mirror of
https://git.notmuchmail.org/git/notmuch
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ee2d490280
The install_name of libnotmuch.dylib on Mac OS X is what is written into a program that links against it. If it is just the name of the shared library file, as opposed to the full path, the program won't be able to find it when it runs and will abort. Instead, the install_name should be the full path to the shared library (in its final installed location). Why does Notmuch work without this patch when installed via Homebrew? The answer is twofold. One, /usr/local/lib is a special location in which the dynamic linker will look by default to find shared libraries. Homebrew highly recommends installing to /usr/local, and, assuming it has been configured this way, the Notmuch library will end up installed in /usr/local/lib, and the dynamic linker will find it. Two, Homebrew globally corrects all install names in dynamically shared libraries and binaries for each package it installs. So, even if the install names in a package's binaries and libraries are incorrect, Homebrew corrects them automatically, and no one ever knows. Why does Notmuch work without this patch when installed via MacPorts? The answer is that MacPorts applies a patch just like this patch to fix the same problem.
105 lines
3.8 KiB
Makefile
105 lines
3.8 KiB
Makefile
# -*- makefile -*-
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# The major version of the library interface. This will control the soname.
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# As such, this number must be incremented for any incompatible change to
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# the library interface, (such as the deletion of an API or a major
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# semantic change that breaks formerly functioning code).
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#
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LIBNOTMUCH_VERSION_MAJOR = 4
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# The minor version of the library interface. This should be incremented at
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# the time of release for any additions to the library interface,
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# (and when it is incremented, the release version of the library should
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# be reset to 0).
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LIBNOTMUCH_VERSION_MINOR = 2
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# The release version the library interface. This should be incremented at
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# the time of release if there have been no changes to the interface, (but
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# simply compatible changes to the implementation).
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LIBNOTMUCH_VERSION_RELEASE = 0
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# Note: Don't forget to change the VERSION macros in notmuch.h when
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# any of the above change.
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ifeq ($(PLATFORM),MACOSX)
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LIBRARY_SUFFIX = dylib
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# On OS X, library version numbers go before suffix.
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LINKER_NAME = libnotmuch.$(LIBRARY_SUFFIX)
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SONAME = libnotmuch.$(LIBNOTMUCH_VERSION_MAJOR).$(LIBRARY_SUFFIX)
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LIBNAME = libnotmuch.$(LIBNOTMUCH_VERSION_MAJOR).$(LIBNOTMUCH_VERSION_MINOR).$(LIBNOTMUCH_VERSION_RELEASE).$(LIBRARY_SUFFIX)
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LIBRARY_LINK_FLAG = -dynamiclib -install_name $(libdir)/$(SONAME) -compatibility_version $(LIBNOTMUCH_VERSION_MAJOR).$(LIBNOTMUCH_VERSION_MINOR) -current_version $(LIBNOTMUCH_VERSION_MAJOR).$(LIBNOTMUCH_VERSION_MINOR).$(LIBNOTMUCH_VERSION_RELEASE)
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else
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LIBRARY_SUFFIX = so
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LINKER_NAME = libnotmuch.$(LIBRARY_SUFFIX)
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SONAME = $(LINKER_NAME).$(LIBNOTMUCH_VERSION_MAJOR)
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LIBNAME = $(SONAME).$(LIBNOTMUCH_VERSION_MINOR).$(LIBNOTMUCH_VERSION_RELEASE)
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LIBRARY_LINK_FLAG = -shared -Wl,--version-script=notmuch.sym,-soname=$(SONAME) -Wl,--no-undefined
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ifeq ($(PLATFORM),OPENBSD)
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LIBRARY_LINK_FLAG += -lc
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endif
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ifeq ($(LIBDIR_IN_LDCONFIG),1)
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ifeq ($(DESTDIR),)
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LIBRARY_INSTALL_POST_COMMAND=ldconfig
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endif
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endif
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endif
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dir := lib
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extra_cflags += -I$(srcdir)/$(dir) -fPIC
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# The (often-reused) $dir works fine within targets/prerequisites,
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# but cannot be used reliably within commands, so copy its value to a
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# variable that is not reused.
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lib := $(dir)
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libnotmuch_c_srcs = \
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$(notmuch_compat_srcs) \
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$(dir)/filenames.c \
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$(dir)/string-list.c \
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$(dir)/libsha1.c \
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$(dir)/message-file.c \
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$(dir)/messages.c \
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$(dir)/sha1.c \
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$(dir)/tags.c
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libnotmuch_cxx_srcs = \
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$(dir)/database.cc \
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$(dir)/parse-time-vrp.cc \
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$(dir)/directory.cc \
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$(dir)/index.cc \
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$(dir)/message.cc \
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$(dir)/query.cc \
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$(dir)/thread.cc
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libnotmuch_modules := $(libnotmuch_c_srcs:.c=.o) $(libnotmuch_cxx_srcs:.cc=.o)
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$(dir)/libnotmuch.a: $(libnotmuch_modules)
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$(call quiet,AR) rcs $@ $^
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$(dir)/$(LIBNAME): $(libnotmuch_modules) notmuch.sym util/libutil.a parse-time-string/libparse-time-string.a
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$(call quiet,CXX $(CXXFLAGS)) $(libnotmuch_modules) $(FINAL_LIBNOTMUCH_LDFLAGS) $(LIBRARY_LINK_FLAG) -o $@ util/libutil.a parse-time-string/libparse-time-string.a
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notmuch.sym: $(srcdir)/$(dir)/notmuch.h $(libnotmuch_modules)
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sh $(srcdir)/$(lib)/gen-version-script.sh $< $(libnotmuch_modules) > $@
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$(dir)/$(SONAME): $(dir)/$(LIBNAME)
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ln -sf $(LIBNAME) $@
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$(dir)/$(LINKER_NAME): $(dir)/$(SONAME)
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ln -sf $(LIBNAME) $@
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install: install-$(dir)
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install-$(dir): $(dir)/$(LIBNAME)
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mkdir -p "$(DESTDIR)$(libdir)/"
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install -m0644 "$(lib)/$(LIBNAME)" "$(DESTDIR)$(libdir)/"
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ln -sf $(LIBNAME) "$(DESTDIR)$(libdir)/$(SONAME)"
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ln -sf $(LIBNAME) "$(DESTDIR)$(libdir)/$(LINKER_NAME)"
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mkdir -p "$(DESTDIR)$(includedir)"
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install -m0644 "$(srcdir)/$(lib)/notmuch.h" "$(DESTDIR)$(includedir)/"
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$(LIBRARY_INSTALL_POST_COMMAND)
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SRCS := $(SRCS) $(libnotmuch_c_srcs) $(libnotmuch_cxx_srcs)
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CLEAN += $(libnotmuch_modules) $(dir)/$(SONAME) $(dir)/$(LINKER_NAME)
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CLEAN += $(dir)/$(LIBNAME) $(dir)/libnotmuch.a notmuch.sym
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CLEAN += $(dir)/notmuch.h.gch
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