1*4882a593Smuzhiyun################################################################################ 2*4882a593Smuzhiyun# 3*4882a593Smuzhiyun# ccache 4*4882a593Smuzhiyun# 5*4882a593Smuzhiyun################################################################################ 6*4882a593Smuzhiyun 7*4882a593SmuzhiyunCCACHE_VERSION = 3.7.12 8*4882a593SmuzhiyunCCACHE_SITE = https://github.com/ccache/ccache/releases/download/v$(CCACHE_VERSION) 9*4882a593SmuzhiyunCCACHE_SOURCE = ccache-$(CCACHE_VERSION).tar.xz 10*4882a593SmuzhiyunCCACHE_LICENSE = GPL-3.0+, others 11*4882a593SmuzhiyunCCACHE_LICENSE_FILES = LICENSE.adoc GPL-3.0.txt 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun# Force ccache to use its internal zlib. The problem is that without 14*4882a593Smuzhiyun# this, ccache would link against the zlib of the build system, but we 15*4882a593Smuzhiyun# might build and install a different version of zlib in $(O)/host 16*4882a593Smuzhiyun# afterwards, which ccache will pick up. This might break if there is 17*4882a593Smuzhiyun# a version mismatch. A solution would be to add host-zlib has a 18*4882a593Smuzhiyun# dependency of ccache, but it would require tuning the zlib .mk file 19*4882a593Smuzhiyun# to use HOSTCC_NOCCACHE as the compiler. Instead, we take the easy 20*4882a593Smuzhiyun# path: tell ccache to use its internal copy of zlib, so that ccache 21*4882a593Smuzhiyun# has zero dependency besides the C library. 22*4882a593SmuzhiyunHOST_CCACHE_CONF_OPTS += --with-bundled-zlib 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun# We are ccache, so we can't use ccache 25*4882a593SmuzhiyunHOST_CCACHE_CONF_ENV = \ 26*4882a593Smuzhiyun CC="$(HOSTCC_NOCCACHE)" \ 27*4882a593Smuzhiyun CXX="$(HOSTCXX_NOCCACHE)" 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun# Patch host-ccache as follows: 30*4882a593Smuzhiyun# - Use BR_CACHE_DIR instead of CCACHE_DIR, because CCACHE_DIR 31*4882a593Smuzhiyun# is already used by autotargets for the ccache package. 32*4882a593Smuzhiyun# BR_CACHE_DIR is exported by Makefile based on config option 33*4882a593Smuzhiyun# BR2_CCACHE_DIR. 34*4882a593Smuzhiyun# - Change hard-coded last-ditch default to match path in .config, to avoid 35*4882a593Smuzhiyun# the need to specify BR_CACHE_DIR when invoking ccache directly. 36*4882a593Smuzhiyun# CCache replaces "%s" with the home directory of the current user, 37*4882a593Smuzhiyun# So rewrite BR_CACHE_DIR to take that into consideration for SDK purpose 38*4882a593SmuzhiyunHOST_CCACHE_DEFAULT_CCACHE_DIR = $(patsubst $(HOME)/%,\%s/%,$(BR_CACHE_DIR)) 39*4882a593Smuzhiyun 40*4882a593Smuzhiyundefine HOST_CCACHE_PATCH_CONFIGURATION 41*4882a593Smuzhiyun sed -i 's,getenv("CCACHE_DIR"),getenv("BR_CACHE_DIR"),' $(@D)/src/ccache.c 42*4882a593Smuzhiyun sed -i 's,"%s/.ccache","$(HOST_CCACHE_DEFAULT_CCACHE_DIR)",' $(@D)/src/conf.c 43*4882a593Smuzhiyunendef 44*4882a593Smuzhiyun 45*4882a593SmuzhiyunHOST_CCACHE_POST_PATCH_HOOKS += HOST_CCACHE_PATCH_CONFIGURATION 46*4882a593Smuzhiyun 47*4882a593Smuzhiyundefine HOST_CCACHE_MAKE_CACHE_DIR 48*4882a593Smuzhiyun mkdir -p $(BR_CACHE_DIR) 49*4882a593Smuzhiyunendef 50*4882a593Smuzhiyun 51*4882a593SmuzhiyunHOST_CCACHE_POST_INSTALL_HOOKS += HOST_CCACHE_MAKE_CACHE_DIR 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun# Provide capability to do initial ccache setup (e.g. increase default size) 54*4882a593SmuzhiyunBR_CCACHE_INITIAL_SETUP = $(call qstrip,$(BR2_CCACHE_INITIAL_SETUP)) 55*4882a593Smuzhiyunifneq ($(BR_CCACHE_INITIAL_SETUP),) 56*4882a593Smuzhiyundefine HOST_CCACHE_DO_INITIAL_SETUP 57*4882a593Smuzhiyun @$(call MESSAGE,"Applying initial settings") 58*4882a593Smuzhiyun $(CCACHE) $(BR_CCACHE_INITIAL_SETUP) 59*4882a593Smuzhiyun $(CCACHE) -s 60*4882a593Smuzhiyunendef 61*4882a593Smuzhiyun 62*4882a593SmuzhiyunHOST_CCACHE_POST_INSTALL_HOOKS += HOST_CCACHE_DO_INITIAL_SETUP 63*4882a593Smuzhiyunendif 64*4882a593Smuzhiyun 65*4882a593Smuzhiyun$(eval $(host-autotools-package)) 66*4882a593Smuzhiyun 67*4882a593Smuzhiyunifeq ($(BR2_CCACHE),y) 68*4882a593Smuzhiyunccache-stats: host-ccache 69*4882a593Smuzhiyun $(Q)$(CCACHE) -s 70*4882a593Smuzhiyun 71*4882a593Smuzhiyunccache-options: host-ccache 72*4882a593Smuzhiyunifeq ($(CCACHE_OPTIONS),) 73*4882a593Smuzhiyun $(Q)echo "Usage: make ccache-options CCACHE_OPTIONS=\"opts\"" 74*4882a593Smuzhiyun $(Q)echo "where 'opts' corresponds to one or more valid ccache options" \ 75*4882a593Smuzhiyun "(see ccache help text below)" 76*4882a593Smuzhiyun $(Q)echo 77*4882a593Smuzhiyunendif 78*4882a593Smuzhiyun $(Q)$(CCACHE) $(CCACHE_OPTIONS) 79*4882a593Smuzhiyunendif 80