build: include the cpu type as part of the toolchain/target directory name

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 38214

include/target.mk

@@ -254,6 +254,7 @@ define BuildTargets/DumpCurrent
 	 echo 'Target-Features: $(FEATURES)'; \
 	 echo 'Target-Depends: $(DEPENDS)'; \
 	 echo 'Target-Optimization: $(if $(CFLAGS),$(CFLAGS),$(DEFAULT_CFLAGS))'; \
+	 echo 'CPU-Type: $(CPU_TYPE)$(if $(CPU_SUBTYPE),+$(CPU_SUBTYPE))'; \
 	 echo 'Linux-Version: $(LINUX_VERSION)'; \
 	 echo 'Linux-Release: $(LINUX_RELEASE)'; \
 	 echo 'Linux-Kernel-Arch: $(LINUX_KARCH)'; \

rules.mk

@@ -54,22 +54,15 @@ endif
 
 HOST_FPIC:=-fPIC
 
-ARCH_SUFFIX:=
+ARCH_SUFFIX:=$(call qstrip,$(CONFIG_CPU_TYPE))
 GCC_ARCH:=
 
+ifneq ($(ARCH_SUFFIX),)
+  ARCH_SUFFIX:=_$(ARCH_SUFFIX)
+endif
 ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),)
-  ARCH_SUFFIX:=_$(patsubst -march=arm%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
   GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
 endif
-ifneq ($(filter -mips%r2,$(TARGET_OPTIMIZATION)),)
-  ARCH_SUFFIX:=_r2
-endif
-ifneq ($(filter -mdsp,$(TARGET_OPTIMIZATION)),)
-  ARCH_SUFFIX:=$(ARCH_SUFFIX)_dsp
-endif
-ifneq ($(filter -mdspr2,$(TARGET_OPTIMIZATION)),)
-  ARCH_SUFFIX:=$(ARCH_SUFFIX)_dspr2
-endif
 ifdef CONFIG_HAS_SPE_FPU
   TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
 endif

scripts/metadata.pl

@@ -53,6 +53,7 @@ sub parse_target_metadata() {
 		/^Target-Depends:\s*(.+)\s*$/ and $target->{depends} = [ split(/\s+/, $1) ];
 		/^Target-Description:/ and $target->{desc} = get_multiline(*FILE);
 		/^Target-Optimization:\s*(.+)\s*$/ and $target->{cflags} = $1;
+		/^CPU-Type:\s*(.+)\s*$/ and $target->{cputype} = $1;
 		/^Linux-Version:\s*(.+)\s*$/ and $target->{version} = $1;
 		/^Linux-Release:\s*(.+)\s*$/ and $target->{release} = $1;
 		/^Linux-Kernel-Arch:\s*(.+)\s*$/ and $target->{karch} = $1;
@@ -372,6 +373,16 @@ EOF
 		print "\tdefault \"".$target->{cflags}."\" if TARGET_".$target->{conf}."\n";
 	}
 	print "\tdefault \"-Os -pipe -funit-at-a-time\"\n";
+	print <<EOF;
+
+config CPU_TYPE
+	string
+EOF
+	foreach my $target (@target) {
+		next if @{$target->{subtargets}} > 0;
+		print "\tdefault \"".$target->{cputype}."\" if TARGET_".$target->{conf}."\n";
+	}
+	print "\tdefault \"\"\n";
 
 	my %kver;
 	foreach my $target (@target) {