Re: For testing: full __float128 patch

[Uros Bizjak <ubizjak@gmail.com>]

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Hello!

> On Sun, Aug 29, 2010 at 09:01:49AM +0200, FX wrote:
> > GCC >= 4.5 is needed. I'll add a check to libquad's configure.
> > 
> > FX
> > 
> 
> Further testing on i386-*-freebsd runs into undefined symbols.
> 
> libquad.so: undefined reference to `__getf2'
> libquad.so: undefined reference to `__eqtf2'
> libquad.so: undefined reference to `__addtf3'
> libquad.so: undefined reference to `__floatsitf'
> libquad.so: undefined reference to `__trunctfxf2'
> libquad.so: undefined reference to `__divtf3'
> libquad.so: undefined reference to `__letf2'
> libquad.so: undefined reference to `__unordtf2'
> libquad.so: undefined reference to `__fixtfdi'
> libquad.so: undefined reference to `__fixtfsi'
> libquad.so: undefined reference to `__lttf2'
> libquad.so: undefined reference to `__netf2'
> libquad.so: undefined reference to `__extendxftf2'
> libquad.so: undefined reference to `__extenddftf2'
> libquad.so: undefined reference to `__multf3'
> libquad.so: undefined reference to `__gttf2'
> libquad.so: undefined reference to `__subtf3'
> libgfortran.so: undefined reference to `__floatunditf'
> libquad.so: undefined reference to `__trunctfdf2'
> 
> 
> AFAICT, these should come from libgcc_s.so.1, but for whatever
> reason these are missing.  I have been unable to find how
> to induce gcc to build the required files. 

Try to build gcc with attached patch...

Uros.

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Index: config.gcc
===================================================================
--- config.gcc	(revision 163630)
+++ config.gcc	(working copy)
@@ -3485,6 +3485,9 @@
 	i[34567]86-*-cygwin* | i[34567]86-*-mingw* | x86_64-*-mingw*)
 		tmake_file="${tmake_file} i386/t-fprules-softfp soft-fp/t-softfp"
 		;;
+	i[34567]86-*-freebsd* | x86_64-*-freebsd*)
+		tmake_file="${tmake_file} i386/t-fprules-softfp soft-fp/t-softfp"
+		;;
 	ia64*-*-linux*)
 		tmake_file="${tmake_file} ia64/t-fprules-softfp soft-fp/t-softfp"
 		;;