Add Fred Fish's LN/LN_S patch.

From-SVN: r15415

9 files changed, 224 insertions, 115 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c43d8c8..85e6932 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,7 +1,3 @@
-Thu Sep 11 11:09:43 1997  Jeffrey A Law  (law@cygnus.com)
-
-	* loop.c (strength_reduce): Fix typo.
-
 Wed Sep 10 21:37:30 1997  Jeffrey A Law  (law@cygnus.com)
 
 	* version.c: Bump for snapshot.
@@ -14,6 +10,17 @@ Wed Sep 10 17:05:46 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
 
 	* config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
 
+Wed Sep 10 16:37:28 1997  Fred Fish  <fnf@ninemoons.com>
+
+	* Makefile.in (LN, LN_S): New macros, use where appropriate.
+	* aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
+	* configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
+	* configure: Regenerated.
+
+Thu Sep 11 11:09:43 1997  Jeffrey A Law  (law@cygnus.com)
+
+	* loop.c (strength_reduce): Fix typo.
+
 Wed Sep 10 16:01:15 1997  Jim Wilson  <wilson@cygnus.com>
 
 	* m88k/m88k.c (struct option): Rename to struct options.
diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index 76e7a7f..725a805 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -77,6 +77,10 @@ DLLTOOL = dlltool
 SHELL = /bin/sh
 # on sysV, define this as cp.
 INSTALL = @INSTALL@
+# Some systems may be missing symbolic links, regular links, or both.
+# Allow configure to check this and use "ln -s", "ln", or "cp" as appropriate.
+LN=@LN@
+LN_S=@LN_S@
 # These permit overriding just for certain files.
 INSTALL_PROGRAM = $(INSTALL)
 INSTALL_DATA = $(INSTALL)
@@ -530,6 +534,8 @@ FLAGS_TO_PASS = \
 	"LDFLAGS=$(LDFLAGS)" \
 	"LEX=$(LEX)" \
 	"LEXFLAGS=$(LEXFLAGS)" \
+	"LN=$(LN)" \
+	"LN_S=$(LN_S)" \
 	"MAKEINFO=$(MAKEINFO)" \
 	"MAKEINFOFLAGS=$(MAKEINFOFLAGS)" \
 	"RANLIB_FOR_TARGET=$(RANLIB_FOR_TARGET)" \
@@ -1187,8 +1193,7 @@ c-iterate.o: c-iterate.c $(CONFIG_H) $(TREE_H) $(RTL_H) c-tree.h flags.h
 # To make a configuration always use collect2, set USE_COLLECT2 to ld.
 ld: collect2
 	rm -f ld$(exeext)
-	ln collect2$(exeext) ld$(exeext) > /dev/null 2>&1 \
-	   || cp collect2$(exeext) ld$(exeext)
+	$(LN) collect2$(exeext) ld$(exeext)
 
 collect2: collect2.o tlink.o hash.o cplus-dem.o underscore.o version.o \
 	choose-temp.o $(LIBDEPS)
@@ -1717,8 +1722,7 @@ bytecode.maintainer-clean: bytecode.clean
 # Making the preprocessor
 cpp: $(CCCP)
 	-rm -f cpp$(exeext)
-	ln $(CCCP)$(exeext) cpp$(exeext) > /dev/null 2>&1 \
-	 || cp $(CCCP)$(exeext) cpp$(exeext)
+	$(LN) $(CCCP)$(exeext) cpp$(exeext)
 cccp: cccp.o cexp.o version.o $(LIBDEPS)
 	$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ cccp.o cexp.o \
 	  version.o $(LIBS)
@@ -2239,9 +2243,7 @@ install-driver: xgcc
 	  rm -f $(bindir)/$(GCC_INSTALL_NAME)$(exeext); \
 	  $(INSTALL_PROGRAM) xgcc$(exeext) $(bindir)/$(GCC_INSTALL_NAME)$(exeext); \
 	  rm -f $(bindir)/$(target_alias)-gcc-1$(exeext); \
-	  ln $(bindir)/$(GCC_INSTALL_NAME)$(exeext) $(bindir)/$(target_alias)-gcc-1$(exeext) \
-	    > /dev/null 2>&1 \
-	    || cp $(bindir)/$(GCC_INSTALL_NAME)$(exeext) $(bindir)/$(target_alias)-gcc-1$(exeext); \
+	  $(LN) $(bindir)/$(GCC_INSTALL_NAME)$(exeext) $(bindir)/$(target_alias)-gcc-1$(exeext); \
 	  mv $(bindir)/$(target_alias)-gcc-1$(exeext) $(bindir)/$(target_alias)-gcc$(exeext); \
 	fi
 
