Hi!

I’m certainly doing it wrong, because CCACHE does not kick in after applying the patch and modifying make.conf. CCACHE stats ('ccache -z' followed by 'ccache -s') remain at zero during buildworld while they used to reflect the cache miss/hits before.


# cat /etc/make.conf
WITH_CCACHE_BUILD=

 # svn diff /usr/src/share/mk/local.init.mk
Index: /usr/src/share/mk/local.init.mk
===================================================================
--- /usr/src/share/mk/local.init.mk     (revision 289627)
+++ /usr/src/share/mk/local.init.mk     (working copy)
@@ -38,3 +38,37 @@
 HOST_CFLAGS+= -DHOSTPROG
 CFLAGS+= ${HOST_CFLAGS}
 .endif
+
+# Handle ccache after CC is determined. If CC is at some specific path then +# we must prepend the ccache wrapper. Otherwise we can just prepend PATH with +# the wrapper location, which is a more safe solution since it avoids spaces
+# and compiler type guessing based on filename.
+LOCALBASE?=            /usr/local
+CCACHE_WRAPPER_PATH?=  ${LOCALBASE}/libexec/ccache
+CCACHE_PATH?=          ${LOCALBASE}/bin/ccache
+.if defined(WITH_CCACHE_BUILD) && !defined(NOCCACHE) && \
+    ${CC:M*ccache*} == "" && exists(${CCACHE_PATH})
+# Handle compiler changes properly.  This avoids needing to use the 'world'
+# wrappers.
+CCACHE_COMPILERCHECK?= content
+.export CCACHE_COMPILERCHECK
+.if ${CC:M/*} == ""
+# Can use PATH.
+PATH:= ${CCACHE_WRAPPER_PATH}:${PATH}
+.export PATH
+.else
+# Must prepend CC.
+CC:=           ${CCACHE_PATH} ${CC}
+CXX:=          ${CCACHE_PATH} ${CXX}
+CPP:=          ${CCACHE_PATH} ${CPP}
+.if defined(HOST_CC)
+HOST_CC:=      ${CCACHE_PATH} ${HOST_CC}
+.endif
+.if defined(HOST_CXX)
+HOST_CXX:=     ${CCACHE_PATH} ${HOST_CXX}
+.endif
+.if defined(HOST_CPP)
+HOST_CPP:=     ${CCACHE_PATH} ${HOST_CPP}
+.endif
+.endif
+.endif # WITH_CCACHE_BUILD

If I recover the old make.conf, CCACHE works again for a buildworld.

# cat /etc/make.conf.old
.if (!empty(.CURDIR:M/usr/src*) || !empty(.CURDIR:M/usr/obj*))
.if !defined(NOCCACHE) && exists(/usr/local/libexec/ccache/world/cc)
CC:=${CC:C,^cc,/usr/local/libexec/ccache/world/cc,1}
CXX:=${CXX:C,^c\+\+,/usr/local/libexec/ccache/world/c++,1}
.endif
.endif

Maybe I misconfigured CCACHE when I first installed it?

Best regards,
Juan
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