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-rw-r--r--Makefile6
-rw-r--r--NEWS5
-rwxr-xr-xconfigure9
-rw-r--r--doc/index.html4
-rw-r--r--doc/libutmps/index.html25
-rw-r--r--doc/upgrade.html6
-rw-r--r--package/info2
-rw-r--r--package/targets.mak4
8 files changed, 50 insertions, 11 deletions
diff --git a/Makefile b/Makefile
index 9cb6494..9dd4ab1 100644
--- a/Makefile
+++ b/Makefile
@@ -57,7 +57,7 @@ ALL_BINS := $(LIBEXEC_TARGETS) $(BIN_TARGETS)
 ALL_LIBS := $(SHARED_LIBS) $(STATIC_LIBS) $(INTERNAL_LIBS)
 ALL_INCLUDES := $(wildcard src/include/$(package)/*.h)
 
-all: $(ALL_LIBS) $(ALL_BINS) $(ALL_INCLUDES) src/include/utmpx.h
+all: $(ALL_LIBS) $(ALL_BINS) $(ALL_INCLUDES) $(EXTRA_INCLUDES)
 
 clean:
 	@exec rm -f $(ALL_LIBS) $(ALL_BINS) $(wildcard src/*/*.o src/*/*.lo) $(EXTRA_TARGETS)
@@ -86,7 +86,7 @@ install-dynlib: $(SHARED_LIBS:lib%.so.xyzzy=$(DESTDIR)$(dynlibdir)/lib%.so)
 install-libexec: $(LIBEXEC_TARGETS:%=$(DESTDIR)$(libexecdir)/%)
 install-bin: $(BIN_TARGETS:%=$(DESTDIR)$(bindir)/%)
 install-lib: $(STATIC_LIBS:lib%.a.xyzzy=$(DESTDIR)$(libdir)/lib%.a)
-install-include: $(ALL_INCLUDES:src/include/$(package)/%.h=$(DESTDIR)$(includedir)/$(package)/%.h) $(DESTDIR)$(includedir)/utmpx.h
+install-include: $(ALL_INCLUDES:src/include/$(package)/%.h=$(DESTDIR)$(includedir)/$(package)/%.h) $(EXTRA_INCLUDES:src/include/%.h=$(DESTDIR)$(includedir)/%.h)
 install-data: $(ALL_DATA:src/etc/%=$(DESTDIR)$(datadir)/%)
 
 ifneq ($(exthome),)
@@ -128,7 +128,7 @@ $(DESTDIR)$(libdir)/lib%.a: lib%.a.xyzzy
 $(DESTDIR)$(includedir)/$(package)/%.h: src/include/$(package)/%.h
 	exec $(INSTALL) -D -m 644 $< $@
 
-$(DESTDIR)$(includedir)/utmpx.h: src/include/utmpx.h
+$(DESTDIR)$(includedir)/%.h: src/include/%.h
 	exec $(INSTALL) -D -m 644 $< $@
 
 %.o: %.c
diff --git a/NEWS b/NEWS
index 131d82c..8a5f857 100644
--- a/NEWS
+++ b/NEWS
@@ -1,9 +1,12 @@
 Changelog for utmps.
 
-In 0.0.3.3
+In 0.1.0.0
 ----------
 
  - Bugfixes.
+ - utmpx.h is not installed by default anymore.
+You now need to explicitly give the --enable-libc-includes
+configure option.
 
 
 In 0.0.3.2
diff --git a/configure b/configure
index 545c3c6..fcd5d2a 100755
--- a/configure
+++ b/configure
@@ -46,6 +46,7 @@ Optional features:
   --enable-absolute-paths       do not rely on PATH to access this package's binaries,
                                   hardcode absolute BINDIR/foobar paths instead [disabled]
   --enable-nsss                 use the nsss library for user information [disabled]
+  --enable-libc-includes        overwrite utmpx.h in includedir [disabled]
 
   --with-utmpd-socket=PATH      assume the utmpd socket is at PATH [/run/utmps/.utmpd-socket]
   --with-wtmpd-socket=PATH      assume the wtmpd socket is at PATH [/run/utmps/.wtmpd-socket]
@@ -163,6 +164,7 @@ addlibdpath=''
 vpaths=''
 vpathd=''
 build=
+libcincludes=false
 utmpdpath=/run/utmps/.utmpd-socket
 wtmpdpath=/run/utmps/.wtmpd-socket
 
@@ -195,6 +197,8 @@ for arg ; do
     --disable-slashpackage) sproot= ; slashpackage=false ;;
     --enable-absolute-paths|--enable-absolute-paths=yes) abspath=true ;;
     --disable-absolute-paths|--enable-absolute-paths=no) abspath=false ;;
+    --enable-libc-includes|--enable-libc-includes=yes) libcincludes=true ;;
+    --disable-libc-includes|--enable-libc-includes=no) libcincludes=false ;;
     --enable-nsss|--enable-nsss=yes) usensss=true ;;
     --disable-nsss|--enable-nsss=no) usensss=false ;;
     --enable-*|--disable-*|--with-*|--without-*|--*dir=*) ;;
@@ -448,6 +452,11 @@ if $allpic ; then
 else
   echo "STATIC_LIBS_ARE_PIC :="
 fi
+if $libcincludes ; then
+  echo "DO_LIBC_INCLUDES := 1"
+else
+  echo "DO_LIBC_INCLUDES :="
+fi
 if $usensss ; then
   echo "LIBNSSS := -lnsss"
   echo "MAYBEPTHREAD_LIB := -lpthread"
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>
diff --git a/package/info b/package/info
index d4afb81..ea11f8e 100644
--- a/package/info
+++ b/package/info
@@ -1,4 +1,4 @@
 package=utmps
-version=0.0.3.3
+version=0.1.0.0
 category=admin
 package_macro_name=UTMPS
diff --git a/package/targets.mak b/package/targets.mak
index ff763be..3ff5217 100644
--- a/package/targets.mak
+++ b/package/targets.mak
@@ -5,3 +5,7 @@ utmps-wtmpd
 LIBEXEC_TARGETS :=
 
 LIB_DEFS := UTMPS=utmps
+
+ifneq ($(DO_LIBC_INCLUDES),)
+EXTRA_INCLUDES := src/include/utmpx.h
+endif