Prepare for 0.1.0.0; don't install utmpx.h by default

 New --enable-libc-includes configure option to overwrite the
system utmpx.h

3 files changed, 29 insertions, 6 deletions

diff --git a/doc/index.html b/doc/index.html
index 247a9a0..a911019 100644
--- a/doc/index.html
+++ b/doc/index.html
@@ -70,13 +70,13 @@ suitable replacement for
 
 <p>
  utmps is free software. It is available under the
-<a href="http://opensource.org/licenses/ISC">ISC license</a>.
+<a href="https://opensource.org/licenses/ISC">ISC license</a>.
 </p>
 
 <h3> Download </h3>
 
 <ul>
- <li> The current released version of utmps is <a href="utmps-0.0.3.3.tar.gz">0.0.3.3</a>. </li>
+ <li> The current released version of utmps is <a href="utmps-0.1.0.0.tar.gz">0.1.0.0</a>. </li>
  <li> Alternatively, you can checkout a copy of the
 <a href="//git.skarnet.org/cgi-bin/cgit.cgi/utmps/">utmps
 git repository</a>:
diff --git a/doc/libutmps/index.html b/doc/libutmps/index.html
index f2fb86f..dc41fda 100644
--- a/doc/libutmps/index.html
+++ b/doc/libutmps/index.html
@@ -35,6 +35,17 @@ interface, which in utmps is implemented as a series of thin wrappers
 around the utmps library.
 </p>
 
+<p>
+ A suitable <tt>utmpx.h</tt> header can be found in the <tt>utmps/</tt>
+subdirectory of
+the header installation directory; if the <tt>--enable-libc-includes</tt>
+option has been given to configure, it can also be found directly
+in that directory. (Example: <tt>/usr/include/utmps/utmpz.h</tt> is
+always installed, but if the option has been given at nsss build time,
+<tt>/usr/include/utmpx.h</tt> is also installed and replaces the
+version provided by the libc.)
+</p>
+
 <h2> Compiling </h2>
 
 <ul>
@@ -42,9 +53,17 @@ around the utmps library.
 are visible in your header search path. </li>
  <li> Use <tt>#include &lt;utmps/utmps.h&gt;</tt> </li>
  <li> To use the standard <tt>utmpx.h</tt> interface, you can
-just <tt>#include &lt;utmpx.h&gt;</tt>, which will work as long
-as the <tt>utmps/utmpx.h</tt> header is accessible in your header
-search path. </li>
+just <tt>#include &lt;utmpx.h&gt;</tt>, which will work:
+  <ul>
+   <li> either if the <tt>--enable-libc-includes</tt> option
+has been given at utmps build time </li>
+   <li> or if you give the <tt>-I/usr/include/utmps</tt> option
+to your compiler. (Depending on your standard header location,
+specify that the header search path should include the
+<tt>utmps</tt> subdirectory of that location.) This is useful when
+the administrator did not want to overwrite the libc-provided
+<tt>utmpx.h</tt> file when they installed utmps. </li>
+  </ul> </li>
 </ul>
 
 <h2> Linking </h2>
diff --git a/doc/upgrade.html b/doc/upgrade.html
index d700919..a01dfc3 100644
--- a/doc/upgrade.html
+++ b/doc/upgrade.html
@@ -18,13 +18,17 @@
 
 <h1> What has changed in utmps </h1>
 
-<h2> in 0.0.3.3 </h2>
+<h2> in 0.1.0.0 </h2>
 
 <ul>
  <li> <a href="//skarnet.org/software/skalibs/">skalibs</a>
 dependency bumped to 2.10.0.0. </li>
  <li> <a href="//skarnet.org/software/s6/">s6</a> run-time
 dependency bumped to 2.10.0.0. </li>
+ <li> The <tt>utmpx.h</tt> header files is
+not installed by default anymore. You now need to explicitly give the
+<tt>--enable-libc-includes</tt> configure option in order to install it. The
+point of this change is to avoid overwriting libc headers accidentally. </li>
 </ul>
 
 <h2> in 0.0.3.2 </h2>