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# Copyright (c) 2012, 2025, Oracle and/or its affiliates.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License, version 2.0,
# as published by the Free Software Foundation.
#
# This program is designed to work with certain software (including
# but not limited to OpenSSL) that is licensed under separate terms,
# as designated in a particular file or component or in included license
# documentation. The authors of MySQL hereby grant you an additional
# permission to link the program and your derivative works with the
# separately licensed software that they have either included with
# the program or referenced in the documentation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License, version 2.0, for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
INCLUDE(CheckCCompilerFlag)
INCLUDE(CheckCXXCompilerFlag)
INCLUDE(cmake/floating_point.cmake)
SET(CMAKE_POSITION_INDEPENDENT_CODE ON)
# Compiler options
IF(UNIX)
IF(MY_COMPILER_IS_GNU_OR_CLANG AND NOT SOLARIS)
SET(SECTIONS_FLAG "-ffunction-sections -fdata-sections")
ELSE()
SET(SECTIONS_FLAG)
ENDIF()
# Default GCC flags
IF(MY_COMPILER_IS_GNU)
SET(COMMON_C_FLAGS "-fno-omit-frame-pointer")
# Disable inline optimizations for valgrind testing to avoid false positives
IF(WITH_VALGRIND)
STRING_PREPEND(COMMON_C_FLAGS "-fno-inline ")
ENDIF()
# Disable floating point expression contractions to avoid result differences
IF(HAVE_C_FLOATING_POINT_FUSED_MADD)
STRING_APPEND(COMMON_C_FLAGS " -ffp-contract=off")
ENDIF()
SET(COMMON_CXX_FLAGS "-std=c++17 -fno-omit-frame-pointer")
# Disable inline optimizations for valgrind testing to avoid false positives
IF(WITH_VALGRIND)
STRING_PREPEND(COMMON_CXX_FLAGS "-fno-inline ")
ENDIF()
# Disable floating point expression contractions to avoid result differences
IF(HAVE_CXX_FLOATING_POINT_FUSED_MADD)
STRING_APPEND(COMMON_CXX_FLAGS " -ffp-contract=off")
ENDIF()
ENDIF()
# Default Clang flags
IF(MY_COMPILER_IS_CLANG)
SET(COMMON_C_FLAGS "-fno-omit-frame-pointer")
SET(COMMON_CXX_FLAGS "-std=c++17 -fno-omit-frame-pointer")
ENDIF()
# Use STRING_PREPEND here, so command-line input can override our defaults.
STRING_PREPEND(CMAKE_C_FLAGS "${COMMON_C_FLAGS} ")
STRING_PREPEND(CMAKE_C_FLAGS_RELWITHDEBINFO "${SECTIONS_FLAG} ")
STRING_PREPEND(CMAKE_C_FLAGS_RELEASE "${SECTIONS_FLAG} ")
STRING_PREPEND(CMAKE_C_FLAGS_MINSIZEREL "${SECTIONS_FLAG} ")
STRING_PREPEND(CMAKE_CXX_FLAGS "${COMMON_CXX_FLAGS} ")
STRING_PREPEND(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${SECTIONS_FLAG} ")
STRING_PREPEND(CMAKE_CXX_FLAGS_RELEASE "${SECTIONS_FLAG} ")
STRING_PREPEND(CMAKE_CXX_FLAGS_MINSIZEREL "${SECTIONS_FLAG} ")
ENDIF()
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