From: Nobuyoshi Nakada <nobu@...>
Date: 2009-03-20T11:38:35+09:00
Subject: Re: Compiling 1.9.1p0 on AIX 5.3 using xlc

Hi,

At Thu, 5 Mar 2009 00:54:05 +0900,
Graham Agnew wrote in [ruby-talk:330286]:
> I'm trying to compile Ruby using the native compiler xlc on AIX.  Ruby
> seems to have compiled, but it falls over with a SEGV as soon as I run
> 'make test', it falls over.

Why not register to http://redmine.ruby-lang.org ?

At Fri, 20 Mar 2009 00:11:00 +0900,
Graham Agnew wrote in [ruby-talk:331586]:
> So, I've gotten over this hurdle by modifying the enc.mk file to use the 
> following value for dldflags:
> 
> >   dldflags = -eInit_$(basename $(notdir $@))

Does the following patch work?

> I've further modified enc.mk to link in encoding.o to resolve these 
> missing symbols.  So now encdb.so loads.  Now I'm getting a problem with 
> miniruby getting into an infinite loop.  For some reason it's spinning 
> on line 384 in st.c.

What are missing symbols?


Index: enc/depend
===================================================================
--- enc/depend	(revision 23012)
+++ enc/depend	(working copy)
@@ -1,2 +1,4 @@
+% CONFIG["DLDFLAGS"].sub!(/(\A|\s)(-\S+(?:\s*\w*)?\$\(TARGET\)\S*)/, '\1')
+% dldflags = $2
 % enable_shared = CONFIG['ENABLE_SHARED'] == 'yes'
 % deffile = (true if /\$\(DEFFILE\)/ =~ CONFIG["LINK_SO"])
@@ -104,10 +106,15 @@ $(TRANSOBJS): ruby.h intern.h config.h d
 %   df = ("enc/#{e}.def" if deffile)
 $(ENCSODIR)/<%=e%>.$(DLEXT): <%=obj%>
+%   cmd = link_so.sub(/\$\(OBJS\)/) {obj}
+%   base = File.basename(e)
+%   cmd.sub!(/(?=\$\(DLDFLAGS\))/) {dldflags.sub(/\$\(TARGET\)/) {base} + " "} if dldflags
 %   if df
 	echo> <%=df%> EXPORTS
-	echo>> <%=df%> <%=EXPORT_PREFIX%>Init_<%=File.basename(e)%>
+	echo>> <%=df%> <%=EXPORT_PREFIX%>Init_<%=base%>
+%     cmd.sub!(/\$\(DEFFILE\)/) {df}
+%     cmd.gsub!(/-(?:implib|pdb):/) {|s|"#{s}enc/#{e.sub(/[^\/]+\z/, '')}"}
 %   end
 	@$(MAKEDIRS) "$(@D)"
-	<%=link_so.sub(/\$\(OBJS\)/) {obj}.sub(/\$\(DEFFILE\)/) {df}.gsub(/-(?:implib|pdb):/) {|s|"#{s}enc/#{e.sub(/[^\/]+\z/, '')}"}%>
+	<%=cmd%>
 
 % end


-- 
Nobu Nakada