Hi,
ports/169579 is currently tracking this.
This patch adds ccache support to ports (off by default). Other patches
have changed $CC to use ccache, which results in having a space in $CC.
This breaks many ports such as boost and libtool ports.
This patch however utilizes the symlinks in
/usr/local/libexec/ccache/{cc,gcc,etc...} by prefixing that directory
into $PATH in the $MAKE_ENV.
Using this method, I have seen 0 failures, compared to the $CC method
which results in many build failures and requiring to define which ports
do not support ccache.
To enable: Define WITH_CCACHE_BUILD=yes in /etc/make.conf
The cache directory CCACHE_DIR defaults to /usr/obj/ccache
Defining NO_CCACHE can disable ccache support in make.conf or in a port.
This is mostly to allow compatibility with current setups utilizing
NO_CCACHE.
If $CC already contains ccache, the support is disabled in case of
custom setup.
Users can override other ccache env variables [1] by using MAKE_ENV+= in
their make.conf. Such as:
MAKE_ENV+= CCACHE_LOGFILE=/var/log/ccache.log
To use ccache(1) from the command line to configure the size or view
stats: CCACHE_DIR=/usr/obj/ccache ccache -s
FWIW, this is also possible to achieve with bsd.local.mk [2], but it
would be much nicer to support without needing to customize your checkout.
[1] https://ccache.samba.org/manual.html#_environment_variables
[2] http://fossil.etoilebsd.net/poudriere/doc/trunk/doc/ccache.wiki
--
Regards,
Bryan Drewery
bdrewery@freenode/EFNet
--- bsd.port.mk.orig 2012-08-04 02:57:19.000000000 +0200
+++ bsd.port.mk 2012-08-04 02:58:43.000000000 +0200
@@ -934,6 +934,13 @@
# that are explicitly marked MAKE_JOBS_UNSAFE.
User settable.
# MAKE_JOBS_NUMBER
# - Override the number of make jobs to be used.
User settable.
+## cacche
+#
+# WITH_CCACHE_BUILD
+# - Enable CCACHE support (devel/ccache)
+# CCACHE_DIR
+# - Directory to use for ccache objects
+# Default: /usr/obj/ccache
#
# For install:
#
@@ -2217,6 +2224,21 @@
.endif
.endif
+# ccache support
+# Support NO_CCACHE for common setups, require WITH_CCACHE_BUILD, and don't
use if ccache already set in CC
+.if !defined(NO_CCACHE) && defined(WITH_CCACHE_BUILD) && !${CC:M*ccache*}
+CCACHE_DIR?= /usr/obj/ccache
+
+# Avoid depends loops between pkg and ccache
+. if !${.CURDIR:M*/devel/ccache} && !${.CURDIR:M*/ports-mgmt/pkg}
+BUILD_DEPENDS+= ${LOCALBASE}/bin/ccache:${PORTSDIR}/devel/ccache
+. endif
+
+# Prepend the ccache dir into the PATH and setup ccache env
+MAKE_ENV+= PATH=${LOCALBASE}/libexec/ccache:${PATH} \
+ CCACHE_DIR=${CCACHE_DIR}
+.endif
+
PTHREAD_CFLAGS?=
PTHREAD_LIBS?= -pthread
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