removed Werror and added check for AM_PROG_AR

configure.ac

@@ -8,8 +8,8 @@ m4_define([OH_NAME], [openhmd])
 
 AC_PREREQ([2.13])
 AC_INIT([OH_NAME], [OH_VERSION_STRING], [noname@nurd.se])
-AM_INIT_AUTOMAKE([foreign -Wall -Werror])
-AM_PROG_AR
+AM_INIT_AUTOMAKE([foreign -Wall])
+m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
 LT_INIT
 AC_CANONICAL_HOST
 

examples/simple/Makefile.am

@@ -1,5 +1,5 @@
 bin_PROGRAMS = simple
-AM_CPPFLAGS = -Wall -Werror -I$(top_srcdir)/include -DOHMD_STATIC
+AM_CPPFLAGS = -Wall -I$(top_srcdir)/include -DOHMD_STATIC
 simple_SOURCES = simple.c
 simple_LDADD = $(top_srcdir)/src/libopenhmd.la -lm
 simple_LDFLAGS = -static-libtool-libs

src/Makefile.am

@@ -14,4 +14,4 @@ libopenhmd_la_SOURCES = \
 	fusion.c
 
 libopenhmd_la_LDFLAGS = $(hidapi_LIBS) -no-undefined -version-info 0:0:0 $(EXTRA_LD_FLAGS)
-libopenhmd_la_CPPFLAGS = -fPIC -I$(top_srcdir)/include $(hidapi_CFLAGS) -Wall -Werror
+libopenhmd_la_CPPFLAGS = -fPIC -I$(top_srcdir)/include $(hidapi_CFLAGS) -Wall