One might want to run ./configure before building the crypto library.
To correctly check from AEAD support in that case, check for the
function declaration, rather than trying to link to it.
Signed-off-by: Steffan Karger <steffan.kar...@fox-it.com>
---
configure.ac | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/configure.ac b/configure.ac
index 4a45f05..aaa688e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -867,10 +867,11 @@ if test "${enable_crypto}" = "yes" -a
"${with_crypto_library}" = "openssl"; then
fi
have_crypto_aead_modes="yes"
- AC_CHECK_FUNCS(
+ AC_CHECK_DECLS(
[EVP_aes_256_gcm],
,
- [have_crypto_aead_modes="no"; break]
+ [have_crypto_aead_modes="no"; break],
+ [[ #include <openssl/evp.h> ]]
)
CFLAGS="${saved_CFLAGS}"
@@ -947,14 +948,13 @@ elif test "${enable_crypto}" = "yes" -a
"${with_crypto_library}" = "mbedtls"; th
fi
fi
- have_crypto_aead_modes="yes"
- AC_CHECK_FUNCS(
- [ \
- mbedtls_cipher_write_tag \
- mbedtls_cipher_check_tag \
- ],
- ,
- [have_crypto_aead_modes="no"; break]
+ # Check mbed TLS AEAD support
+ have_crypto_aead_modes="no"
+ AC_CHECK_DECLS(
+ [ mbedtls_cipher_write_tag, mbedtls_cipher_check_tag ],
+ [ have_crypto_aead_modes="yes"],
+ [],
+ [[ #include <mbedtls/cipher.h> ]]
)
CFLAGS="${saved_CFLAGS}"
--
2.7.4
------------------------------------------------------------------------------
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