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66fd45afce
in cmake tests let's treat clang like gcc (same options,
same builtins) in many cases.
* don't check the compiler when
* testing for -fvisibility=hidden support
* testing for HAVE_ABI_CXA_DEMANGLE
* testing for HAVE_GCC_ATOMIC_BUILTINS
* when removing options with string(replace)
* when running ${CC} --version (ignore the error instead)
* run ABI checks for clang
* use "canonical" gcc flags for clang
* fix groonga too
Also:
* add cmake detection for gcc __atomic_* builtins. they might be
supported (__ATOMIC_SEQ_CST is defined), but not for all operand
sizes. In particular, 64-bit atomic load is problematic on i386
* cache check results for Windows
* remove the test for HAVE_CXXABI_H (HAVE_ABI_CXA_DEMANGLE is
suffifient)
58 lines
2.4 KiB
CMake
58 lines
2.4 KiB
CMake
# Copyright (c) 2010, 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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# Common warning flags for GCC, G++, Clang and Clang++
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SET(MY_WARNING_FLAGS "-Wall -Wextra -Wformat-security")
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MY_CHECK_C_COMPILER_FLAG("-Wvla" HAVE_WVLA) # Requires GCC 4.3+ or Clang
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IF(HAVE_WVLA)
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SET(MY_WARNING_FLAGS "${MY_WARNING_FLAGS} -Wvla")
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ENDIF()
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# Common warning flags for GCC and Clang
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SET(MY_C_WARNING_FLAGS
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"${MY_WARNING_FLAGS} -Wwrite-strings -Wdeclaration-after-statement")
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# Common warning flags for G++ and Clang++
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SET(MY_CXX_WARNING_FLAGS
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"${MY_WARNING_FLAGS} -Woverloaded-virtual -Wno-unused-parameter")
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# Extra warning flags for Clang++
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IF(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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SET(MY_CXX_WARNING_FLAGS
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"${MY_CXX_WARNING_FLAGS} -Wno-null-conversion -Wno-unused-private-field")
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ENDIF()
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# Turn on Werror (warning => error) when using maintainer mode.
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IF(MYSQL_MAINTAINER_MODE MATCHES "ERR")
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SET(MY_C_WARNING_FLAGS "${MY_C_WARNING_FLAGS} -DFORCE_INIT_OF_VARS -Werror")
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SET(MY_CXX_WARNING_FLAGS "${MY_CXX_WARNING_FLAGS} -DFORCE_INIT_OF_VARS -Werror")
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ENDIF()
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# Set warning flags for GCC/Clang
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IF(CMAKE_C_COMPILER_ID MATCHES "GNU|Clang")
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SET(MY_MAINTAINER_C_WARNINGS "${MY_C_WARNING_FLAGS}")
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ENDIF()
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# Set warning flags for G++/Clang++
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IF(CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
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SET(MY_MAINTAINER_CXX_WARNINGS "${MY_CXX_WARNING_FLAGS}")
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ENDIF()
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IF(MYSQL_MAINTAINER_MODE MATCHES "ON")
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SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${MY_MAINTAINER_C_WARNINGS}")
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SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${MY_MAINTAINER_CXX_WARNINGS}")
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ELSEIF(MYSQL_MAINTAINER_MODE MATCHES "AUTO")
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SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${MY_MAINTAINER_C_WARNINGS}")
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SET(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${MY_MAINTAINER_CXX_WARNINGS}")
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ENDIF()
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