X-Git-Url: https://git.notmuchmail.org/git?a=blobdiff_plain;f=lib%2FMakefile.local;h=0e3a4d15540c547f5186b33836daa0c89aa55aaf;hb=40ea73cf052ad3f055174583d336a13682b074bd;hp=70489e17207b13c8dad862ff63221277cf65a191;hpb=0ea5f3fc0e0336921ba670a28201b59d2c977cfb;p=notmuch

diff --git a/lib/Makefile.local b/lib/Makefile.local
index 70489e17..0e3a4d15 100644
--- a/lib/Makefile.local
+++ b/lib/Makefile.local
@@ -1,5 +1,33 @@
-dir=lib
-extra_cflags += -I$(dir)
+# -*- makefile -*-
+
+# The major version of the library interface. This will control the soname.
+# As such, this number must be incremented for any incompatible change to
+# the library interface, (such as the deletion of an API or a major
+# semantic change that breaks formerly functioning code).
+#
+# Note: We don't currently have plans to increment this at this time.
+# If we *do* want to make an incompatible change to the library
+# interface, we'll have to decide whether to increment this (creating
+# a new soname) or to introduce symbol versioning to be able to
+# provide support for both old and new interfaces without having to
+# increment this.
+LIBNOTMUCH_VERSION_MAJOR = 1
+
+# The minor version of the library interface. This should be incremented at
+# the time of release for any additions to the library interface.
+LIBNOTMUCH_VERSION_MINOR = 0
+
+# The release version the library interface. This should be incremented at
+# the time of release if there have been no changes to the interface, (but
+# simply compatible changes to the implementation).
+LIBNOTMUCH_VERSION_RELEASE = 0
+
+LINKER_NAME = libnotmuch.so
+SONAME = $(LINKER_NAME).$(LIBNOTMUCH_VERSION_MAJOR)
+LIBNAME = $(SONAME).$(LIBNOTMUCH_VERSION_MINOR).$(LIBNOTMUCH_VERSION_RELEASE)
+
+dir := lib
+extra_cflags += -I$(dir) -fPIC
 
 libnotmuch_c_srcs =		\
 	$(dir)/libsha1.c	\
@@ -18,8 +46,28 @@ libnotmuch_cxx_srcs =		\
 	$(dir)/thread.cc
 
 libnotmuch_modules = $(libnotmuch_c_srcs:.c=.o) $(libnotmuch_cxx_srcs:.cc=.o)
-$(dir)/notmuch.a: $(libnotmuch_modules)
+
+$(dir)/libnotmuch.a: $(libnotmuch_modules)
 	$(call quiet,AR) rcs $@ $^
 
+$(dir)/$(LIBNAME): $(libnotmuch_modules)
+	$(call quiet,CXX $(CXXFLAGS)) $^ $(FINAL_LIBNOTMUCH_LDFLAGS) -shared -Wl,-soname=$(SONAME) -o $@
+
+$(dir)/$(SONAME): $(dir)/$(LIBNAME)
+	ln -sf $(LIBNAME) $@
+
+$(dir)/$(LINKER_NAME): $(dir)/$(SONAME)
+	ln -sf $(LIBNAME) $@
+
+install: install-$(dir)
+
+install-$(dir):
+	mkdir -p $(DESTDIR)$(libdir)/
+	install -m0644 $(dir)/$(LIBNAME) $(DESTDIR)$(libdir)/
+	ln -sf $(LIBNAME) $(DESTDIR)$(libdir)/$(SONAME)
+	ln -sf $(LIBNAME) $(DESTDIR)$(libdir)/$(LINKER_NAME)
+	mkdir -p $(DESTDIR)$(includedir)
+	install -m0644 $(dir)/notmuch.h $(DESTDIR)$(includedir)/
+
 SRCS  := $(SRCS) $(libnotmuch_c_srcs) $(libnotmuch_cxx_srcs)
-CLEAN := $(CLEAN) $(libnotmuch_modules) $(dir)/notmuch.a
+CLEAN := $(CLEAN) $(libnotmuch_modules) $(dir)/$(SONAME) $(dir)/$(LINKER_NAME) $(dir)$(LIBNAME) libnotmuch.a