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AC_SUBST(CARES_LIBS)
AC_SUBST(CARES_CFLAGS)
PKG_CHECK_MODULES([CARES], [libcares], [found_libcares=yes], [found_libcares=no])
SSS_AC_EXPAND_LIB_DIR()
AS_IF([test x"$found_libcares" != xyes],
[AC_CHECK_HEADERS([ares.h],
[AC_CHECK_LIB([cares],
[ares_init],
[CARES_LIBS="-L$sss_extra_libdir -lcares"],
[AC_MSG_ERROR([No usable c-ares library found])],
[-L$sss_extra_libdir])],
[AC_MSG_ERROR([c-ares header files are not installed])])]
)
dnl Check if this particular version of c-ares supports the generic ares_free_data function
AC_CHECK_LIB([cares],
[ares_free_data],
[AC_DEFINE([HAVE_ARES_DATA], 1, [Does c-ares have ares_free_data()?])
],
[ares_data=1],
[$CARES_LIBS]
)
AM_CONDITIONAL(BUILD_ARES_DATA, test x$ares_data = x1)
dnl Check if this particular version of c-ares support the new TTL structures
AC_CHECK_TYPES([struct ares_addrttl, struct ares_addr6ttl], [], [], [#include <ares.h>])
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