@@ -2299,6 +2301,7 @@ install-multilib: stmp-multilib installdirs
 install-headers: install-include-dir $(INSTALL_HEADERS_DIR) $(INSTALL_ASSERT_H)
 # Fix symlinks to absolute paths in the installed include directory to
 # point to the installed directory, not the build directory.
+# Don't need to use LN_S here since we really do need ln -s and no substitutes.
 	-files=`cd $(libsubdir)/include; find . -type l -print 2>/dev/null`; \
 	if [ $$? -eq 0 ]; then \
 	  dir=`cd include; pwd`; \
@@ -2509,7 +2512,7 @@ distdir-start: doc $(srcdir)/INSTALL $(srcdir)/c-parse.y $(srcdir)/c-gperf.h \
 	mkdir tmp/ginclude
 	mkdir tmp/objc
 	for file in *[0-9a-zA-Z+]; do \
-	  ln $$file tmp > /dev/null 2>&1 || cp $$file tmp; \
+	  $(LN) $$file tmp; \
 	done
 	cd config; \
 	for file in *[0-9a-zA-Z+]; do \
@@ -2517,25 +2520,22 @@ distdir-start: doc $(srcdir)/INSTALL $(srcdir)/c-parse.y $(srcdir)/c-gperf.h \
 	    mkdir ../tmp/config/$$file; \
 	    cd $$file; \
 	    for subfile in *[0-9a-zA-Z+]; do \
-	      ln $$subfile ../../tmp/config/$$file >/dev/null 2>&1 \
-	      || cp $$subfile ../../tmp/config/$$file; \
+	      $(LN) $$subfile ../../tmp/config/$$file; \
 	    done; \
 	    cd ..; \
 	  else \
-	    ln $$file ../tmp/config >/dev/null 2>&1 \
-	    || cp $$file ../tmp/config; \
+	    $(LN) $$file ../tmp/config; \
 	  fi; \
 	done
 	cd ginclude; \
 	for file in *[0-9a-zA-Z+]; do \
-	  ln $$file ../tmp/ginclude >/dev/null 2>&1 \
-	   || cp $$file ../tmp/ginclude; \
+	  $(LN) $$file ../tmp/ginclude; \
 	done
 	cd objc; \
 	for file in *[0-9a-zA-Z+]; do \
-	  ln $$file ../tmp/objc >/dev/null 2>&1 || cp $$file ../tmp/objc; \
+	  $(LN) $$file ../tmp/objc; \
 	done
-	ln .gdbinit tmp
+	$(LN) .gdbinit tmp
 
 # Finish making `distdir', after the languages have done their thing.
 distdir-finish:
@@ -2609,8 +2609,6 @@ compare: force
 	  exit 1; \
 	else true; \
 	fi
-	
-	
 
