# -*- 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,
# (and when it is incremented, the release version of the library should
#  be reset to 0).
LIBNOTMUCH_VERSION_MINOR = 3

# 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

ifeq ($(PLATFORM),MACOSX)
LIBRARY_SUFFIX = dylib
# On OS X, library version numbers go before suffix.
LINKER_NAME = libnotmuch.$(LIBRARY_SUFFIX)
SONAME = libnotmuch.$(LIBNOTMUCH_VERSION_MAJOR).$(LIBRARY_SUFFIX)
LIBNAME = libnotmuch.$(LIBNOTMUCH_VERSION_MAJOR).$(LIBNOTMUCH_VERSION_MINOR).$(LIBNOTMUCH_VERSION_RELEASE).$(LIBRARY_SUFFIX)
LIBRARY_LINK_FLAG = -dynamiclib -install_name $(SONAME) -compatibility_version $(LIBNOTMUCH_VERSION_MAJOR).$(LIBNOTMUCH_VERSION_MINOR) -current_version $(LIBNOTMUCH_VERSION_MAJOR).$(LIBNOTMUCH_VERSION_MINOR).$(LIBNOTMUCH_VERSION_RELEASE)
else
LIBRARY_SUFFIX = so
LINKER_NAME = libnotmuch.$(LIBRARY_SUFFIX)
SONAME = $(LINKER_NAME).$(LIBNOTMUCH_VERSION_MAJOR)
LIBNAME = $(SONAME).$(LIBNOTMUCH_VERSION_MINOR).$(LIBNOTMUCH_VERSION_RELEASE)
LIBRARY_LINK_FLAG = -shared -Wl,--version-script=notmuch.sym,-soname=$(SONAME)
ifeq ($(LIBDIR_IN_LDCONFIG),1)
ifeq ($(DESTDIR),)
LIBRARY_INSTALL_POST_COMMAND=ldconfig
endif
endif
endif

dir := lib
extra_cflags += -I$(srcdir)/$(dir) -fPIC

libnotmuch_c_srcs =		\
	$(notmuch_compat_srcs)	\
	$(dir)/filenames.c	\
	$(dir)/string-list.c	\
	$(dir)/libsha1.c	\
	$(dir)/message-file.c	\
	$(dir)/messages.c	\
	$(dir)/sha1.c		\
	$(dir)/tags.c		\
	$(dir)/xutil.c

libnotmuch_cxx_srcs =		\
	$(dir)/database.cc	\
	$(dir)/directory.cc	\
	$(dir)/index.cc		\
	$(dir)/message.cc	\
	$(dir)/query.cc		\
	$(dir)/thread.cc

libnotmuch_modules := $(libnotmuch_c_srcs:.c=.o) $(libnotmuch_cxx_srcs:.cc=.o)

$(dir)/libnotmuch.a: $(libnotmuch_modules)
	$(call quiet,AR) rcs $@ $^

$(dir)/$(LIBNAME): $(libnotmuch_modules) notmuch.sym
	echo $(libnotmuch_modules)
	$(call quiet,CXX $(CXXFLAGS)) $(libnotmuch_modules) $(FINAL_LIBNOTMUCH_LDFLAGS) $(LIBRARY_LINK_FLAG) -o $@

notmuch.sym: lib/notmuch.h
	printf "{\nglobal:\n" > notmuch.sym
	sed  -n 's/^\s*\(notmuch_[a-z_]*\)\s*(.*/\t\1;/p' $< >> notmuch.sym
	printf "local: *;\n};\n" >> notmuch.sym

$(dir)/$(SONAME): $(dir)/$(LIBNAME)
	ln -sf $(LIBNAME) $@

$(dir)/$(LINKER_NAME): $(dir)/$(SONAME)
	ln -sf $(LIBNAME) $@

install: install-$(dir)

# The (often-reused) $dir works fine within targets/prerequisites,
# but cannot be used reliably within commands, so copy its value to a
# variable that is not reused.
lib := $(dir)
install-$(dir): $(dir)/$(LIBNAME)
	mkdir -p "$(DESTDIR)$(libdir)/"
	install -m0644 "$(lib)/$(LIBNAME)" "$(DESTDIR)$(libdir)/"
	ln -sf $(LIBNAME) "$(DESTDIR)$(libdir)/$(SONAME)"
	ln -sf $(LIBNAME) "$(DESTDIR)$(libdir)/$(LINKER_NAME)"
	mkdir -p "$(DESTDIR)$(includedir)"
	install -m0644 "$(srcdir)/$(lib)/notmuch.h" "$(DESTDIR)$(includedir)/"
	$(LIBRARY_INSTALL_POST_COMMAND)

SRCS  := $(SRCS) $(libnotmuch_c_srcs) $(libnotmuch_cxx_srcs)
CLEAN := $(CLEAN) $(libnotmuch_modules) $(dir)/$(SONAME) $(dir)/$(LINKER_NAME) $(dir)$(LIBNAME) libnotmuch.a notmuch.sym