Revert "Use -no-undefined when building for windows"

This reverts commit 4a9fb815.

configure.ac

@@ -20,15 +20,11 @@ CFLAGS="${CFLAGS} -Wall -Werror --std=gnu99 -D_GNU_SOURCE"
 CFLAGS="${CFLAGS} -Wpointer-arith -Wcast-align -Wcast-qual -Wstrict-prototypes -Wshadow -Waggregate-return -Wmissing-prototypes -Wnested-externs -Wsign-compare"
 
 dnl check the operating system
-case "${target_os}" in
-  darwin*)
+case x"${target_os}" in
+  xdarwin*)
     CFLAGS="${CFLAGS} -no-cpp-precomp"
     ;;
-  *mingw32* | *cygwin* | *wince* | *mingwce*)
-    have_win32="yes"
-    ;;
 esac
-AM_CONDITIONAL(HAVE_WIN32, test "${have_win32}" = "yes")
 
 dnl --enable-debug
 AC_ARG_ENABLE(debug,

src/Makefile.am

@@ -11,12 +11,7 @@ libdvbpsi_la_SOURCES = dvbpsi.c dvbpsi_private.h \
                        $(tables_src) \
                        $(descriptors_src)
 
-libdvbpsi_la_LDFLAGS = -version-info 8:0:0
-if HAVE_WIN32
-libdvbpsi_la_LDFLAGS += -no-undefined
-else
-libdvbpsi_la_LDFLAGS += -Wl,--no-undefined
-endif
+libdvbpsi_la_LDFLAGS = -version-info 8:0:0 -Wl,--no-undefined
 
 pkginclude_HEADERS = dvbpsi.h psi.h descriptor.h demux.h \
                      tables/pat.h tables/pmt.h tables/sdt.h tables/eit.h \