head	1.1;
branch	1.1.1;
access;
symbols
	netbsd-11-0-RC4:1.1.1.1
	netbsd-11-0-RC3:1.1.1.1
	netbsd-11-0-RC2:1.1.1.1
	netbsd-11-0-RC1:1.1.1.1
	perseant-exfatfs-base-20250801:1.1.1.1
	netbsd-11:1.1.1.1.0.10
	netbsd-11-base:1.1.1.1
	netbsd-10-1-RELEASE:1.1.1.1
	perseant-exfatfs-base-20240630:1.1.1.1
	perseant-exfatfs:1.1.1.1.0.8
	perseant-exfatfs-base:1.1.1.1
	netbsd-10-0-RELEASE:1.1.1.1
	netbsd-10-0-RC6:1.1.1.1
	netbsd-10-0-RC5:1.1.1.1
	netbsd-10-0-RC4:1.1.1.1
	netbsd-10-0-RC3:1.1.1.1
	netbsd-10-0-RC2:1.1.1.1
	netbsd-10-0-RC1:1.1.1.1
	netbsd-10:1.1.1.1.0.6
	netbsd-10-base:1.1.1.1
	cjep_sun2x-base1:1.1.1.1
	cjep_sun2x:1.1.1.1.0.4
	cjep_sun2x-base:1.1.1.1
	cjep_staticlib_x:1.1.1.1.0.2
	cjep_staticlib_x-base1:1.1.1.1
	LLVM-249b40b558955afe5ac2b549edcf2d7f859c8cc9:1.1.1.1
	LLVM:1.1.1;
locks; strict;
comment	@# @;


1.1
date	2021.05.30.01.29.21;	author joerg;	state Exp;
branches
	1.1.1.1;
next	;
commitid	ELgSWj1pehxUV6VC;

1.1.1.1
date	2021.05.30.01.29.21;	author joerg;	state Exp;
branches
	1.1.1.1.2.1;
next	;
commitid	ELgSWj1pehxUV6VC;

1.1.1.1.2.1
date	2021.05.30.01.29.21;	author cjep;	state dead;
branches;
next	1.1.1.1.2.2;
commitid	eWz9SBW0XqKjJlVC;

1.1.1.1.2.2
date	2021.05.31.22.07.37;	author cjep;	state Exp;
branches;
next	;
commitid	eWz9SBW0XqKjJlVC;


desc
@@


1.1
log
@Initial revision
@
text
@# - Adds a compiler flag if it is supported by the compiler
#
# This function checks that the supplied compiler flag is supported and then
# adds it to the corresponding compiler flags
#
#  add_cxx_compiler_flag(<FLAG> [<VARIANT>])
#
# - Example
#
# include(AddCXXCompilerFlag)
# add_cxx_compiler_flag(-Wall)
# add_cxx_compiler_flag(-no-strict-aliasing RELEASE)
# Requires CMake 2.6+

if(__add_cxx_compiler_flag)
  return()
endif()
set(__add_cxx_compiler_flag INCLUDED)

include(CheckCXXCompilerFlag)

function(mangle_compiler_flag FLAG OUTPUT)
  string(TOUPPER "HAVE_CXX_FLAG_${FLAG}" SANITIZED_FLAG)
  string(REPLACE "+" "X" SANITIZED_FLAG ${SANITIZED_FLAG})
  string(REGEX REPLACE "[^A-Za-z_0-9]" "_" SANITIZED_FLAG ${SANITIZED_FLAG})
  string(REGEX REPLACE "_+" "_" SANITIZED_FLAG ${SANITIZED_FLAG})
  set(${OUTPUT} "${SANITIZED_FLAG}" PARENT_SCOPE)
endfunction(mangle_compiler_flag)

function(add_cxx_compiler_flag FLAG)
  mangle_compiler_flag("${FLAG}" MANGLED_FLAG)
  set(OLD_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
  set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${FLAG}")
  check_cxx_compiler_flag("${FLAG}" ${MANGLED_FLAG})
  set(CMAKE_REQUIRED_FLAGS "${OLD_CMAKE_REQUIRED_FLAGS}")
  if(${MANGLED_FLAG})
    set(VARIANT ${ARGV1})
    if(ARGV1)
      string(TOUPPER "_${VARIANT}" VARIANT)
    endif()
    set(CMAKE_CXX_FLAGS${VARIANT} "${CMAKE_CXX_FLAGS${VARIANT}} ${BENCHMARK_CXX_FLAGS${VARIANT}} ${FLAG}" PARENT_SCOPE)
  endif()
endfunction()

function(add_required_cxx_compiler_flag FLAG)
  mangle_compiler_flag("${FLAG}" MANGLED_FLAG)
  set(OLD_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
  set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${FLAG}")
  check_cxx_compiler_flag("${FLAG}" ${MANGLED_FLAG})
  set(CMAKE_REQUIRED_FLAGS "${OLD_CMAKE_REQUIRED_FLAGS}")
  if(${MANGLED_FLAG})
    set(VARIANT ${ARGV1})
    if(ARGV1)
      string(TOUPPER "_${VARIANT}" VARIANT)
    endif()
    set(CMAKE_CXX_FLAGS${VARIANT} "${CMAKE_CXX_FLAGS${VARIANT}} ${FLAG}" PARENT_SCOPE)
    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${FLAG}" PARENT_SCOPE)
    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${FLAG}" PARENT_SCOPE)
    set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} ${FLAG}" PARENT_SCOPE)
    set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${FLAG}" PARENT_SCOPE)
  else()
    message(FATAL_ERROR "Required flag '${FLAG}' is not supported by the compiler")
  endif()
endfunction()

