c++11: enable c++11 compliance unconditionally.

Signed-off-by: Jon Trulson <jtrulson@ics.com>
This commit is contained in:
Jon Trulson 2016-10-20 14:21:03 -06:00
parent dd3e5290b2
commit 94cd7f185f
2 changed files with 12 additions and 33 deletions

View File

@ -13,7 +13,6 @@ option (BUILDJAVAEXAMPLES "Build java example jars" OFF)
option (IPK "Generate IPK using CPack" OFF)
option (RPM "Generate RPM using CPack" OFF)
option (BUILDTESTS "Generate check-ups for upm" ON)
option (ENABLECXX11 "Enable C++11 standards support" ON)
# Warn if building in source root
if ("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_BINARY_DIR}")
@ -129,8 +128,7 @@ if (DETECTED_ARCH MATCHES "arm.*" AND NOT CMAKE_CXX_FLAGS MATCHES "-march")
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native")
endif()
# enable c++11 standards support
if (ENABLECXX11)
# enable c++11 standards support unconditionally
include(CheckCXXCompilerFlag)
if (CMAKE_VERSION VERSION_LESS "3.1")
CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)
@ -140,15 +138,12 @@ if (ENABLECXX11)
elseif (COMPILER_SUPPORTS_CXX0X)
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
else()
message(WARNING "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support. Please update your C++ compiler.")
message(FATAL_ERROR "A C++11 compliant compiler is required to build UPM.")
endif()
else()
# 3.1+ uses this generic method to enable c++11
set (CMAKE_CXX_STANDARD 11)
endif()
else()
message(WARNING "Some modules require C++11 support, and may not build without it.")
endif()
# The doc target depends on each sensor target
#

View File

@ -179,22 +179,6 @@ macro(upm_swig_node)
endif()
endif()
if (NOT ENABLECXX11)
set_property (TARGET jsupm_${libname} PROPERTY CXX_STANDARD 11)
set_property (TARGET jsupm_${libname} PROPERTY CXX_STANDARD_REQUIRED ON)
if (CMAKE_VERSION VERSION_LESS "3.1")
if (CMAKE_COMPILER_IS_GNUCXX)
if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "4.7")
message (FATAL_ERROR "FATAL_ERROR: GNU gcc compiler is also too old (need 4.7+, but ${CMAKE_CXX_COMPILER_VERSION}) and does not support C++11 standard.")
endif ()
set (UPM_CXX11_WORKAROUND_OPTION "-std=gnu++11")
else ()
set (UPM_CXX11_WORKAROUND_OPTION "-std=c++11")
endif ()
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${UPM_CXX11_WORKAROUND_OPTION} ")
endif ()
endif ()
endif()
createpackagejson(${libname})