[Bug target/40959] [4.3/4.4/4.5/4.6 regression] FreeBSD/ia64 build fails: No rule to make target `/usr/ports/lang/gcc43/work/build/ia64-portbld-freebsd8.0/libgcc/crtfastmath.o', needed by `T_TARGET'.

[mexas at bristol dot ac.uk]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40959

--- Comment #24 from Anton Shterenlikht <mexas at bristol dot ac.uk> 2011-02-22 09:41:48 UTC ---
The error now is:

libtool: compile:  /usr/ports/lang/gcc46/work/build/./gcc/xgcc
-B/usr/ports/lang/gcc46/work/build/./
gcc/ -B/usr/local/ia64-portbld-freebsd9.0/bin/
-B/usr/local/ia64-portbld-freebsd9.0/lib/ -isystem /u
sr/local/ia64-portbld-freebsd9.0/include -isystem
/usr/local/ia64-portbld-freebsd9.0/sys-include -DH
AVE_CONFIG_H -I. -I../.././../gcc-4.6-20110212/libgfortran
-iquote../.././../gcc-4.6-20110212/libgfo
rtran/io -I../.././../gcc-4.6-20110212/libgfortran/../gcc
-I../.././../gcc-4.6-20110212/libgfortran/
../gcc/config -I../.././gcc -D_GNU_SOURCE -std=gnu99 -Wall -Wstrict-prototypes
-Wmissing-prototypes
-Wold-style-definition -Wextra -Wwrite-strings -fcx-fortran-rules
-ffunction-sections -fdata-section
s -g -O2 -pipe -I/usr/local/include -fno-strict-aliasing -MT backtrace.lo -MD
-MP -MF .deps/backtrac
e.Tpo -c ../.././../gcc-4.6-20110212/libgfortran/runtime/backtrace.c  -fPIC
-DPIC -o .libs/backtrace
.o
In file included from ../.././../gcc-4.6-20110212/libgfortran/fmain.c:4:0:
../.././../gcc-4.6-20110212/libgfortran/libgfortran.h:53:29: fatal error:
quadmath_weak.h: No such f
ile or directory
compilation terminated.
In file included from
../.././../gcc-4.6-20110212/libgfortran/runtime/backtrace.c:25:0:
../.././../gcc-4.6-20110212/libgfortran/libgfortran.h:53:29: fatal error:
quadmath_weak.h: No such f
ile or directory
compilation terminated.
gmake[3]: *** [fmain.lo] Error 1
gmake[3]: *** Waiting for unfinished jobs....
gmake[3]: *** [backtrace.lo] Error 1
gmake[3]: Leaving directory
`/usr/ports/lang/gcc46/work/build/ia64-portbld-freebsd9.0/libgfortran'

Please see also:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47648