 # Similar, but compare with stage3 directory
 compare3: force
@@ -2669,9 +2667,9 @@ stage1-start:
 	-mv $(STAGESTUFF) stage1
 # Copy as/ld if they exist to stage dir, so that running xgcc from the stage
 # dir will work properly.
-	-if [ -f as$(exeext) ] ; then ln -s ../as$(exeext) stage1 || cp as$(exeext) stage1 ; else true ; fi
-	-if [ -f ld$(exeext) ] ; then ln -s ../ld$(exeext) stage1 || cp ld$(exeext) stage1 ; else true ; fi
-	-if [ -f collect-ld$(exeext) ] ; then ln -s ../collect-ld$(exeext) stage1 || cp collect-ld$(exeext) stage1 ; else true ; fi
+	-if [ -f as$(exeext) ] ; then $(LN_S) ../as$(exeext) stage1 ; else true ; fi
+	-if [ -f ld$(exeext) ] ; then $(LN_S) ../ld$(exeext) stage1 ; else true ; fi
+	-if [ -f collect-ld$(exeext) ] ; then $(LN_S) ../collect-ld$(exeext) stage1 ; else true ; fi
 	-rm -f stage1/libgcc.a
 	-cp libgcc.a stage1
 	-if $(RANLIB_TEST) ; then $(RANLIB) stage1/libgcc.a; else true; fi
@@ -2690,9 +2688,9 @@ stage2-start:
 	-mv $(STAGESTUFF) stage2
 # Copy as/ld if they exist to stage dir, so that running xgcc from the stage
 # dir will work properly.
-	-if [ -f as$(exeext) ] ; then ln -s ../as$(exeext) stage2 || cp as$(exeext) stage2 ; else true ; fi
-	-if [ -f ld$(exeext) ] ; then ln -s ../ld$(exeext) stage2 || cp ld$(exeext) stage2 ; else true ; fi
-	-if [ -f collect-ld ] ; then ln -s ../collect-ld$(exeext) stage2 || cp collect-ld$(exeext) stage2 ; else true ; fi
+	-if [ -f as$(exeext) ] ; then $(LN_S) ../as$(exeext) stage2 ; else true ; fi
+	-if [ -f ld$(exeext) ] ; then $(LN_S) ../ld$(exeext) stage2 ; else true ; fi
+	-if [ -f collect-ld ] ; then $(LN_S) ../collect-ld$(exeext) stage2 ; else true ; fi
 	-rm -f stage2/libgcc.a
 	-cp libgcc.a stage2
 	-if $(RANLIB_TEST) ; then $(RANLIB) stage2/libgcc.a; else true; fi
@@ -2711,9 +2709,9 @@ stage3-start:
 	-mv $(STAGESTUFF) stage3
 # Copy as/ld if they exist to stage dir, so that running xgcc from the stage
 # dir will work properly.
-	-if [ -f as$(exeext) ] ; then ln -s ../as$(exeext) stage3 || cp as$(exeext) stage3 ; else true ; fi
-	-if [ -f ld$(exeext) ] ; then ln -s ../ld$(exeext) stage3 || cp ld$(exeext) stage3 ; else true ; fi
-	-if [ -f collect-ld$(exeext) ] ; then ln -s ../collect-ld$(exeext) stage3 || cp collect-ld$(exeext) stage3 ; else true ; fi
+	-if [ -f as$(exeext) ] ; then $(LN_S) ../as$(exeext) stage3 ; else true ; fi
+	-if [ -f ld$(exeext) ] ; then $(LN_S) ../ld$(exeext) stage3 ; else true ; fi
+	-if [ -f collect-ld$(exeext) ] ; then $(LN_S) ../collect-ld$(exeext) stage3 ; else true ; fi
 	-rm -f stage3/libgcc.a
 	-cp libgcc.a stage3
 	-if $(RANLIB_TEST) ; then $(RANLIB) stage3/libgcc.a; else true; fi
@@ -2732,9 +2730,9 @@ stage4-start:
 	-mv $(STAGESTUFF) stage4
 # Copy as/ld if they exist to stage dir, so that running xgcc from the stage
 # dir will work properly.
-	-if [ -f as$(exeext) ] ; then ln -s ../as$(exeext) stage4 || cp as$(exeext) stage4 ; else true ; fi
-	-if [ -f ld$(exeext) ] ; then ln -s ../ld$(exeext) stage4 || cp ld$(exeext) stage4 ; else true ; fi
-	-if [ -f collect-ld$(exeext) ] ; then ln -s ../collect-ld$(exeext) stage4 || cp collect-ld$(exeext) stage4 ; else true ; fi
+	-if [ -f as$(exeext) ] ; then $(LN_S) ../as$(exeext) stage4 ; else true ; fi
+	-if [ -f ld$(exeext) ] ; then $(LN_S) ../ld$(exeext) stage4 ; else true ; fi
+	-if [ -f collect-ld$(exeext) ] ; then $(LN_S) ../collect-ld$(exeext) stage4 ; else true ; fi
 	-rm -f stage4/libgcc.a
 	-cp libgcc.a stage4
 	-if $(RANLIB_TEST) ; then $(RANLIB) stage4/libgcc.a; else true; fi
diff --git a/gcc/aclocal.m4 b/gcc/aclocal.m4
index 6a45a4c..01be979 100644
--- a/gcc/aclocal.m4
+++ b/gcc/aclocal.m4
@@ -25,3 +25,67 @@ if test $gcc_cv_decl_needed_$1 = yes; then
   AC_DEFINE_UNQUOTED($gcc_tr_decl)
 fi
 ])dnl
+
+dnl See if symbolic links work and if not, try to substitute either hard links or simple copy.
+AC_DEFUN(GCC_PROG_LN_S,
+[AC_MSG_CHECKING(whether ln -s works)
+AC_CACHE_VAL(gcc_cv_prog_LN_S,
+[rm -f conftestdata_to
+echo >conftestdata_from
+if ln -s conftestdata_from conftestdata_to 2>/dev/null
+then
+  gcc_cv_prog_LN_S="ln -s"
+else
+  if ln conftestdata_from conftestdata_to 2>/dev/null
+  then
+    gcc_cv_prog_LN_S=ln
+  else
+    gcc_cv_prog_LN_S=cp
+  fi
+fi
+rm -f conftestdata_from conftestdata_to
+])dnl
+LN_S="$gcc_cv_prog_LN_S"
+if test "$gcc_cv_prog_LN_S" = "ln -s"; then
+  AC_MSG_RESULT(yes)
+else
+  if test "$gcc_cv_prog_LN_S" = "ln"; then
+    AC_MSG_RESULT([no, using ln])
+  else
+    AC_MSG_RESULT([no, and neither does ln, so using cp])
+  fi
+fi
+AC_SUBST(LN_S)dnl
+])
+
+dnl See if hard links work and if not, try to substitute either symbolic links or simple copy.
+AC_DEFUN(GCC_PROG_LN,
+[AC_MSG_CHECKING(whether ln works)
+AC_CACHE_VAL(gcc_cv_prog_LN,
+[rm -f conftestdata_to
+echo >conftestdata_from
+if ln conftestdata_from conftestdata_to 2>/dev/null
+then
+  gcc_cv_prog_LN="ln"
+else
+  if ln -s conftestdata_from conftestdata_to 2>/dev/null
+  then
+    gcc_cv_prog_LN="ln -s"
+  else
+    gcc_cv_prog_LN=cp
+  fi
+fi
+rm -f conftestdata_from conftestdata_to
+])dnl
+LN="$gcc_cv_prog_LN"
+if test "$gcc_cv_prog_LN" = "ln"; then
+  AC_MSG_RESULT(yes)
+else
+  if test "$gcc_cv_prog_LN" = "ln -s"; then
+    AC_MSG_RESULT([no, using ln -s])
+  else
+    AC_MSG_RESULT([no, and neither does ln -s, so using cp])
+  fi
+fi
+AC_SUBST(LN)dnl
+])
diff --git a/gcc/configure b/gcc/configure
index 5340f70..5270ece 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -1,7 +1,7 @@
 #! /bin/sh
 
