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FindGTK2: Enable c++11 for sigc++ 2.5.1 or later 

Starting with sigc++ 2.5.1, c++11 must be enabled in order to use
sigc++. The GTK2::sigc++ imported target will automatically enable the
required build flags in order to build with the version found on the
system.
This commit is contained in:
Daniele E. Domenichelli 2015-10-06 13:33:08 +02:00 committed by Brad King
parent f2791da132
commit 3d9e3d7b79
2 changed files with 65 additions and 0 deletions
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7
Help/release/dev/FindGTK2_sigc++_c++11.rst Normal file
View File

@ -0,0 +1,7 @@
FindGTK2_sigc++_c++11
---------------------
* Starting with sigc++ 2.5.1, c++11 must be enabled in order to use
sigc++. The GTK2::sigc++ imported target will automatically enable the
required build flags in order to build with the version found on the
system.

58
Modules/FindGTK2.cmake
View File

@ -202,6 +202,43 @@ function(_GTK2_GET_VERSION _OUT_major _OUT_minor _OUT_micro _gtkversion_hdr)
endif() endif()
endfunction() endfunction()
#=============================================================
# _GTK2_SIGCXX_GET_VERSION
# Internal function to parse the version number in
# sigc++config.h
# _OUT_major = Major version number
# _OUT_minor = Minor version number
# _OUT_micro = Micro version number
# _sigcxxversion_hdr = Header file to parse
#=============================================================
function(_GTK2_SIGCXX_GET_VERSION _OUT_major _OUT_minor _OUT_micro _sigcxxversion_hdr)
file(STRINGS ${_sigcxxversion_hdr} _contents REGEX "#define SIGCXX_M[A-Z]+_VERSION[ \t]+")
if(_contents)
string(REGEX REPLACE ".*#define SIGCXX_MAJOR_VERSION[ \t]+([0-9]+).*" "\\1" ${_OUT_major} "${_contents}")
string(REGEX REPLACE ".*#define SIGCXX_MINOR_VERSION[ \t]+([0-9]+).*" "\\1" ${_OUT_minor} "${_contents}")
string(REGEX REPLACE ".*#define SIGCXX_MICRO_VERSION[ \t]+([0-9]+).*" "\\1" ${_OUT_micro} "${_contents}")
if(NOT ${_OUT_major} MATCHES "[0-9]+")
message(FATAL_ERROR "Version parsing failed for SIGCXX_MAJOR_VERSION!")
endif()
if(NOT ${_OUT_minor} MATCHES "[0-9]+")
message(FATAL_ERROR "Version parsing failed for SIGCXX_MINOR_VERSION!")
endif()
if(NOT ${_OUT_micro} MATCHES "[0-9]+")
message(FATAL_ERROR "Version parsing failed for SIGCXX_MICRO_VERSION!")
endif()
set(${_OUT_major} ${${_OUT_major}} PARENT_SCOPE)
set(${_OUT_minor} ${${_OUT_minor}} PARENT_SCOPE)
set(${_OUT_micro} ${${_OUT_micro}} PARENT_SCOPE)
else()
message(FATAL_ERROR "Include file ${_gtkversion_hdr} does not exist")
endif()
endfunction()
#============================================================= #=============================================================
# _GTK2_FIND_INCLUDE_DIR # _GTK2_FIND_INCLUDE_DIR
# Internal function to find the GTK include directories # Internal function to find the GTK include directories
@ -734,6 +771,27 @@ foreach(_GTK2_component ${GTK2_FIND_COMPONENTS})
_GTK2_FIND_INCLUDE_DIR(SIGC++CONFIG sigc++config.h) _GTK2_FIND_INCLUDE_DIR(SIGC++CONFIG sigc++config.h)
_GTK2_FIND_LIBRARY (SIGC++ sigc true true) _GTK2_FIND_LIBRARY (SIGC++ sigc true true)
_GTK2_ADD_TARGET (SIGC++) _GTK2_ADD_TARGET (SIGC++)
# Since sigc++ 2.5.1 c++11 support is required
if(GTK2_SIGC++CONFIG_INCLUDE_DIR)
_GTK2_SIGCXX_GET_VERSION(GTK2_SIGC++_VERSION_MAJOR
GTK2_SIGC++_VERSION_MINOR
GTK2_SIGC++_VERSION_MICRO
${GTK2_SIGC++CONFIG_INCLUDE_DIR}/sigc++config.h)
if(NOT ${GTK2_SIGC++_VERSION_MAJOR}.${GTK2_SIGC++_VERSION_MINOR}.${GTK2_SIGC++_VERSION_MICRO} VERSION_LESS 2.5.1)
# These are the features needed by clients in order to include the
# project headers:
set_property(TARGET GTK2::sigc++
PROPERTY INTERFACE_COMPILE_FEATURES cxx_alias_templates
cxx_auto_type
cxx_decltype
cxx_deleted_functions
cxx_noexcept
cxx_nullptr
cxx_right_angle_brackets
cxx_rvalue_references
cxx_variadic_templates)
endif()
endif()
_GTK2_FIND_INCLUDE_DIR(GLIBMM glibmm.h) _GTK2_FIND_INCLUDE_DIR(GLIBMM glibmm.h)
_GTK2_FIND_INCLUDE_DIR(GLIBMMCONFIG glibmmconfig.h) _GTK2_FIND_INCLUDE_DIR(GLIBMMCONFIG glibmmconfig.h)