New file, used to build sha* programs from md5sum.c.

1 files changed, 136 insertions, 0 deletions

diff --git a/build-aux/compile b/build-aux/compile
new file mode 100644
index 000000000..a81e000ae
--- /dev/null
+++ b/build-aux/compile
@@ -0,0 +1,136 @@
+#! /bin/sh
+# Wrapper for compilers which do not understand `-c -o'.
+
+scriptversion=2003-11-09.00
+
+# Copyright (C) 1999, 2000, 2003 Free Software Foundation, Inc.
+# Written by Tom Tromey <tromey@cygnus.com>.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# This file is maintained in Automake, please report
+# bugs to <bug-automake@gnu.org> or send patches to
+# <automake-patches@gnu.org>.
+
+case $1 in
+  '')
+     echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
+     exit 1;
+     ;;
+  -h | --h*)
+    cat <<\EOF
+Usage: compile [--help] [--version] PROGRAM [ARGS]
+
+Wrapper for compilers which do not understand `-c -o'.
+Remove `-o dest.o' from ARGS, run PROGRAM with the remaining
+arguments, and rename the output as expected.
+
+If you are trying to build a whole package this is not the
+right script to run: please start by reading the file `INSTALL'.
+
+Report bugs to <bug-automake@gnu.org>.
+EOF
+    exit 0
+    ;;
+  -v | --v*)
+    echo "compile $scriptversion"
+    exit 0
+    ;;
+esac
+
+
+prog=$1
+shift
+
+ofile=
+cfile=
+args=
+while test $# -gt 0; do
+  case "$1" in
+    -o)
+      # configure might choose to run compile as `compile cc -o foo foo.c'.
+      # So we do something ugly here.
+      ofile=$2
+      shift
+      case "$ofile" in
+	*.o | *.obj)
+	  ;;
+	*)
+	  args="$args -o $ofile"
+	  ofile=
+	  ;;
+      esac
+       ;;
+    *.c)
+      cfile=$1
+      args="$args $1"
+      ;;
+    *)
+      args="$args $1"
+      ;;
+  esac
+  shift
+done
+
+if test -z "$ofile" || test -z "$cfile"; then
+  # If no `-o' option was seen then we might have been invoked from a
+  # pattern rule where we don't need one.  That is ok -- this is a
+  # normal compilation that the losing compiler can handle.  If no
+  # `.c' file was seen then we are probably linking.  That is also
+  # ok.
+  exec "$prog" $args
+fi
+
+# Name of file we expect compiler to create.
+cofile=`echo $cfile | sed -e 's|^.*/||' -e 's/\.c$/.o/'`
+
+# Create the lock directory.
+# Note: use `[/.-]' here to ensure that we don't use the same name
+# that we are using for the .o file.  Also, base the name on the expected
+# object file name, since that is what matters with a parallel build.
+lockdir=`echo $cofile | sed -e 's|[/.-]|_|g'`.d
+while true; do
+  if mkdir $lockdir > /dev/null 2>&1; then
+    break
+  fi
+  sleep 1
+done
+# FIXME: race condition here if user kills between mkdir and trap.
+trap "rmdir $lockdir; exit 1" 1 2 15
+
+# Run the compile.
+"$prog" $args
+status=$?
+
+if test -f "$cofile"; then
+  mv "$cofile" "$ofile"
+fi
+
+rmdir $lockdir
+exit $status
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-end: "$"
+# End: