[PATCH] build: fix sed usage in build process

[Roger Pau Monne <roger.pau@citrix.com>]

FreeBSD sed is not able to correctly parse the script
'/[0-9]/{s,00*,0,g;p}', so break it into two smaller scripts which
FreeBSD (and Linux) sed is able to parse.

Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Cc: Jan Beulich <jbeulich@suse.com>
Cc: Keir Fraser <keir@xen.org>
---
 xen/Rules.mk                 |    2 +-
 xen/arch/x86/boot/build32.mk |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/xen/Rules.mk b/xen/Rules.mk
index 3a6cec5..9d5223b 100644
--- a/xen/Rules.mk
+++ b/xen/Rules.mk
@@ -171,7 +171,7 @@ SPECIAL_DATA_SECTIONS := rodata $(foreach n,1 2 4 8,rodata.str1.$(n)) \
 			 $(foreach r,rel rel.ro,data.$(r) data.$(r).local)
 
 $(filter %.init.o,$(obj-y) $(obj-bin-y) $(extra-y)): %.init.o: %.o Makefile
-	$(OBJDUMP) -h $< | sed -n '/[0-9]/{s,00*,0,g;p}' | while read idx name sz rest; do \
+	$(OBJDUMP) -h $< | sed -re 's/0+/0/g' -ne '/[0-9]/p' | while read idx name sz rest; do \
 		case "$$name" in \
 		.text|.text.*|.data|.data.*|.bss) \
 			test $$sz != 0 || continue; \
diff --git a/xen/arch/x86/boot/build32.mk b/xen/arch/x86/boot/build32.mk
index a2d4b34..c5a8890 100644
--- a/xen/arch/x86/boot/build32.mk
+++ b/xen/arch/x86/boot/build32.mk
@@ -20,7 +20,7 @@ CFLAGS := $(filter-out -flto,$(CFLAGS))
 
 %.o: %.c
 	$(CC) $(CFLAGS) -c -fpic $< -o $@
-	$(OBJDUMP) -h $@ | sed -n '/[0-9]/{s,00*,0,g;p}' |\
+	$(OBJDUMP) -h $@ | sed -re 's/0+/0/g' -ne '/[0-9]/p' |\
 		while read idx name sz rest; do \
 			case "$$name" in \
 			.data|.data.*|.rodata|.rodata.*|.bss|.bss.*) \
-- 
1.7.7.5 (Apple Git-26)


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