB_MATCHES   += mbig-endian=mbe
+
 MULTILIB_MATCHES   += $(foreach ARCH, $(all_early_arch), \
                 march?armv5te+fp=march?$(ARCH)+fp)
 # Map v8-r down onto common v7 code or v7-r sp.
@@ -187,15 +195,18 @@

 # Use Thumb libraries for everything.

-MULTILIB_REUSE     += mthumb/march.armv7/mfloat-abi.soft=marm/march.armv7/mfloat-abi.soft
+MULTILIB_REUSE     += $(foreach ENDIAN, little big, \
+                              mthumb/march.armv7/mfloat-abi.soft/m$(ENDIAN)-endian=marm/march.armv7/mfloat-abi.soft/m$(ENDIAN)-endian)

 MULTILIB_REUSE     += $(foreach ABI, hard softfp, \
                 $(foreach ARCH, armv7+fp armv7-r+fp\.sp, \
-                  mthumb/march.$(ARCH)/mfloat-abi.$(ABI)=marm/march.$(ARCH)/mfloat-abi.$(ABI)))
+               $(foreach ENDIAN, little big, \
+                   mthumb/march.$(ARCH)/mfloat-abi.$(ABI)=marm/march.$(ARCH)/mfloat-abi.$(ABI)/m$(ENDIAN)-endian)))

 # Softfp but no FP, use the soft-float libraries.
 MULTILIB_REUSE     += $(foreach MODE, arm thumb, \
                 $(foreach ARCH, armv7, \
-                  mthumb/march.$(ARCH)/mfloat-abi.soft=m$(MODE)/march.$(ARCH)/mfloat-abi.softfp))
+               $(foreach ENDIAN, little big, \
+                   mthumb/march.$(ARCH)/mfloat-abi.soft/m$(ENDIAN)-endian=m$(MODE)/march.$(ARCH)/mfloat-abi.softfp/m$(ENDIAN)-endian)))

 endif      # Not APROFILE.