If you build a cross-host compiler (such as building a
mips64-linux-gnu native compiler from x86_64-linux-gnu),
--with-gmp and --with-mpfr rightly apply to the host.
However, even the generator files include <gmp.h> and
<mpfr.h>, so the build machine needs gmp.h and mpfr.h
to be installed too. There's no real need for this,
and, as --with-gmp and --with-mpfr show, we can't assume
that the files are installed in the standard directories.
--
Summary: [4.3 Regression] Build machine requires GMP and MPFR for
building cross-host gccs
Product: gcc
Version: 4.3.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: rsandifo at gcc dot gnu dot org
GCC build triplet: x86_64-linux-gnu
GCC host triplet: mips64-linux-gnu
GCC target triplet: mips64-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35051
