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-rw-r--r--fltk-config.in2
1 files changed, 1 insertions, 1 deletions
diff --git a/fltk-config.in b/fltk-config.in
index 17c91a270..8ac758bde 100644
--- a/fltk-config.in
+++ b/fltk-config.in
@@ -95,7 +95,7 @@ if test -d $includedir/FL/images; then
fi
# Cairo support
-if test -n $CAIROFLAGS; then
+if test -n "$CAIROFLAGS"; then
CFLAGS="$CAIROFLAGS $CFLAGS"
CXXFLAGS="$CAIROFLAGS $CXXFLAGS"
fi