remove all the code that supported HAVE_GCC=3. mostly from chuq.

Makefile

@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile,v 1.283 2011/06/15 09:45:58 mrg Exp $
+#	$NetBSD: Makefile,v 1.284 2011/06/20 06:52:36 mrg Exp $
 
 #
 # This is the top-level makefile for building NetBSD. For an outline of
@@ -199,10 +199,10 @@ postinstall-fix-obsolete: .NOTMAIN .PHONY
 # Targets (in order!) called by "make build".
 #
 .if defined(HAVE_GCC)
-.if ${HAVE_GCC} == "3"
-LIBGCC_EXT=3
-.else
+.if ${HAVE_GCC} == "4"
 LIBGCC_EXT=4
+.else
+LIBGCC_EXT=45
 .endif
 .endif
 
@@ -444,9 +444,7 @@ do-libgcc: .PHONY .MAKE
 .if defined(HAVE_GCC)
 .if ${MKGCC} != "no"
 .if ${USE_COMPILERCRTSTUFF} == "yes"
-.if (${HAVE_GCC} == "3" || ${HAVE_GCC} == "4")
 	${MAKEDIRTARGET} . do-gnu-lib-crtstuff${LIBGCC_EXT}
-.endif
 .endif
 	${MAKEDIRTARGET} . do-gnu-lib-libgcc${LIBGCC_EXT}
 .endif

lib/csu/common_elf/Makefile.inc

@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile.inc,v 1.32 2009/12/13 08:52:38 mrg Exp $
+#	$NetBSD: Makefile.inc,v 1.33 2011/06/20 06:52:36 mrg Exp $
 
 .if !defined(ELFSIZE)
 ELFSIZE=32
@@ -14,7 +14,7 @@ CPPFLAGS+=	-DDWARF2_EH
 CPPFLAGS+=	-DJCR
 CPPFLAGS+=	-DDSO_HANDLE
 
-.if defined(HAVE_GCC) && ${HAVE_GCC} > 3
+.if defined(HAVE_GCC)
 CFLAGS+=	-fno-unit-at-a-time
 .endif
 

lib/i18n_module/UTF7/Makefile

@@ -1,8 +1,8 @@
-#	$NetBSD: Makefile,v 1.3 2008/08/29 00:02:22 gmcgarry Exp $
+#	$NetBSD: Makefile,v 1.4 2011/06/20 06:52:36 mrg Exp $
 
 SRCPRE=citrus_
 .include <bsd.lib.mk>
 
-.if ${MACHINE_ARCH} == "vax" && defined(HAVE_GCC) && ${HAVE_GCC} > 3
+.if ${MACHINE_ARCH} == "vax" && defined(HAVE_GCC)
 COPTS.citrus_utf7.c+=	-O0
 .endif

lib/libbz2/Makefile

@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile,v 1.14 2008/08/29 00:02:22 gmcgarry Exp $
+#	$NetBSD: Makefile,v 1.15 2011/06/20 06:52:37 mrg Exp $
 
 USE_FORT?= yes	# data driven bugs?
 
@@ -22,7 +22,7 @@ COPTS+=		-O0
 
 # XXX blocksort.c gets mis-compiled with 4.1
 .if (${MACHINE_ARCH} == "sh3el" || ${MACHINE_ARCH} == "sh3eb") && \
-    (defined(HAVE_GCC) && ${HAVE_GCC} == 4)
+    defined(HAVE_GCC)
 COPTS.blocksort.c+=	-fno-loop-optimize
 .endif
 

share/mk/bsd.own.mk

@@ -1,4 +1,4 @@
-#	$NetBSD: bsd.own.mk,v 1.670 2011/06/15 09:45:59 mrg Exp $
+#	$NetBSD: bsd.own.mk,v 1.671 2011/06/20 06:52:37 mrg Exp $
 
 # This needs to be before bsd.init.mk
 .if defined(BSD_MK_COMPAT_FILE)
@@ -46,7 +46,7 @@ NEED_OWN_INSTALL_TARGET?=	yes
 #
 TOOLCHAIN_MISSING?=	no
 
