2852fea61e
Because the build system treats Makefile.in and the .mk files slightly differently (.in is copied, .mk are included), this makes the system more uniform. Fewer build system changes will require a complete reconfigure.
34 lines
1.2 KiB
Makefile
34 lines
1.2 KiB
Makefile
# Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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# file at the top-level directory of this distribution and at
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# http://rust-lang.org/COPYRIGHT.
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#
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# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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# option. This file may not be copied, modified, or distributed
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# except according to those terms.
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# Recursive wildcard function
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# http://blog.jgc.org/2011/07/gnu-make-recursive-wildcard-function.html
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rwildcard=$(foreach d,$(wildcard $1*),$(call rwildcard,$d/,$2) \
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$(filter $(subst *,%,$2),$d))
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ifndef CFG_DISABLE_MANAGE_SUBMODULES
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# This is a pretty expensive operation but I don't see any way to avoid it
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NEED_GIT_RECONFIG=$(shell cd "$(CFG_SRC_DIR)" && "$(CFG_GIT)" submodule status | grep -c '^\(+\|-\)')
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else
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NEED_GIT_RECONFIG=0
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endif
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ifeq ($(NEED_GIT_RECONFIG),0)
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else
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# If the submodules have changed then always execute config.mk
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.PHONY: config.stamp
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endif
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Makefile config.mk: config.stamp
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config.stamp: $(S)configure $(S)Makefile.in $(S)src/snapshots.txt
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@$(call E, cfg: reconfiguring)
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$(S)configure $(CFG_CONFIGURE_ARGS)
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