 # Guess values for system-dependent variables and create Makefiles.
-# Generated automatically using autoconf version 2.12 
+# Generated automatically using autoconf version 2.12.1 
 # Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
 #
 # This configure script is free software; the Free Software Foundation
@@ -350,7 +350,7 @@ EOF
     verbose=yes ;;
 
   -version | --version | --versio | --versi | --vers)
-    echo "configure generated by autoconf version 2.12"
+    echo "configure generated by autoconf version 2.12.1"
     exit 0 ;;
 
   -with-* | --with-*)
@@ -704,7 +704,7 @@ esac
 
 
 # Make sure we can run config.sub.
-if $ac_config_sub sun4 >/dev/null 2>&1; then :
+if ${CONFIG_SHELL-/bin/sh} $ac_config_sub sun4 >/dev/null 2>&1; then :
 else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 fi
 
@@ -716,14 +716,14 @@ case "$host_alias" in
 NONE)
   case $nonopt in
   NONE)
-    if host_alias=`$ac_config_guess`; then :
+    if host_alias=`${CONFIG_SHELL-/bin/sh} $ac_config_guess`; then :
     else { echo "configure: error: can not guess host type; you must specify one" 1>&2; exit 1; }
     fi ;;
   *) host_alias=$nonopt ;;
   esac ;;
 esac
 
-host=`$ac_config_sub $host_alias`
+host=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $host_alias`
 host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
@@ -741,7 +741,7 @@ NONE)
   esac ;;
 esac
 
-target=`$ac_config_sub $target_alias`
+target=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $target_alias`
 target_cpu=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 target_vendor=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
@@ -759,7 +759,7 @@ NONE)
   esac ;;
 esac
 
-build=`$ac_config_sub $build_alias`
+build=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $build_alias`
 build_cpu=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 build_vendor=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 build_os=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
@@ -882,31 +882,74 @@ fi
 
