Problem configuring pspp-0.10.0 on Linux Slackware 14.1

[Frans Houweling]

Trying to configure pspp-0.10.0 on Slackware 14.1 I get:
> checking whether <wchar.h> uses 'inline' correctly... no
> configure: error: <wchar.h> cannot be used with this compiler (gcc 
> -std=gnu99 -g -O2  -pthread -I/usr/include/cairo 
> -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include 
> -I/usr/include/pixman-1 -I/usr/include/freetype2 
> -I/usr/include/libpng14 -I/usr/include/libdrm -I/usr/include/pango-1.0  ).
> This is a known interoperability problem of glibc <= 2.5 with gcc >= 
> 4.3 in
> C99 mode. You have four options:
>   - Add the flag -fgnu89-inline to CC and reconfigure, or
>   - Fix your include files, using parts of
> <http://sourceware.org/git/?p=glibc.git;a=commitdiff;h=b037a293a48718af30d706c2e18c929d0e69a621>, 
> or
>   - Use a gcc version older than 4.3, or
>   - Don't use the flags -std=c99 or -std=gnu99.

The same issue came up two years ago for pspp-0.8.3: 
http://lists.gnu.org/archive/html/pspp-dev/2014-04/msg00020.html

> pspp-0.10.0$ gcc --version
> gcc (GCC) 4.8.2
>
> pspp-0.10.0$ uname -a
> Linux bersano 3.10.17 #2 SMP Fri Feb 14 16:45:28 CST 2014 x86_64 
> Intel(R) Pentium(R) 4 CPU 2.80GHz GenuineIntel GNU/Linux
>
> pspp-0.10.0$ whereis glibc
> glibc: /usr/man/man7/glibc.7.gz /usr/share/man/man7/glibc.7.gz 
> /usr/X11/man/man7/glibc.7.gz
> pspp-0.10.0$ ls /var/log/packages/ | grep glibc
> glibc-2.17-x86_64-11_slack14.1
> glibc-i18n-2.17-x86_64-11_slack14.1
> glibc-profile-2.17-x86_64-11_slack14.1
> glibc-solibs-2.17-x86_64-11_slack14.1
> glibc-zoneinfo-2016c-noarch-1_slack14.1
I attach config.log and wchar.h (the latter seems to already have the 
fixes configure suggests).

Thanks for your help
frans

config.log
Description: Text Data

wchar.h
Description: Text Data