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ccache: change default cache directory path to match config setting 

Commit 433290761f changed the hard-coded
ccache directory location to use BR_CACHE_DIR (then BUILDROOT_CACHE_DIR),
which is exported by Makefile based on the BR2_CCACHE_DIR config option.
This allowed the cache location to be changed on-the-fly by setting a
"make" command line variable, but left the default location of ccache's
normal default at "$HOME/.ccache".  Since this location does not match the
default for BR2_CCACHE_DIR, it is basically almost never correct, so
direct invocation of ccache outside of the buildroot Makefile, such as for
increasing the cache size, becomes cumbersome.

This patch changes the last-ditch cache location from "$HOME/.ccache" to
the BR_CCACHE_DIR value defined when host-ccache is configured.  Note that
the ability to later override the cache location by using a BR_CACHE_DIR
command line variable is left intact.

Signed-off-by: Danomi Manchego <danomimanchego123@gmail.com>
Reviewed-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
Tested-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Danomi Manchego 2014-04-30 22:05:06 -04:00 committed by Thomas Petazzoni
parent 8f9da282b2
commit d93a0b4029
1 changed files with 3 additions and 0 deletions
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3
package/ccache/ccache.mk
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@ -30,9 +30,12 @@ HOST_CCACHE_CONF_OPT += ccache_cv_zlib_1_2_3=no
# 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.
# - Change hard-coded last-ditch default to match path in .config, to avoid
# the need to specify BR_CACHE_DIR when invoking ccache directly.
define HOST_CCACHE_PATCH_CONFIGURATION
sed -i 's,getenv("CCACHE_DIR"),getenv("BR_CACHE_DIR"),' $(@D)/ccache.c
sed -i 's,getenv("CCACHE_COMPILERCHECK"),"none",' $(@D)/ccache.c
sed -i 's,"%s/.ccache","$(BR_CACHE_DIR)",' $(@D)/ccache.c
endef
HOST_CCACHE_POST_CONFIGURE_HOOKS += \