Makefile: Only call gtk-update-icon-cache if available

1 files changed, 3 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 099bf5e..8a12cfc 100644
--- a/Makefile
+++ b/Makefile
@@ -80,7 +80,9 @@ install-icon:
 	@echo installing icon to ${scalable_icon_dir}
 	@mkdir -p ${scalable_icon_dir}
 	@cp share/images/feh.svg ${scalable_icon_dir}
-	@gtk-update-icon-cache ${icon_dir}
+	@if which gtk-update-icon-cache > /dev/null 2>&1; then \
+		gtk-update-icon-cache ${icon_dir}; \
+	fi
 
 install-examples:
 	@echo installing examples to ${example_dir}