build: add config symbols for different ARM arch levels

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36620 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/include/target.mk b/include/target.mk
index 1075582..6774076 100644 (file)
--- a/include/target.mk
+++ b/include/target.mk
@@ -186,6 +186,7 @@ ifeq ($(DUMP),1)
     ifneq ($(CONFIG_RTC_CLASS),)
       FEATURES += rtc
     endif
+    FEATURES += $(foreach v,v4 v5 v6 v7,$(if $(findstring -march=arm$(v),$(CFLAGS)),arm_$(v)))
 
     # remove duplicates
     FEATURES:=$(sort $(FEATURES))

diff --git a/scripts/metadata.pl b/scripts/metadata.pl
index b0abd78..13abcb2 100755 (executable)
--- a/scripts/metadata.pl
+++ b/scripts/metadata.pl
@@ -153,6 +153,7 @@ sub target_config_features(@) {
        my $ret;
 
        while ($_ = shift @_) {
+               /arm_v(\w+)/ and $ret .= "\tselect arm_v$1\n";
                /broken/ and $ret .= "\tdepends on BROKEN\n";
                /audio/ and $ret .= "\tselect AUDIO_SUPPORT\n";
                /display/ and $ret .= "\tselect DISPLAY_SUPPORT\n";

diff --git a/target/Config.in b/target/Config.in
index 967149d..947e80c 100644 (file)
--- a/target/Config.in
+++ b/target/Config.in
@@ -82,6 +82,18 @@ config armeb
        select BIG_ENDIAN
        bool
 
+config arm_v4
+       bool
+
+config arm_v5
+       bool
+
+config arm_v6
+       bool
+
+config arm_v7
+       bool
+
 config avr32
        select BIG_ENDIAN
        bool