# $NetBSD: texinfo.mk,v 1.12 2003/06/29 21:25:49 jschauma Exp $
#
# This Makefile fragment is included by bsd.pkg.mk when INFO_FILES and
# USE_NEW_TEXINFO are defined.
#
# Or...
#
# This Makefile fragment is included by packages that provide info files
# and do not _yet_ use the new framework.
#

.if !defined(TEXINFO_MK)
TEXINFO_MK=	# defined

#
# This switch is here only until all packages are converted to use
# the new framework.
#
.if defined(USE_NEW_TEXINFO)
#
# Handle install-info.
# 

# Use bsd.pkg.install.mk framework i.e. INSTALL/DEINSTALL scripts
# to handle install-info execution.
USE_PKGINSTALL=		YES

# Pathname relative to ${PREFIX} of directory holding the info
# files and the Info dir file.
INFO_DIR?=	info

# Does the system have the install-info command?
# Any version will fit (really?).
_INSTALL_INFO=
.for _i_ in /usr/bin/install-info /sbin/install-info
.  if exists(${_i_})
_INSTALL_INFO=			${_i_}
.  endif
.endfor

# If no install-info was found provide one with the pkg_install-info package.
# And set INSTALL_INFO to the install-info command it provides.
.if empty(_INSTALL_INFO)
_PKG_INSTALL_INFO_PREFIX_DEFAULT=	${LOCALBASE}
DEPENDS+=	pkg_install-info-[0-9]*:../../pkgtools/pkg_install-info
EVAL_PREFIX+=	_PKG_INSTALL_INFO_PREFIX=pkg_install-info
INSTALL_INFO=	${_PKG_INSTALL_INFO_PREFIX}/bin/pkg_install-info
.else
INSTALL_INFO=	${_INSTALL_INFO}
.endif

# Generate INSTALL/DEINSTALL scripts code for handling install-info.
INSTALL_EXTRA_TMPL+=	${.CURDIR}/../../mk/install/install-info
DEINSTALL_EXTRA_TMPL+=	${.CURDIR}/../../mk/install/install-info
FILES_SUBST+=		INFO_FILES=${INFO_FILES:Q}
FILES_SUBST+=		INSTALL_INFO=${INSTALL_INFO:Q}
FILES_SUBST+=		INFO_DIR=${INFO_DIR:Q}

# When not using buildlink2 set INSTALL_INFO in environment to ${ECHO}
# so the package build/install step does not register itself the info
# files as this is the job of the INSTALL script.
# WARNING: this is far from being failsafe.
# When not using buildlink2 patch files so that install-info is _not_
# run are likely to be needed.
.if !empty(USE_BUILDLINK2:M[nN][oO])
CONFIGURE_ENV+=		INSTALL_INFO="${TRUE}"
MAKE_ENV+=		INSTALL_INFO="${TRUE}"
.endif

#
# Handle makeinfo if requested.
#

# Minimum required version for the GNU makeinfo command.
TEXINFO_REQD?=	3.12

# By default makeinfo is not needed for building.
USE_MAKEINFO?=		NO

.if empty(USE_MAKEINFO:M[nN][oO])

MAKEINFO_ARGS+=         ${_OPSYS_MAKEINFO_ARGS}

# Does the system has a makeinfo command?
_MAKEINFO=
.  for _i_ in /usr/bin/makeinfo
.    if exists(${_i_})
_MAKEINFO=	${_i_}
.    endif
.  endfor

# Record makeinfo's version.
# If makeinfo's version contains useful information outside [0-9].[0-9],
# the following would have to be changed as well as the comparison below.
.  if !empty(_MAKEINFO) && !defined(MAKEINFO_VERSION)
MAKEINFO_VERSION_OUTPUT!=	${_MAKEINFO} --version 2>/dev/null || ${ECHO}
MAKEINFO_VERSION=${MAKEINFO_VERSION_OUTPUT:M[0-9]*.[0-9]*:C/[^0-9.]//}
MAKEFLAGS+=			MAKEINFO_VERSION=${MAKEINFO_VERSION}
.  endif

# Sort out if the version provided by devel/gtexinfo is needed.
# If it is add it as build time dependency and set MAKEINFO
# to the makeinfo it provides.
# Here it is assumed devel/gtexinfo's makeinfo version will be
# superior or equal to TEXINFO_REQD.
_NEED_TEXINFO=		YES
.  if defined(MAKEINFO_VERSION) && ${MAKEINFO_VERSION} >= ${TEXINFO_REQD}
_NEED_TEXINFO=		NO
.  endif
.  if !empty(_NEED_TEXINFO:M[yY][eE][sS])
BUILD_DEPENDS+=		gtexinfo>=${TEXINFO_REQD}:../../devel/gtexinfo
_GTEXINFO_PREFIX_DEFAULT=	${LOCALBASE}
EVAL_PREFIX+=		_GTEXINFO_PREFIX=gtexinfo
MAKEINFO=		${_GTEXINFO_PREFIX}/bin/makeinfo ${MAKEINFO_ARGS}
.  else
MAKEINFO=		${_MAKEINFO} ${MAKEINFO_ARGS}
.  endif

# When not using buildlink2 set MAKEINFO in environment to the pathname
# of the right makeinfo command.
.  if !empty(USE_BUILDLINK2:M[nN][oO])
CONFIGURE_ENV+=		MAKEINFO="${MAKEINFO}"
MAKE_ENV+=		MAKEINFO="${MAKEINFO}"
.  endif

.else # !USE_MAKEINFO
# When not using buildlink2 set MAKEINFO in environment to ${FALSE}
.  if !empty(USE_BUILDLINK2:M[nN][oO])
CONFIGURE_ENV+=		MAKEINFO="${FALSE}"
MAKE_ENV+=		MAKEINFO="${FALSE}"
.  endif
.endif # USE_MAKEINFO

##############################################################
.else # !USE_NEW_TEXINFO
# Obsolete handling below... Will go away ASAP.