 fi
 
+echo $ac_n "checking whether ln works""... $ac_c" 1>&6
+echo "configure:887: checking whether ln works" >&5
+if eval "test \"`echo '$''{'gcc_cv_prog_LN'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  rm -f conftestdata_to
+echo >conftestdata_from
+if ln conftestdata_from conftestdata_to 2>/dev/null
+then
+  gcc_cv_prog_LN="ln"
+else
+  if ln -s conftestdata_from conftestdata_to 2>/dev/null
+  then
+    gcc_cv_prog_LN="ln -s"
+  else
+    gcc_cv_prog_LN=cp
+  fi
+fi
+rm -f conftestdata_from conftestdata_to
+
+fi
+LN="$gcc_cv_prog_LN"
+if test "$gcc_cv_prog_LN" = "ln"; then
+  echo "$ac_t""yes" 1>&6
+else
+  if test "$gcc_cv_prog_LN" = "ln -s"; then
+    echo "$ac_t""no, using ln -s" 1>&6
+  else
+    echo "$ac_t""no, and neither does ln -s, so using cp" 1>&6
+  fi
+fi
+
 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:887: checking whether ln -s works" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
+echo "configure:919: checking whether ln -s works" >&5
+if eval "test \"`echo '$''{'gcc_cv_prog_LN_S'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
-  rm -f conftestdata
-if ln -s X conftestdata 2>/dev/null
+  rm -f conftestdata_to
+echo >conftestdata_from
+if ln -s conftestdata_from conftestdata_to 2>/dev/null
 then
-  rm -f conftestdata
-  ac_cv_prog_LN_S="ln -s"
+  gcc_cv_prog_LN_S="ln -s"
 else
-  ac_cv_prog_LN_S=ln
+  if ln conftestdata_from conftestdata_to 2>/dev/null
+  then
+    gcc_cv_prog_LN_S=ln
+  else
+    gcc_cv_prog_LN_S=cp
+  fi
 fi
+rm -f conftestdata_from conftestdata_to
+
 fi
-LN_S="$ac_cv_prog_LN_S"
-if test "$ac_cv_prog_LN_S" = "ln -s"; then
+LN_S="$gcc_cv_prog_LN_S"
+if test "$gcc_cv_prog_LN_S" = "ln -s"; then
   echo "$ac_t""yes" 1>&6
 else
-  echo "$ac_t""no" 1>&6
+  if test "$gcc_cv_prog_LN_S" = "ln"; then
+    echo "$ac_t""no, using ln" 1>&6
+  else
+    echo "$ac_t""no, and neither does ln, so using cp" 1>&6
+  fi
 fi
 
 # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:910: checking for $ac_word" >&5
+echo "configure:953: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -937,7 +980,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:941: checking for $ac_word" >&5
+echo "configure:984: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_YACC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -977,7 +1020,7 @@ test -n "$YACC" || YACC="yacc"
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:981: checking for a BSD compatible install" >&5
+echo "configure:1024: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1031,7 +1074,7 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1035: checking for $ac_word" >&5
+echo "configure:1078: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1060,7 +1103,7 @@ if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1064: checking for $ac_word" >&5
+echo "configure:1107: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1108,7 +1151,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1112: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:1155: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -1118,11 +1161,11 @@ ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS
 cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext <<EOF
-#line 1122 "configure"
+#line 1165 "configure"
 #include "confdefs.h"
 main(){return(0);}
 EOF
-if { (eval echo configure:1126: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1169: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
@@ -1142,12 +1185,12 @@ if test $ac_cv_prog_cc_works = no; then
   { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:1146: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1189: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:1151: checking whether we are using GNU C" >&5
+echo "configure:1194: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1156,7 +1199,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1160: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1203: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -1171,7 +1214,7 @@ if test $ac_cv_prog_gcc = yes; then
   ac_save_CFLAGS="$CFLAGS"
   CFLAGS=
   echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:1175: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:1218: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1199,7 +1242,7 @@ else
 fi
 
 echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-echo "configure:1203: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "configure:1246: checking whether ${MAKE-make} sets \${MAKE}" >&5
 set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1227,7 +1270,7 @@ fi
 
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1231: checking how to run the C preprocessor" >&5
+echo "configure:1274: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -1242,13 +1285,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 1246 "configure"
+#line 1289 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1252: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1295: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   :
@@ -1259,13 +1302,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 1263 "configure"
+#line 1306 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1269: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1312: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   :
@@ -1291,17 +1334,17 @@ for ac_hdr in stddef.h string.h strings.h stdlib.h time.h unistd.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:1295: checking for $ac_hdr" >&5
+echo "configure:1338: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1300 "configure"
+#line 1343 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1305: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1348: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1329,12 +1372,12 @@ done
 
 
 echo $ac_n "checking whether malloc must be declared""... $ac_c" 1>&6
-echo "configure:1333: checking whether malloc must be declared" >&5
+echo "configure:1376: checking whether malloc must be declared" >&5
 if eval "test \"`echo '$''{'gcc_cv_decl_needed_malloc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1338 "configure"
+#line 1381 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -1355,7 +1398,7 @@ int main() {
 char *(*pfn) = (char *(*)) malloc
 ; return 0; }
 EOF
-if { (eval echo configure:1359: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1402: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_decl_needed_malloc=no
 else
@@ -1377,12 +1420,12 @@ EOF
 fi
 
