[uClibc] gcc-3.3.2 building problem

[Peter S. Mazinger]

On Sat, 24 Jan 2004, Peter S. Mazinger wrote:

> On Fri, 23 Jan 2004, Peter S. Mazinger wrote:
> 
> On Fri, 23 Jan 2004, Manuel Novoa III wrote:
> 
> > Hello,
> > 
> > On Fri, Jan 23, 2004 at 08:07:14PM +0100, Peter S. Mazinger wrote:
> > > If I try to build gcc3_3_target from within buildroot, it works, but
> > > if I unpack gcc-3.3.2 in a uclibc env, apply all the patches from 
> > > buildroot, run configure without the host/target/build options (in 
> > > gcc3_3_target section) and run make to build c and c++, the libstdc++ 
> > > stuff can't be built.
> > 
> > Since you aren't specifying host/target/build options, you have to
> > fix config.guess to return a tuple like <arch>-<vendor>-linux-uclibc
> > in order for the libstdc++ configuration to choose the correct
> > config/os/<subdir> and config/locale/<subdir> to use.
> 
> I have thought it is done by the gcc-uclibc-* patches? I have checked 
> again, but only binutils-uclibc-* patches do it, the gcc ones not. So I 
> have replaced all config.sub and config.guess with those from 
> newest automake (supports linux-uclibc*) and it does not work either.
> 
> I have done some checks without copying config.*, it works only if 
> host=target=<arch>-linux-uclibc and build=<arch>-linux (as in buildroot), 
> but in this case it is taken as a cross-compilation.
> 
> If I now copy the config.* files, it is recognized as native compiler but 
> can't build libstdc++ (so probably the proper locale is not selected, 
> although I have used --disable-nls).
> 
> What I have found, the libstdc++/configure.in file is patched (by 
> gcc-uclibc-3.3-*), but configure misses the uclibc related parts, so I 
> ran autoconf, now I have the missing parts in configure, but nothing 
> changes. I have checked the libstdc++-v3/config.status file, the tuple is 
> ok: i386-pc-linux-uclibc, so what else can I do?

If I apply attached patch, --target=<arch>-linux-uclibc is not needed.
I haven't found how to omit--build too (earlier I have built with defining 
only --host)

Peter

-- 
Peter S. Mazinger <ps dot m at gmx dot net>           ID: 0xA5F059F2
Key fingerprint = 92A4 31E1 56BC 3D5A 2D08  BB6E C389 975E A5F0 59F2

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-------------- next part --------------
--- libstdc++-v3/configure.target.mps	2004-01-24 17:26:01.000000000 +0100
+++ libstdc++-v3/configure.target	2004-01-24 17:26:38.000000000 +0100
@@ -133,6 +133,9 @@
   freebsd*)
     os_include_dir="os/bsd/freebsd"
     ;;
+  *uclibc*)
+    os_include_dir="os/uclibc"
+    ;;
   gnu* | linux*)
     os_include_dir="os/gnu-linux"
     ;;