* Makefile (autoconf-it): Make it executable and unwritable.

* configure.in (sysnames): Under --enable-debug-configure, spew
 	potential sysnames.

ChangeLog

@@ -1,5 +1,10 @@
 Sat Jul 22 01:56:03 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>
 
+	* Makefile (autoconf-it): Make it executable and unwritable.
+
+	* configure.in (sysnames): Under --enable-debug-configure, spew
+ 	potential sysnames.
+
 	* sysdeps/unix/i386/sysdep.h (JUMPTARGET): New macro; use name@PLT
  	#ifdef PIC.
 	(PSEUDO): Use JUMPTARGET(syscall_error) in jump insn.

Makefile

@@ -29,7 +29,9 @@ endif
 all: lib others
 
 define autoconf-it
+@-rm -f $@.new
 autoconf $(ACFLAGS) $< > $@.new
+chmod a-w,a+x $@.new
 mv -f $@.new $@
 test ! -d CVS || cvs commit -m'Regenerated: autoconf $(ACFLAGS) $<' $@
 endef

configure

@@ -2,7 +2,7 @@
 
 # From configure.in CVSid
 # Guess values for system-dependent variables and create Makefiles.
-# Generated automatically using autoconf version 2.3 
+# Generated automatically using autoconf version 2.4 
 # Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
 #
 # This configure script is free software; the Free Software Foundation
@@ -237,7 +237,7 @@ EOF
     verbose=yes ;;
 
   -version | --version | --versio | --versi | --vers)
-    echo "configure generated by autoconf version 2.3"
+    echo "configure generated by autoconf version 2.4"
     exit 0 ;;
 
   -with-* | --with-*)
@@ -624,9 +624,9 @@ netbsd* | 386bsd* | freebsd* | bsdi*)
   base_os=unix/bsd/bsd4.4 ;;
 osf* | sunos* | ultrix* | newsos* | dynix* | *bsd*)
   base_os=unix/bsd ;;
-linux* | sysv* | isc* | esix* | sco* | minix* | irix4*)
+sysv* | isc* | esix* | sco* | minix* | irix4*)
   base_os=unix/sysv ;;
-solaris[2-9]*)
+linux* | solaris[2-9]*)
   base_os=unix/sysv/sysv4 ;;
 none)
   base_os=standalone ;;
@@ -677,6 +677,7 @@ for b in $base ''; do
       for o in /$ostry ''; do
 	for m in $mach ''; do
 	  try="$m0$b$v$o$m"
+	  test -n "$enable_debug_configure" && echo "$0 DEBUG: try $try" >&2
 	  if test -d $sysdep_dir$try; then
 	    sysnames="$sysnames $try"
 	    { test -n "$o" || test -n "$b"; } && os_used=t
@@ -997,7 +998,7 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 1001 "configure"
+#line 1002 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
@@ -1011,7 +1012,7 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 1015 "configure"
+#line 1016 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
@@ -1030,8 +1031,10 @@ fi
 rm -f conftest*
   ac_cv_prog_CPP="$CPP"
 fi
+  CPP="$ac_cv_prog_CPP"
+else
+  ac_cv_prog_CPP="$CPP"
 fi
-CPP="$ac_cv_prog_CPP"
 echo "$ac_t""$CPP" 1>&4
 
 
@@ -1063,7 +1066,7 @@ if eval "test \"`echo '$''{'libc_cv_friendly_stddef'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&4
 else
   cat > conftest.$ac_ext <<EOF
-#line 1067 "configure"
+#line 1070 "configure"
 #include "confdefs.h"
 #define __need_size_t
 #define __need_wchar_t
@@ -1118,38 +1121,6 @@ if test $libc_cv_need_minus_P = yes; then
 asm-CPPFLAGS = -P # The assembler can't grok cpp's # line directives."
 fi
 
-echo $ac_n "checking for .set assembler directive""... $ac_c" 1>&4
-if eval "test \"`echo '$''{'libc_cv_asm_set_directive'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&4
-else
-  cat > conftest.s <<\EOF
-.text
-foo: .long 0
-.set glibc_conftest_frobozz,foo
-EOF
-# The alpha-dec-osf1 assembler gives only a warning for `.set'
-# (but it doesn't work), so we must do a linking check to be sure.
-cat > conftest1.c <<\EOF
-extern int glibc_conftest_frobozz;
-main () { printf ("%d\n", glibc_conftest_frobozz); }
-EOF
-if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS \
-	    conftest.s conftest1.c 1>&5 2>&5; then
-  libc_cv_asm_set_directive=yes
-else
-  libc_cv_asm_set_directive=no
-fi
-rm -f conftest*
-fi
-
-echo "$ac_t""$libc_cv_asm_set_directive" 1>&4
-if test $libc_cv_asm_set_directive = yes; then
-  cat >> confdefs.h <<\EOF
-#define HAVE_ASM_SET_DIRECTIVE 1
-EOF
-
-fi
-
 echo $ac_n "checking for assembler global-symbol directive""... $ac_c" 1>&4
 if eval "test \"`echo '$''{'libc_cv_asm_global_directive'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&4
@@ -1179,6 +1150,39 @@ EOF
 
 fi
 
+echo $ac_n "checking for .set assembler directive""... $ac_c" 1>&4
+if eval "test \"`echo '$''{'libc_cv_asm_set_directive'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  cat > conftest.s <<EOF
+.text
+foo: .long 0
+.set glibc_conftest_frobozz,foo
+$libc_cv_asm_global_directive glibc_conftest_frobozz
+EOF
+# The alpha-dec-osf1 assembler gives only a warning for `.set'
+# (but it doesn't work), so we must do a linking check to be sure.
+cat > conftest1.c <<\EOF
+extern int glibc_conftest_frobozz;
+main () { printf ("%d\n", glibc_conftest_frobozz); }
+EOF
+if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS \
+	    conftest.s conftest1.c 1>&5 2>&5; then
+  libc_cv_asm_set_directive=yes
+else
+  libc_cv_asm_set_directive=no
+fi
+rm -f conftest*
+fi
+
+echo "$ac_t""$libc_cv_asm_set_directive" 1>&4
+if test $libc_cv_asm_set_directive = yes; then
+  cat >> confdefs.h <<\EOF
+#define HAVE_ASM_SET_DIRECTIVE 1
+EOF
+
+fi
+
 
 # sysdeps configure fragments may set these with files to be linked below.
 libc_link_dests=
@@ -1369,7 +1373,7 @@ 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 2.3"
+    echo "$CONFIG_STATUS generated by autoconf version 2.4"
     exit 0 ;;
   -help | --help | --hel | --he | --h)
     echo "\$ac_cs_usage"; exit 0 ;;

configure.in

@@ -166,6 +166,7 @@ for b in $base ''; do
       for o in /$ostry ''; do
 	for m in $mach ''; do
 	  try="$m0$b$v$o$m"
+	  test -n "$enable_debug_configure" && echo "$0 [DEBUG]: try $try" >&2
 	  if test -d $sysdep_dir$try; then
 	    sysnames="$sysnames $try"
 	    { test -n "$o" || test -n "$b"; } && os_used=t