all: remove $OBJTYPE from build

Now that we assume pthreads, the only assembly
left is in libmp and libsec.
We only ever added assembly for 386.
The portable C code is fine for plan9port.

bin/9a

@@ -1,21 +0,0 @@
-#!/bin/sh
-
-if [ $# != 1 ]; then
-	echo 'usage: 9a file.s' 1>&2
-	exit 1
-fi
-
-test -f $PLAN9/config && . $PLAN9/config
-
-aflags=""
-case "`uname`-${OBJTYPE:-`uname -m`}" in
-Darwin-*386*)
-	aflags="-arch i386"
-	;;
-Darwin-*x86_64*)
-	aflags="-arch x86_64"
-	;;
-esac
-
-out=`echo $1 | sed 's/\.s$//;s/$/.o/'`
-exec as $aflags -o $out $1

bin/9c

@@ -112,24 +112,14 @@ usexlc()
 	cflags="$cflags $CC9FLAGS"
 }
 
-tag="${SYSNAME:-`uname`}-${OBJTYPE:-`uname -m`}-${CC9:-cc}"
+tag="${SYSNAME:-`uname`}-${CC9:-cc}"
 case "$tag" in
 *DragonFly*gcc*|*BSD*gcc*)	usegcc ;;
 *DragonFly*clang|*BSD*clang*)	useclang ;;
-*Darwin-x86_64*)
+*Darwin*)
 		useclang
 		cflags="$cflags -g3 -m64"
 		;;
-*Darwin-arm64*)
-		useclang
-		cflags="$cflags -g3 -m64"
-		;;
-*Darwin*clang*)
-		useclang
-		cflags="$cflags -g3 -m32"
-		;;
-*Darwin*)	usegcc
-		cflags="$cflags -g3 -no-cpp-precomp -m32" ;;
 *HP-UX*)	cc=${CC9:-cc}; cflags="-g -O -c -Ae" ;;
 *Linux*)	usegcc
 		case "${CC9:-gcc}" in

bin/9l

@@ -9,7 +9,7 @@ verbose=false
 
 nmflags=""
 extralibs="-lm"
-tag="${SYSNAME:-`uname`}-${OBJTYPE:-`uname -m`}"
+tag="${SYSNAME:-`uname`}"
 case "$tag" in
 *DragonFly*|*BSD*)
 	ld="${CC9:-gcc} $CC9FLAGS"
@@ -27,14 +27,8 @@ case "$tag" in
 	userpath=true
 	extralibs="$extralibs -lutil -lresolv -lpthread"
 	;;
-*Darwin*x86_64*)
-	ld="${CC9:-gcc} -m64 $CC9FLAGS"
-	;;
-*Darwin-arm64*)
-	ld="${CC9:-gcc} -m64 $CC9FLAGS"
-	;;
 *Darwin*)
-	ld="${CC9:-gcc} -m32 $CC9FLAGS"
+	ld="${CC9:-gcc} -m64 $CC9FLAGS"
 	;;
 *SunOS*)
 	ld="${CC9:-cc} -g $CC9FLAGS"
@@ -255,7 +249,7 @@ then
 		fi
 		# Don't say -L with a non-existent directory: Xcode complains.
 		# x86_64 seems to put its 64-bit libraries in lib64.
-		if [ "${OBJTYPE:-`uname -m`}" = "x86_64" -a -d "$X11/lib64" ]
+		if [ "`uname -m`" = "x86_64" -a -d "$X11/lib64" ]
 		then
 			libsl="$libsl -L$X11/lib64"
 		fi