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configure: improve nettle and gnutls check

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Before enabling NTS, check for more gnutls functions (some added in
3.6.3) to avoid build failures with older gnutls versions. Also, make
sure that nettle supports the new AES interface (added in 3.0).
This commit is contained in:
Miroslav Lichvar 2020-03-10 14:02:08 +01:00
parent 31e6a50386
commit 46f954490d
1 changed files with 6 additions and 2 deletions
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8
configure vendored
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@ -971,8 +971,12 @@ if [ $feat_ntp = "1" ] && [ $feat_nts = "1" ] && [ $try_gnutls = "1" ] && \
test_cflags="`pkg_config --cflags gnutls`"
test_link="`pkg_config --libs gnutls`"
if test_code 'gnutls' 'gnutls/gnutls.h' \
"$test_cflags" "$test_link" \
'gnutls_init(NULL, 0);'
"$test_cflags" "$test_link" '
return gnutls_init(NULL, 0) +
gnutls_priority_init2(NULL, "", NULL, GNUTLS_PRIORITY_INIT_DEF_APPEND) +
gnutls_prf_rfc5705(NULL, 0, "", 0, "", 16, NULL);' &&
test_code 'AES128 in nettle' 'nettle/aes.h' '' "$LIBS" \
'aes128_set_encrypt_key(NULL, NULL);'
then
EXTRA_OBJECTS="$EXTRA_OBJECTS nts_ke_client.o nts_ke_server.o nts_ke_session.o"
EXTRA_OBJECTS="$EXTRA_OBJECTS nts_ntp_auth.o nts_ntp_client.o nts_ntp_server.o"