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share/mk: Add sccache suport for WITH_CCACHE_BUILD option

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By setting CCACHE_NAME=sccache , sccache can be used as an alternative
for ccache.

Reviewed by:	emaste, jhb
Event:		Kitchener-Waterloo Hackathon 202506
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D49417
This commit is contained in:
SHENGYI HONG 2025-06-20 01:37:23 -04:00 committed by Li-Wen Hsu
parent be8e84c2e9
commit 10cb3979a9
No known key found for this signature in database
GPG key ID: 7377A4A02A2954DD
2 changed files with 18 additions and 1 deletions
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12
share/mk/bsd.compiler.mk
View file

@ -66,9 +66,10 @@ CCACHE_BUILD_TYPE?= command
# PATH since it is more clear that ccache is used and avoids wasting time
# for mkdep/linking/asm builds.
LOCALBASE?= /usr/local
CCACHE_NAME?= ccache
CCACHE_PKG_PREFIX?= ${LOCALBASE}
CCACHE_WRAPPER_PATH?= ${CCACHE_PKG_PREFIX}/libexec/ccache
CCACHE_BIN?= ${CCACHE_PKG_PREFIX}/bin/ccache
CCACHE_BIN?= ${CCACHE_PKG_PREFIX}/bin/${CCACHE_NAME}
.if exists(${CCACHE_BIN})
# Export to ensure sub-makes can filter it out for mkdep/linking and
# to chain down into kernel build which won't include this file.
@ -122,7 +123,12 @@ CCACHE_NOCPP2= 1
.endif
# Canonicalize CCACHE_DIR for meta mode usage.
.if !defined(CCACHE_DIR)
.if !empty(CCACHE_BIN:M*sccache)
# Get the temp directory and remove beginning and trailing \"
CCACHE_DIR!= ${CCACHE_BIN} -s | awk '$$2 == "location" && $$3 == "Local" {print substr($$5, 2, length($$5) - 2)}'
.else
CCACHE_DIR!= ${CCACHE_BIN} -p | awk '$$2 == "cache_dir" {print $$4}'
.endif
.export CCACHE_DIR
.endif
.if !empty(CCACHE_DIR) && empty(.MAKE.META.IGNORE_PATHS:M${CCACHE_DIR})
@ -134,7 +140,11 @@ CCACHE_DIR:= ${CCACHE_DIR:tA}
# comparisons.
.MAKE.META.IGNORE_PATHS+= ${CCACHE_BIN}
ccache-print-options: .PHONY
.if !empty(CCACHE_BIN:M*sccache)
@${CCACHE_BIN} -s
.else
@${CCACHE_BIN} -p
.endif # !empty(CCACHE_BIN:M*sccache)
.endif # exists(${CCACHE_BIN})
.endif # ${MK_CCACHE_BUILD} == "yes"

7
tools/build/options/WITH_CCACHE_BUILD
View file

@ -3,11 +3,18 @@ Use
for the build.
No configuration is required except to install the
.Sy devel/ccache
or
.Sy devel/sccache
package.
When using with
.Xr distcc 1 ,
set
.Sy CCACHE_PREFIX=/usr/local/bin/distcc .
When using with sccache
set
.Sy CCACHE_NAME=sccache
in
.Xr src.conf 5 .
The default cache directory of
.Pa $HOME/.ccache
will be used, which can be overridden by setting