831624c4c4
The ccache target package has been deprecated since 2013.02 and thus can be removed in 2014.02. This does not change anything about host ccache (used for speeding up builds). Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
56 lines
2.1 KiB
Makefile
56 lines
2.1 KiB
Makefile
################################################################################
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#
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# ccache
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#
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################################################################################
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CCACHE_VERSION = 3.1.8
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CCACHE_SITE = http://samba.org/ftp/ccache
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CCACHE_SOURCE = ccache-$(CCACHE_VERSION).tar.xz
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CCACHE_LICENSE = GPLv3+, others
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CCACHE_LICENSE_FILES = LICENSE.txt GPL-3.0.txt
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# Force ccache to use its internal zlib. The problem is that without
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# this, ccache would link against the zlib of the build system, but we
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# might build and install a different version of zlib in $(O)/host
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# afterwards, which ccache will pick up. This might break if there is
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# a version mismatch. A solution would be to add host-zlib has a
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# dependency of ccache, but it would require tuning the zlib .mk file
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# to use HOSTCC_NOCCACHE as the compiler. Instead, we take the easy
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# path: tell ccache to use its internal copy of zlib, so that ccache
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# has zero dependency besides the C library.
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HOST_CCACHE_CONF_OPT += ccache_cv_zlib_1_2_3=no
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# Patch host-ccache as follows:
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# - Use BR_CACHE_DIR instead of CCACHE_DIR, because CCACHE_DIR
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# is already used by autotargets for the ccache package.
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# BR_CACHE_DIR is exported by Makefile based on config option
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# BR2_CCACHE_DIR.
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# - ccache shouldn't use the compiler binary mtime to detect a change in
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# the compiler, because in the context of Buildroot, that completely
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# defeats the purpose of ccache. Of course, that leaves the user
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# responsible for purging its cache when the compiler changes.
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define HOST_CCACHE_PATCH_CONFIGURATION
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sed -i 's,getenv("CCACHE_DIR"),getenv("BR_CACHE_DIR"),' $(@D)/ccache.c
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sed -i 's,getenv("CCACHE_COMPILERCHECK"),"none",' $(@D)/ccache.c
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endef
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HOST_CCACHE_POST_CONFIGURE_HOOKS += \
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HOST_CCACHE_PATCH_CONFIGURATION
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$(eval $(host-autotools-package))
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ifeq ($(BR2_CCACHE),y)
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ccache-stats: host-ccache
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$(Q)$(CCACHE) -s
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ccache-options: host-ccache
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ifeq ($(CCACHE_OPTIONS),)
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$(Q)echo "Usage: make ccache-options CCACHE_OPTIONS=\"opts\""
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$(Q)echo "where 'opts' corresponds to one or more valid ccache options" \
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"(see ccache help text below)"
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$(Q)echo
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endif
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$(Q)$(CCACHE) $(CCACHE_OPTIONS)
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endif
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