projects/sample/autoconf/AutoRegen.sh

   1 #!/bin/sh
   2 die () {
   3         echo "$@" 1>&2
   4         exit 1
   5 }
   6 test -d autoconf && test -f autoconf/configure.ac && cd autoconf
   7 test -f configure.ac || die "Can't find 'autoconf' dir; please cd into it first"
   8 autoconf --version | egrep '2\.5[0-9]' > /dev/null
   9 if test $? -ne 0 ; then
  10   die "Your autoconf was not detected as being 2.5x"
  11 fi
  12 cwd=`pwd`
  13 if test -d ../../../autoconf/m4 ; then
  14   cd ../../../autoconf/m4
  15   llvm_m4=`pwd`
  16   llvm_src_root=../../..
  17   llvm_obj_root=../../..
  18   cd $cwd
  19 elif test -d ../../llvm/autoconf/m4 ; then
  20   cd ../../llvm/autoconf/m4
  21   llvm_m4=`pwd`
  22   llvm_src_root=../..
  23   llvm_obj_root=../..
  24   cd $cwd
  25 else
  26   while true ; do
  27     echo "LLVM source root not found."
  28     read -p "Enter full path to LLVM source:"
  29     if test -d "$REPLY/autoconf/m4" ; then
  30       llvm_src_root="$REPLY"
  31       llvm_m4="$REPLY/autoconf/m4"
  32       read -p "Enter full path to LLVM objects (empty for same as source):"
  33       if test -d "$REPLY" ; then
  34         llvm_obj_root="$REPLY"
  35       else
  36         llvm_obj_root="$llvm_src_root"
  37       fi
  38       break
  39     fi
  40   done
  41 fi
  42 # Patch the LLVM_ROOT in configure.ac, if it needs it
  43 cp configure.ac configure.bak
  44 sed -e "s#^LLVM_SRC_ROOT=.*#LLVM_SRC_ROOT=\"$llvm_src_root\"#" \
  45     -e "s#^LLVM_OBJ_ROOT=.*#LLVM_OBJ_ROOT=\"$llvm_obj_root\"#" configure.bak > configure.ac
  46 echo "Regenerating aclocal.m4 with aclocal"
  47 rm -f aclocal.m4
  48 aclocal -I $llvm_m4 -I "$llvm_m4/.." || die "aclocal failed"
  49 echo "Regenerating configure with autoconf 2.5x"
  50 autoconf --warnings=all -o ../configure configure.ac || die "autoconf failed"
  51 cd ..
  52 exit 0