From aacda9eeb9dde1cbf385af6781ce982fc06dd675 Mon Sep 17 00:00:00 2001
From: Sebastian Riedel <git@basxto.de>
Date: Fri, 15 Dec 2017 01:20:10 +0100
Subject: [PATCH] Use changeable paths

---
 makefile | 42 +++++++++++++++++++++++-------------------
 1 file changed, 23 insertions(+), 19 deletions(-)

diff --git a/makefile b/makefile
index 54806db..85b6a14 100644
--- a/makefile
+++ b/makefile
@@ -1,34 +1,38 @@
 ICONSIZES := 16 24 32 48 64 72 96 128 256
 IMGMAGICK := $(shell command -v convert 2> /dev/null)
-XDGUTILS := $(shell command -v xdg-desktop-menu 2> /dev/null)
+DESTDIR := /
+PREFIX := /usr/local
 define \n
 
 
 endef
 
 install: GBM.exe $(foreach size,$(ICONSIZES),gbm_$(size)x$(size).png)
-ifndef XDGUTILS
-	$(error "xdg-desktop-menu is not available, please install xdg-utils")
-endif
 #rename it in a way, it can easily started from terminal
-	install gbm.sh /usr/local/bin/gbm;
-	install -d /usr/local/share/gbm;
-	install GBM.exe /usr/local/share/gbm/;
+	install -d $(DESTDIR)$(PREFIX)/bin;
+	install gbm.sh $(DESTDIR)$(PREFIX)/bin/gbm;
+	install -d $(DESTDIR)$(PREFIX)/share/gbm/;
+	install GBM.exe $(DESTDIR)$(PREFIX)/share/gbm/;
 #install icon in different sizes
-	$(foreach size,$(ICONSIZES),xdg-icon-resource install --mode system --novendor --noupdate --size $(size) gbm_$(size)x$(size).png gbm;$(\n))
-	xdg-icon-resource forceupdate --mode system;
+	$(foreach size,$(ICONSIZES),install -d $(DESTDIR)$(PREFIX)/share/icons/hicolor/$(size)x$(size)/apps/;$(\n))
+	$(foreach size,$(ICONSIZES),install -m644 gbm_$(size)x$(size).png $(DESTDIR)$(PREFIX)/share/icons/hicolor/$(size)x$(size)/apps/gbm.png;$(\n))
 #install .desktop file, which is used for running gbm from desktop and menus
-	xdg-desktop-menu install --mode system --novendor gbm.desktop;
-
-uninstall: /usr/local/bin/gbm
-ifndef XDGUTILS
-	$(error "xdg-desktop-menu is not available, please install xdg-utils")
+	install -d $(DESTDIR)$(PREFIX)/share/applications/
+	install -m644 gbm.desktop $(DESTDIR)$(PREFIX)/share/applications/gbm.desktop
+ifeq ($(DESTDIR),/)
+		-xdg-icon-resource forceupdate --mode system;
+		-xdg-desktop-menu forceupdate --mode system;
+endif
+
+uninstall: $(DESTDIR)$(PREFIX)/bin/gbm
+	-rm $(DESTDIR)$(PREFIX)/bin/gbm;
+	-rm -r $(DESTDIR)$(PREFIX)/share/gbm/;
+	$(foreach size,$(ICONSIZES),-rm $(DESTDIR)$(PREFIX)/share/icons/hicolor/$(size)x$(size)/apps/gbm.png;$(\n))
+	-rm $(DESTDIR)$(PREFIX)/share/applications/gbm.desktop
+ifeq ($(DESTDIR),/)
+		-xdg-icon-resource forceupdate --mode system;
+		-xdg-desktop-menu forceupdate --mode system;
 endif
-	rm /usr/local/bin/gbm;
-	rm -r /usr/local/share/gbm/;
-	$(foreach size,$(ICONSIZES),xdg-icon-resource uninstall --mode system --novendor --noupdate --size $(size) gbm;$(\n))
-	xdg-icon-resource forceupdate --mode system;
-	xdg-desktop-menu uninstall --mode system --novendor gbm.desktop;
 
 gbm_%.png: gbm.ico
 ifndef IMGMAGICK