kumquat-buildroot/package/ccache/ccache.mk
Thomas Petazzoni 0283d7ee39 package/pkg-generic: handle host-ccache as a regular dependency
This moves the host-ccache dependency handling from
DEPENDENCIES_HOST_PREREQ to a proper package dependency. When
BR2_CCACHE=y, we add host-ccache as a regular dependency of all
packages except:

 - The extractor packages host-tar, host-xz and host-lzip

 - host-ccache itself

 - host-skeleton, because all packages depend on it

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Tested-by: Matt Weber <matthew.weber@rockwellcollins.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2018-03-25 17:49:05 +02:00

80 lines
2.8 KiB
Makefile

################################################################################
#
# ccache
#
################################################################################
CCACHE_VERSION = 3.3.5
CCACHE_SITE = https://www.samba.org/ftp/ccache
CCACHE_SOURCE = ccache-$(CCACHE_VERSION).tar.xz
CCACHE_LICENSE = GPL-3.0+, others
CCACHE_LICENSE_FILES = LICENSE.txt 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"),' $(@D)/ccache.c
sed -i 's,"%s/.ccache","$(HOST_CCACHE_DEFAULT_CCACHE_DIR)",' $(@D)/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