From 8aec5be2449116653cfdf4aa1391f63cb6f4ca57 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gr=C3=A9gory=20Soutad=C3=A9?= <soutade@gmail.com>
Date: Sun, 8 Jan 2023 21:05:04 +0100
Subject: [PATCH] Update Makefile to be more GNU/Linux style

---
 Makefile       | 35 ++++++++++++++++++++++++++++++-----
 utils/Makefile | 12 +++++++++++-
 2 files changed, 41 insertions(+), 6 deletions(-)

diff --git a/Makefile b/Makefile
index d05d86d..a962ba7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,21 +1,30 @@
 AR ?= $(CROSS)ar
 CXX ?= $(CROSS)g++
 
+ifeq ($(PREFIX),)
+    PREFIX := /usr/local
+endif
+
 UPDFPARSERLIB = ./lib/updfparser/libupdfparser.a
 
-CXXFLAGS=-Wall -fPIC -I./include -I./lib/pugixml/src/ -I./lib/updfparser/include
+CXXFLAGS += -Wall -fPIC -I./include -I./lib/pugixml/src/ -I./lib/updfparser/include
 LDFLAGS = $(UPDFPARSERLIB)
 
+VERSION     := $(shell cat include/libgourou.h |grep LIBGOUROU_VERSION|cut -d '"' -f2)
+
 BUILD_STATIC ?= 0
 BUILD_SHARED ?= 1
 BUILD_UTILS  ?= 1
 
 TARGETS =
+TARGET_BINARIES =
 ifneq ($(BUILD_STATIC), 0)
   TARGETS += libgourou.a
+  TARGET_BINARIES += libgourou.a
 endif
 ifneq ($(BUILD_SHARED), 0)
   TARGETS += libgourou.so
+  TARGET_BINARIES += libgourou.so libgourou.so.$(VERSION)
 endif
 ifneq ($(BUILD_UTILS), 0)
   TARGETS += build_utils
@@ -42,7 +51,10 @@ OBJEXT      := o
 SOURCES      = src/libgourou.cpp src/user.cpp src/device.cpp src/fulfillment_item.cpp src/loan_token.cpp src/bytearray.cpp src/pugixml.cpp
 OBJECTS     := $(patsubst $(SRCDIR)/%,$(BUILDDIR)/%,$(SOURCES:.$(SRCEXT)=.$(OBJEXT)))
 
-all: lib obj $(TARGETS)
+all: version lib obj $(TARGETS)
+
+version:
+	@echo "Building libgourou $(VERSION)"
 
 lib:
 	mkdir lib
@@ -63,13 +75,26 @@ libgourou.a: $(OBJECTS) $(UPDFPARSERLIB)
 	$(AR) crs $@ obj/*.o  $(UPDFPARSERLIB)
 
 libgourou.so: $(OBJECTS) $(UPDFPARSERLIB)
-	$(CXX) obj/*.o $(LDFLAGS) -o $@ -shared
+	$(CXX) obj/*.o -Wl,-soname,$@.$(VERSION) $(LDFLAGS) -o $@.$(VERSION) -shared
+	rm -f $@
+	ln -s $@.$(VERSION) $@
 
 build_utils:
-	make -C utils ROOT=$(PWD) CXX=$(CXX) AR=$(AR) DEBUG=$(DEBUG) STATIC_UTILS=$(STATIC_UTILS)
+	make -C utils ROOT=$(PWD) CXX=$(CXX) AR=$(AR) DEBUG=$(DEBUG) STATIC_UTILS=$(STATIC_UTILS) DEST_DIR=$(DEST_DIR) PREFIX=$(PREFIX)
+
+install:
+	install -d $(DESTDIR)$(PREFIX)/lib/
+# Use cp to preserver symlinks
+	cp --no-dereference $(TARGET_BINARIES) $(DESTDIR)$(PREFIX)/lib/
+	make -C utils ROOT=$(PWD) CXX=$(CXX) AR=$(AR) DEBUG=$(DEBUG) STATIC_UTILS=$(STATIC_UTILS) DEST_DIR=$(DEST_DIR) PREFIX=$(PREFIX) install
+
+uninstall:
+	cd $(DESTDIR)$(PREFIX)/lib/
+	rm -f $(TARGET_BINARIES) libgourou.so.$(VERSION)
+	cd -
 
 clean:
-	rm -rf libgourou.a libgourou.so obj
+	rm -rf libgourou.a libgourou.so libgourou.so.$(VERSION)* obj
 	make -C utils clean
 
 ultraclean: clean
diff --git a/utils/Makefile b/utils/Makefile
index f279fdc..aa84e38 100644
--- a/utils/Makefile
+++ b/utils/Makefile
@@ -1,5 +1,6 @@
 
-TARGETS=acsmdownloader adept_activate adept_remove adept_loan_mgt launcher
+TARGET_BINARIES=acsmdownloader adept_activate adept_remove adept_loan_mgt
+TARGETS=$(TARGET_BINARIES) launcher
 
 CXXFLAGS=-Wall -fPIC -I$(ROOT)/include -I$(ROOT)/lib/pugixml/src/
 
@@ -32,6 +33,15 @@ ${COMMON_LIB}: ${COMMON_DEPS} ${STATIC_DEP}
 %: %.cpp ${COMMON_LIB}
 	$(CXX) $(CXXFLAGS) $^ $(LDFLAGS) -o $@
 
+install:
+	install -d $(DESTDIR)$(PREFIX)/bin/
+	install -m 644 $(TARGET_BINARIES) $(DESTDIR)$(PREFIX)/bin/
+
+uninstall:
+	cd $(DESTDIR)$(PREFIX)/bin/
+	rm -f $(TARGET_BINARIES)
+	cd -
+
 clean:
 	rm -f $(TARGETS) $(COMMON_LIB)