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John Crispin
6eae1d6b77
Configure stage without a cache against a warm cache: mtools 3.34 s -> 0.28 s gengetopt 4.39 s -> 2.13 s fakeroot 10.97 s -> 8.73 s xz 4.32 s -> 2.17 s libressl 3.07 s -> 1.46 s flex 12.32 s -> 10.98 s expat 2.74 s -> 1.52 s bc 1.34 s -> 0.38 s dosfstools 3.13 s -> 2.54 s libtool 2.86 s -> 2.29 s mtd-utils 4.06 s -> 3.56 s flex, fakeroot, dosfstools and mtd-utils run autoreconf in the same stage, and the cache does not reach that part. Each of the eleven configures the same way with a warm cache as it does without one: the check configures three times, without a cache, with a cold cache and with a warm cache, and every generated file of the first and the last run is identical. A static scan of each configure script found no cache check that changes CFLAGS, CPPFLAGS, LDFLAGS or LIBS without restoring it. patchelf, mklibs and automake pass the same check but gain less than half a second, so they stay out. make world after make tools/clean now takes 121 s against 177 s with cold caches. Signed-off-by: John Crispin <john@phrozen.org>
44 lines
1010 B
Makefile
44 lines
1010 B
Makefile
#
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# Copyright (C) 2008-2016 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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include $(TOPDIR)/rules.mk
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PKG_NAME:=flex
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PKG_CPE_ID:=cpe:/a:westes:flex
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PKG_VERSION:=2.6.4
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PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
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PKG_SOURCE_URL:=https://github.com/westes/flex/releases/download/v$(PKG_VERSION)/
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PKG_HASH:=e87aae032bf07c26f85ac0ed3250998c37621d95f8bd748b31f15b33c45ee995
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HOST_FIXUP:=autoreconf
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HOST_BUILD_PARALLEL:=1
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HOST_CONFIGURE_CACHE:=1
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include $(INCLUDE_DIR)/host-build.mk
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HOST_CONFIGURE_ARGS += --disable-shared
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define Host/Compile
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$(call Host/Compile/Default,SUBDIRS='src tools')
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endef
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define Host/Install
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$(call Host/Compile/Default,install SUBDIRS='src tools')
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$(LN) flex $(STAGING_DIR_HOST)/bin/lex
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endef
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define Host/Uninstall
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-$(call Host/Compile/Default,uninstall SUBDIRS='src tools')
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endef
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define Host/Clean
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rm -f $(STAGING_DIR_HOST)/bin/lex
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$(call Host/Clean/Default)
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endef
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$(eval $(call HostBuild))
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