smart-autogen.sh

   1 #!/bin/sh
   2
   3 srcdir=${srcdir:-.}
   4 set -ux
   5
   6 AUTOGEN_INPUT_CHECKSUM=`cat $srcdir/configure.ac $srcdir/aclocal.m4 | md5sum | cut -b 1-32`
   7
   8 CHECKSUM_FILE=autogen.checksum
   9
  10 if test `cat $CHECKSUM_FILE`"" = "$AUTOGEN_INPUT_CHECKSUM"; then
  11   exit 0
  12 fi
  13
  14 ( set +ux; echo Invoking autogen.sh...; ${srcdir}/autogen.sh "$@" ) || exit 1
  15 printf "%s" $AUTOGEN_INPUT_CHECKSUM > $CHECKSUM_FILE