Diffstat (limited to 'compile')
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+# Wrapper for compilers which do not understand `-c -o'.
+# Copyright 1999, 2000 Free Software Foundation, Inc.
+# Written by Tom Tromey <firstname.lastname@example.org>.
+# 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.
+# compile PROGRAM [ARGS]...
+# `-o FOO.o' is removed from the args passed to the actual compile.
+while test $# -gt 0; do
+ case "$1" in
+ # configure might choose to run compile as `compile cc -o foo foo.c'.
+ # So we do something ugly here.
+ case "$ofile" in
+ *.o | *.obj)
+ args="$args -o $ofile"
+ args="$args $1"
+ args="$args $1"
+if test -z "$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
+# 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
+ sleep 1
+# FIXME: race condition here if user kills between mkdir and trap.
+trap "rmdir $lockdir; exit 1" 1 2 15
+# Run the compile.
+if test -f "$cofile"; then
+ mv "$cofile" "$ofile"