 echo $ac_n "checking whether realloc must be declared""... $ac_c" 1>&6
-echo "configure:1381: checking whether realloc must be declared" >&5
+echo "configure:1424: checking whether realloc must be declared" >&5
 if eval "test \"`echo '$''{'gcc_cv_decl_needed_realloc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1386 "configure"
+#line 1429 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -1403,7 +1446,7 @@ int main() {
 char *(*pfn) = (char *(*)) realloc
 ; return 0; }
 EOF
-if { (eval echo configure:1407: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1450: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_decl_needed_realloc=no
 else
@@ -1425,12 +1468,12 @@ EOF
 fi
 
 echo $ac_n "checking whether calloc must be declared""... $ac_c" 1>&6
-echo "configure:1429: checking whether calloc must be declared" >&5
+echo "configure:1472: checking whether calloc must be declared" >&5
 if eval "test \"`echo '$''{'gcc_cv_decl_needed_calloc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1434 "configure"
+#line 1477 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -1451,7 +1494,7 @@ int main() {
 char *(*pfn) = (char *(*)) calloc
 ; return 0; }
 EOF
-if { (eval echo configure:1455: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1498: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_decl_needed_calloc=no
 else
@@ -1473,12 +1516,12 @@ EOF
 fi
 
 echo $ac_n "checking whether free must be declared""... $ac_c" 1>&6
-echo "configure:1477: checking whether free must be declared" >&5
+echo "configure:1520: checking whether free must be declared" >&5
 if eval "test \"`echo '$''{'gcc_cv_decl_needed_free'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1482 "configure"
+#line 1525 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -1499,7 +1542,7 @@ int main() {
 char *(*pfn) = (char *(*)) free
 ; return 0; }
 EOF
-if { (eval echo configure:1503: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1546: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_decl_needed_free=no
 else
@@ -1522,12 +1565,12 @@ fi
 
 
 echo $ac_n "checking for sys_siglist declaration in signal.h or unistd.h""... $ac_c" 1>&6
-echo "configure:1526: checking for sys_siglist declaration in signal.h or unistd.h" >&5
+echo "configure:1569: checking for sys_siglist declaration in signal.h or unistd.h" >&5
 if eval "test \"`echo '$''{'ac_cv_decl_sys_siglist'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1531 "configure"
+#line 1574 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -1539,7 +1582,7 @@ int main() {
 char *msg = *(sys_siglist + 1);
 ; return 0; }
 EOF
-if { (eval echo configure:1543: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1586: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_decl_sys_siglist=yes
 else
@@ -1563,12 +1606,12 @@ fi
 for ac_func in strerror
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:1567: checking for $ac_func" >&5
+echo "configure:1610: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1572 "configure"
+#line 1615 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -1591,7 +1634,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1595: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1638: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4712,7 +4755,7 @@ do
     echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion"
     exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;;
   -version | --version | --versio | --versi | --vers | --ver | --ve | --v)
-    echo "$CONFIG_STATUS generated by autoconf version 2.12"
+    echo "$CONFIG_STATUS generated by autoconf version 2.12.1"
     exit 0 ;;
   -help | --help | --hel | --he | --h)
     echo "\$ac_cs_usage"; exit 0 ;;
@@ -4771,6 +4814,7 @@ s%@build_os@%$build_os%g
 s%@AWK@%$AWK%g
 s%@LEX@%$LEX%g
 s%@LEXLIB@%$LEXLIB%g
+s%@LN@%$LN%g
 s%@LN_S@%$LN_S%g
 s%@RANLIB@%$RANLIB%g
 s%@YACC@%$YACC%g
diff --git a/gcc/configure.in b/gcc/configure.in
index 1852d89..75e5dba 100644
--- a/gcc/configure.in
+++ b/gcc/configure.in
@@ -124,7 +124,8 @@ AC_CANONICAL_SYSTEM
 # Find some useful tools
 AC_PROG_AWK
 AC_PROG_LEX
-AC_PROG_LN_S
+GCC_PROG_LN
+GCC_PROG_LN_S
 AC_PROG_RANLIB
 AC_PROG_YACC
 AC_PROG_INSTALL
diff --git a/gcc/cp/ChangeLog.egcs b/gcc/cp/ChangeLog.egcs
new file mode 100644
index 0000000..ddefd5c
--- /dev/null
+++ b/gcc/cp/ChangeLog.egcs
@@ -0,0 +1,4 @@
+Wed Sep 10 16:39:26 1997  Jim Wilson  <wilson@cygnus.com>
+
+	* Make-lang.in (LN, LN_S): New macros, use where appropriate.
+
diff --git a/gcc/cp/Make-lang.in b/gcc/cp/Make-lang.in
index 34d3016..3d14dfa 100644
--- a/gcc/cp/Make-lang.in
+++ b/gcc/cp/Make-lang.in
@@ -74,7 +74,7 @@ C++ c++: cc1plus
 
