+- AC_MSG_NOTICE([User set ${SV_MODULE_MODULE}_LIBS explicitly, skipping test for $SV_MODULE_MODULE])
+- CXXFLAGS="$CXXFLAGS $$1_CFLAGS"
+- LIBS="$LIBS $$1_LIBS"
+- SV_MODULE_FAILED=""
+-fi
+-if test -z "$SV_MODULE_VERSION_TEST" ; then
+- SV_MODULE_VERSION_TEST=$SV_MODULE_MODULE
+-fi
+-if test -n "$SV_MODULE_FAILED" && test -n "$PKG_CONFIG"; then
+- PKG_CHECK_MODULES($1,[$SV_MODULE_VERSION_TEST],[HAVES="$HAVES $SV_MODULE_HAVE";CXXFLAGS="$CXXFLAGS $$1_CFLAGS";LIBS="$LIBS $$1_LIBS";SV_MODULE_FAILED=""],[AC_MSG_NOTICE([Failed to find optional module $SV_MODULE_MODULE using pkg-config, trying again by old-fashioned means])])
+-fi
+-if test -n "$SV_MODULE_FAILED"; then
+- AC_CHECK_HEADER([$SV_MODULE_HEADER],[HAVES="$HAVES $SV_MODULE_HAVE";SV_MODULE_FAILED=""],[AC_MSG_NOTICE([Failed to find header $SV_MODULE_HEADER for optional module $SV_MODULE_MODULE])])
+- if test -z "$SV_MODULE_FAILED"; then
+- if test -n "$SV_MODULE_LIB"; then
+- AC_CHECK_LIB([$SV_MODULE_LIB],[$SV_MODULE_FUNC],[LIBS="$LIBS -l$SV_MODULE_LIB"],[AC_MSG_NOTICE([Failed to find library $SV_MODULE_LIB for optional module $SV_MODULE_MODULE])])
+- AC_MSG_NOTICE([User set ${SV_MODULE_MODULE}_LIBS explicitly, skipping test for $SV_MODULE_MODULE])
+- CXXFLAGS="$CXXFLAGS $$1_CFLAGS"
+- LIBS="$LIBS $$1_LIBS"
+- SV_MODULE_FAILED=""
+-fi
+-if test -z "$SV_MODULE_VERSION_TEST" ; then
+- SV_MODULE_VERSION_TEST=$SV_MODULE_MODULE
+-fi
+-if test -n "$SV_MODULE_FAILED" && test -n "$PKG_CONFIG"; then
+- PKG_CHECK_MODULES($1,[$SV_MODULE_VERSION_TEST],[HAVES="$HAVES $SV_MODULE_HAVE";CXXFLAGS="$CXXFLAGS $$1_CFLAGS";LIBS="$LIBS $$1_LIBS";SV_MODULE_FAILED=""],[AC_MSG_NOTICE([Failed to find optional module $SV_MODULE_MODULE using pkg-config, trying again by old-fashioned means])])
+-fi
+-if test -n "$SV_MODULE_FAILED"; then
+- AC_CHECK_HEADER([$SV_MODULE_HEADER],[HAVES="$HAVES $SV_MODULE_HAVE";SV_MODULE_FAILED=""],[AC_MSG_NOTICE([Failed to find header $SV_MODULE_HEADER for optional module $SV_MODULE_MODULE])])
+- if test -z "$SV_MODULE_FAILED"; then
+- if test -n "$SV_MODULE_LIB"; then
+- AC_CHECK_LIB([$SV_MODULE_LIB],[$SV_MODULE_FUNC],[LIBS="$LIBS -l$SV_MODULE_LIB"],[AC_MSG_NOTICE([Failed to find library $SV_MODULE_LIB for optional module $SV_MODULE_MODULE])])
+- AC_MSG_NOTICE([User set ${SV_MODULE_MODULE}_LIBS explicitly, skipping test for $SV_MODULE_MODULE])
+- CXXFLAGS="$CXXFLAGS $$1_CFLAGS"
+- LIBS="$LIBS $$1_LIBS"
+- SV_MODULE_FAILED=""
+-fi
+-if test -z "$SV_MODULE_VERSION_TEST" ; then
+- SV_MODULE_VERSION_TEST=$SV_MODULE_MODULE
+-fi
+-if test -n "$SV_MODULE_FAILED" && test -n "$PKG_CONFIG"; then
+- PKG_CHECK_MODULES($1,[$SV_MODULE_VERSION_TEST],[HAVES="$HAVES $SV_MODULE_HAVE";CXXFLAGS="$CXXFLAGS $$1_CFLAGS";LIBS="$LIBS $$1_LIBS";SV_MODULE_FAILED=""],[AC_MSG_NOTICE([Failed to find optional module $SV_MODULE_MODULE using pkg-config, trying again by old-fashioned means])])
+-fi
+-if test -n "$SV_MODULE_FAILED"; then
+- AC_CHECK_HEADER([$SV_MODULE_HEADER],[HAVES="$HAVES $SV_MODULE_HAVE";SV_MODULE_FAILED=""],[AC_MSG_NOTICE([Failed to find header $SV_MODULE_HEADER for optional module $SV_MODULE_MODULE])])
+- if test -z "$SV_MODULE_FAILED"; then
+- if test -n "$SV_MODULE_LIB"; then
+- AC_CHECK_LIB([$SV_MODULE_LIB],[$SV_MODULE_FUNC],[LIBS="$LIBS -l$SV_MODULE_LIB"],[AC_MSG_NOTICE([Failed to find library $SV_MODULE_LIB for optional module $SV_MODULE_MODULE])])
+- AC_MSG_NOTICE([User set ${SV_MODULE_MODULE}_LIBS explicitly, skipping test for $SV_MODULE_MODULE])
+- CXXFLAGS="$CXXFLAGS $$1_CFLAGS"
+- LIBS="$LIBS $$1_LIBS"
+- SV_MODULE_FAILED=""
+-fi
+-if test -z "$SV_MODULE_VERSION_TEST" ; then
+- SV_MODULE_VERSION_TEST=$SV_MODULE_MODULE
+-fi
+-if test -n "$SV_MODULE_FAILED" && test -n "$PKG_CONFIG"; then
+- PKG_CHECK_MODULES($1,[$SV_MODULE_VERSION_TEST],[HAVES="$HAVES $SV_MODULE_HAVE";CXXFLAGS="$CXXFLAGS $$1_CFLAGS";LIBS="$LIBS $$1_LIBS";SV_MODULE_FAILED=""],[AC_MSG_NOTICE([Failed to find optional module $SV_MODULE_MODULE using pkg-config, trying again by old-fashioned means])])
+-fi
+-if test -n "$SV_MODULE_FAILED"; then
+- AC_CHECK_HEADER([$SV_MODULE_HEADER],[HAVES="$HAVES $SV_MODULE_HAVE";SV_MODULE_FAILED=""],[AC_MSG_NOTICE([Failed to find header $SV_MODULE_HEADER for optional module $SV_MODULE_MODULE])])
+- if test -z "$SV_MODULE_FAILED"; then
+- if test -n "$SV_MODULE_LIB"; then
+- AC_CHECK_LIB([$SV_MODULE_LIB],[$SV_MODULE_FUNC],[LIBS="$LIBS -l$SV_MODULE_LIB"],[AC_MSG_NOTICE([Failed to find library $SV_MODULE_LIB for optional module $SV_MODULE_MODULE])])