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Subject[PATCH] MIPS: Use "grep -E" instead of "egrep"
Date
The latest version of grep claims the egrep is now obsolete so the build
now contains warnings that look like:
egrep: warning: egrep is obsolescent; using grep -E
fix this up by moving the related file to use "grep -E" instead.

Here are the steps to install the latest grep:

wget http://ftp.gnu.org/gnu/grep/grep-3.8.tar.gz
tar xf grep-3.8.tar.gz
cd grep-3.8 && ./configure && make
sudo make install
export PATH=/usr/local/bin:$PATH

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
---
arch/mips/Makefile | 2 +-
arch/mips/vdso/Makefile | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index b296e33..490dea0 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -318,7 +318,7 @@ KBUILD_LDFLAGS += -m $(ld-emul)

ifdef CONFIG_MIPS
CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
- egrep -vw '__GNUC_(MINOR_|PATCHLEVEL_)?_' | \
+ grep -E -vw '__GNUC_(MINOR_|PATCHLEVEL_)?_' | \
sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g')
endif

diff --git a/arch/mips/vdso/Makefile b/arch/mips/vdso/Makefile
index f72658b..1f7d5c6 100644
--- a/arch/mips/vdso/Makefile
+++ b/arch/mips/vdso/Makefile
@@ -71,7 +71,7 @@ KCOV_INSTRUMENT := n

# Check that we don't have PIC 'jalr t9' calls left
quiet_cmd_vdso_mips_check = VDSOCHK $@
- cmd_vdso_mips_check = if $(OBJDUMP) --disassemble $@ | egrep -h "jalr.*t9" > /dev/null; \
+ cmd_vdso_mips_check = if $(OBJDUMP) --disassemble $@ | grep -E -h "jalr.*t9" > /dev/null; \
then (echo >&2 "$@: PIC 'jalr t9' calls are not supported"; \
rm -f $@; /bin/false); fi

--
2.1.0
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