 g++.c: $(srcdir)/gcc.c
 	-rm -f $@
-	ln -s $(srcdir)/gcc.c $@ || cp $(srcdir)/gcc.c $@
+	$(LN_S) $(srcdir)/gcc.c $@
 
 g++spec.o: $(srcdir)/cp/g++spec.c
 	$(CC) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) $(srcdir)/cp/g++spec.c
@@ -101,8 +101,7 @@ g++-cross$(exeext): g++$(exeext)
 
 cxxmain.o: cplus-dem.c demangle.h
 	rm -f cxxmain.c
-	ln -s $(srcdir)/cplus-dem.c cxxmain.c > /dev/null 2>&1 \
-	 || cp $(srcdir)/cplus-dem.c cxxmain.c
+	$(LN_S) $(srcdir)/cplus-dem.c cxxmain.c
 	$(CC) -c -DMAIN $(ALL_CFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
 	  -DVERSION=\"$(version)\" cxxmain.c
 	rm -f cxxmain.c
@@ -199,17 +198,13 @@ c++.install-common:
 	    $(INSTALL_PROGRAM) g++-cross$(exeext) $(bindir)/$(GXX_CROSS_NAME)$(exeext); \
 	    chmod a+x $(bindir)/$(GXX_CROSS_NAME)$(exeext); \
 	    rm -f $(bindir)/$(CXX_CROSS_NAME)$(exeext); \
-	    ln $(bindir)/$(GXX_CROSS_NAME)$(exeext) $(bindir)/$(CXX_CROSS_NAME)$(exeext) \
-	      > /dev/null 2>&1 \
-	      || cp $(bindir)/$(GXX_CROSS_NAME)$(exeext) $(bindir)/$(CXX_CROSS_NAME)$(exeext) ; \
+	    $(LN) $(bindir)/$(GXX_CROSS_NAME)$(exeext) $(bindir)/$(CXX_CROSS_NAME)$(exeext); \
 	  else \
 	    rm -f $(bindir)/$(GXX_INSTALL_NAME)$(exeext); \
 	    $(INSTALL_PROGRAM) g++$(exeext) $(bindir)/$(GXX_INSTALL_NAME)$(exeext); \
 	    chmod a+x $(bindir)/$(GXX_INSTALL_NAME)$(exeext); \
 	    rm -f $(bindir)/$(CXX_INSTALL_NAME)$(exeext); \
-	    ln $(bindir)/$(GXX_INSTALL_NAME)$(exeext) $(bindir)/$(CXX_INSTALL_NAME)$(exeext) \
-	      > /dev/null 2>&1 \
-	      || cp $(bindir)/$(GXX_INSTALL_NAME)$(exeext) $(bindir)/$(CXX_INSTALL_NAME)$(exeext) ; \
+	    $(LN) $(bindir)/$(GXX_INSTALL_NAME)$(exeext) $(bindir)/$(CXX_INSTALL_NAME)$(exeext); \
 	  fi ; \
 	fi
 
@@ -273,5 +268,5 @@ c++.distdir:
 	cd cp ; $(MAKE) $(FLAGS_TO_PASS) $(CXX_FLAGS_TO_PASS) parse.c hash.h
 	cd cp; \
 	for file in *[0-9a-zA-Z+]; do \
-	  ln $$file ../tmp/cp >/dev/null 2>&1 || cp $$file ../tmp/cp; \
+	  $(LN) $$file ../tmp/cp; \
 	done
diff --git a/gcc/f/ChangeLog.egcs b/gcc/f/ChangeLog.egcs
index 0ec6af0..13be1b8 100644
--- a/gcc/f/ChangeLog.egcs
+++ b/gcc/f/ChangeLog.egcs
@@ -1,3 +1,7 @@
+Wed Sep 10 16:39:47 1997  Jim Wilson  <wilson@cygnus.com>
+
+	* Make-lang.in (LN, LN_S): New macros, use where appropriate.
+
 Tue Sep  9 13:20:40 1997  Jim Wilson  <wilson@cygnus.com>
 
