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host-ccache: turn into a proper dependency

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This patch moves the host-ccache build target from BASE_TARGETS in Makefile
to an actual host prerequisite in support/dependencies. This causes
host-ccache to be built as part of the dependencies, before any real package
is built.
Since the dependencies are built without ccache anyway, there is no need to
set HOST_CCACHE_CONF_ENV anymore.

Suggested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
Acked-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Thomas De Schampheleire
2013-08-02 09:33:54 +02:00
committed by Thomas Petazzoni
parent 2ba1014009
commit db443f263a
3 changed files with 4 additions and 10 deletions
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6
package/ccache/ccache.mk
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@@ -10,12 +10,6 @@ CCACHE_SOURCE = ccache-$(CCACHE_VERSION).tar.bz2
CCACHE_LICENSE = GPLv3+, others
CCACHE_LICENSE_FILES = LICENSE.txt GPL-3.0.txt
# When ccache is being built for the host, ccache is not yet
# available, so we have to use the special C compiler without the
# cache.
HOST_CCACHE_CONF_ENV = \
CC="$(HOSTCC_NOCCACHE)"
# 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