Moved 'define handling code' to top
diff --git a/programs/x509/cert_app.c b/programs/x509/cert_app.c
index 40d76d8..0096735 100644
--- a/programs/x509/cert_app.c
+++ b/programs/x509/cert_app.c
@@ -39,6 +39,25 @@
 #include "polarssl/ssl.h"
 #include "polarssl/x509.h"
 
+#if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_ENTROPY_C) ||  \
+    !defined(POLARSSL_SSL_TLS_C) || !defined(POLARSSL_SSL_CLI_C) || \
+    !defined(POLARSSL_NET_C) || !defined(POLARSSL_RSA_C) ||         \
+    !defined(POLARSSL_X509_PARSE_C) || !defined(POLARSSL_FS_IO) ||  \
+    !defined(POLARSSL_CTR_DRBG_C)
+int main( int argc, char *argv[] )
+{
+    ((void) argc);
+    ((void) argv);
+
+    printf("POLARSSL_BIGNUM_C and/or POLARSSL_ENTROPY_C and/or "
+           "POLARSSL_SSL_TLS_C and/or POLARSSL_SSL_CLI_C and/or "
+           "POLARSSL_NET_C and/or POLARSSL_RSA_C and/or "
+           "POLARSSL_X509_PARSE_C and/or POLARSSL_FS_IO and/or "
+           "POLARSSL_CTR_DRBG_C not defined.\n");
+    return( 0 );
+}
+#else
+
 #define MODE_NONE               0
 #define MODE_FILE               1
 #define MODE_SSL                2
@@ -130,24 +149,6 @@
     "    permissive=%%d       default: 0 (disabled)\n"  \
     "\n"
 
-#if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_ENTROPY_C) ||  \
-    !defined(POLARSSL_SSL_TLS_C) || !defined(POLARSSL_SSL_CLI_C) || \
-    !defined(POLARSSL_NET_C) || !defined(POLARSSL_RSA_C) ||         \
-    !defined(POLARSSL_X509_PARSE_C) || !defined(POLARSSL_FS_IO) ||  \
-    !defined(POLARSSL_CTR_DRBG_C)
-int main( int argc, char *argv[] )
-{
-    ((void) argc);
-    ((void) argv);
-
-    printf("POLARSSL_BIGNUM_C and/or POLARSSL_ENTROPY_C and/or "
-           "POLARSSL_SSL_TLS_C and/or POLARSSL_SSL_CLI_C and/or "
-           "POLARSSL_NET_C and/or POLARSSL_RSA_C and/or "
-           "POLARSSL_X509_PARSE_C and/or POLARSSL_FS_IO and/or "
-           "POLARSSL_CTR_DRBG_C not defined.\n");
-    return( 0 );
-}
-#else
 int main( int argc, char *argv[] )
 {
     int ret = 0, server_fd;