DOLDA_PKG([HAS_LIBPURPLE], [PKG_CHECK_MODULES(PURPLE, purple, [], [HAS_LIBPURPLE=no])],
[DOLDA_CHECK_HEADER(plugin.h, [], [HAS_LIBPURPLE=no], $PURPLE_CFLAGS)])
DOLDA_PKG([HAS_LIBPURPLE], [PKG_CHECK_MODULES(PURPLE, purple, [], [HAS_LIBPURPLE=no])],
[DOLDA_CHECK_HEADER(plugin.h, [], [HAS_LIBPURPLE=no], $PURPLE_CFLAGS)])