d259e347e6
This change enables automatic detection and consumption of Mbed TLS library targets from within other CMake projects. By generating an `MbedTLSConfig.cmake` file, consuming projects receive a more complete view of these targets, allowing them to be used as dependencies which properly inherit the transitive dependencies of the libraries. This is fairly fragile, as it seems Mbed TLS's libraries do not appear to properly model their dependencies on other targets, including third-party dependencies. It is, however, sufficient for building and linking the compiled Mbed TLS libraries when there are no third-party dependencies involved. Further work is needed for more complex use-cases, but this will likely meet the needs of most projects. Resolves #298. Probably useful for #2857. Signed-off-by: Chris Kay <chris.kay@arm.com>
54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
/*
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* Simple program to test that Mbed TLS builds correctly as an installable CMake
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* package.
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*
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#if !defined(MBEDTLS_CONFIG_FILE)
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#include "mbedtls/config.h"
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#else
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#include MBEDTLS_CONFIG_FILE
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#endif
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#if defined(MBEDTLS_PLATFORM_C)
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#include "mbedtls/platform.h"
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#else
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#include <stdio.h>
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#include <stdlib.h>
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#define mbedtls_fprintf fprintf
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#define mbedtls_printf printf
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#define mbedtls_exit exit
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#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
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#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
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#endif /* MBEDTLS_PLATFORM_C */
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#include "mbedtls/version.h"
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/* The main reason to build this is for testing the CMake build, so the program
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* doesn't need to do very much. It calls a single library function to ensure
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* linkage works, but that is all. */
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int main()
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{
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/* This version string is 18 bytes long, as advised by version.h. */
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char version[18];
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mbedtls_version_get_string_full( version );
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mbedtls_printf( "Built against %s\n", version );
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return( 0 );
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}
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