move cflags default setting to target makefiles

SVN-Revision: 14866

diff --git a/include/target.mk b/include/target.mk
index ace3db0ffde3e9bde5ce7504320ee1f78ac4aa05..5d8baeaeb60d8566ae57cabb422e303f727e4f65 100644 (file)
--- a/include/target.mk
+++ b/include/target.mk
@@ -150,6 +150,13 @@ ifeq ($(DUMP),1)
     # remove duplicates
     FEATURES:=$(sort $(FEATURES))
   endif
+  DEFAULT_CFLAGS_i386=-O2 -pipe -march=i486 -funit-at-a-time
+  DEFAULT_CFLAGS_x86_64=-O2 -pipe -march=athlon64 -funit-at-a-time
+  DEFAULT_CFLAGS_mips=-Os -pipe -mips32 -mtune=mips32 -funit-at-a-time
+  DEFAULT_CFLAGS_mipsel=$(DEFAULT_CFLAGS_mips)
+  DEFAULT_CFLAGS_arm=-Os -pipe -march=armv5te -mtune=xscale -funit-at-a-time
+  DEFAULT_CFLAGS_armeb=$(DEFAULT_CFLAGS_arm)
+  DEFAULT_CFLAGS=$(if $(DEFAULT_CFLAGS_$(ARCH)),$(DEFAULT_CFLAGS_$(ARCH)),-Os -pipe -funit-at-a-time)
 endif
 
 define BuildTargets/DumpCurrent
@@ -163,6 +170,7 @@ define BuildTargets/DumpCurrent
         echo 'Target-Arch: $(ARCH)'; \
         echo 'Target-Features: $(FEATURES)'; \
         echo 'Target-Depends: $(DEPENDS)'; \
+        echo 'Target-Optimization: $(if $(CFLAGS),$(CFLAGS),$(DEFAULT_CFLAGS))'; \
         echo 'Linux-Version: $(LINUX_VERSION)'; \
         echo 'Linux-Release: $(LINUX_RELEASE)'; \
         echo 'Linux-Kernel-Arch: $(LINUX_KARCH)'; \

diff --git a/rules.mk b/rules.mk
index 96ae8d57f7a8da682c384db44e3ef8f33a4d507d..dad7456a6b88bd49d4fd44813586f38563914819 100644 (file)
--- a/rules.mk
+++ b/rules.mk
@@ -29,6 +29,7 @@ confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
 strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
 
 _SINGLE=export MAKEFLAGS=$(space);
+CFLAGS:=
 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))

diff --git a/scripts/metadata.pl b/scripts/metadata.pl
index 7496f33a7d6723e1ca3080a7ec7ec7c3fd426f1f..40025590077b3f994682413804262603072f0669 100755 (executable)
--- a/scripts/metadata.pl
+++ b/scripts/metadata.pl
@@ -52,6 +52,7 @@ sub parse_target_metadata() {
                /^Target-Features:\s*(.+)\s*$/ and $target->{features} = [ split(/\s+/, $1) ];
                /^Target-Depends:\s*(.+)\s*$/ and $target->{depends} = [ split(/\s+/, $1) ];
                /^Target-Description:/ and $target->{desc} = get_multiline(*FILE);
+               /^Target-Optimization:\s*(.+)\s*$/ and $target->{cflags} = $1;
                /^Linux-Version:\s*(.+)\s*$/ and $target->{version} = $1;
                /^Linux-Release:\s*(.+)\s*$/ and $target->{release} = $1;
                /^Linux-Kernel-Arch:\s*(.+)\s*$/ and $target->{karch} = $1;
@@ -325,6 +326,16 @@ EOF
        foreach my $target (@target) {
                $target->{subtarget} or print "\t\tdefault \"".$target->{board}."\" if TARGET_".$target->{conf}."\n";
        }
+       print <<EOF;
+
+config DEFAULT_TARGET_OPTIMIZATION
+       string
+EOF
+       foreach my $target (@target) {
+               next if @{$target->{subtargets}} > 0;
+               print "\tdefault \"".$target->{cflags}."\" if TARGET_".$target->{conf}."\n";
+       }
+       print "\tdefault \"-Os -pipe -funit-at-a-time\"\n";
 
        my %kver;
        foreach my $target (@target) {
@@ -332,8 +343,10 @@ EOF
                next if $kver{$v};
                $kver{$v} = 1;
                print <<EOF;
+
 config LINUX_$v
        bool
+
 EOF
        }
        foreach my $def (sort keys %defaults) {

diff --git a/target/linux/ar71xx/Makefile b/target/linux/ar71xx/Makefile
index 948c4615cf411e6f6b1753ada4683512ba50f532..07792ffdd43e3f7560ea33a1f93da038a5442fe9 100644 (file)
--- a/target/linux/ar71xx/Makefile
+++ b/target/linux/ar71xx/Makefile
@@ -10,6 +10,7 @@ ARCH:=mips
 BOARD:=ar71xx
 BOARDNAME:=Atheros AR71xx/AR913x
 FEATURES:=squashfs tgz
+CFLAGS:=-Os -pipe -mips32r2 -mtune=mips32r2 -funit-at-a-time
 
 LINUX_VERSION:=2.6.28.7
 

diff --git a/target/linux/storm/Makefile b/target/linux/storm/Makefile
index abd6b0cc384b054f37f14735b1bfcdeed6ddc397..6138feb23639470e37038987aa94c0bc93f19b41 100644 (file)
--- a/target/linux/storm/Makefile
+++ b/target/linux/storm/Makefile
@@ -10,6 +10,7 @@ ARCH:=arm
 BOARD:=storm
 BOARDNAME:=Storm SL3512
 FEATURES:=squashfs pci broken
+CFLAGS:=-Os -pipe -march=armv4 -mtune=arm9tdmi -funit-at-a-time
 
 LINUX_VERSION:=2.6.23.17
 

diff --git a/toolchain/Config.in b/toolchain/Config.in
index ab684bb578783ab5ca6911e2cbd8d8fc42e37698..479e6dcaf70826e7985e3ae852d4047d1c43635c 100644 (file)
--- a/toolchain/Config.in
+++ b/toolchain/Config.in
@@ -104,16 +104,7 @@ config SOFT_FLOAT
 config TARGET_OPTIMIZATION
        string
        prompt "Target Optimizations" if TOOLCHAINOPTS
-       default "-O2 -pipe -march=i686 -funit-at-a-time" if TARGET_x86_mediacenter
-       default "-O2 -pipe -march=i486 -funit-at-a-time" if TARGET_x86
-       default "-Os -pipe -march=i486 -funit-at-a-time" if TARGET_rdc
-       default "-Os -pipe -march=i486 -funit-at-a-time" if TARGET_uml && i386
-       default "-Os -pipe -march=athlon64 -funit-at-a-time" if TARGET_uml && x86_64
-       default "-Os -pipe -mips32r2 -mtune=mips32r2 -funit-at-a-time" if TARGET_ar71xx
-       default "-Os -pipe -mips32 -mtune=mips32 -funit-at-a-time" if mipsel || mips
-       default "-Os -pipe -march=armv5te -mtune=xscale -funit-at-a-time" if TARGET_ixp4xx || TARGET_iop32x || TARGET_pxa || TARGET_orion
-       default "-Os -pipe -march=armv4 -mtune=arm9tdmi -funit-at-a-time" if TARGET_storm
-       default "-Os -pipe -funit-at-a-time"
+       default DEFAULT_TARGET_OPTIMIZATION
        help
          Optimizations to use when building for the target host.