Fix compilation with mingw.

configure.ac

@@ -83,7 +83,7 @@ antlr_java_prefixes="$antlr_prefix/share/java /usr/local/share/java /usr/share/j
 	if test $antlr_jar = "no" ; then
 		AC_MSG_ERROR([Could not find antlr.jar. Please install antlr3 ])
 	fi
-	AC_PATH_PROG([JAVA],[java])
+	AC_PATH_PROG([JAVA],[java],[no])
 	if test $JAVA = "no" ; then
 		AC_MSG_ERROR([Could not find java prog. Please install java ])
 	else	
@@ -135,6 +135,7 @@ case "$target_os" in
 	*mingw*)
 		CPPFLAGS="$CPPFLAGS -D_WIN32_WINNT=0x0501"
 		LIBS="$LIBS -lws2_32"
+		LDFLAGS="$LDFLAGS -Wl,--export-all-symbols"
 	;;
 esac
 

src/Makefile.am

@@ -68,7 +68,7 @@ libbellesip_la_CFLAGS=$(STRICT_OPTIONS) $(ANTLR_CFLAGS) $(TLS_CFLAGS)
 
 libbellesip_la_LIBADD=libbellesip_generated.la $(ANTLR_LIBS) $(TLS_LIBS)
 
-libbellesip_la_LDFLAGS=-no-undefined
+libbellesip_la_LDFLAGS=-no-undefined $(LDFLAGS)
 
 
 AM_CPPFLAGS=-I$(top_srcdir)/include

tester/Makefile.am

@@ -17,7 +17,7 @@ belle_sip_tester_SOURCES=	belle_sip_tester.c \
 
 belle_sip_tester_CFLAGS=$(CUNIT_CFLAGS) $(STRICT_OPTIONS)
 
-belle_sip_tester_LDFLAGS=$(CUNIT_LIBS)
+belle_sip_tester_LDFLAGS=$(CUNIT_LIBS) $(AM_LDFLAGS)
 
 belle_sip_object_describe_SOURCES=describe.c
 
@@ -25,7 +25,7 @@ AM_CPPFLAGS=-I$(top_srcdir)/include -I$(top_srcdir)/src
 
 LDADD=$(top_builddir)/src/libbellesip.la 
 
-AM_LDFLAGS=-export-dynamic 
+AM_LDFLAGS=-no-undefined -export-dynamic 
 
 AM_CFLAGS=$(STRICT_OPTIONS)