1 AC_DEFUN([PDNS_CHECK_LIBCRYPTO_ECDSA], [
2 AC_REQUIRE([PDNS_CHECK_LIBCRYPTO])
4 # Set the environment correctly for a possibly non-default OpenSSL path that was found by/supplied to PDNS_CHECK_LIBCRYPTO
5 save_CPPFLAGS="$CPPFLAGS"
6 save_LDFLAGS="$LDFLAGS"
9 CPPFLAGS="$LIBCRYPTO_INCLUDES $CPPFLAGS"
10 LDFLAGS="$LIBCRYPTO_LDFLAGS $LDFLAGS"
11 LIBS="$LIBCRYPTO_LIBS $LIBS"
13 # Find the headers we need for ECDSA
15 AC_CHECK_HEADER([$ssldir/include/openssl/ecdsa.h], [
16 AC_CHECK_DECLS([NID_X9_62_prime256v1, NID_secp384r1], [ : ], [
18 ], [AC_INCLUDES_DEFAULT
19 #include <$ssldir/include/openssl/evp.h>
25 AS_IF([test "x$libcrypto_ecdsa" = "xyes"], [
26 AC_DEFINE([HAVE_LIBCRYPTO_ECDSA], [1], [define to 1 if OpenSSL ecdsa support is available.])
30 CPPFLAGS="$save_CPPFLAGS"
31 LDFLAGS="$save_LDFLAGS"