Makefile.in: Convert to ./ throughout.

* Makefile.in: Convert to ./ throughout.  Rebuild dependencies
with explicit build rules.
(VPATH): Remove.
(.c.o): Poison.
* configure.ac (pexecute, LIBOBJS): Add ./ .
* maint-tool: Build dependencies with explicit rules.

From-SVN: r76366

libiberty/ChangeLog

+2004-01-22  DJ Delorie  <dj@redhat.com>
+
+	* Makefile.in: Convert to ./ throughout.  Rebuild dependencies
+	with explicit build rules.
+	(VPATH): Remove.
+	(.c.o): Poison.
+	* configure.ac (pexecute, LIBOBJS): Add ./ .
+	* maint-tool: Build dependencies with explicit rules.
+
 2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>
 
 	* strdup.c (strdup): Constify the argument.

libiberty/configure.ac

@@ -477,11 +477,11 @@ fi
 
 # Figure out which version of pexecute to use.
 case "${host}" in
-     *-*-mingw* | *-*-winnt*)	pexecute=pex-win32.o  ;;
-     *-*-msdosdjgpp*)		pexecute=pex-djgpp.o  ;;
-     *-*-msdos*)		pexecute=pex-msdos.o  ;;
-     *-*-os2-emx*)		pexecute=pex-os2.o    ;;
-     *)				pexecute=pex-unix.o   ;;
+     *-*-mingw* | *-*-winnt*)	pexecute=./pex-win32.o  ;;
+     *-*-msdosdjgpp*)		pexecute=./pex-djgpp.o  ;;
+     *-*-msdos*)		pexecute=./pex-msdos.o  ;;
+     *-*-os2-emx*)		pexecute=./pex-os2.o    ;;
+     *)				pexecute=./pex-unix.o   ;;
 esac
 AC_SUBST(pexecute)
 
@@ -496,6 +496,15 @@ else
 fi
 AC_SUBST(INSTALL_DEST)
 
+L=""
+for l in x $LIBOBJS; do
+  case $l in
+    x) ;;
+    *) L="$L ./$l" ;;
+  esac
+done
+LIBOBJS="$L"
+
 # We need multilib support, but only if configuring for the target.
 AC_OUTPUT(Makefile testsuite/Makefile,
 [test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h

libiberty/getpwd.c

@@ -35,6 +35,9 @@ extern int errno;
 #if HAVE_SYS_STAT_H
 #include <sys/stat.h>
 #endif
+#if HAVE_LIMITS_H
+#include <limits.h>
+#endif
 
 /* Prototype these in case the system headers don't provide them. */
 extern char *getpwd ();

libiberty/maint-tool

@@ -213,6 +213,12 @@ sub locals_first {
 
 sub deps {
 
+    $crule  = "\tif [ x\"\$(PICFLAG)\" != x ]; then \\\n";
+    $crule .= "\t  \$(COMPILE.c) \$(PICFLAG) \$< -o pic/\$@; \\\n";
+    $crule .= "\telse true; fi\n";
+    $crule .= "\t\$(COMPILE.c) \$< \$(OUTPUT_OPTION)\n";
+    $crule .= "\n";
+
     $incdir = shift @ARGV;
 
     opendir(INC, $incdir);
@@ -260,10 +266,10 @@ sub deps {
 	    @deps = sort { &locals_first($a,$b) } keys %scanned;
 	    $obj = $f;
 	    $obj =~ s/\.c$/.o/;
-	    $obj = "$obj:";
+	    $obj = "./$obj:";
 	    if ($#deps >= 0) {
-		print OUT $obj;
-		$len = length($obj);
+		print OUT "$obj \$(srcdir)/$f";
+		$len = length("$obj $f");
 		for $dt (@deps) {
 		    $d = $mine{$dt};
 		    if ($len + length($d) > 70) {
@@ -275,7 +281,12 @@ sub deps {
 		    }
 		}
 		print OUT "\n";
+	    } else {
+		print OUT "$obj \$(srcdir)/$f\n";
 	    }
+	    $c = $crule;
+	    $c =~ s@\$\<@\$\(srcdir\)\/$f@g;
+	    print OUT $c;
 	}
     }
     closedir(S);