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2d6718b837
This supports the case of a user running "configure --prefix=/foo" then later updating the soruce (including the configure script) and re-running make. In this case, the make invocation will re-run configure. Before this change, this run of configure would lose the user's carefully chosen prefix. This is now fixed so that configrue is re-run with the user's options.
41 lines
1.5 KiB
Makefile
41 lines
1.5 KiB
Makefile
# We want the all target to be the implicit target (if no target is
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# given explicitly on the command line) so mention it first.
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all:
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# List all subdirectories here. Each contains its own Makefile.local
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subdirs = compat completion emacs lib test
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# We make all targets depend on the Makefiles themselves.
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global_deps = Makefile Makefile.config Makefile.local \
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$(subdirs:%=%/Makefile) $(subdirs:%=%/Makefile.local)
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# Sub-directory Makefile.local fragments can append to these variables
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# to have directory-specific cflags as necessary.
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extra_cflags :=
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extra_cxxflags :=
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# Get settings from the output of configure by running it to generate
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# Makefile.config if it doesn't exist yet.
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# If Makefile.config doesn't exist, then srcdir won't be
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# set. Conditionally set it (assuming a plain srcdir build) so that
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# the rule to generate Makefile.config can actually work.
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srcdir ?= .
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include Makefile.config
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Makefile.config: $(srcdir)/configure
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ifeq ($(configure_options),)
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@echo ""
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@echo "Note: Calling ./configure with no command-line arguments. This is often fine,"
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@echo " but if you want to specify any arguments (such as an alternate prefix"
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@echo " into which to install), call ./configure explicitly and then make again."
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@echo " See \"./configure --help\" for more details."
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@echo ""
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endif
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$(srcdir)/configure $(configure_options)
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# Finally, include all of the Makefile.local fragments where all the
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# real work is done.
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include $(subdirs:%=%/Makefile.local) Makefile.local
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