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# $NetBSD: bsd.options.mk,v 1.16 2005/01/24 18:04:24 tv Exp $
#
# This Makefile fragment provides boilerplate code for standard naming
# conventions for handling per-package build options.
#
# Before including this file, the following variables should be defined:
#
# PKG_OPTIONS_VAR
# This is a list of the name of the make(1) variables that
# contain the options the user wishes to select. This
# variable should be set in a package Makefile. E.g.,
#
# PKG_OPTIONS_VAR= WIBBLE_OPTIONS
# or
# PKG_OPTIONS_VAR= FOO_OPTIONS BAR_OPTIONS
#
# PKG_SUPPORTED_OPTIONS
# This is a list of build options supported by the package.
# This variable should be set in a package Makefile. E.g.,
#
# PKG_SUPPORTED_OPTIONS= kerberos ldap ssl
#
# Optionally, the following variables may also be defined:
#
# PKG_DEFAULT_OPTIONS
# This is a list the options that should be built into
# every package, if that option is supported. This
# variable should be set in /etc/mk.conf.
#
# ${PKG_OPTIONS_VAR} (the variables named in PKG_OPTIONS_VAR)
# These variables list the selected build options and
# override any default options given in PKG_DEFAULT_OPTIONS.
# If any of the options begin with a '-', then that option
# is always removed from the selected build options, e.g.
#
# PKG_DEFAULT_OPTIONS= kerberos ldap sasl
# PKG_OPTIONS_VAR= WIBBLE_OPTIONS
# WIBBLE_OPTIONS= ${PKG_DEFAULT_OPTIONS} -sasl
# # implies PKG_OPTIONS == "kerberos ldap"
# or
# PKG_OPTIONS_VAR= WIBBLE_OPTIONS
# WIBBLE_OPTIONS= kerberos -ldap ldap
# # implies PKG_OPTIONS == "kerberos"
#
# This variable should be set in /etc/mk.conf.
#
# PKG_FAIL_UNSUPPORTED_OPTIONS
# If this is set to "yes", then the presence of unsupported
# options in PKG_OPTIONS.<pkg> (see below) causes the build
# to fail. Set this to "no" to silently ignore unsupported
# options. Default: "no".
#
# After including this file, the following variables are defined:
#
# PKG_OPTIONS
# This is the list of the selected build options, properly
# filtered to remove unsupported and duplicate options.
#
# Example usage:
#
# -------------8<-------------8<-------------8<-------------8<-------------
# # Global and legacy options
# .if defined(WIBBLE_USE_OPENLDAP) && !empty(WIBBLE_USE_OPENLDAP:M[yY][eE][sS])
# PKG_DEFAULT_OPTIONS+= ldap
# .endif
# .if defined(WIBBLE_USE_SASL2) && !empty(WIBBLE_USE_SASL2:M[yY][eE][sS])
# PKG_DEFAULT_OPTIONS+= sasl
# .endif
#
# PKG_OPTIONS_VAR= PKG_OPTIONS.wibble
# PKG_SUPPORTED_OPTIONS= ldap sasl
# #
# # Default options for ``wibble'' package.
# #
# .if !defined(PKG_OPTIONS.wibble)
# PKG_DEFAULT_OPTIONS+= sasl
# .endif
# .include "../../mk/bsd.options.mk"
#
# # Package-specific option-handling
#
# ###
# ### LDAP support
# ###
# .if !empty(PKG_OPTIONS:Mldap)
# . include "../../databases/openldap/buildlink3.mk"
# CONFIGURE_ARGS+= --enable-ldap=${BUILDLINK_PREFIX.openldap}
# .endif
#
# ###
# ### SASL authentication
# ###
# .if !empty(PKG_OPTIONS:Msasl)
# . include "../../security/cyrus-sasl2/buildlink3.mk"
# CONFIGURE_ARGS+= --enable-sasl=${BUILDLINK_PREFIX.sasl}
# .endif
# -------------8<-------------8<-------------8<-------------8<-------------
.include "../../mk/bsd.prefs.mk"
# Check for variable definitions required before including this file.
.if !defined(PKG_SUPPORTED_OPTIONS)
PKG_FAIL_REASON+= "bsd.options.mk: PKG_SUPPORTED_OPTIONS is not defined."
.endif
.if !defined(PKG_OPTIONS_VAR)
PKG_FAIL_REASON+= "bsd.options.mk: PKG_OPTIONS_VAR is not defined."
