2014-02-14 01:55:49 -06:00
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# 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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2014-09-09 13:24:17 -05:00
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# NB: This only looks for '+' status (wrong commit checked out), not '-' status
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# (nothing checked out at all). `./configure --{llvm,jemalloc,libuv}-root`
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# will explicitly deinitialize the corresponding submodules, and we don't
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# want to force constant rebuilds in that case.
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NEED_GIT_RECONFIG=$(shell cd "$(CFG_SRC_DIR)" && "$(CFG_GIT)" submodule status | grep -c '^+')
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2014-02-14 01:55:49 -06:00
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else
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NEED_GIT_RECONFIG=0
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endif
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ifeq ($(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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