1 files changed, 22 insertions, 9 deletions

diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index 1f409bf81809..c43eb0d7fa3b 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -2,7 +2,7 @@
 # arch/sh/Makefile
 #
 # Copyright (C) 1999  Kaz Kojima
-# Copyright (C) 2002, 2003, 2004  Paul Mundt
+# Copyright (C) 2002 - 2008  Paul Mundt
 # Copyright (C) 2002  M. R. Brown
 #
 # This file is subject to the terms and conditions of the GNU General Public
@@ -18,16 +18,12 @@ isa-$(CONFIG_CPU_SH4)			:= sh4
 isa-$(CONFIG_CPU_SH4A)                  := sh4a
 isa-$(CONFIG_CPU_SH4AL_DSP)             := sh4al
 isa-$(CONFIG_CPU_SH5)                   := shmedia
-isa-$(CONFIG_SH_DSP)                    := $(isa-y)-dsp
 
-ifndef CONFIG_SH_DSP
-ifndef CONFIG_SH_FPU
-isa-y                   := $(isa-y)-nofpu
-endif
+ifeq ($(CONFIG_SUPERH32),y)
+isa-$(CONFIG_SH_DSP)                    := $(isa-y)-dsp
+isa-y                                   := $(isa-y)-up
 endif
 
-isa-y                   := $(isa-y)-up
-
 cflags-$(CONFIG_CPU_SH2)                := $(call cc-option,-m2,)
 cflags-$(CONFIG_CPU_SH2A)               += $(call cc-option,-m2a,) \
                                            $(call cc-option,-m2a-nofpu,)
@@ -38,6 +34,22 @@ cflags-$(CONFIG_CPU_SH4A)		+= $(call cc-option,-m4a,) \
                                            $(call cc-option,-m4a-nofpu,)
 cflags-$(CONFIG_CPU_SH5)                := $(call cc-option,-m5-32media-nofpu,)
 
+ifeq ($(cflags-y),)
+#
+# In the case where we are stuck with a compiler that has been uselessly
+# restricted to a particular ISA, a favourite default of newer GCCs when
+# extensive multilib targets are not provided, ensure we get the best fit
+# regarding FP generation. This is necessary to avoid references to FP
+# variants in libgcc where integer variants exist, which otherwise result
+# in link errors. This is intentionally stupid (albeit many orders of
+# magnitude less than GCC's default behaviour), as anything with a large
+# number of multilib targets better have been built correctly for
+# the target in mind.
+#
+cflags-y        += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \
+                     grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//')
+endif
+
 cflags-$(CONFIG_CPU_BIG_ENDIAN)         += -mb
 cflags-$(CONFIG_CPU_LITTLE_ENDIAN)      += -ml
 
@@ -65,7 +77,8 @@ OBJCOPYFLAGS	:= -O binary -R .note -R .note.gnu.build-id -R .comment \
                    -R .stab -R .stabstr -S
 
 # Give the various platforms the opportunity to set default image types
-defaultimage-$(CONFIG_SUPERH32) := zImage
+defaultimage-$(CONFIG_SUPERH32)                 := zImage
+defaultimage-$(CONFIG_SH_SH7785LCR)             := uImage
 
 # Set some sensible Kbuild defaults
 KBUILD_DEFCONFIG        := shx3_defconfig