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Re: For testing: full __float128 patch
On Sat, Aug 28, 2010 at 05:47:28PM -0700, Steve Kargl wrote:
> On Sun, Aug 29, 2010 at 01:24:47AM +0200, FX wrote:
> > Before I submit it officially for review, I want this patch to get some exposure while I clean up a few remaining dusty corners. To test the patch on x86_64-linux, proceed as follows:
> > -- Get libquad from http://quatramaran.ens.fr/~coudert/tmp/libquad.tar.bz2 , then ./configure --prefix=/foo && make && make install
> > -- Build GCC with the extra configure argument: --with-quad=/foo (to be given to the toplevel configure command, like --with-gmp, nothing fancy)
> > Things to test in particular:
> > -- I've tested this on linux and Mac OS; although it's pretty much OS-insensitive, does it work on things like FreeBSD and Windows?
> > -- check carefully I/O support; in particular, the "output formatting" (i.e. writing out the values) involves a wrapper of my own around the gdtoa code, which was a bit painful to write, so bugs might have crawled in there
> On i386-*-freebsd,
> ./configure --prefix=$HOME/work
> -O2 -MT libgfortran_io.lo -MD -MP -MF .deps/libgfortran_io.Tpo -c -o libgfortran_io.lo libgfortran_io.c
> libtool: compile: gcc -DHAVE_CONFIG_H -I. -I.. -g -O2 -MT libgfortran_io.lo -MD -MP -MF .deps/libgfortran_io.Tpo -c libgfortran_io.c -fPIC -DPIC -o .libs/libgfortran_io.o
> In file included from libgfortran_io.c:1:
> quad.h:8: error: unable to emulate 'TC'
gcc, here, is the FreeBSD system compiler.
gcc (GCC) 4.2.1 20070719 [FreeBSD]
If I set my path to include ~/work/bin (where the 4.6.0 gcc lives)
as the first directory to search, libquad builds fine. So, what
is the minimum required gcc version needs to build libquad?