debian: distribute static libraries

Suggested by Jeroen Meijer.

* debian/rules: Enable static libraries.
* debian/libbddx-dev.install, debian/libspot-dev.install: Distribute
them.
* THANKS: Add Jeroen.
* NEWS: Mention the change.

NEWS

@@ -11,6 +11,9 @@ New in spot 2.2.2.dev (Not yet released)
     files.  It is still possible to use an external SAT solver by
     setting the SPOT_SATSOLVER environment variable.
 
+  * The development Debian packages for Spot now install static
+    libraries as well.
+
   Tools:
 
   * ltlcross supports translators that output alternating automata in

THANKS

@@ -17,6 +17,7 @@ Heikki Tauriainen
 Jan Strejček
 Jean-Michel Couvreur
 Jean-Michel Ilié
+Jeroen Meijer
 Joachim Klein
 Juraj Major
 Kristin Y. Rozier

debian/libbddx-dev.install

@@ -2,3 +2,4 @@ usr/include/fddx.h
 usr/include/bvecx.h
 usr/include/bddx.h
 usr/lib/*-*/libbddx.so
+usr/lib/*-*/libbddx.a

debian/libspot-dev.install

@@ -1,3 +1,5 @@
 usr/include/spot
 usr/lib/*-*/libspot.so
+usr/lib/*-*/libspot.a
 usr/lib/*-*/libspotltsmin.so
+usr/lib/*-*/libspotltsmin.a

debian/rules

@@ -79,6 +79,18 @@ override_dh_auto_install: fix-js
 	  dh_auto_build -- -C python all;		\
 	  dh_auto_install -- -C python;			\
 	done
+# Reconfigure to build static libraries.  We can't build them
+# alongside dynamic libraries, otherwise they will be stuffed with
+# LTO stuff that is just two big to distribute.  And we cannot use
+# the profile generated with LTO on, so we simply build without it.
+	dh_auto_configure --  \
+	  --disable-devel --enable-optimizations \
+	  --disable-shared --enable-static --disable-python
+	dh_auto_build -- clean
+	dh_auto_build -- all
+	dh_auto_install -- -C buddy
+	dh_auto_install -- -C spot
+# Just remove the Libtool libraries until someone asks for them.
 	find debian/tmp -name '*.la' -exec rm -rv {} ';'
 override_dh_python3:
 	dh_python3 -p python3-spot