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# $NetBSD: build-defs-message.mk,v 1.1 2006/07/15 23:58:52 rillig Exp $
#
# The build-defs-message target shows the variables that can be configured
# by the pkgsrc user in mk.conf.
#
.PHONY: build-defs-message
pre-depends-hook: build-defs-message
.if empty(PKGSRC_SHOW_BUILD_DEFS:M[yY][eE][sS])
build-defs-message:
.elif !target(build-defs-message)
build-defs-message: ${WRKDIR}
. if defined(BUILD_DEFS) && !empty(BUILD_DEFS)
. if !exists(${WRKDIR}/.bdm_done)
@${ECHO} "=========================================================================="
@${ECHO} "The following variables will affect the build process of this package,"
@${ECHO} "${PKGNAME}. Their current value is shown below:"
@${ECHO} ""
. for var in ${BUILD_DEFS:O}
. if !defined(${var})
@${ECHO} " * ${var} (not defined)"
. elif defined(${var}) && empty(${var})
@${ECHO} " * ${var} (defined)"
. else
@${ECHO} " * ${var} = ${${var}}"
. endif
. endfor
@${ECHO} ""
@${ECHO} "You may want to abort the process now with CTRL-C and change their value"
@${ECHO} "before continuing. Be sure to run \`${MAKE} clean' after"
@${ECHO} "the changes."
@${ECHO} "=========================================================================="
@${TOUCH} ${WRKDIR}/.bdm_done
. endif
. endif
.endif
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