1#!/bin/sh 2die () { 3 echo "$@" 1>&2 4 exit 1 5} 6test -d autoconf && test -f autoconf/configure.ac && cd autoconf 7test -f configure.ac || die "Can't find 'autoconf' dir; please cd into it first" 8autoconf --version | egrep '2\.[56][0-9]' > /dev/null 9if test $? -ne 0 ; then 10 die "Your autoconf was not detected as being 2.5x or 2.6x" 11fi 12cwd=`pwd` 13if test -d ../../../autoconf/m4 ; then 14 cd ../../../autoconf/m4 15 llvm_m4=`pwd` 16 llvm_src_root=../.. 17 llvm_obj_root=../.. 18 cd $cwd 19elif 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 $cwd 25else 26 while true ; do 27 echo "LLVM source root not found." 28 read -p "Enter full path to LLVM source:" REPLY 29 if test -d "$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):" REPLY 33 if test -d "$REPLY" ; then 34 llvm_obj_root="$REPLY" 35 else 36 llvm_obj_root="$llvm_src_root" 37 fi 38 break 39 fi 40 done 41fi 42# Patch the LLVM_ROOT in configure.ac, if it needs it 43cp configure.ac configure.bak 44sed -e "s#^LLVM_SRC_ROOT=.*#LLVM_SRC_ROOT=\"$llvm_src_root\"#" \ 45 -e "s#^LLVM_OBJ_ROOT=.*#LLVM_OBJ_ROOT=\"$llvm_obj_root\"#" configure.bak > configure.ac 46echo "Regenerating aclocal.m4 with aclocal" 47rm -f aclocal.m4 48aclocal -I $llvm_m4 -I "$llvm_m4/.." || die "aclocal failed" 49echo "Regenerating configure with autoconf" 50autoconf --warnings=all -o ../configure configure.ac || die "autoconf failed" 51cd .. 52exit 0 53