autogen.sh

   1 #!/bin/sh -x
   2 #
   3 # Run this script to regenerate autoconf files
   4 #
   5 recheck=false
   6 if [ x"$1" = x--recheck ]; then
   7     recheck=true
   8     config=$(sh config.status --config 2>/dev/null)
   9 fi
  10
  11 # This allows for overriding the default autoconf programs
  12 AUTOCONF="${AUTOCONF:-${AUTOTOOLS_PREFIX}autoconf}"
  13 AUTOMAKE="${AUTOMAKE:-${AUTOTOOLS_PREFIX}automake}"
  14 ACLOCAL="${ACLOCAL:-${AUTOTOOLS_PREFIX}aclocal}"
  15 AUTOHEADER="${AUTOHEADER:-${AUTOTOOLS_PREFIX}autoheader}"
  16
  17 mkdir -p autoconf autoconf/helpers config
  18 autolib="`"$AUTOMAKE" --print-libdir`"
  19 if test ! x"$autolib" = x; then
  20     for prg in install-sh compile config.guess config.sub; do
  21         if test -f "$autolib"/"$prg"; then
  22             cp -f "$autolib"/"$prg" autoconf/helpers
  23         fi
  24     done
  25 fi
  26 mv -f autoconf/aclocal.m4 autoconf/aclocal.m4.old
  27 mkdir -p autoconf/m4.old autoconf/m4
  28 mv -f autoconf/m4/*.m4 autoconf/m4.old/ 2>/dev/null || true
  29 ACLOCAL_PATH="${ACLOCAL_PATH}${ACLOCAL_PATH:+:}`pwd`/autoconf/m4.old"
  30 export ACLOCAL_PATH
  31 "$ACLOCAL" --install --output=autoconf/aclocal.m4 -I autoconf/m4
  32 if test ! -f autoconf/aclocal.m4; then
  33     # aclocal failed, revert to previous files
  34     mv -f autoconf/m4.old/*.m4 autoconf/m4/
  35     mv -f autoconf/aclocal.m4.old autoconf/aclocal.m4
  36 fi
  37 rm -rf autoconf/*m4.old
  38 "$AUTOHEADER" -B autoconf
  39 "$AUTOCONF" -B autoconf
  40 rm -rf autom4te.cache config.log config.status config/config.h Makefile
  41
  42 if $recheck; then
  43     # This bizarre statement has to do with how config.status quotes its output
  44     echo exec sh configure $config | sh -
  45 fi