.endif
# If none of the variables listed in PKG_OPTIONS_VAR is defined, then use
# the global options provided in ${PKG_DEFAULT_OPTIONS}.
#
_PKG_DEFAULT_OPTIONS= # empty
.for _opt_ in ${PKG_DEFAULT_OPTIONS}
. if !empty(PKG_SUPPORTED_OPTIONS:M${_opt_})
_PKG_DEFAULT_OPTIONS+= ${_opt_}
. endif
.endfor
.undef _opt_
_PKG_OPTIONS_VAR= # empty
.for _var_ in ${PKG_OPTIONS_VAR}
. if defined(${_var_})
_PKG_OPTIONS_VAR+= ${_var_}
. endif
.endfor
.undef _var_
.if empty(_PKG_OPTIONS_VAR)
_PKG_OPTIONS_VAR= _PKG_DEFAULT_OPTIONS
.endif
# If this is set to "yes", then the presence of unsupported options in
# the variable named by ${PKG_OPTIONS_VAR} causes the build to fail. Set
# this to "no" to silently ignore unsupported options.
#
PKG_FAIL_UNSUPPORTED_OPTIONS?= no
# Separate out the selected options into "positive" and "negative" lists.
_PKG_YES_OPTIONS= # contains the "positive" options
.for _var_ in ${_PKG_OPTIONS_VAR}
_PKG_YES_OPTIONS+= ${${_var_}:N-*}
.endfor
_PKG_NO_OPTIONS= # contains the "negative" options
.for _var_ in ${_PKG_OPTIONS_VAR}
_PKG_NO_OPTIONS+= ${${_var_}:M-*:S/^-//}
.endfor
.undef _var_
# Filter out unsupported and duplicate build options and store the result
# in PKG_OPTIONS. We keep all of the "positive" options first, then remove
# all of the "negative" options last, so "negative" options always have
# the strongest effect.
#
PKG_OPTIONS= # empty
.for _opt_ in ${_PKG_YES_OPTIONS}
. if empty(_PKG_NO_OPTIONS:M${_opt_}) && empty(PKG_OPTIONS:M${_opt_})
. if !empty(PKG_SUPPORTED_OPTIONS:M${_opt_})
PKG_OPTIONS+= ${_opt_}
. elif !empty(PKG_FAIL_UNSUPPORTED_OPTIONS:M[yY][eE][sS])
PKG_FAIL_REASON+= "\"${_opt_}\" is not a supported build option."
. endif
. endif
.endfor
_PKG_OPTIONS_WORDWRAP_FILTER= \
${AWK} ' \
BEGIN { printwidth = 40; line = "" } \
{ \
if (length(line) > 0) \
line = line" "$$0; \
else \
line = $$0; \
if (length(line) > 40) { \
print " "line; \
line = ""; \
} \
} \
END { if (length(line) > 0) print " "line } \
'
.if !defined(_PKG_OPTIONS_AVAILABLE) && defined(PKG_SUPPORTED_OPTIONS) && !empty(PKG_SUPPORTED_OPTIONS)
_PKG_OPTIONS_AVAILABLE!= ${ECHO} ${PKG_SUPPORTED_OPTIONS} | ${XARGS} -n 1 | ${SORT}
.endif
.if !defined(_PKG_OPTIONS_DEFAULT) && defined(PKG_DEFAULT_OPTIONS) && !empty(PKG_DEFAULT_OPTIONS)
_PKG_OPTIONS_DEFAULT!= ${ECHO} ${PKG_DEFAULT_OPTIONS} | ${XARGS} -n 1 | ${SORT}
.endif
.if !defined(_PKG_OPTIONS_ENABLED) && defined(PKG_OPTIONS) && !empty(PKG_OPTIONS)
_PKG_OPTIONS_ENABLED!= ${ECHO} ${PKG_OPTIONS} | ${XARGS} -n 1 | ${SORT}
.endif
.PHONY: show-options
show-options:
@${ECHO} "available: ${_PKG_OPTIONS_AVAILABLE}"
@${ECHO} "default: ${_PKG_OPTIONS_DEFAULT}"
@${ECHO} "enabled: ${_PKG_OPTIONS_ENABLED}"
.if defined(PKG_SUPPORTED_OPTIONS)
.PHONY: supported-options-message
pre-extract: supported-options-message
supported-options-message:
. if !empty(PKG_SUPPORTED_OPTIONS)
@${ECHO} "=========================================================================="
@${ECHO} "The supported build options for this package are:"
@${ECHO} ""
@${ECHO} "${PKG_SUPPORTED_OPTIONS}" | ${XARGS} -n 1 | ${SORT} | \
${_PKG_OPTIONS_WORDWRAP_FILTER}
. if !empty(PKG_OPTIONS)
@${ECHO} ""
@${ECHO} "The currently selected options are:"
@${ECHO} ""
@${ECHO} "${PKG_OPTIONS}" | ${XARGS} -n 1 | ${SORT} | \
${_PKG_OPTIONS_WORDWRAP_FILTER}
. endif
@${ECHO} ""
@${ECHO} "You can select which build options to use by setting the following"
@${ECHO} "variables. Their current value is shown:"
@${ECHO} ""
. for _var_ in ${PKG_OPTIONS_VAR}
. if !defined(${_var_})
@${ECHO} " ${_var_} (not defined)"
. else
@${ECHO} " ${_var_} = ${${_var_}}"
. endif
. endfor
. undef _var_
@${ECHO} ""
@${ECHO} "=========================================================================="
. endif
.endif
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