shithub: libvpx

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configure.sh fix for visual studio

-For targets with external build systems like visual
studio CC is not set so check_add_cflags will fail.
Only call this function if extra_cflags is set.

Change-Id: I3531bad69e9b6a59c5be1b0e8b6053ccccbc332c

--- a/build/make/configure.sh

+++ b/build/make/configure.sh

@@ -979,8 +979,10 @@

     fi

     # append any user defined extra cflags

-    check_add_cflags ${extra_cflags} || \

-    die "Requested extra CFLAGS '${extra_cflags}' not supported by compiler"

+    if [ -n "${extra_cflags}" ] ; then

+        check_add_cflags ${extra_cflags} || \

+        die "Requested extra CFLAGS '${extra_cflags}' not supported by compiler"

+    fi

 }

 process_toolchain() {