add -fno-common build to travis

.travis.yml

@@ -3,7 +3,7 @@ matrix:
   include:
     - name: linux-xenial-gcc
       os: linux
-      env: HINTS=linux LUA_VERSION=5.3.5
+      env: HINTS=linux-travis LUA_VERSION=5.3.5
       compiler: gcc
       script:
         - cd sys/unix/ && sh setup.sh hints/$HINTS && cd ../../

sys/unix/hints/linux-travis

@@ -0,0 +1,57 @@
+#
+# NetHack 3.6  linux $NHDT-Date: 1432512814 2015/05/25 00:13:34 $  $NHDT-Branch: master $:$NHDT-Revision: 1.12 $
+# Copyright (c) Kenneth Lorber, Kensington, Maryland, 2007.
+# NetHack may be freely redistributed.  See license for details. 
+#
+#-PRE
+# Linux hints file
+# This hints file provides a single-user tty build for Linux, specifically
+# for Ubuntu dapper.
+
+
+#PREFIX=/usr
+PREFIX=$(wildcard ~)/nh/install
+HACKDIR=$(PREFIX)/games/lib/$(GAME)dir
+SHELLDIR = $(PREFIX)/games
+INSTDIR=$(HACKDIR)
+VARDIR = $(HACKDIR)
+
+
+
+POSTINSTALL=cp -n sys/unix/sysconf $(INSTDIR)/sysconf; $(CHOWN) $(GAMEUID) $(INSTDIR)/sysconf; $(CHGRP) $(GAMEGRP) $(INSTDIR)/sysconf; chmod $(VARFILEPERM) $(INSTDIR)/sysconf;
+
+CFLAGS=-g -O -I../include -DNOTPARMDECL -fno-common
+CFLAGS+=-DDLB
+CFLAGS+=-DCOMPRESS=\"/bin/gzip\" -DCOMPRESS_EXTENSION=\".gz\"
+CFLAGS+=-DSYSCF -DSYSCF_FILE=\"$(HACKDIR)/sysconf\" -DSECURE
+CFLAGS+=-DTIMED_DELAY
+CFLAGS+=-DHACKDIR=\"$(HACKDIR)\"
+CFLAGS+=-DDUMPLOG
+CFLAGS+=-DCONFIG_ERROR_SECURE=FALSE
+CFLAGS+=-DCURSES_GRAPHICS
+#CFLAGS+=-DEXTRA_SANITY_CHECKS
+#CFLAGS+=-DEDIT_GETLIN
+#CFLAGS+=-DSCORE_ON_BOTL
+#CFLAGS+=-DMSGHANDLER
+#CFLAGS+=-DTTY_TILES_ESCCODES
+
+LINK=$(CC)
+# Only needed for GLIBC stack trace:
+LFLAGS=-rdynamic
+
+WINSRC = $(WINTTYSRC) $(WINCURSESSRC)
+WINOBJ = $(WINTTYOBJ) $(WINCURSESOBJ)
+WINLIB = $(WINTTYLIB) $(WINCURSESLIB)
+
+# if TTY_TILES_ESCCODES
+#WINSRC += tile.c
+#WINOBJ += tile.o
+
+WINTTYLIB=-lncurses -ltinfo
+
+CHOWN=true
+CHGRP=true
+
+VARDIRPERM = 0755
+VARFILEPERM = 0600
+GAMEPERM = 0755