From 251814ebb35de3712e75b1b1b90d47eec1c568e4 Mon Sep 17 00:00:00 2001
From: Milan Bouchet-Valat <nalimilan@club.fr>
Date: Tue, 7 Jan 2014 21:38:10 +0100
Subject: [PATCH 1/3] Set SONAME

Inspired from what openspecfun does.
---
 Make.inc | 9 +++++----
 Makefile | 2 +-
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/Make.inc b/Make.inc
index 64cdc5b..22ed829 100644
--- a/Make.inc
+++ b/Make.inc
@@ -69,28 +69,29 @@ override OS=WINNT
 endif
 #keep these if statements these separate
 ifeq ($(OS), WINNT)
+SHLIB_EXT = dll
+SONAME_FLAG = -soname
 CFLAGS_add+=-nodefaultlibs
 FFLAGS+=-nodefaultlibs
 endif
 
 ifeq ($(OS), Linux)
 SHLIB_EXT = so
+SONAME_FLAG = -soname
 CFLAGS_add+=-fPIC
 FFLAGS+=-fPIC
 endif
 
 ifeq ($(OS), FreeBSD)
 SHLIB_EXT = so
+SONAME_FLAG = -soname
 CFLAGS_add+=-fPIC
 FFLAGS+=-fPIC
 endif
 
 ifeq ($(OS), Darwin)
 SHLIB_EXT = dylib
+SONAME_FLAG = -install_name
 CFLAGS_add+=-fPIC
 FFLAGS+=-fPIC
 endif
-
-ifeq ($(OS), WINNT)
-SHLIB_EXT = dll
-endif
diff --git a/Makefile b/Makefile
index 0db517b..4268453 100644
--- a/Makefile
+++ b/Makefile
@@ -26,7 +26,7 @@ all: libopenlibm.a libopenlibm.$(SHLIB_EXT)
 libopenlibm.a: $(OBJS)  
 	$(AR) -rcs libopenlibm.a $(OBJS)
 libopenlibm.$(SHLIB_EXT): $(OBJS)
-	$(FC) -shared $(OBJS) $(LDFLAGS) -o libopenlibm.$(SHLIB_EXT).$(VERSION)
+	$(FC) -shared $(OBJS) $(LDFLAGS) -Wl,$(SONAME_FLAG),libopenlibm.$(SHLIB_EXT).$(VERSION) -o libopenlibm.$(SHLIB_EXT).$(VERSION)
 	ln -s libopenlibm.$(SHLIB_EXT).$(VERSION) libopenlibm.$(SHLIB_EXT).$(word 1,$(VERSION_SPLIT)).$(word 2,$(VERSION_SPLIT))
 	ln -s libopenlibm.$(SHLIB_EXT).$(VERSION) libopenlibm.$(SHLIB_EXT).$(word 1,$(VERSION_SPLIT))
 	ln -s libopenlibm.$(SHLIB_EXT).$(VERSION) libopenlibm.$(SHLIB_EXT)

From bb40f6c7a8e4f24dbbddde7a3d302a540bec252a Mon Sep 17 00:00:00 2001
From: Milan Bouchet-Valat <nalimilan@club.fr>
Date: Tue, 7 Jan 2014 21:54:15 +0100
Subject: [PATCH 2/3] Change PREFIX and LIBDIR to lowercase

This is the standard name.
---
 Make.inc | 4 ++--
 Makefile | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/Make.inc b/Make.inc
index 22ed829..4438f8d 100644
--- a/Make.inc
+++ b/Make.inc
@@ -4,8 +4,8 @@ OS := $(shell uname)
 VERSION = 0.1.0
 VERSION_SPLIT = $(subst ., , $(VERSION))
 DESTDIR =
-PREFIX = /usr/local
-libdir = $(PREFIX)/lib
+prefix = /usr/local
+libdir = $(prefix)/lib
 
 FC = gfortran
 FFLAGS += -O3
diff --git a/Makefile b/Makefile
index 4268453..fa1ae4e 100644
--- a/Makefile
+++ b/Makefile
@@ -43,6 +43,6 @@ distclean:
 
 install: all
 	mkdir -p $(DESTDIR)$(libdir)
-	mkdir -p $(DESTDIR)$(PREFIX)/include
+	mkdir -p $(DESTDIR)$(prefix)/include
 	cp -a libopenlibm.$(SHLIB_EXT)* libopenlibm.a $(DESTDIR)$(libdir)/
-	cp -a src/openlibm.h $(DESTDIR)$(PREFIX)/include/
+	cp -a src/openlibm.h $(DESTDIR)$(prefix)/include/

From b46257839352fcd56f17009a006cd34fbbcd730b Mon Sep 17 00:00:00 2001
From: Milan Bouchet-Valat <nalimilan@club.fr>
Date: Tue, 7 Jan 2014 21:57:50 +0100
Subject: [PATCH 3/3] Use $(includedir) instead of hardcoding $(prefix)/include

---
 Make.inc | 1 +
 Makefile | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/Make.inc b/Make.inc
index 4438f8d..6b99266 100644
--- a/Make.inc
+++ b/Make.inc
@@ -6,6 +6,7 @@ VERSION_SPLIT = $(subst ., , $(VERSION))
 DESTDIR =
 prefix = /usr/local
 libdir = $(prefix)/lib
+includedir = $(prefix)/include
 
 FC = gfortran
 FFLAGS += -O3
diff --git a/Makefile b/Makefile
index fa1ae4e..26c8bd5 100644
--- a/Makefile
+++ b/Makefile
@@ -43,6 +43,6 @@ distclean:
 
 install: all
 	mkdir -p $(DESTDIR)$(libdir)
-	mkdir -p $(DESTDIR)$(prefix)/include
+	mkdir -p $(DESTDIR)$(includedir)
 	cp -a libopenlibm.$(SHLIB_EXT)* libopenlibm.a $(DESTDIR)$(libdir)/
-	cp -a src/openlibm.h $(DESTDIR)$(prefix)/include/
+	cp -a src/openlibm.h $(DESTDIR)$(includedir)/