CMake/CompileFlags.cmake
Brad King f416285631 CompileFlags: Tell PGI compiler not to issue warning diagnostics
When hosting CMake's own build with the PGI compiler there are several
warnings that cannot easily be fixed or suppressed.  We have enough code
quality tools and warnings from other compilers that it is unlikely a
PGI-only warning is useful.
2016-09-28 16:03:14 -04:00

89 lines
2.9 KiB
CMake

# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#-----------------------------------------------------------------------------
# set some special flags for different compilers
#
if(CMAKE_GENERATOR MATCHES "Visual Studio 7")
set(CMAKE_SKIP_COMPATIBILITY_TESTS 1)
endif()
if(WIN32 AND CMAKE_C_COMPILER_ID STREQUAL "Intel")
set(_INTEL_WINDOWS 1)
endif()
# Disable deprecation warnings for standard C functions.
# really only needed for newer versions of VS, but should
# not hurt other versions, and this will work into the
# future
if(MSVC OR _INTEL_WINDOWS)
add_definitions(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
else()
endif()
#silence duplicate symbol warnings on AIX
if(CMAKE_SYSTEM_NAME MATCHES "AIX")
if(NOT CMAKE_COMPILER_IS_GNUCXX)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -bhalt:5 ")
endif()
endif()
if(CMAKE_SYSTEM_NAME MATCHES "IRIX")
if(NOT CMAKE_COMPILER_IS_GNUCXX)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wl,-woff84 -no_auto_include")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-woff15")
endif()
endif()
if(CMAKE_SYSTEM MATCHES "OSF1-V")
if(NOT CMAKE_COMPILER_IS_GNUCXX)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -timplicit_local -no_implicit_include ")
endif()
endif()
if(CMAKE_SYSTEM_NAME MATCHES "HP-UX" AND CMAKE_CXX_COMPILER_ID MATCHES "HP")
# HP aCC since version 3.80 supports the flag +hpxstd98 to get ANSI C++98
# template support. It is known that version 6.25 doesn't need that flag.
# Versions prior to 3.80 will not be able to build CMake. Current assumption:
# it is needed for every version from 3.80 to 4 to get it working.
if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4 AND
NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.80)
# use new C++ library and improved template support
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -AA +hpxstd98")
endif()
endif()
# Workaround for short jump tables on PA-RISC
if(CMAKE_SYSTEM_PROCESSOR MATCHES "^parisc")
if(CMAKE_COMPILER_IS_GNUCC)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mlong-calls")
endif()
if(CMAKE_COMPILER_IS_GNUCXX)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mlong-calls")
endif()
endif()
if (CMAKE_CXX_COMPILER_ID STREQUAL SunPro)
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.13)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++03")
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -library=stlport4")
endif()
endif()
foreach(lang C CXX)
# Suppress warnings from PGI compiler.
if (CMAKE_${lang}_COMPILER_ID STREQUAL "PGI")
set(CMAKE_${lang}_FLAGS "${CMAKE_${lang}_FLAGS} -w")
endif()
endforeach()
# use the ansi CXX compile flag for building cmake
if (CMAKE_ANSI_CXXFLAGS)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_ANSI_CXXFLAGS}")
endif ()
if (CMAKE_ANSI_CFLAGS)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${CMAKE_ANSI_CFLAGS}")
endif ()