# Does the system have the GNU texinfo tools and if yes, what version are they?
_INSTALL_INFO=
.for _i_ in /usr/bin/install-info /sbin/install-info
.  if exists(${_i_})
_INSTALL_INFO=	${_i_}
.  endif
.endfor
.if !empty(_INSTALL_INFO)
.  if !defined(INSTALL_INFO_VERSION)
_INSTALL_INFO_VERSION_OUTPUT!=  ${_INSTALL_INFO} --version 2>/dev/null || ${ECHO}
# If the install-info version contains useful information outside [0-9].[0-9],
# the following would have to be changed as well as the comparison below
INSTALL_INFO_VERSION=${_INSTALL_INFO_VERSION_OUTPUT:M[0-9]*.[0-9]*:C/[^0-9.]//}
MAKEFLAGS+=		INSTALL_INFO_VERSION=${INSTALL_INFO_VERSION}
.  endif
.endif

# Minimum required version for the GNU texinfo tools.
TEXINFO_REQD?=	3.12

# Sort out if we need the version provided by devel/gtexinfo.
.if defined(INSTALL_INFO_VERSION)
.  if ${INSTALL_INFO_VERSION} < ${TEXINFO_REQD}
_NEED_TEXINFO=	# defined
.  endif
.else
_NEED_TEXINFO=	# defined
.endif

.if defined(_NEED_TEXINFO)
DEPENDS+=		gtexinfo>=${TEXINFO_REQD}:../../devel/gtexinfo
_GTEXINFO_PREFIX_DEFAULT=${LOCALBASE}
EVAL_PREFIX+=		_GTEXINFO_PREFIX=gtexinfo
INSTALL_INFO=	${_GTEXINFO_PREFIX}/bin/install-info
MAKEINFO=	${_GTEXINFO_PREFIX}/bin/makeinfo
.else
INSTALL_INFO=	${_INSTALL_INFO}
MAKEINFO=	/usr/bin/makeinfo	# we assume it!
.endif

#
# Advertise in environment which install-info and makeinfo should be used.
#
CONFIGURE_ENV+=	MAKEINFO="${MAKEINFO}" INSTALL_INFO="${INSTALL_INFO}"
MAKE_ENV+=	MAKEINFO="${MAKEINFO}" INSTALL_INFO="${INSTALL_INFO}"

#
# Another way would be to use ${SED} to substitute @MAKEINFO@, @INSTALL_INFO@
# and bare makeinfo and install-info words  in target rules commands and in
# Makefiles variable assignments for the files matching ${TEXINFO_PATTERNS}.
#
# Note: there are embedded tabs in some variables below.
#
TEXINFO_OVERRIDE?=	NO

.if defined(TEXINFO_OVERRIDE) && (${TEXINFO_OVERRIDE} == "YES")
TEXINFO_PATTERNS+=	Makefile.in
# replace @MAKEINFO@ and @INSTALL_INFO@ respectively with ${MAKEINFO} and
# ${INSTALL_INFO}
TEXINFO_VAR_SUBST+=	MAKEINFO=${MAKEINFO:Q}
TEXINFO_VAR_SUBST+=	INSTALL_INFO=${INSTALL_INFO:Q}
TEXINFO_SUBST_SED+=	${TEXINFO_VAR_SUBST:S/=/@!/:S/$/!g/:S/^/ -e s!@/}
# replace bare makeinfo and install-info in MAKEINFO and INSTALL_INFO variables
# assignments
TEXINFO_SUBST_SED+=	-e 's!^MAKEINFO[ 	]*=[ 	]*makeinfo[ 	]*\(.*\)$$!MAKEINFO = ${MAKEINFO} \1!'
TEXINFO_SUBST_SED+=	-e 's!^INSTALL_INFO[ 	]*=[ 	]*install-info[ 	]*\(.*\)$$!INSTALL_INFO = ${INSTALL_INFO} \1!'
# replace bare makeinfo and install-info commands in Makefile target rules
TEXINFO_SUBST_SED+=	-e "s!^\(	.*\)\([ 	]\)makeinfo\([ 	]\)!\1\2${MAKEINFO}\3!g"
TEXINFO_SUBST_SED+=	-e "s!^\(	.*\)\([ 	'(]\)install-info\([ 	]\)!\1\2${INSTALL_INFO}\3!g"

_CONFIGURE_PREREQ+=	texinfo-override
texinfo-override:
	${_PKG_SILENT}${_PKG_DEBUG}					\
	(for _PATTERN in ${TEXINFO_PATTERNS}; do			\
	  ${FIND} ${WRKSRC} -type f -name "$$_PATTERN" -print;		\
	done; ) | ( while read _F ; do					\
		${SED} ${TEXINFO_SUBST_SED} "$$_F" > "$$_F.new" &&	\
		${MV} "$$_F.new" "$$_F";				\
	done )
.endif # TEXINFO_OVERRIDE

.endif # USE_NEW_TEXINFO

.endif # TEXINFO_MK