function(check_cxx_warning_flag FLAG)
  mangle_compiler_flag("${FLAG}" MANGLED_FLAG)
  set(OLD_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
  # Add -Werror to ensure the compiler generates an error if the warning flag
  # doesn't exist.
  set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Werror ${FLAG}")
  check_cxx_compiler_flag("${FLAG}" ${MANGLED_FLAG})
  set(CMAKE_REQUIRED_FLAGS "${OLD_CMAKE_REQUIRED_FLAGS}")
endfunction()
@


1.1.1.1
log
@Import libc++ 249b40b558955afe5ac2b549edcf2d7f859c8cc9
@
text
@@


1.1.1.1.2.1
log
@file AddCXXCompilerFlag.cmake was added on branch cjep_staticlib_x on 2021-05-31 22:07:37 +0000
@
text
@d1 74
@


1.1.1.1.2.2
log
@sync with head
@
text
@a0 74
# - Adds a compiler flag if it is supported by the compiler
#
# This function checks that the supplied compiler flag is supported and then
# adds it to the corresponding compiler flags
#
#  add_cxx_compiler_flag(<FLAG> [<VARIANT>])
#
# - Example
#
# include(AddCXXCompilerFlag)
# add_cxx_compiler_flag(-Wall)
# add_cxx_compiler_flag(-no-strict-aliasing RELEASE)
# Requires CMake 2.6+

if(__add_cxx_compiler_flag)
  return()
endif()
set(__add_cxx_compiler_flag INCLUDED)

include(CheckCXXCompilerFlag)

function(mangle_compiler_flag FLAG OUTPUT)
  string(TOUPPER "HAVE_CXX_FLAG_${FLAG}" SANITIZED_FLAG)
  string(REPLACE "+" "X" SANITIZED_FLAG ${SANITIZED_FLAG})
  string(REGEX REPLACE "[^A-Za-z_0-9]" "_" SANITIZED_FLAG ${SANITIZED_FLAG})
  string(REGEX REPLACE "_+" "_" SANITIZED_FLAG ${SANITIZED_FLAG})
  set(${OUTPUT} "${SANITIZED_FLAG}" PARENT_SCOPE)
endfunction(mangle_compiler_flag)

function(add_cxx_compiler_flag FLAG)
  mangle_compiler_flag("${FLAG}" MANGLED_FLAG)
  set(OLD_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
  set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${FLAG}")
  check_cxx_compiler_flag("${FLAG}" ${MANGLED_FLAG})
  set(CMAKE_REQUIRED_FLAGS "${OLD_CMAKE_REQUIRED_FLAGS}")
  if(${MANGLED_FLAG})
    set(VARIANT ${ARGV1})
    if(ARGV1)
      string(TOUPPER "_${VARIANT}" VARIANT)
    endif()
    set(CMAKE_CXX_FLAGS${VARIANT} "${CMAKE_CXX_FLAGS${VARIANT}} ${BENCHMARK_CXX_FLAGS${VARIANT}} ${FLAG}" PARENT_SCOPE)
  endif()
endfunction()

function(add_required_cxx_compiler_flag FLAG)
  mangle_compiler_flag("${FLAG}" MANGLED_FLAG)
  set(OLD_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
  set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${FLAG}")
  check_cxx_compiler_flag("${FLAG}" ${MANGLED_FLAG})
  set(CMAKE_REQUIRED_FLAGS "${OLD_CMAKE_REQUIRED_FLAGS}")
  if(${MANGLED_FLAG})
    set(VARIANT ${ARGV1})
    if(ARGV1)
      string(TOUPPER "_${VARIANT}" VARIANT)
    endif()
    set(CMAKE_CXX_FLAGS${VARIANT} "${CMAKE_CXX_FLAGS${VARIANT}} ${FLAG}" PARENT_SCOPE)
    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${FLAG}" PARENT_SCOPE)
    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${FLAG}" PARENT_SCOPE)
    set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} ${FLAG}" PARENT_SCOPE)
    set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${FLAG}" PARENT_SCOPE)
  else()
    message(FATAL_ERROR "Required flag '${FLAG}' is not supported by the compiler")
  endif()
endfunction()

function(check_cxx_warning_flag FLAG)
  mangle_compiler_flag("${FLAG}" MANGLED_FLAG)
  set(OLD_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
  # Add -Werror to ensure the compiler generates an error if the warning flag
  # doesn't exist.
  set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Werror ${FLAG}")
  check_cxx_compiler_flag("${FLAG}" ${MANGLED_FLAG})
  set(CMAKE_REQUIRED_FLAGS "${OLD_CMAKE_REQUIRED_FLAGS}")
endfunction()
@