refactor makefile with env variables

per ajacoutot's reccomendation

diff --git a/Makefile b/Makefile
index 048bcf238065a0f47a6bb5343019ba690928223f..de3ba75521b68eb1829d19dad77681e91c1ecba4 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,58 +1,68 @@
 .PHONY: all
 
-CFLAGS=-Wall -Wextra -Werror -std=c89 
+CC=/usr/bin/cc
+CFLAGS=-Wall -Wextra -Werror -std=c89
 DEBUGF=-O0 -g
-SRCDIR=src
-INTFDIR=$(SRCDIR)/interfaces
-SANITY=-Wno-unused-variable -Wno-unused-parameter # -Wno-comment
+
 LINKGN=bin/obj/hostnamed-gen.o bin/obj/localed-gen.o bin/obj/timedated-gen.o bin/obj/logind-gen.o
 LINKHN=bin/systemd-hostnamed bin/systemd-localed bin/systemd-timedated bin/systemd-logind
 
 GLIBEF=`pkg-config --cflags --libs glib-2.0 gobject-2.0 gio-2.0 gio-unix-2.0`
 GLIBOF=`pkg-config --cflags        glib-2.0 gobject-2.0 gio-2.0 gio-unix-2.0`
 
+SANITY=-Wno-unused-variable -Wno-unused-parameter # -Wno-comment
+
+PREFIX=/usr/local
+SYSCONFDIR=/etc
+SRCDIR=src
+INTFDIR=$(SRCDIR)/interfaces
+
+DBUS_POLICYDIR=$(SYSCONFDIR)/dbus-1/systemd.d
+DBUS_CONFIGDIR=$(PREFIX)/share/dbus-1/system-services
+
 all: build
 
-build: _build_interface_objs_debug
-       gcc -o bin/out.bin $(DEBUGF) $(GLIBEF) $(SANITY) $(SRCDIR)/main.c
+build: _build_interface_objs_debug 
+       $(CC) -o bin/out.bin $(DEBUGF) $(GLIBEF) $(SANITY) $(SRCDIR)/main.c
 
-publish: _build_interface_objs
-       gcc -o bin/out.bin $(CFLAGS) $(GLIBEF) $(SANITY) $(SRCDIR)/main.c
+publish: _build_interface_objs 
+       $(CC) -o bin/out.bin $(CFLAGS) $(GLIBEF) $(SANITY) $(SRCDIR)/main.c
 
 clean:
        rm bin/*
+       rm bin/obj/*
 
 install: _install_conf _install_interface_binaries
 
 _build_interface_objs: _build_genfile_objs
-       gcc -o bin/systemd-hostnamed $(CFLAGS) $(GLIBEF) $(SANITY) $(INTFDIR)/hostnamed/hostnamed.c bin/obj/hostnamed-gen.o 
-       gcc -o bin/systemd-localed   $(CFLAGS) $(GLIBEF) $(SANITY) $(INTFDIR)/localed/localed.c     bin/obj/localed-gen.o
-       gcc -o bin/systemd-timedated $(CFLAGS) $(GLIBEF) $(SANITY) $(INTFDIR)/timedated/timedated.c bin/obj/timedated-gen.o
-       gcc -o bin/systemd-logind    $(CFLAGS) $(GLIBEF) $(SANITY) $(INTFDIR)/logind/logind.c       bin/obj/logind-gen.o
+       $(CC) -o bin/systemd-hostnamed $(CFLAGS) $(GLIBEF) $(SANITY) $(INTFDIR)/hostnamed/hostnamed.c bin/obj/hostnamed-gen.o 
+       $(CC) -o bin/systemd-localed   $(CFLAGS) $(GLIBEF) $(SANITY) $(INTFDIR)/localed/localed.c     bin/obj/localed-gen.o
+       $(CC) -o bin/systemd-timedated $(CFLAGS) $(GLIBEF) $(SANITY) $(INTFDIR)/timedated/timedated.c bin/obj/timedated-gen.o
+       $(CC) -o bin/systemd-logind    $(CFLAGS) $(GLIBEF) $(SANITY) $(INTFDIR)/logind/logind.c       bin/obj/logind-gen.o
 
