Define missing macros for kms_message crypto

Author: alcaeus

config.m4

@@ -266,6 +266,7 @@ if test "$PHP_MONGODB" != "no"; then
 
   if test "$PHP_LIBBSON" = "no" -a "$PHP_LIBMONGOC" = "no"; then
     PHP_MONGODB_BUNDLED_CFLAGS="$STD_CFLAGS -DBSON_COMPILATION -DMONGOC_COMPILATION"
+    PHP_MONGODB_LIBMONGOCRYPT_CFLAGS="$PHP_MONGODB_BUNDLED_CFLAGS -std=gnu99"
 
     dnl M4 doesn't know if we're building statically or as a shared module, so
     dnl attempt to include both paths while ignoring errors. If neither path
@@ -385,7 +386,6 @@ if test "$PHP_MONGODB" != "no"; then
 
     if test "$PHP_CLIENT_SIDE_ENCRYPTION" = "yes"; then
       dnl TODO: MONGOCRYPT-219 makes the -std argument obsolete
-      PHP_MONGODB_LIBMONGOCRYPT_CFLAGS="$PHP_MONGODB_BUNDLED_CFLAGS -std=gnu99"
 
       AC_SUBST(MONGOCRYPT_ENABLE_TRACE, 1)
       AC_SUBST(MONGOCRYPT_IS_POSIX, 1)

scripts/autotools/libmongocrypt/CheckSSL.m4

@@ -11,13 +11,16 @@ if test "$PHP_CLIENT_SIDE_ENCRYPTION" != "no"; then
     AC_SUBST(MONGOCRYPT_ENABLE_CRYPTO, 1)
     AC_SUBST(MONGOCRYPT_ENABLE_CRYPTO_LIBCRYPTO, 0)
     AC_SUBST(MONGOCRYPT_ENABLE_CRYPTO_COMMON_CRYPTO, 1)
+
+    PHP_MONGODB_LIBMONGOCRYPT_CFLAGS="$PHP_MONGODB_LIBMONGOCRYPT_CFLAGS -DKMS_MESSAGE_ENABLE_CRYPTO=1 -DKMS_MESSAGE_ENABLE_CRYPTO_COMMON_CRYPTO=1"
   elif test "$PHP_MONGODB_SSL" = "openssl" -o "$PHP_MONGODB_SSL" = "libressl"; then
     PHP_CLIENT_SIDE_ENCRYPTION="yes"
 
-    AC_SUBST(MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION, 1)
     AC_SUBST(MONGOCRYPT_ENABLE_CRYPTO, 1)
     AC_SUBST(MONGOCRYPT_ENABLE_CRYPTO_LIBCRYPTO, 1)
     AC_SUBST(MONGOCRYPT_ENABLE_CRYPTO_COMMON_CRYPTO, 0)
+
+    PHP_MONGODB_LIBMONGOCRYPT_CFLAGS="$PHP_MONGODB_LIBMONGOCRYPT_CFLAGS -DKMS_MESSAGE_ENABLE_CRYPTO=1 -DKMS_MESSAGE_ENABLE_CRYPTO_LIBCRYPTO=1"
   elif test "$PHP_CLIENT_SIDE_ENCRYPTION" = "auto"; then
     PHP_CLIENT_SIDE_ENCRYPTION="no"