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-rw-r--r--package/ccache/ccache.mk24
1 files changed, 12 insertions, 12 deletions
diff --git a/package/ccache/ccache.mk b/package/ccache/ccache.mk
index f71376ee8..d7106eed1 100644
--- a/package/ccache/ccache.mk
+++ b/package/ccache/ccache.mk
@@ -25,22 +25,22 @@ HOST_CCACHE_CONF_ENV = \
# has zero dependency besides the C library.
HOST_CCACHE_CONF_OPT += ccache_cv_zlib_1_2_3=no
-# We directly hardcode configuration into the binary, as it is much
-# easier to handle than passing an environment variable. Our
-# configuration is:
-# - the cache location
-# - the fact that ccache shouldn't use the compiler binary mtime to
-# - detect a change in the compiler, because in the context of
-# - Buildroot, that completely defeats the purpose of ccache. Of
-# - course, that leaves the user responsible for purging its cache
-# - when the compiler changes.
-define HOST_CCACHE_FIX_CCACHE_DIR
- sed -i 's,getenv("CCACHE_DIR"),"$(CCACHE_CACHE_DIR)",' $(@D)/ccache.c
+# Patch host-ccache as follows:
+# - Use BUILDROOT_CACHE_DIR instead of CCACHE_DIR, because CCACHE_DIR
+# is already used by autotargets for the ccache package.
+# BUILDROOT_CACHE_DIR is exported by Makefile based on config option
+# BR2_CCACHE_DIR.
+# - ccache shouldn't use the compiler binary mtime to detect a change in
+# the compiler, because in the context of Buildroot, that completely
+# defeats the purpose of ccache. Of course, that leaves the user
+# responsible for purging its cache when the compiler changes.
+define HOST_CCACHE_PATCH_CONFIGURATION
+ sed -i 's,getenv("CCACHE_DIR"),getenv("BUILDROOT_CACHE_DIR"),' $(@D)/ccache.c
sed -i 's,getenv("CCACHE_COMPILERCHECK"),"none",' $(@D)/ccache.c
endef
HOST_CCACHE_POST_CONFIGURE_HOOKS += \
- HOST_CCACHE_FIX_CCACHE_DIR
+ HOST_CCACHE_PATCH_CONFIGURATION
$(eval $(call AUTOTARGETS))
$(eval $(call AUTOTARGETS,host))