82 lines
2.9 KiB
Bash
82 lines
2.9 KiB
Bash
#!/bin/bash
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#
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# Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation.
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#
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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#
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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# or visit www.oracle.com if you need additional information or have any
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# questions.
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#
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generate_configure_script() {
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# First create a header
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cat > $1 << EOT
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#!/bin/bash
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#
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# ##########################################################
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# ### THIS FILE IS AUTOMATICALLY GENERATED. DO NOT EDIT. ###
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# ##########################################################
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#
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EOT
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# Then replace "magic" variables in configure.ac and append the output
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# from autoconf. $2 is either cat (just a no-op) or a filter.
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cat $script_dir/configure.ac | sed -e "s|@DATE_WHEN_GENERATED@|$TIMESTAMP|" | \
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eval $2 | ${AUTOCONF} -W all -I$script_dir - >> $1
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rm -rf autom4te.cache
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}
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script_dir=`dirname $0`
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# Create a timestamp as seconds since epoch
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if test "x`uname -s`" = "xSunOS"; then
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TIMESTAMP=`date +%s`
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if test "x$TIMESTAMP" = "x%s"; then
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# date +%s not available on this Solaris, use workaround from nawk(1):
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TIMESTAMP=`nawk 'BEGIN{print srand()}'`
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fi
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else
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TIMESTAMP=`date +%s`
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fi
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AUTOCONF="`which autoconf 2> /dev/null | grep -v '^no autoconf in'`"
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if test "x${AUTOCONF}" = x; then
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echo "You need autoconf installed to be able to regenerate the configure script"
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echo "Error: Cannot find autoconf" 1>&2
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exit 1
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fi
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autoconf_version=`$AUTOCONF --version | head -1`
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echo "Using autoconf at ${AUTOCONF} [$autoconf_version]"
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echo "Generating generated-configure.sh"
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generate_configure_script "$script_dir/generated-configure.sh" 'cat'
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if test "x$CUSTOM_CONFIG_DIR" != "x"; then
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custom_hook=$CUSTOM_CONFIG_DIR/custom-hook.m4
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if test ! -e $custom_hook; then
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echo "CUSTOM_CONFIG_DIR set but $CUSTOM_CONFIG_DIR/custom-hook.m4 not present"
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echo "Error: Cannot continue" 1>&2
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exit 1
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fi
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# We have custom sources available; also generate configure script
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# with custom hooks compiled in.
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echo "Generating custom generated-configure.sh"
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generate_configure_script "$CUSTOM_CONFIG_DIR/generated-configure.sh" 'sed -e "s|#CUSTOM_AUTOCONF_INCLUDE|m4_include([$custom_hook])|"'
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fi
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