+# -*- makefile -*-
+
+dir := lib
+
+# 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 := $(dir)
+
+ifeq ($(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 $(libdir)/$(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).$(LIBNOTMUCH_VERSION_RELEASE)
+LIBRARY_LINK_FLAG = -shared -Wl,--version-script=$(srcdir)/$(lib)/notmuch.sym,-soname=$(SONAME) $(NO_UNDEFINED_LDFLAGS)
+ifeq ($(PLATFORM),OPENBSD)
+LIBRARY_LINK_FLAG += -lc
+endif
+ifeq ($(LIBDIR_IN_LDCONFIG),1)
+ifeq ($(DESTDIR),)
+LIBRARY_INSTALL_POST_COMMAND=ldconfig
+endif
+endif
+endif
+
+extra_cflags += -I$(srcdir)/$(dir) -fPIC -fvisibility=hidden
+extra_cxxflags += -fvisibility-inlines-hidden