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# $NetBSD: ccache.mk,v 1.6 2004/02/03 20:38:39 jlam Exp $
.if !defined(COMPILER_CCACHE_MK)
COMPILER_CCACHE_MK= defined
.if !empty(PKGPATH:Mdevel/ccache)
IGNORE_CCACHE= yes
MAKEFLAGS+= IGNORE_CCACHE=yes
.endif
.if defined(IGNORE_CCACHE)
_USE_CCACHE= NO
.endif
# LANGUAGES.<compiler> is the list of supported languages by the compiler.
# _LANGUAGES.<compiler> is ${LANGUAGES.<compiler>} restricted to the ones
# requested by the package in USE_LANGUAGES.
#
LANGUAGES.ccache= c c++
_LANGUAGES.ccache= # empty
.for _lang_ in ${USE_LANGUAGES}
_LANGUAGES.ccache+= ${LANGUAGES.ccache:M${_lang_}}
.endfor
.if empty(_LANGUAGES.ccache)
_USE_CCACHE= NO
.endif
.if !defined(_USE_CCACHE)
_USE_CCACHE= YES
.endif
.if !empty(_USE_CCACHE:M[yY][eE][sS])
#
# Add the dependency on ccache.
BUILD_DEPENDS+= ccache-[0-9]*:../../devel/ccache
.endif
EVAL_PREFIX+= _CCACHEBASE=ccache
_CCACHEBASE_DEFAULT= ${LOCALBASE}
_CCACHEBASE?= ${LOCALBASE}
.if exists(${_CCACHEBASE}/bin/ccache)
_CCACHE_DIR= ${WRKDIR}/.ccache
_CCACHE_LINKS= # empty
. if !empty(_LANGUAGES.ccache)
PATH:= ${_CCACHE_DIR}/bin:${PATH}
. endif
. if !empty(_LANGUAGES.ccache:Mc)
CC:= ${_CCACHE_DIR}/bin/${CC:T}
_CCACHE_LINKS+= CC
. endif
. if !empty(_LANGUAGES.ccache:Mc++)
CXX:= ${_CCACHE_DIR}/bin/${CXX:T}
_CCACHE_LINKS+= CXX
. endif
. for _target_ in ${_CCACHE_LINKS}
override-tools: ${${_target_}}
${${_target_}}:
${_PKG_SILENT}${_PKG_DEBUG}${MKDIR} ${.TARGET:H}
${_PKG_SILENT}${_PKG_DEBUG} \
${LN} -fs ${_CCACHEBASE}/bin/ccache ${.TARGET}
. endfor
.endif
.endif # COMPILER_CCACHE_MK
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