 	* g77.c (pexecute, doit): Add checks for __CYGWIN32__.
diff --git a/gcc/f/Make-lang.in b/gcc/f/Make-lang.in
index ba9158e..813a425 100644
--- a/gcc/f/Make-lang.in
+++ b/gcc/f/Make-lang.in
@@ -450,9 +450,7 @@ f77.install-common:
 	    chmod a+x $(bindir)/$(G77_CROSS_NAME)$(exeext); \
 	    if $(F77_INSTALL_FLAG) ; then \
 	      rm -f $(bindir)/$(F77_CROSS_NAME)$(exeext); \
-	      ln $(bindir)/$(G77_CROSS_NAME)$(exeext) $(bindir)/$(F77_CROSS_NAME)$(exeext) \
-		> /dev/null 2>&1 \
-		|| cp $(bindir)/$(G77_CROSS_NAME)$(exeext) $(bindir)/$(F77_CROSS_NAME)$(exeext) ; \
+	      $(LN) $(bindir)/$(G77_CROSS_NAME)$(exeext) $(bindir)/$(F77_CROSS_NAME)$(exeext); \
 	    fi ; \
 	  else \
 	    rm -f $(bindir)/$(G77_INSTALL_NAME)$(exeext); \
@@ -460,9 +458,7 @@ f77.install-common:
 	    chmod a+x $(bindir)/$(G77_INSTALL_NAME)$(exeext); \
 	    if $(F77_INSTALL_FLAG) ; then \
 	      rm -f $(bindir)/$(F77_INSTALL_NAME)$(exeext); \
-	      ln $(bindir)/$(G77_INSTALL_NAME)$(exeext) $(bindir)/$(F77_INSTALL_NAME)$(exeext) \
-		> /dev/null 2>&1 \
-		|| cp $(bindir)/$(G77_INSTALL_NAME)$(exeext) $(bindir)/$(F77_INSTALL_NAME)$(exeext) ; \
+	      $(LN) $(bindir)/$(G77_INSTALL_NAME)$(exeext) $(bindir)/$(F77_INSTALL_NAME)$(exeext); \
 	    fi ; \
 	  fi ; \
 	else true; fi
@@ -485,9 +481,7 @@ f77.install-man: $(srcdir)/f/g77.1
 	    chmod a-x $(mandir)/$(G77_CROSS_NAME)$(manext); \
 	    if $(F77_INSTALL_FLAG) ; then \
 	      rm -f $(mandir)/$(F77_CROSS_NAME)$(manext); \
-	      ln $(mandir)/$(G77_CROSS_NAME)$(manext) $(mandir)/$(F77_CROSS_NAME)$(manext) \
-		> /dev/null 2>&1 \
-		|| cp $(mandir)/$(F77_CROSS_NAME)$(manext) $(mandir)/$(F77_CROSS_NAME)$(manext) ; \
+	      $(LN) $(mandir)/$(G77_CROSS_NAME)$(manext) $(mandir)/$(F77_CROSS_NAME)$(manext); \
 	    fi ;\
 	  else \
 	    rm -f $(mandir)/$(G77_INSTALL_NAME)$(manext); \
@@ -495,9 +489,7 @@ f77.install-man: $(srcdir)/f/g77.1
 	    chmod a-x $(mandir)/$(G77_INSTALL_NAME)$(manext); \
 	    if $(F77_INSTALL_FLAG) ; then \
 	      rm -f $(mandir)/$(F77_INSTALL_NAME)$(manext); \
-	      ln $(mandir)/$(G77_INSTALL_NAME)$(manext) $(mandir)/$(F77_INSTALL_NAME)$(manext) \
-		> /dev/null 2>&1 \
-		|| cp $(mandir)/$(F77_INSTALL_NAME)$(manext) $(mandir)/$(F77_INSTALL_NAME)$(manext) ; \
+	      $(LN) $(mandir)/$(G77_INSTALL_NAME)$(manext) $(mandir)/$(F77_INSTALL_NAME)$(manext); \
 	    fi ;\
 	  fi; \
 	else true; fi
@@ -606,5 +598,5 @@ f77.distdir: f77.rebuilt
 	mkdir tmp/f
 	cd f; \
 	for file in *[0-9a-zA-Z+]; do \
-	  ln $$file ../tmp/f >/dev/null 2>&1 || cp $$file ../tmp/f; \
+	  ($LN) $$file ../tmp/f
 	done