Remove two perl calls with sed, and adds an alternative

for another two (using GNU date, and with limited impact if both
alternatives fail)

Those were the remaining perl calls in our build tree, so remove perl
from our dependency list in README.


Signed-off-by: Patrick Georgi <patrick.georgi@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5108 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

README

@@ -35,7 +35,6 @@ Build Requirements
  * gcc / g++
  * make
  * python
- * perl
 
 Optional:
 

src/arch/i386/Makefile.inc

@@ -83,9 +83,8 @@ $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc: $(src)/mainboard/$(MAINBOARDDIR)/
 
 else
 $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc: $(src)/mainboard/$(MAINBOARDDIR)/romstage.c $(OPTION_TABLE_H) $(obj)/build.h
-	$(CC) $(DISTRO_CFLAGS) $(CFLAGS) $(CPPFLAGS) $(DEBUG_CFLAGS) -I$(src) -I. -c -S $< -o $@
-	perl -e 's/\.rodata/.rom.data/g' -pi $@
-	perl -e 's/\.text/.section .rom.text/g' -pi $@
+	$(CC) $(DISTRO_CFLAGS) $(CFLAGS) $(CPPFLAGS) $(DEBUG_CFLAGS) -I$(src) -I. -c -S $< -o - | sed -e 's/\.rodata/.rom.data/g' -e 's/\.text/.section .rom.text/g' > $@.tmp
+	mv $@.tmp $@
 endif
 endif
 

util/abuild/abuild

@@ -216,7 +216,7 @@ function compile_target
 	test 0$cpus -gt 1 && printf "on %d cpus in parallel .. " $cpus
 
 	CURR=$( pwd )
-	stime=`perl -e 'print time();'`
+	stime=`perl -e 'print time();' 2>/dev/null || date +%s`
 	build_dir=$TARGET/${VENDOR}_${MAINBOARD}
 	eval $MAKE $silent -j $cpus obj=${build_dir} \
 		&> ${build_dir}/make.log
@@ -225,7 +225,7 @@ function compile_target
 	mv .xcompile ${build_dir}/xcompile.build
 	mv ..config.tmp ${build_dir}/config.deps
 	cd $TARGET/${VENDOR}_${MAINBOARD}
-	etime=`perl -e 'print time();'`
+	etime=`perl -e 'print time();' 2>/dev/null || date +%s`
 	duration=$(( $etime - $stime ))
 	if [ $ret -eq 0 ]; then
 		xml "  <compile>ok</compile>"