bootstrap

#! /bin/sh
# Setup autotools infrastructure for the SVN tree.
# This file is not distributed and is only needed for developers.

for dir in build-aux m4; do
  if test ! -d "$dir" && test ! -f "$dir"; then
    mkdir "$dir"
  fi
done

autoreconf --verbose --install --force

# Fixup a nasty bug present even in fairly new depcomp scripts,
# that may show up on BlueGene.
if grep 'makedepend.*VPATH' build-aux/depcomp >/dev/null 2>&1
then :
else
  patch -b -p0 2>/dev/null <<\EOF
--- build-aux/depcomp
+++ build-aux/depcomp
@@ -425,7 +425,9 @@
   touch "$tmpdepfile"
   ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
   rm -f "$depfile"
-  cat < "$tmpdepfile" > "$depfile"
+  # makedepend may prepend the VPATH from the source file name to the object.
+  sed_object_re=`echo $object | sed 's/[].[^$\\*|]/\\\\&/g'`
+  sed "s|^.*\($sed_object_re *:\)|\1|" "$tmpdepfile" > "$depfile"
   sed '1,2d' "$tmpdepfile" | tr ' ' '
 ' | \
 ## Some versions of the HPUX 10.20 sed can't process this invocation
EOF
fi

# Add dependency tracking support for IBM C/C++ xlc/xlC Compilers
if grep 'xlc' build-aux/depcomp >/dev/null 2>&1
then :
else
  patch -b -p0 2>/dev/null <<\EOF
--- build-aux/depcomp.orig
+++ build-aux/depcomp
@@ -102,6 +102,12 @@
    depmode=msvc7
 fi
 
+if test "$depmode" = xlc; then
+   # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency informations.
+   gccflag=-qmakedep=gcc,-MF
+   depmode=gcc
+fi
+
 case "$depmode" in
 gcc3)
 ## gcc 3 implements dependency tracking that does exactly what
@@ -226,6 +232,13 @@
   rm -f "$tmpdepfile"
   ;;
 
+xlc)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
 aix)
   # The C for AIX Compiler uses -M and outputs the dependencies
   # in a .u file.  In older versions, this file always lives in the
EOF
fi

: