patches: config for m68k-apollo-bsd*, or not

[Nathanael Nerode <neroden@twcny.rr.com>]

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All right.  It appears that out of all of gcc and src, m68k-apollo-bsd* 
(as opposed to m68k-apollo-sysv*) is supported potentially only by gas.  

I am strongly inclined to kill the top level configuration logic for it, 
because it is causing trouble in autoconfiscation.  This is the 
deapollo.diff patch.  I would like it approved for the gcc 3.4 basic 
improvements branch and subsequently for src when that branch lands.

If there are strong objections, the alternate patch apollo.diff updates 
the top level logic to allow the top level Makefile.in to be made 
autoconf-compatible.  But I prefer the first patch as it's simpler.

	* configure.in (m68k-apollo-bsd*): Drop support.

-or-
	* configure: Add hook for per-build-machine override of BISON.
	* configure.in: Use it for m68k-apollo-bsd*.

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Index: configure.in
===================================================================
RCS file: /cvs/gcc/gcc/configure.in,v
retrieving revision 1.177.4.5
diff -u -r1.177.4.5 configure.in
--- configure.in	10 Nov 2002 21:14:18 -0000	1.177.4.5
+++ configure.in	10 Nov 2002 21:26:46 -0000
@@ -943,16 +943,6 @@
     tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
     host_makefile_frag="config/mh-apollo68"
     ;;
-  m68k-apollo-bsd*)
-    #None of the Apollo compilers can compile gas or binutils.  The preprocessor
-    # chokes on bfd, the compiler won't let you assign integers to enums, and
-    # other problems.  Defining CC to gcc is a questionable way to say "don't use
-    # the apollo compiler" (the preferred version of GCC could be called cc,
-    # or whatever), but I'm not sure leaving CC as cc is any better...
-    #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
-    tentative_cc=gcc
-    host_makefile_frag="config/mh-a68bsd"
-    ;;
   m88k-dg-dgux*)
     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
     host_makefile_frag="config/mh-dgux"

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? aix.diff
? apollo.diff
? p1.patch
? p2.patch
? p3.patch
? p4.patch
Index: configure
===================================================================
RCS file: /cvs/gcc/gcc/configure,v
retrieving revision 1.46.6.3
diff -u -r1.46.6.3 configure
--- configure	10 Nov 2002 21:14:18 -0000	1.46.6.3
+++ configure	10 Nov 2002 21:22:26 -0000
@@ -1037,7 +1037,8 @@
   AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
   AS=as
   AS_FOR_TARGET='\$(USUAL_AS_FOR_TARGET)'
-  BISON='$(USUAL_BISON)'
+  # default to previously set bison: workaround for m68k-apollo-bsd
+  BISON=${BISON-'\$(USUAL_BISON)'}
   CC_FOR_BUILD='\$(CC)'
   DLLTOOL=dlltool
   DLLTOOL_FOR_TARGET='\$(USUAL_DLLTOOL_FOR_TARGET)'
Index: configure.in
===================================================================
RCS file: /cvs/gcc/gcc/configure.in,v
retrieving revision 1.177.4.5
diff -u -r1.177.4.5 configure.in
--- configure.in	10 Nov 2002 21:14:18 -0000	1.177.4.5
+++ configure.in	10 Nov 2002 21:22:32 -0000
@@ -103,6 +103,12 @@
 
 # per-target:
 
+# This is a irritating workaround for m68k-apollo-bsd,
+# which wants to use yacc for bison.
+case ${build} in
+  m68k-apollo-bsd*) BISON=yacc ;;
+esac
+
 # Define is_cross_compiler to save on calls to 'test'.
 is_cross_compiler=
 if test x"${host}" = x"${target}" ; then