# Copyright 1999-2004 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 # $Header: /var/cvsroot/gentoo-x86/eclass/confutils.eclass,v 1.12 2004/08/24 20:55:43 stuart Exp $ # # eclass/confutils.eclass # Utility functions to help with configuring a package # # Based on Stuart's work for the PHP 5 eclass # # Author(s) Stuart Herbert # <stuart@gentoo.org> # # ======================================================================== IUSE="$IUSE shared" # ======================================================================== # list of USE flags that need deps that aren't yet in Portage # this list was originally added for PHP CONFUTILS_MISSING_DEPS="adabas birdstep db2 dbmaker empress empress-bcs esoob frontbase hyperwave-api informix ingres interbase mnogosearch msession msql oci8 oracle7 ovrimos pfpro sapdb solid sybase sybase-ct" # ======================================================================== # confutils_init () # # Call this function from your src_compile() function to initialise # this eclass first confutils_init () { if useq shared ; then shared="=shared" else shared= fi } # ======================================================================== # confutils_use_conflict () # # Use this function to automatically complain to the user if conflicting # USE flags have been enabled # # $1 - flag that depends on other flags # $2 .. - flags that conflict confutils_use_conflict () { if ! useq $1 ; then return fi local my_flag="$1" shift local my_present= local my_remove= while [ "$1+" != "+" ]; do if useq $1 ; then my_present="${my_present} $1" my_remove="${my_remove} -$1" fi shift done if [ -n "$my_present" ]; then echo eerror "USE flag '$my_flag' conflicts with these USE flag(s):" eerror " $my_present" eerror eerror "You must disable these conflicting flags before you can emerge this package." eerror "You can do this by disabling these flags in /etc/portage/package.use:" eerror " =$CATEGORY/$PN-$PVR $my_remove" eerror die "Conflicting USE flags" fi } # ======================================================================== # confutils_use_depend_all () # # Use this function to automatically complain to the user if a USE flag # depends on another USE flag that hasn't been enabled # # $1 - flag that depends on other flags # $2 .. - the flags that must be set for $1 to be valid confutils_use_depend_all () { if ! useq $1 ; then return fi local my_flag="$1" shift local my_missing= while [ "$1+" != "+" ]; do if ! useq $1 ; then my_missing="${my_missing} $1" fi shift done if [ -n "$my_missing" ]; then echo eerror "USE flag '$my_flag' needs these additional flag(s) set:" eerror " $my_missing" eerror eerror "You can do this by enabling these flags in /etc/portage/package.use:" eerror " =$CATEGORY/$PN-$PVR $my_missing" eerror eerror "You could disable this flag instead in /etc/portage/package.use:" eerror " =$CATEGORY/$PN-$PVR -$my_flag" echo die "Need missing USE flags" fi } # ======================================================================== # confutils_use_depend_any () # # Use this function to automatically complain to the user if a USE flag # depends on another USE flag that hasn't been enabled # # $1 - flag that depends on other flags # $2 .. - flags that must be set for $1 to be valid confutils_use_depend_any () { if ! useq $1 ; then return fi local my_flag="$1" shift local my_found= local my_missing= while [ "$1+" != "+" ]; do if useq $1 ; then my_found="${my_found} $1" else my_missing="${my_missing} $1" fi shift done if [ -z "$my_found" ]; then echo eerror "USE flag '$my_flag' needs one of these additional flag(s) set:" eerror " $my_missing" eerror eerror "You can do this by enabling one of these flags in /etc/portage/package.use" eerror die "Need missing USE flag" fi } # ======================================================================== # enable_extension_disable () # # Use this function to disable an extension that is enabled by default. # This is provided for those rare configure scripts that don't support # a --enable for the corresponding --disable # # $1 - extension name # $2 - USE flag enable_extension_disable () { if ! useq "$2" ; then my_conf="${my_conf} --disable-$1" fi } # ======================================================================== # enable_extension_enable () # # This function is like use_enable(), except that it knows about # enabling modules as shared libraries, and it supports passing # additional data with the switch # # $1 - extension name # $2 - USE flag # $3 - 1 = support shared, 0 = never support shared # $4 - additional setting for configure enable_extension_enable () { local my_shared if [ "$3" == "1" ]; then if [ "$shared+" != "+" ]; then my_shared="${shared}" if [ "$4+" != "+" ]; then my_shared="${my_shared},$4" fi elif [ "$4+" != "+" ]; then my_shared="=$4" fi else if [ "$4+" != "+" ]; then my_shared="=$4" fi fi if useq $2 ; then my_conf="${my_conf} --enable-$1$my_shared" else my_conf="${my_conf} --disable-$1" fi } # ======================================================================== # enable_extension_without () # # Use this function to disable an extension that is enabled by default # This function is provided for those rare configure scripts that support # --without but not the corresponding --with # # $1 - extension name # $2 - USE flag enable_extension_without () { if ! useq "$2" ; then my_conf="${my_conf} --without-$1" fi } # ======================================================================== # enable_extension_with () # # This function is a replacement for use_with. It supports building # extensions as shared libraries, # $1 - extension name # $2 - USE flag # $3 - 1 = support shared, 0 = never support shared # $4 - additional setting for configure enable_extension_with () { local my_shared if [ "$3" == "1" ]; then if [ "$shared+" != "+" ]; then my_shared="${shared}" if [ "$4+" != "+" ]; then my_shared="${my_shared},$4" fi elif [ "$4+" != "+" ]; then my_shared="=$4" fi else if [ "$4+" != "+" ]; then my_shared="=$4" fi fi if useq $2 ; then my_conf="${my_conf} --with-$1$my_shared" else my_conf="${my_conf} --without-$1" fi } # ======================================================================== # confutils_warn_about_external_deps confutils_warn_about_missing_deps () { local x local my_found=0 for x in $CONFUTILS_MISSING_DEPS ; do if useq $x ; then ewarn "USE flag $x enables support for software not in Portage" my_found=1 fi done if [ "$my_found" = "1" ]; then ewarn ewarn "This ebuild will continue, but if you haven't already installed the" ewarn "software required to satisfy the list above, this package will probably" ewarn "fail to compile." ewarn sleep 5 fi }