-# default to GCC4
+# default to GCC4.1
 .if !defined(HAVE_GCC) && !defined(HAVE_PCC)
 HAVE_GCC=	4
 .endif
@@ -574,7 +574,7 @@ NOPIC=		# defined
 MKISCSI=	no
 # XXX GCC 4 outputs mcount() calling sequences that try to load values
 # from over 64KB away and this fails to assemble.
-.if defined(HAVE_GCC) && (${HAVE_GCC} == 4)
+.if defined(HAVE_GCC)
 NOPROFILE=	# defined
 .endif
 .endif

share/mk/bsd.sys.mk

@@ -1,4 +1,4 @@
-#	$NetBSD: bsd.sys.mk,v 1.203 2011/05/30 13:56:34 joerg Exp $
+#	$NetBSD: bsd.sys.mk,v 1.204 2011/06/20 06:52:37 mrg Exp $
 #
 # Build definitions used for NetBSD source tree builds.
 
@@ -13,7 +13,7 @@ CPPFLAGS+=	-Wp,-iremap,${DESTDIR}/:/
 # Enable c99 mode by default.
 # This has the side effect of complaining for missing prototypes
 # implicit type declarations and missing return statements.
-.if defined(HAVE_GCC) && ${HAVE_GCC} >= 3
+.if defined(HAVE_GCC)
 CFLAGS+=	-std=gnu99
 .endif
 
@@ -56,7 +56,7 @@ CXXFLAGS+=	-Wctor-dtor-privacy -Wnon-virtual-dtor -Wreorder \
 		-Wno-deprecated -Woverloaded-virtual -Wsign-promo -Wsynth
 CXXFLAGS+=	${${ACTIVE_CXX} == "gcc":? -Wno-non-template-friend -Wno-pmf-conversions :}
 .endif
-.if ${WARNS} > 3 && defined(HAVE_GCC) && ${HAVE_GCC} >= 3
+.if ${WARNS} > 3 && defined(HAVE_GCC)
 CFLAGS+=	-Wsign-compare
 CFLAGS+=	${${ACTIVE_CC} == "clang":? -Wpointer-sign :}
 .endif

sys/arch/hp700/stand/Makefile.inc

@@ -1,10 +1,8 @@
-#	$NetBSD: Makefile.inc,v 1.7 2006/06/27 06:37:26 he Exp $
+#	$NetBSD: Makefile.inc,v 1.8 2011/06/20 06:52:37 mrg Exp $
 
 BINDIR=		/usr/mdec
 
 .include <bsd.own.mk>
 
-.if ${HAVE_GCC} > 3
 COPTS+=		-Wno-pointer-sign
-.endif
 COPTS+=		-fno-strict-aliasing

sys/arch/i386/stand/Makefile.booters

@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile.booters,v 1.84 2011/06/16 16:39:53 joerg Exp $
+#	$NetBSD: Makefile.booters,v 1.85 2011/06/20 06:52:37 mrg Exp $
 
 .include <bsd.own.mk>
 
@@ -16,13 +16,9 @@ LIBC=		# nothing
 .if ${MACHINE_ARCH} == "x86_64"
 CPUFLAGS= -m32
 .else
-.if ${HAVE_GCC} == 3
-CPUFLAGS=  -mcpu=i386
-.else
 CPUFLAGS=  -march=i386 -mtune=i386
 .endif
 .endif
-.endif
 COPTS=	${OPT_SIZE.${ACTIVE_CC}}
 
 I386_STAND_DIR?= $S/arch/i386/stand

sys/arch/i386/stand/boot/Makefile.boot

@@ -1,4 +1,4 @@
-# $NetBSD: Makefile.boot,v 1.52 2011/06/02 18:48:55 dsl Exp $
+# $NetBSD: Makefile.boot,v 1.53 2011/06/20 06:52:37 mrg Exp $
 
 S=	${.CURDIR}/../../../../..
 