 _build_interface_objs_debug: _build_genfile_objs_debug
-       gcc -o bin/systemd-hostnamed $(DEBUGF) $(GLIBEF) $(SANITY) $(INTFDIR)/hostnamed/hostnamed.c bin/obj/hostnamed-gen.o  
-       gcc -o bin/systemd-localed   $(DEBUGF) $(GLIBEF) $(SANITY) $(INTFDIR)/localed/localed.c     bin/obj/localed-gen.o
-       gcc -o bin/systemd-timedated $(DEBUGF) $(GLIBEF) $(SANITY) $(INTFDIR)/timedated/timedated.c bin/obj/timedated-gen.o
-       gcc -o bin/systemd-logind    $(DEBUGF) $(GLIBEF) $(SANITY) $(INTFDIR)/logind/logind.c       bin/obj/logind-gen.o
+       $(CC) -o bin/systemd-hostnamed $(DEBUGF) $(GLIBEF) $(SANITY) $(INTFDIR)/hostnamed/hostnamed.c bin/obj/hostnamed-gen.o  
+       $(CC) -o bin/systemd-localed   $(DEBUGF) $(GLIBEF) $(SANITY) $(INTFDIR)/localed/localed.c     bin/obj/localed-gen.o
+       $(CC) -o bin/systemd-timedated $(DEBUGF) $(GLIBEF) $(SANITY) $(INTFDIR)/timedated/timedated.c bin/obj/timedated-gen.o
+       $(CC) -o bin/systemd-logind    $(DEBUGF) $(GLIBEF) $(SANITY) $(INTFDIR)/logind/logind.c       bin/obj/logind-gen.o
 
 _build_genfile_objs:
-       gcc -o bin/obj/hostnamed-gen.o $(CFLAGS) $(GLIBOF) $(SANITY) -c $(INTFDIR)/hostnamed/hostnamed-gen.c
-       gcc -o bin/obj/localed-gen.o   $(CFLAGS) $(GLIBOF) $(SANITY) -c $(INTFDIR)/localed/localed-gen.c
-       gcc -o bin/obj/timedated-gen.o $(CFLAGS) $(GLIBOF) $(SANITY) -c $(INTFDIR)/timedated/timedated-gen.c
-       gcc -o bin/obj/logind-gen.o    $(CFLAGS) $(GLIBOF) $(SANITY) -c $(INTFDIR)/logind/logind-gen.c
+       $(CC) -o bin/obj/hostnamed-gen.o $(CFLAGS) $(GLIBOF) $(SANITY) -c $(INTFDIR)/hostnamed/hostnamed-gen.c
+       $(CC) -o bin/obj/localed-gen.o   $(CFLAGS) $(GLIBOF) $(SANITY) -c $(INTFDIR)/localed/localed-gen.c
+       $(CC) -o bin/obj/timedated-gen.o $(CFLAGS) $(GLIBOF) $(SANITY) -c $(INTFDIR)/timedated/timedated-gen.c
+       $(CC) -o bin/obj/logind-gen.o    $(CFLAGS) $(GLIBOF) $(SANITY) -c $(INTFDIR)/logind/logind-gen.c
 
 _build_genfile_objs_debug:
-       gcc -o bin/obj/hostnamed-gen.o $(DEBUGF) $(GLIBOF) $(SANITY) -c $(INTFDIR)/hostnamed/hostnamed-gen.c
-       gcc -o bin/obj/localed-gen.o   $(DEBUGF) $(GLIBOF) $(SANITY) -c $(INTFDIR)/localed/localed-gen.c
-       gcc -o bin/obj/timedated-gen.o $(DEBUGF) $(GLIBOF) $(SANITY) -c $(INTFDIR)/timedated/timedated-gen.c
-       gcc -o bin/obj/logind-gen.o    $(DEBUGF) $(GLIBOF) $(SANITY) -c $(INTFDIR)/logind/logind-gen.c
+       $(CC) -o bin/obj/hostnamed-gen.o $(DEBUGF) $(GLIBOF) $(SANITY) -c $(INTFDIR)/hostnamed/hostnamed-gen.c
+       $(CC) -o bin/obj/localed-gen.o   $(DEBUGF) $(GLIBOF) $(SANITY) -c $(INTFDIR)/localed/localed-gen.c
+       $(CC) -o bin/obj/timedated-gen.o $(DEBUGF) $(GLIBOF) $(SANITY) -c $(INTFDIR)/timedated/timedated-gen.c
+       $(CC) -o bin/obj/logind-gen.o    $(DEBUGF) $(GLIBOF) $(SANITY) -c $(INTFDIR)/logind/logind-gen.c
 
 _install_conf:
-       cp conf/*-dbus.conf               /etc/dbus-1/system.d/
-       cp conf/systemd_compat.conf       /etc/
-       cp conf/org.freedesktop.*.service /usr/local/share/dbus-1/system-services/
+       cp conf/*-dbus.conf               $(DBUS_POLICYDIR)/
+       cp conf/org.freedesktop.*.service $(DBUS_CONFIGDIR)/
+       cp conf/systemd_compat.conf       $(SYSCONFDIR)/
 
 _install_interface_binaries: $(LINKHN)
-       mkdir /usr/local/bin/systemd-compat
-       cp bin/systemd-* /usr/local/bin/systemd-compat/
+       mkdir $(PREFIX)/bin/systemd-compat
+       cp bin/systemd-* $(PREFIX)/bin/systemd-compat/