1#!/bin/sh
2
3DEFAULT_OUTPUT_FILE=programs/test/cpp_dummy_build.cpp
4
5if [ "$1" = "--help" ]; then
6    cat <<EOF
7Usage: $0 [OUTPUT]
8Generate a C++ dummy build program that includes all the headers.
9OUTPUT defaults to "programs/test/cpp_dummy_build.cpp".
10Run this program from the root of an Mbed TLS directory tree or from
11its "programs" or "programs/test" subdirectory.
12EOF
13    exit
14fi
15
16# Copyright The Mbed TLS Contributors
17# SPDX-License-Identifier: Apache-2.0
18#
19# Licensed under the Apache License, Version 2.0 (the "License"); you may
20# not use this file except in compliance with the License.
21# You may obtain a copy of the License at
22#
23# http://www.apache.org/licenses/LICENSE-2.0
24#
25# Unless required by applicable law or agreed to in writing, software
26# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
27# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
28# See the License for the specific language governing permissions and
29# limitations under the License.
30
31set -e
32
33# Ensure a reproducible order for *.h
34export LC_ALL=C
35
36print_cpp () {
37    cat <<'EOF'
38/* Automatically generated file. Do not edit.
39 *
40 *  This program is a dummy C++ program to ensure Mbed TLS library header files
41 *  can be included and built with a C++ compiler.
42 *
43 *  Copyright The Mbed TLS Contributors
44 *  SPDX-License-Identifier: Apache-2.0
45 *
46 *  Licensed under the Apache License, Version 2.0 (the "License"); you may
47 *  not use this file except in compliance with the License.
48 *  You may obtain a copy of the License at
49 *
50 *  http://www.apache.org/licenses/LICENSE-2.0
51 *
52 *  Unless required by applicable law or agreed to in writing, software
53 *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
54 *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
55 *  See the License for the specific language governing permissions and
56 *  limitations under the License.
57 */
58
59#include "mbedtls/config.h"
60
61EOF
62
63  for header in include/mbedtls/*.h include/psa/*.h; do
64    case ${header#include/} in
65      psa/crypto_config.h) :;; # not meant for direct inclusion
66      # Some of the psa/crypto_*.h headers are not meant to be included directly.
67      # They do have include guards that make them no-ops if psa/crypto.h
68      # has been included before. Since psa/crypto.h comes before psa/crypto_*.h
69      # in the wildcard enumeration, we don't need to skip those headers.
70      *) echo "#include \"${header#include/}\"";;
71    esac
72  done
73
74    cat <<'EOF'
75
76int main()
77{
78    mbedtls_platform_context *ctx = NULL;
79    mbedtls_platform_setup(ctx);
80    mbedtls_printf("CPP Build test passed\n");
81    mbedtls_platform_teardown(ctx);
82}
83EOF
84}
85
86if [ -d include/mbedtls ]; then
87    :
88elif [ -d ../include/mbedtls ]; then
89    cd ..
90elif [ -d ../../include/mbedtls ]; then
91    cd ../..
92else
93    echo >&2 "This script must be run from an Mbed TLS source tree."
94    exit 3
95fi
96
97print_cpp >"${1:-$DEFAULT_OUTPUT_FILE}"
98