The file $(top_srcdir)/gtk-doc.make doesn't exist, so don't include it.

--- a/doc/Makefile.in	2007-04-08 20:17:25.000000000 +0200
+++ b/doc/Makefile.in	2014-09-06 23:19:41.413397662 +0200
@@ -240,9 +240,6 @@
 distclean-generic clean-generic maintainer-clean-generic clean \
 mostlyclean distclean maintainer-clean
 
-
-include $(top_srcdir)/gtk-doc.make
-
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
 .NOEXPORT:
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<div class='path'>path: <a href='/guix/log/?id=0726d4ea7cb882dd1d3887303e260aba433dd1ef'>root</a>/<a href='/guix/log/gnu?id=0726d4ea7cb882dd1d3887303e260aba433dd1ef'>gnu</a>/<a href='/guix/log/gnu/packages?id=0726d4ea7cb882dd1d3887303e260aba433dd1ef'>packages</a>/<a href='/guix/log/gnu/packages/cryptsetup.scm?id=0726d4ea7cb882dd1d3887303e260aba433dd1ef'>cryptsetup.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/cryptsetup.scm?id=0726d4ea7cb882dd1d3887303e260aba433dd1ef&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2017-05-12 13:47:26 +0200'>2017-05-12</span></td><td><a href='/guix/commit/gnu/packages/cryptsetup.scm?id=ae836e513e366744aa57fcb0104ffc95e47080ad'>gnu: cryptsetup: Update to 1.7.5.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/cryptsetup.scm (cryptsetup): Update to 1.7.5.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2017-05-11 23:51:53 +0200'>2017-05-11</span></td><td><a href='/guix/commit/gnu/packages/cryptsetup.scm?id=2253477e6f33224473451641573d78d430e7ecdf'>gnu: cryptsetup-static: Fix FTBFS with lvm2-static@2.02.171.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/cryptsetup.scm (cryptsetup-static)[arguments]&lt;#:configure-flags&gt;:
Add "-lm" to LIBS.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2017-03-15 22:19:39 +0100'>2017-03-15</span></td><td><a href='/guix/commit/gnu/packages/cryptsetup.scm?id=618e4bfbad0740c4addc9e88d9667d5dc65b0bce'>gnu: cryptsetup: Update to 1.7.4.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/cryptsetup.scm (cryptsetup): Update to 1.7.4.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2016-11-22 23:45:01 +0100'>2016-11-22</span></td><td><a href='/guix/commit/gnu/packages/cryptsetup.scm?id=106b389e525f93a56bd1d25fd33eecbd552a8c93'>gnu: Add 'cryptsetup-static'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/cryptsetup.scm (static-library): New procedure.
(cryptsetup-static): New variable.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2016-11-15 09:45:37 +0200'>2016-11-15</span></td><td><a href='/guix/commit/gnu/packages/cryptsetup.scm?id=336f830961f2a696c4fb7c602e1e378afcd28046'>gnu: cryptsetup: Update to 1.7.3.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/cryptsetup.scm (cryptsetup): Update to 1.7.3.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2016-10-04 10:24:46 -0400'>2016-10-04</span></td><td><a href='/guix/commit/gnu/packages/cryptsetup.scm?id=491dbac41579838031d8a4910b05bdd33030dc87'>gnu: cryptsetup: Update to 1.7.2.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/cryptsetup.scm (cryptsetup): Update to 1.7.2.
[source]: Use kernel mirror.
[home-page]: Update URL.
</span></span></td><td>Leo Famulari</td></tr>