Index: libtcod-libtcod-b9bd7694f268/build/autotools/Makefile.am

===================================================================

--- libtcod-libtcod-b9bd7694f268/build/autotools/Makefile.am

+++ libtcod-libtcod-b9bd7694f268/build/autotools/Makefile.am	2018-05-14 10:24:19.549967745 +0200

@@ -10,6 +10,9 @@

 AM_LDFLAGS = $(SDL_LIBS) $(X11_LIBS) $(ZLIB_LIBS)

+# See https://autotools.io/libtool/version.html

+VERSION_INFO = -version-info 1:0:0

+

 lib_LTLIBRARIES = libtcod.la libtcodxx.la libtcodgui.la

@@ -32,7 +35,7 @@

 libtcodgui_la_CXXFLAGS = $(CXXFLAGS) -I$(top_srcdir)/../../include/gui

 libtcodgui_la_LIBADD = libtcodxx.la libtcod.la

-

+libtcodgui_la_LDFLAGS = $(AM_LDFLAGS) $(VERSION_INFO)

 externalincludedir = $(includedir)/libtcod/external

 externalinclude_HEADERS = \

@@ -93,6 +96,7 @@

 libtcod_la_CFLAGS = $(AM_CFLAGS) $(PTHREAD_CFLAGS)

 libtcod_la_LIBADD = $(PTHREAD_LIBS)

+libtcod_la_LDFLAGS = $(AM_LDFLAGS) $(VERSION_INFO)

 pkginclude_HEADERS = \

@@ -168,7 +172,9 @@

 	../../src/txtfield.cpp \

 	../../src/zip.cpp

+libtcodxx_la_CFLAGS = $(AM_CFLAGS) $(PTHREAD_CFLAGS)

 libtcodxx_la_LIBADD = libtcod.la

+libtcodxx_la_LDFLAGS = $(AM_LDFLAGS) $(VERSION_INFO)

 if ENABLE_SAMPLES