buildroot/package/gcc/6.4.0/810-arm-softfloat-libgcc.patch

Index: b/gcc/config/arm/linux-elf.h
===================================================================
--- a/gcc/config/arm/linux-elf.h
+++ b/gcc/config/arm/linux-elf.h
@@ -60,7 +60,7 @@
    %{shared:-lc} \
    %{!shared:%{profile:-lc_p}%{!profile:-lc}}"
 
-#define LIBGCC_SPEC "%{mfloat-abi=soft*:-lfloat} -lgcc"
+#define LIBGCC_SPEC "-lgcc"
 
 #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
 
Index: b/libgcc/config/arm/t-linux
===================================================================
--- a/libgcc/config/arm/t-linux
+++ b/libgcc/config/arm/t-linux
@@ -1,6 +1,11 @@
 LIB1ASMSRC = arm/lib1funcs.S
 LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_lnx _clzsi2 _clzdi2 \
-	_ctzsi2 _arm_addsubdf3 _arm_addsubsf3
+	_ctzsi2 _arm_addsubdf3 _arm_addsubsf3 \
+	_arm_addsubdf3 _arm_addsubsf3 \
+	_arm_negdf2 _arm_muldivdf3 _arm_cmpdf2 _arm_unorddf2 \
+	_arm_fixdfsi _arm_fixunsdfsi _arm_truncdfsf2 \
+	_arm_negsf2 _arm_muldivsf3 _arm_cmpsf2 _arm_unordsf2 \
+	_arm_fixsfsi _arm_fixunssfsi
 
 # Just for these, we omit the frame pointer since it makes such a big
 # difference.