@@ -47,13 +47,9 @@ CPUFLAGS=  -m32
 LIBKERN_ARCH=i386
 KERNMISCMAKEFLAGS="LIBKERN_ARCH=i386"
 .else
-.if ${HAVE_GCC} == 3
-CPUFLAGS=  -mcpu=i386
-.else
 CPUFLAGS=  -march=i386 -mtune=i386
 .endif
 .endif
-.endif
 
 COPTS+=    -ffreestanding
 CFLAGS+= -Wall -Wmissing-prototypes -Wstrict-prototypes

sys/arch/i386/stand/bootxx/Makefile.bootxx

@@ -1,4 +1,4 @@
-# $NetBSD: Makefile.bootxx,v 1.41 2011/06/16 16:39:53 joerg Exp $
+# $NetBSD: Makefile.bootxx,v 1.42 2011/06/20 06:52:38 mrg Exp $
 
 S=	${.CURDIR}/../../../../..
 
@@ -68,13 +68,9 @@ LIBKERN_ARCH=i386
 KERNMISCMAKEFLAGS="LIBKERN_ARCH=i386"
 .else
 CPPFLAGS+= -DEPIA_HACK
-.if ${HAVE_GCC} == 3
-CPUFLAGS=  -mcpu=i386
-.else
 CPUFLAGS=  -march=i386 -mtune=i386
 .endif
 .endif
-.endif
 
 CFLAGS+= -Wall -Wmissing-prototypes -Wstrict-prototypes
 CPPFLAGS+= -nostdinc -D_STANDALONE

sys/conf/Makefile.kern.inc

@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile.kern.inc,v 1.139 2011/06/17 21:19:42 matt Exp $
+#	$NetBSD: Makefile.kern.inc,v 1.140 2011/06/20 06:52:38 mrg Exp $
 #
 # This file contains common `MI' targets and definitions and it is included
 # at the bottom of each `MD' ${MACHINE}/conf/Makefile.${MACHINE}.
@@ -68,7 +68,7 @@ CWARNFLAGS+=	-Wmissing-prototypes -Wstrict-prototypes
 CWARNFLAGS+=	-Wswitch -Wshadow
 CWARNFLAGS+=	-Wcast-qual -Wwrite-strings
 CWARNFLAGS+=	-Wno-unreachable-code
-. if (defined(HAVE_GCC) && ${HAVE_GCC} > 3) || defined(HAVE_PCC)
+. if defined(HAVE_GCC) || defined(HAVE_PCC)
 CWARNFLAGS+=	-Wno-pointer-sign -Wno-attributes
 .  if ${MACHINE} == "i386" || ${MACHINE_ARCH} == "x86_64" || \
 	${MACHINE_ARCH} == "sparc64" || ${MACHINE} == "prep"
@@ -88,7 +88,7 @@ CFLAGS+=	${DEBUG} ${COPTS}
 AFLAGS+=	-D_LOCORE -Wa,--fatal-warnings
 
 # XXX
-.if defined(HAVE_GCC) && ${HAVE_GCC} > 3
+.if defined(HAVE_GCC)
 CFLAGS+=	-fno-strict-aliasing
 .endif
 
@@ -99,8 +99,7 @@ COPTS.kern_ssp.c+=	-fno-stack-protector -D__SSP__
 # If we want the bpendtsleep: label in kern_synch.c, we need to use
 # -fno-reorder-blocks.  Don't make this a config(1) defflag without
 # making sure this fragment remains valid.
-.if defined(HAVE_GCC) && ${HAVE_GCC} > 3 && \
-	!empty(${CFLAGS:M-DKERN_SYNCH_BPENDTSLEEP_LABEL})
+.if defined(HAVE_GCC) && !empty(${CFLAGS:M-DKERN_SYNCH_BPENDTSLEEP_LABEL})
 COPTS.kern_synch.c+=	-fno-reorder-blocks
 .endif
 
@@ -511,7 +510,7 @@ VARSTACK=kern/uipc_socket.c miscfs/genfs/genfs_vnops.c \
     uvm/uvm_pager.c dev/ic/aic7xxx.c dev/ic/aic79xx.c arch/xen/i386/gdt.c \
     dev/ofw/ofw_subr.c
 
-. if (defined(HAVE_GCC) && ${HAVE_GCC} > 3) || defined(HAVE_PCC)
+. if defined(HAVE_GCC) || defined(HAVE_PCC)
 .for __varstack in ${VARSTACK}
 COPTS.${__varstack:T} += -Wno-stack-protector
 .endfor