Change in coreboot[master]: buildgcc: Fix up cross GCC building

[Nico Huber (Code Review)]

Nico Huber has uploaded this change for review. ( https://review.coreboot.org/21307

Change subject: buildgcc: Fix up cross GCC building
......................................................................

buildgcc: Fix up cross GCC building

Add a missing line-break escape and, rather cosmetic, guard execution of
$CXX which we allow but don't force to be set.

Change-Id: Icf6d3b7de4b7999b8214489f28997964c490d1e9
Signed-off-by: Nico Huber 
---
M util/crossgcc/buildgcc
1 file changed, 2 insertions(+), 2 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/07/21307/1

diff --git a/util/crossgcc/buildgcc b/util/crossgcc/buildgcc
index dcfb9a6..07aaf68 100755
--- a/util/crossgcc/buildgcc
+++ b/util/crossgcc/buildgcc
@@ -659,7 +659,7 @@
    # Work around crazy code generator in GCC that confuses CLANG.
    $CC --version | grep clang >/dev/null 2>&1 && \
    	CLANGFLAGS="-fbracket-depth=1024"
-	$CXX --version | grep clang >/dev/null 2>&1 && \
+	[ -n "$CXX" ] && $CXX --version | grep clang >/dev/null 2>&1 && \
    	CLANGCXXFLAGS="-fbracket-depth=1024"

# GCC does not honor HOSTCFLAGS at all. CFLAGS are used for
@@ -670,7 +670,7 @@
    # Also set the CXX version of the flags because GCC is now compiled
    # using C++.
    CC="$(hostcc target)" CXX="$(hostcxx target)" \
-		CFLAGS_FOR_TARGET="-O2 -Dinhibit_libc"
+		CFLAGS_FOR_TARGET="-O2 -Dinhibit_libc" \
    	CFLAGS="$HOSTCFLAGS $CLANGFLAGS" \
    	CFLAGS_FOR_BUILD="$HOSTCFLAGS $CLANGFLAGS" \
    	CXXFLAGS="$HOSTCFLAGS $CLANGCXXFLAGS" \