configure.in: Convert to autoconf script.

(toplev)
	* configure.in: Convert to autoconf script.  Blow away lots
	of now-redundant Makefile fragments.
	* configure: Generate using Autoconf.
	* Makefile.tpl: Rewrite to reflect autoconfiscation.
	* Makefile.in: Regenerate.
(config)
	* acx.m4: New.
	* mh-a68bsd, mh-aix386, mh-apollo68, mh-delta88, mh-hp300,
	mh-hpux, mh-hpux8, mh-irix5, mh-irix6, mh-ncrsvr43, mh-openedition,
	mh-riscos, mh-sysv: Delete.
	* mh-cxux, mh-dgux386, mh-interix, mh-lynxrs6k, mh-ncr3000,
	mh-necv4, mh-sco, mh-solaris, mh-sysv4, mh-sysv5, mt-v810: Simplify.

From-SVN: r60558

ChangeLog

+2002-12-28  Nathanael Nerode  <neroden@gcc.gnu.org>
+
+	* configure.in: Convert to autoconf script.  Blow away lots
+	of now-redundant Makefile fragments.
+	* configure: Generate using Autoconf.
+	* Makefile.tpl: Rewrite to reflect autoconfiscation.
+	* Makefile.in: Regenerate.
+
 2002-12-27  Nathanael Nerode  <neroden@gcc.gnu.org>
 
 	* configure: Fix stupid bug where RANLIB was mistakenly included.

Makefile.in

@@ -369,6 +369,10 @@ all: all.normal
 .PHONY: all
 
 #### host and target specific makefile fragments come in here.
+@target_makefile_frag@
+@alphaieee_frag@
+@ospace_frag@
+@host_makefile_frag@
 ###
 
 # Flags to pass down to all sub-makes.
@@ -1086,7 +1090,7 @@ local-clean:
 
 local-distclean:
 	-rm -f Makefile config.status config.cache mh-frag mt-frag
-	-rm -f multilib.out multilib.ts multilib.tmp
+	-rm -f multilib.out multilib.ts multilib.tmp maybedep.tmp serdep.tmp
 	-if [ "$(TARGET_SUBDIR)" != "." ]; then \
 	  rm -rf $(TARGET_SUBDIR); \
 	else true; fi
@@ -7694,14 +7698,13 @@ multilib.ts: maybe-all-gcc
 $(srcdir)/Makefile.in: # $(srcdir)/Makefile.tpl $(srcdir)/Makefile.def
 	cd $(srcdir) && autogen Makefile.def
 
-# with the gnu make, this is done automatically.
-
-host_makefile_frag=@host_makefile_frag@
-target_makefile_frag=@target_makefile_frag@
-
-Makefile: Makefile.in configure.in $(host_makefile_frag) $(target_makefile_frag) $(gcc_version_trigger)
-	$(SHELL) ./config.status
+# Rebuilding Makefile.
+Makefile: Makefile.in configure $(gcc_version_trigger)
+	$(SHELL) ./config.status --recheck
 
+# Rebuilding configure.
+configure: configure.in
+	cd $(srcdir) && autoconf
 #
 
 .NOEXPORT:

Makefile.tpl

@@ -372,6 +372,10 @@ all: all.normal
 .PHONY: all
 
 #### host and target specific makefile fragments come in here.
+@target_makefile_frag@
+@alphaieee_frag@
+@ospace_frag@
+@host_makefile_frag@
 ###
 
 # Flags to pass down to all sub-makes.
@@ -643,7 +647,7 @@ local-clean:
 
 local-distclean:
 	-rm -f Makefile config.status config.cache mh-frag mt-frag
-	-rm -f multilib.out multilib.ts multilib.tmp
+	-rm -f multilib.out multilib.ts multilib.tmp maybedep.tmp serdep.tmp
 	-if [ "$(TARGET_SUBDIR)" != "." ]; then \
 	  rm -rf $(TARGET_SUBDIR); \
 	else true; fi
@@ -1413,14 +1417,13 @@ multilib.ts: maybe-all-gcc
 $(srcdir)/Makefile.in: # $(srcdir)/Makefile.tpl $(srcdir)/Makefile.def
 	cd $(srcdir) && autogen Makefile.def
 
