54 lines
1.8 KiB
CMake
54 lines
1.8 KiB
CMake
# Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#
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INCLUDE(CheckTypeSize)
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INCLUDE(CheckIncludeFiles)
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INCLUDE(CheckSymbolExists)
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INCLUDE(CheckFunctionExists)
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INCLUDE(TestBigEndian)
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CHECK_INCLUDE_FILES(stdint.h HAVE_STDINT_H)
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# depending on the platform, we may or may not have this file
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CHECK_INCLUDE_FILES(endian.h HAVE_ENDIAN_H)
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CHECK_FUNCTION_EXISTS(strndup HAVE_STRNDUP)
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# The header for glibc versions less than 2.9 will not
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# have the endian conversion macros defined
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IF(HAVE_ENDIAN_H)
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CHECK_SYMBOL_EXISTS(le64toh endian.h HAVE_LE64TOH)
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CHECK_SYMBOL_EXISTS(le32toh endian.h HAVE_LE32TOH)
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CHECK_SYMBOL_EXISTS(le16toh endian.h HAVE_LE16TOH)
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IF(HAVE_LE32TOH AND HAVE_LE16TOH AND HAVE_LE64TOH)
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SET(HAVE_ENDIAN_CONVERSION_MACROS 1)
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ENDIF()
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ENDIF()
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IF(HAVE_STDINT_H)
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SET(CMAKE_EXTRA_INCLUDE_FILES stdint.h)
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CHECK_TYPE_SIZE("long long" LONG_LONG)
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CHECK_TYPE_SIZE(long LONG)
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CHECK_TYPE_SIZE(int INT)
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SET(CMAKE_EXTRA_INCLUDE_FILES)
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ENDIF()
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# TODO: Is it better to use __BIG_ENDIAN instead of IS_BIG_ENDIAN
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TEST_BIG_ENDIAN(IS_BIG_ENDIAN)
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SET(HAVE_INT 1)
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SET(HAVE_LONG 1)
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SET(HAVE_LONG_LONG 1)
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