Add check for multiple config files being defined

Add check to check_config.h to ensure MBEDTLS_USER_CONFIG_FILE cannot be
defined if MBEDTLS_CONFIG_FILE is defined. If both are defined
MBEDTLS_USER_CONFIG_FILE will not be included, which may confuse users.
This commit is contained in:
Simon Butcher 2018-10-01 14:05:25 +01:00
parent 78f040cf33
commit 924819ea7b

View file

@ -30,6 +30,10 @@
#ifndef MBEDTLS_CHECK_CONFIG_H
#define MBEDTLS_CHECK_CONFIG_H
#if defined(MBEDTLS_CONFIG_FILE) && defined(MBEDTLS_USER_CONFIG_FILE)
#error "MBEDTLS_USER_CONFIG_FILE cannot be included if MBEDTLS_CONFIG_FILE is defined."
#endif
/*
* We assume CHAR_BIT is 8 in many places. In practice, this is true on our
* target platforms, so not an issue, but let's just be extra sure.