build: fix warnings from grep

Fixes build warnings when using newer versions of grep.

Signed-off-by: Chris Osgood <[email protected]>
Tested-by: Georgi Valkov <[email protected]>
(cherry picked from commit c5e167e0d6075c46ca92c30b425c4dcb05fec5ed)
[ fix conflict error ]
Signed-off-by: Christian Marangi <[email protected]>

diff --git a/target/sdk/files/Makefile b/target/sdk/files/Makefile
index a710ca5f5159fe9feab21da2acc47471d946f9d6..dcc0dcdf82cf7e10ae88db2aeee617a38fa44b0e 100644 (file)
--- a/target/sdk/files/Makefile
+++ b/target/sdk/files/Makefile
@@ -14,7 +14,7 @@ export TOPDIR LC_ALL LANG SDK
 
 world:
 
-DISTRO_PKG_CONFIG:=$(shell $(TOPDIR)/scripts/command_all.sh pkg-config | grep -E '\/usr' | head -n 1)
+DISTRO_PKG_CONFIG:=$(shell $(TOPDIR)/scripts/command_all.sh pkg-config | grep '/usr' | head -n 1)
 export PATH:=$(TOPDIR)/staging_dir/host/bin:$(PATH)
 
 ifneq ($(OPENWRT_BUILD),1)