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- ################################################################################
- #
- # ccache
- #
- ################################################################################
- CCACHE_VERSION = 3.7.12
- CCACHE_SITE = https://github.com/ccache/ccache/releases/download/v$(CCACHE_VERSION)
- CCACHE_SOURCE = ccache-$(CCACHE_VERSION).tar.xz
- CCACHE_LICENSE = GPL-3.0+, others
- CCACHE_LICENSE_FILES = LICENSE.adoc GPL-3.0.txt
- # Force ccache to use its internal zlib. The problem is that without
- # this, ccache would link against the zlib of the build system, but we
- # might build and install a different version of zlib in $(O)/host
- # afterwards, which ccache will pick up. This might break if there is
- # a version mismatch. A solution would be to add host-zlib has a
- # dependency of ccache, but it would require tuning the zlib .mk file
- # to use HOSTCC_NOCCACHE as the compiler. Instead, we take the easy
- # path: tell ccache to use its internal copy of zlib, so that ccache
- # has zero dependency besides the C library.
- HOST_CCACHE_CONF_OPTS += --with-bundled-zlib
- # We are ccache, so we can't use ccache
- HOST_CCACHE_CONF_ENV = \
- CC="$(HOSTCC_NOCCACHE)" \
- CXX="$(HOSTCXX_NOCCACHE)"
- # Patch host-ccache as follows:
- # - Use BR_CACHE_DIR instead of CCACHE_DIR, because CCACHE_DIR
- # is already used by autotargets for the ccache package.
- # BR_CACHE_DIR is exported by Makefile based on config option
- # BR2_CCACHE_DIR.
- # - Change hard-coded last-ditch default to match path in .config, to avoid
- # the need to specify BR_CACHE_DIR when invoking ccache directly.
- # CCache replaces "%s" with the home directory of the current user,
- # So rewrite BR_CACHE_DIR to take that into consideration for SDK purpose
- HOST_CCACHE_DEFAULT_CCACHE_DIR = $(patsubst $(HOME)/%,\%s/%,$(BR_CACHE_DIR))
- define HOST_CCACHE_PATCH_CONFIGURATION
- sed -i 's,getenv("CCACHE_DIR"),getenv("BR_CACHE_DIR"),' $(@D)/src/ccache.c
- sed -i 's,"%s/.ccache","$(HOST_CCACHE_DEFAULT_CCACHE_DIR)",' $(@D)/src/conf.c
- endef
- HOST_CCACHE_POST_PATCH_HOOKS += HOST_CCACHE_PATCH_CONFIGURATION
- define HOST_CCACHE_MAKE_CACHE_DIR
- mkdir -p $(BR_CACHE_DIR)
- endef
- HOST_CCACHE_POST_INSTALL_HOOKS += HOST_CCACHE_MAKE_CACHE_DIR
- # Provide capability to do initial ccache setup (e.g. increase default size)
- BR_CCACHE_INITIAL_SETUP = $(call qstrip,$(BR2_CCACHE_INITIAL_SETUP))
- ifneq ($(BR_CCACHE_INITIAL_SETUP),)
- define HOST_CCACHE_DO_INITIAL_SETUP
- @$(call MESSAGE,"Applying initial settings")
- $(CCACHE) $(BR_CCACHE_INITIAL_SETUP)
- $(CCACHE) -s
- endef
- HOST_CCACHE_POST_INSTALL_HOOKS += HOST_CCACHE_DO_INITIAL_SETUP
- endif
- $(eval $(host-autotools-package))
- ifeq ($(BR2_CCACHE),y)
- ccache-stats: host-ccache
- $(Q)$(CCACHE) -s
- ccache-options: host-ccache
- ifeq ($(CCACHE_OPTIONS),)
- $(Q)echo "Usage: make ccache-options CCACHE_OPTIONS=\"opts\""
- $(Q)echo "where 'opts' corresponds to one or more valid ccache options" \
- "(see ccache help text below)"
- $(Q)echo
- endif
- $(Q)$(CCACHE) $(CCACHE_OPTIONS)
- endif
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