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5477e6885b
HAVE_RANDOM. Support random(). Add #error with explanation and hint to solve it. Signed-off-by: Achim Kraus <achim.kraus@cloudcoap.net>
103 lines
3.7 KiB
CMake
103 lines
3.7 KiB
CMake
###############################################################################
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#
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# Copyright (c) 2022 Contributors to the Eclipse Foundation
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#
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# See the LICENSE file(s) distributed with this work for additional
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# information regarding copyright ownership.
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#
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# This program and the accompanying materials are made available under the
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# terms of the Eclipse Public License 1.0
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# which is available at https://www.eclipse.org/legal/epl-v10.html
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# and the Eclipse Distribution License v. 1.0
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# available at http://www.eclipse.org/org/documents/edl-v10.php
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#
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# SPDX-License-Identifier: EPL-1.0
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#
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# Contributors:
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# Jimmy Björklund - initial version
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# Achim Kraus - add getrandom and libcunit
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# additional minor fixes
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#
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###############################################################################
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include(CheckIncludeFile)
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include(CheckFunctionExists)
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include(CheckLibraryExists)
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include(TestBigEndian)
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include(CheckCSourceCompiles)
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include(CheckStructHasMember)
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check_include_file(assert.h HAVE_ASSERT_H)
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check_include_file(arpa/inet.h HAVE_ARPA_INET_H)
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check_include_file(fcntl.h HAVE_FCNTL_H)
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check_include_file(inttypes.h HAVE_INTTYPES_H)
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check_include_file(memory.h HAVE_MEMORY_H)
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check_include_file(netdb.h HAVE_NETDB_H)
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check_include_file(netinet/in.h HAVE_NETINET_IN_H)
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check_include_file(stddef.h HAVE_STDDEF_H)
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check_include_file(stdint.h HAVE_STDINT_H)
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check_include_file(stdlib.h HAVE_STDLIB_H)
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check_include_file(string.h HAVE_STRING_H)
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check_include_file(strings.h HAVE_STRINGS_H)
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check_include_file(time.h HAVE_TIME_H)
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check_include_file(sys/param.h HAVE_SYS_PARAM_H)
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check_include_file(sys/random.h HAVE_SYS_RANDOM_H)
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check_include_file(sys/socket.h HAVE_SYS_SOCKET_H)
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check_include_file(sys/stat.h HAVE_SYS_STAT_H)
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check_include_file(sys/types.h HAVE_SYS_TYPES_H)
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check_include_file(unistd.h HAVE_UNISTD_H)
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check_include_file(float.h HAVE_FLOAT_H)
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check_include_file(dlfcn.h HAVE_DLFCN_H)
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if(NOT ZEPHYR_BASE)
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# zephyr/ncs 1.9.1 has issues including this header
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check_include_file(sys/time.h HAVE_SYS_TIME_H)
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endif()
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if(ZEPHYR_BASE)
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# zephyr/ncs 1.9.1 has issues with check_include_file
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# https://github.com/zephyrproject-rtos/zephyr/issues/31193
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# zephyr/ncs 1.9.1 has net/socket.h instead of sys/socket.h
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set(HAVE_NET_SOCKET_H 1)
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endif()
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check_function_exists (memset HAVE_MEMSET)
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check_function_exists (select HAVE_SELECT)
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check_function_exists (socket HAVE_SOCKET)
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check_function_exists (strdup HAVE_STRDUP)
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check_function_exists (strerror HAVE_STRERROR)
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check_function_exists (strnlen HAVE_STRNLEN)
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check_function_exists (fls HAVE_FLS)
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check_function_exists (vprintf HAVE_VPRINTF)
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check_function_exists (inet_ntop HAVE_INET_NTOP)
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check_function_exists (random HAVE_RANDOM)
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if(HAVE_SYS_RANDOM_H)
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# zephyr/ncs 1.9.1 seems to link getrandom but doesn't offer a header
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check_function_exists (getrandom HAVE_GETRANDOM)
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endif()
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if( ${make_tests} )
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if(BUILD_SHARED_LIBS)
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check_library_exists (libcunit.so CU_initialize_registry "" HAVE_LIBCUNIT)
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else()
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# this link options only intended to be used for the cunit tests
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set(CMAKE_REQUIRED_LINK_OPTIONS -no-pie)
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check_library_exists (libcunit.a CU_initialize_registry "" HAVE_LIBCUNIT)
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endif()
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endif()
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if( "${HAVE_STRING_H}" AND "${HAVE_STRINGS_H}" AND
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"${HAVE_FLOAT_H}" AND "${HAVE_STDLIB_H}" AND
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"${HAVE_STDDEF_H}" AND "${HAVE_STDINT_H}" AND
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"${HAVE_INTTYPES_H}" AND "${HAVE_DLFCN_H}" )
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set( STDC_HEADERS 1)
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endif()
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check_struct_has_member ("struct sockaddr_in6" sin6_len "netinet/in.h" HAVE_SOCKADDR_IN6_SIN6_LEN)
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TEST_BIG_ENDIAN(IS_BIG_ENDIAN)
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if(IS_BIG_ENDIAN)
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set(WORDS_BIGENDIAN 1)
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endif()
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