AC_CHECK_HEADERS() and the action-if-found since that action is run even if
just one of the six headers is found and I just now fell over a case with
a duplicate file name (a krb4 implementation with an err.h file).
I converted the check to manually make sure three of the headers are present
before considering them fine.
AC_DEFINE(USE_OPENSSL, 1, [if OpenSSL is in use]))
if test $ac_cv_header_openssl_x509_h = no; then
- AC_CHECK_HEADERS(x509.h rsa.h crypto.h pem.h ssl.h err.h,
+ dnl we don't use the "action" part of the AC_CHECK_HEADERS macro
+ dnl since 'err.h' might in fact find a krb4 header with the same
+ dnl name
+ AC_CHECK_HEADERS(x509.h rsa.h crypto.h pem.h ssl.h err.h)
+
+ if test $ac_cv_header_x509_h = yes &&
+ test $ac_cv_header_crypto_h = yes &&
+ test $ac_cv_header_ssl_h = yes; then
+ dnl three matches
curl_ssl_msg="enabled (OpenSSL)"
- OPENSSL_ENABLED=1)
+ OPENSSL_ENABLED=1
+ fi
fi
fi