1 #!/bin/bash 2 # 3 # Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved. 4 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 # 6 # This code is free software; you can redistribute it and/or modify it 7 # under the terms of the GNU General Public License version 2 only, as 8 # published by the Free Software Foundation. 9 # 10 # This code is distributed in the hope that it will be useful, but WITHOUT 11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 # version 2 for more details (a copy is included in the LICENSE file that 14 # accompanied this code). 15 # 16 # You should have received a copy of the GNU General Public License version 17 # 2 along with this work; if not, write to the Free Software Foundation, 18 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 # 20 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 # or visit www.oracle.com if you need additional information or have any 22 # questions. 23 # 24 25 generate_configure_script() { 26 # First create a header 27 cat > $1 << EOT 28 #!/bin/bash 29 # 30 # ########################################################## 31 # ### THIS FILE IS AUTOMATICALLY GENERATED. DO NOT EDIT. ### 32 # ########################################################## 33 # 34 EOT 35 # Then replace "magic" variables in configure.ac and append the output 36 # from autoconf. $2 is either cat (just a no-op) or a filter. 37 cat $script_dir/configure.ac | sed -e "s|@DATE_WHEN_GENERATED@|$TIMESTAMP|" | \ 38 eval $2 | ${AUTOCONF} -W all -I$script_dir - >> $1 39 rm -rf autom4te.cache 40 } 41 42 script_dir=`dirname $0` 43 44 # Create a timestamp as seconds since epoch 45 if test "x`uname -s`" = "xSunOS"; then 46 TIMESTAMP=`date +%s` 47 if test "x$TIMESTAMP" = "x%s"; then 48 # date +%s not available on this Solaris, use workaround from nawk(1): 49 TIMESTAMP=`nawk 'BEGIN{print srand()}'` 50 fi 51 else 52 TIMESTAMP=`date +%s` 53 fi 54 55 AUTOCONF="`which autoconf 2> /dev/null | grep -v '^no autoconf in'`" 56 57 if test "x${AUTOCONF}" = x; then 58 echo "You need autoconf installed to be able to regenerate the configure script" 59 echo "Error: Cannot find autoconf" 1>&2 60 exit 1 61 fi 62 63 autoconf_version=`$AUTOCONF --version | head -1` 64 echo "Using autoconf at ${AUTOCONF} [$autoconf_version]" 65 66 echo "Generating generated-configure.sh" 67 generate_configure_script "$script_dir/generated-configure.sh" 'cat' 68 69 if test "x$CUSTOM_CONFIG_DIR" != "x"; then 70 custom_hook=$CUSTOM_CONFIG_DIR/custom-hook.m4 71 if test ! -e $custom_hook; then 72 echo "CUSTOM_CONFIG_DIR set but $CUSTOM_CONFIG_DIR/custom-hook.m4 not present" 73 echo "Error: Cannot continue" 1>&2 74 exit 1 75 fi 76 77 # We have custom sources available; also generate configure script 78 # with custom hooks compiled in. 79 echo "Generating custom generated-configure.sh" 80 generate_configure_script "$CUSTOM_CONFIG_DIR/generated-configure.sh" 'sed -e "s|#CUSTOM_AUTOCONF_INCLUDE|m4_include([$custom_hook])|"' 81 fi