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| -rw-r--r-- | configure.ac | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 29e44f3c1..b265c75a1 100644 --- a/configure.ac +++ b/configure.ac @@ -1268,6 +1268,28 @@ AC_HELP_STRING([--disable-ares],[Disable ares for name lookups]), CPPFLAGS="$CPPFLAGS -I$enableval/include" LDFLAGS="$LDFLAGS -L$enableval/lib" fi + + dnl verify that a sufficient c-ares is here + AC_MSG_CHECKING([that c-ares is good and recent enough]) + AC_LINK_IFELSE( [ +#include <ares.h> +/* provide a set of dummy functions in case c-ares was built with debug */ +void curl_dofree() { } +void curl_sclose() { } +void curl_domalloc() { } + +int main(void) +{ + ares_channel channel; + ares_cancel(channel); + return 0; +} +], + AC_MSG_RESULT(yes), + AC_MSG_RESULT(no) + AC_MSG_ERROR([c-ares library defective or too old]) + ) + ;; esac ], AC_MSG_RESULT(no) |