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Summary
On Centos 6 HPC node, I would like to get R 3.5.0 installed, but glib seems to break the compile.

Expected Result

I expect glib 2.5.6 to install..... glib 2.55.1 installs just fine

Actual Result

==> Installing glib
==> Using cached archive: /suppscr/csde/spack/spack/var/spack/cache/glib/glib-2.56.0.tar.xz
==> Staging archive: /suppscr/csde/spack/spack/var/spack/stage/glib-2.56.0-qkzow5e5li54lwgmd53r2t2aqhtm2rxz/glib-2.56.0.tar.xz
==> Created stage in /suppscr/csde/spack/spack/var/spack/stage/glib-2.56.0-qkzow5e5li54lwgmd53r2t2aqhtm2rxz
==> Applied patch no-Werror=format-security.patch
==> Building glib [AutotoolsPackage]
==> Executing phase: 'autoreconf'
==> Executing phase: 'configure'
==> Executing phase: 'build'
==> Error: ProcessError: Command exited with status 2:
'make' '-j16'

9 errors found in build log:
1236 CC libgio_2_0_la-ginetsocketaddress.lo
1237 CC libgio_2_0_la-ginitable.lo
1238 CC libgio_2_0_la-ginputstream.lo
1239 CC libgio_2_0_la-gioerror.lo
1240 CC libgio_2_0_la-giomodule.lo
1241 gfile.c: In function ‘splice_stream_with_progress’:

1242 gfile.c:3017: error: ‘F_SETPIPE_SZ’ undeclared (first use in this function)
1243 gfile.c:3017: error: (Each undeclared identifier is reported only once
1244 gfile.c:3017: error: for each function it appears in.)
1245 gfile.c:3021: error: ‘F_GETPIPE_SZ’ undeclared (first use in this function)
1246 CC libgio_2_0_la-giomodule-priv.lo
1247 CC libgio_2_0_la-gioscheduler.lo
1248 make[4]: *** [libgio_2_0_la-gfile.lo] Error 1
1249 make[4]: *** Waiting for unfinished jobs....
1250 In file included from ../gobject/gbinding.h:29,
1251 from ../glib/glib-object.h:23,
1252 from ../gio/gioenums.h:28,
1253 from ../gio/giotypes.h:28,
1254 from ../gio/ginputstream.h:28,

 ...

 1367                     from giomodule.c:25:
 1368    ../gobject/gobject.h: In function ‘g_set_object’:
 1369    ../gobject/gobject.h:725: warning: value computed is not used
 1370    giomodule.c: In function ‘_g_io_modules_ensure_extension_points_registered’:
 1371    giomodule.c:1018: warning: ‘g_desktop_app_info_lookup_get_type’ is deprecated (declared at gdesktopappinfo.h
         :141)
 1372    make[4]: Leaving directory `/tmp/mbw/spack-stage/spack-stage-CB_z_z/glib-2.56.0/gio'

1373 make[3]: *** [all-recursive] Error 1
1374 make[3]: Leaving directory /tmp/mbw/spack-stage/spack-stage-CB_z_z/glib-2.56.0/gio' 1375 make[2]: *** [all] Error 2 1376 make[2]: Leaving directory /tmp/mbw/spack-stage/spack-stage-CB_z_z/glib-2.56.0/gio'
1377 make[1]: *** [all-recursive] Error 1
1378 make[1]: Leaving directory `/tmp/mbw/spack-stage/spack-stage-CB_z_z/glib-2.56.0'
1379 make: *** [all] Error 2

See build log for details:
/suppscr/csde/spack/spack/var/spack/stage/glib-2.56.0-qkzow5e5li54lwgmd53r2t2aqhtm2rxz/glib-2.56.0/spack-build.out
[mbw@n0470 spack]$

What happened instead

glib 2.56 fails to compile, and so R 3.5.0 fails to compile.

Steps to reproduce the issue

$ spack install [email protected]
or more simply:
$ spack install [email protected]
...

Information on your system

This includes:

1. which platform you are using

CentOS 6 [
mbw@n0470 spack]$ uname -a
Linux n0470 2.6.32-696.10.3.el6.x86_64 #1 SMP Tue Sep 26 18:14:22 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

2. any relevant configuration detail (custom packages.yaml or modules.yaml, etc.)
   no custom anything