[Bug bootstrap/66947] New: Bootstrap error: Extraneous text after `else' directive

["skunk at iskunk dot org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66947

            Bug ID: 66947
           Summary: Bootstrap error: Extraneous text after `else'
                    directive
           Product: gcc
           Version: 5.2.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: skunk at iskunk dot org
  Target Milestone: ---
              Host: x86_64-unknown-linux-gnu
            Target: x86_64-unknown-linux-gnu
             Build: x86_64-unknown-linux-gnu

Bootstrapping 5.2.0 on a 64-bit Linux system:

[...]
config.status: linking /home/src/gcc-5.2.0/libgcc/config/i386/sfp-machine.h to
sfp-machine.h
config.status: linking /home/src/gcc-5.2.0/libgcc/gthr-posix.h to
gthr-default.h
config.status: executing default commands
gmake[3]: Entering directory `/tmp/gcc-build/x86_64-unknown-linux-gnu/libgcc'
/home/src/gcc-5.2.0/libgcc/config/t-softfp:106: Extraneous text after `else'
directive
/home/src/gcc-5.2.0/libgcc/config/t-softfp:113: *** only one `else' per
conditional.  Stop.
gmake[3]: Leaving directory `/tmp/gcc-build/x86_64-unknown-linux-gnu/libgcc'
gmake[2]: *** [all-stage1-target-libgcc] Error 2
gmake[2]: Leaving directory `/tmp/gcc-build'
gmake[1]: *** [stage1-bubble] Error 2
gmake[1]: Leaving directory `/tmp/gcc-build'
gmake: *** [bootstrap-lean] Error 2


$ gmake --version
GNU Make 3.80
Copyright (C) 2002  Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.


I think the "else ifneq ..." construct in the t-softfp file requires a newer
version of GNU Make. (The GCC "Prerequisites" page indicates that version 3.80
is sufficient.)