-# with the gnu make, this is done automatically.
-
-host_makefile_frag=@host_makefile_frag@
-target_makefile_frag=@target_makefile_frag@
-
-Makefile: Makefile.in configure.in $(host_makefile_frag) $(target_makefile_frag) $(gcc_version_trigger)
-	$(SHELL) ./config.status
+# Rebuilding Makefile.
+Makefile: Makefile.in configure $(gcc_version_trigger)
+	$(SHELL) ./config.status --recheck
 
+# Rebuilding configure.
+configure: configure.in
+	cd $(srcdir) && autoconf
 #
 
 .NOEXPORT:

config/ChangeLog

+2002-12-28  Nathanael Nerode  <neroden@gcc.gnu.org>
+
+	* acx.m4: New.
+	* mh-a68bsd, mh-aix386, mh-apollo68, mh-delta88, mh-hp300,
+	mh-hpux, mh-hpux8, mh-irix5, mh-irix6, mh-ncrsvr43, mh-openedition,
+	mh-riscos, mh-sysv: Delete.
+	* mh-cxux, mh-dgux386, mh-interix, mh-lynxrs6k, mh-ncr3000,
+	mh-necv4, mh-sco, mh-solaris, mh-sysv4, mh-sysv5, mt-v810: Simplify.
+
 2002-12-16  Christopher Faylor  <cgf@redhat.com>
 
 	* mh-cygwin: Don't build libtermcap if it doesn't exist.

config/acx.m4

+# Autoconf M4 include file defining utility macros for complex Canadian
+# cross builds.
+
+####
+# _NCN_TOOL_PREFIXES:  Some stuff that oughtta be done in AC_CANONICAL_SYSTEM 
+# or AC_INIT.
+# These demand that AC_CANONICAL_SYSTEM be called beforehand.
+AC_DEFUN([_NCN_TOOL_PREFIXES],
+[ncn_tool_prefix=
+test -n "$host_alias" && ncn_tool_prefix=$host_alias-
+ncn_target_tool_prefix=
+test -n "$target_alias" && ncn_target_tool_prefix=$target_alias-
+]) []dnl # _NCN_TOOL_PREFIXES
+
+####
+# NCN_CHECK_TARGET_TOOL(variable, prog-to-check-for,[value-if-not-found],[path])
+# Like AC_CHECK_TOOL, but tries a prefix of the target, not the host.
+# Code is pretty much lifted from autoconf2.53.
+
+AC_DEFUN([NCN_CHECK_TARGET_TOOL],
+[AC_REQUIRE([_NCN_TOOL_PREFIXES]) []dnl
+if test -n "$ncn_target_tool_prefix"; then
+  AC_CHECK_PROG([$1], [${ncn_target_tool_prefix}$2], 
+                [${ncn_target_tool_prefix}$2], , [$4])
+fi
+if test -z "$ac_cv_prog_$1" ; then
+  ncn_ct_$1=$$1
+  AC_CHECK_PROG([ncn_ct_$1], [$2], [$2], [$3], [$4])
+  $1=$ncn_ct_$1
+else
+  $1="$ac_cv_prog_$1"
+fi
+]) []dnl # NCN_CHECK_TARGET_TOOL
+
+
+####
+# NCN_STRICT_CHECK_TOOL(variable, prog-to-check-for,[value-if-not-found],[path])
+# Like AC_CHECK_TOOL, but requires the prefix if build!=host.
+
+AC_DEFUN([NCN_STRICT_CHECK_TOOL],
+[AC_REQUIRE([_NCN_TOOL_PREFIXES]) []dnl
+if test -n "$ncn_tool_prefix"; then
+  AC_CHECK_PROG([$1], [${ncn_tool_prefix}$2], 
+                [${ncn_tool_prefix}$2], , [$4])
+fi
+if test -z "$ac_cv_prog_$1" ; then
+  if test $build = $host ; then
+    ncn_ct_$1=$$1
+    AC_CHECK_PROG([ncn_ct_$1], [$2], [$2], [$3], [$4]) 
+    $1=$ncn_ct_$1
+  else
+    $1="$3"
+  fi
+else
+  $1="$ac_cv_prog_$1"
+fi
+]) []dnl # NCN_STRICT_CHECK_TOOL
+
+
+####
+# NCN_STRICT_CHECK_TARGET_TOOL(variable, prog-to-check-for,[value-if-not-found],[path])
+# Like NCN_CHECK_TARGET_TOOL, but requires the prefix if build!=target.
+
+AC_DEFUN([NCN_STRICT_CHECK_TARGET_TOOL],
+[AC_REQUIRE([_NCN_TOOL_PREFIXES]) []dnl
+if test -n "$ncn_target_tool_prefix"; then
+  AC_CHECK_PROG([$1], [${ncn_target_tool_prefix}$2], 
+                [${ncn_target_tool_prefix}$2], , [$4])
+fi
+if test -z "$ac_cv_prog_$1" ; then
+  if test $build = $target ; then
+    ncn_ct_$1=$$1
+    AC_CHECK_PROG([ncn_ct_$1], [$2], [$2], [$3], [$4]) 
+    $1=$ncn_ct_$1
+  else
+    $1="$3"
+  fi
+else
+  $1="$ac_cv_prog_$1"
+fi
+]) []dnl # NCN_STRICT_CHECK_TARGET_TOOL
+
+

