Aix4 fixes from Andreas Zeugswetter

src/makefiles/Makefile.aix4

+MK_NO_LORDER= true
+
+%$(DLSUFFIX): %.o
+	$(LD) -G -bexpall -bnoentry -o $@ $< $(LDFLAGS)

src/template/.similar

@@ -19,6 +19,8 @@ mips-sgi-irix=irix5
 powerpc-ibm-aix3.2.5=aix_325
 powerpc-ibm-aix4.1.4.0=aix_41
 powerpc-ibm-aix4.1.5.0=aix_41
+powerpc-ibm-aix4.2.1.0=aix_42
+powerpc-ibm-aix4.3.1.0=aix_42
 powerpc-unknown-linux-gnu=linux_ppc
 sparc-sun-solaris=solaris_sparc_gcc
 sparc-sun-sunos4=sunos4_gcc

src/template/aix_42

+AROPT:crs
+CFLAGS:-qchars=signed -qmaxmem=8192 -qhalt=w -qsrcmsg -qcheck=divzero -qlonglong
+SHARED_LIB:
+ALL:
+SRCH_INC:
+SRCH_LIB:
+USE_LOCALE:no
+DLSUFFIX:.so
+YFLAGS:-d
+YACC:
+CC:xlc