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AC_DEFUN([PDNS_CHECK_LIBCRYPTO_ECDSA], [
AC_REQUIRE([PDNS_CHECK_LIBCRYPTO])
# Set the environment correctly for a possibly non-default OpenSSL path that was found by/supplied to PDNS_CHECK_LIBCRYPTO
save_CPPFLAGS="$CPPFLAGS"
save_LDFLAGS="$LDFLAGS"
save_LIBS="$LIBS"
CPPFLAGS="$LIBCRYPTO_INCLUDES $CPPFLAGS"
LDFLAGS="$LIBCRYPTO_LDFLAGS $LDFLAGS"
LIBS="$LIBCRYPTO_LIBS $LIBS"
# Find the headers we need for ECDSA
libcrypto_ecdsa=yes
AC_CHECK_HEADER([$ssldir/include/openssl/ecdsa.h], [
AC_CHECK_DECLS([NID_X9_62_prime256v1, NID_secp384r1], [ : ], [
libcrypto_ecdsa=no
], [AC_INCLUDES_DEFAULT
#include <$ssldir/include/openssl/evp.h>
])
], [
libcrypto_ecdsa=no
])
AS_IF([test "x$libcrypto_ecdsa" = "xyes"], [
AC_DEFINE([HAVE_LIBCRYPTO_ECDSA], [1], [define to 1 if OpenSSL ecdsa support is available.])
])
# Restore variables
CPPFLAGS="$save_CPPFLAGS"
LDFLAGS="$save_LDFLAGS"
LIBS="$save_LIBS"
])
|