config/mh-a68bsd

-RANLIB=true
-BISON=yacc

config/mh-aix386

-RANLIB = @:

config/mh-apollo68

-RANLIB=true

config/mh-cxux

 # Configuration for Harris CX/UX 7 (and maybe 6), based on sysv4 configuration.
 
-RANLIB = true
-
 # The l flag generates a warning from the SVR4 archiver, remove it.
 AR_FLAGS = cq
 

config/mh-delta88

-RANLIB = true
-
-
-

config/mh-dgux386

-# from mh-sysv4
-RANLIB = true
-
 # The l flag generates a warning from the SVR4 archiver, remove it.
 AR_FLAGS = cr
 

config/mh-hp300

-# If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
-# If it's HP/UX ar, this should be harmless.
-RANLIB = ar ts

config/mh-hpux

-RANLIB = true

config/mh-hpux8

-RANLIB = true

config/mh-interix

 # The shell may not be in /bin. 
 SHELL = sh
-RANLIB = true
 
 # We also need to override LIBGCC2_DEBUG_CFLAGS so libgcc2 will be
 # built without debugging information

config/mh-irix5

-# Makefile changes for SGI's running IRIX-5.x.
-RANLIB = true

config/mh-irix6

-# Makefile changes for SGI's running IRIX-6.x.
-RANLIB = true

config/mh-lynxrs6k

-# LynxOS running on the rs6000 doesn't have ranlib
-RANLIB = true
-
 # /bin/sh is too buggy, so use /bin/bash instead.
 SHELL = /bin/bash

config/mh-ncr3000

 # Host configuration file for an NCR 3000 (i486/SVR4) system.
 
-RANLIB = true
-
 # The l flag generates a warning from the SVR4 archiver, remove it.
 AR_FLAGS = cq

config/mh-ncrsvr43

-# Host configuration file for an NCR 3000 (i486/SVR43) system.
-
-RANLIB = true

config/mh-necv4

 # Host Makefile fragment for NEC MIPS SVR4.
 
-RANLIB = true
-
 # NEC -lX11 needs some other libraries.
 X11_EXTRA_LIBS = -lsocket -lnsl

config/mh-openedition

-RANLIB = true

config/mh-riscos

-# This is for a MIPS running RISC/os 4.52C.
-
-RANLIB = true

config/mh-sco

-RANLIB = true
 # You may need this if you don't have bison.
 # BISON = yacc -Sm10400
 

config/mh-solaris

 # Makefile changes for Suns running Solaris 2
-
-RANLIB = true
-
 X11_EXTRA_LIBS = -lnsl -lsocket

config/mh-sysv

-RANLIB = true

config/mh-sysv4

-RANLIB = true
-
 # The l flag generates a warning from the SVR4 archiver, remove it.
 AR_FLAGS = cr
 

config/mh-sysv5

-RANLIB = true
-
 # The l flag generates a warning from the SVR4 archiver, remove it.
 AR_FLAGS = cr
 

config/mt-v810

 CC_FOR_TARGET = ca732 -ansi
 AS_FOR_TARGET = as732
 AR_FOR_TARGET = ar732
-RANLIB_FOR_TARGET = true