qubes-installer-qubes-os/anaconda/acinclude.m4

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dnl autoconf macros for anaconda
dnl
dnl Copyright (C) 2014 Red Hat, Inc.
dnl
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU Lesser General Public License as published
dnl by the Free Software Foundation; either version 2.1 of the License, or
dnl (at your option) any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU Lesser General Public License for more details.
dnl
dnl You should have received a copy of the GNU Lesser General Public License
dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
dnl ANACONDA_SOFT_FAILURE(MESSAGE)
dnl
dnl Store a message that in some contexts could be considered indicative
dnl of a failure, but in other contexts could be indicative of who cares.
dnl
dnl For example, the anaconda widgets require a version of gtk3-devel of
dnl particular newness, and the widgets will fail to build if this library
dnl and headers are not available. On the other hand, gtk3 isn't required at
dnl all for most everything else, so it would be nice if a missing or old
dnl gtk3-devel didn't halt the configure script.
dnl
dnl Any message sent to this macro will be stored, and they can all be
dnl displayed at the end of configure using the ANACONDA_FAILURES macro.
AC_DEFUN([ANACONDA_SOFT_FAILURE], [dnl
AS_IF([test x"$anaconda_failure_messages" = x],
[anaconda_failure_messages="[$1]"],
[anaconda_failure_messages="$anaconda_failure_messages
[$1]"
])])dnl
dnl ANACONDA_PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES)
dnl
dnl Check whether a module is available, using pkg-config. Instead of failing
dnl if a module is not found, store the failure in a message that can be
dnl printed using the ANACONDA_FAILURES macro.
dnl
dnl The syntax and behavior of VARIABLE-PREFIX and MODULES is the same as for
dnl PKG_CHECK_MODULES.
AC_DEFUN([ANACONDA_PKG_CHECK_MODULES], [dnl
PKG_CHECK_MODULES([$1], [$2], [], [ANACONDA_SOFT_FAILURE($[$1]_PKG_ERRORS)])
])dnl
dnl ANACONDA_PKG_CHECK_EXISTS(MODULES)
dnl
dnl Check whether a module exists, using pkg-config. Instead of failing
dnl if a module is not found, store the failure in a message that can be
dnl printed using the ANACONDA_FAILURES macro.
dnl
dnl The syntax and behavior of MOUDLES is the same as for
dnl PKG_CHECK_EXISTS.
AC_DEFUN([ANACONDA_PKG_CHECK_EXISTS], [dnl
PKG_CHECK_EXISTS([$1], [], [ANACONDA_SOFT_FAILURE([Check for $1 failed])])
])dnl
dnl ANACONDA_FAILURES
dnl
dnl Print the failure messages collected by ANACONDA_SOFT_FAILURE and
dnl ANACONDA_PKG_CHECK_MODULES
AC_DEFUN([ANACONDA_FAILURES], [dnl
AS_IF([test x"$anaconda_failure_messages" = x], [], [dnl
echo ""
echo "*** Anaconda encountered the following issues during configuration:"
echo "$anaconda_failure_messages"
echo ""
echo "*** Anaconda will not successfully build without these missing dependencies"
])])dnl