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Enable C++11 compilation when using libsigc++ 2.5.1 and later (#758545)
As with glibmm [1] the latest versions of libsigc++ also uses ISO C++
2011 features. The NEWS file [2] says:
2.5.1 (unstable):
* Use (and require) C++11
(Kjell Ahlstedt)
* Using C++11 lambda functions to create sigc::slots:
Avoid the need for SIGC_FUNCTORS_DEDUCE_RESULT_TYPE_WITH_DECLTYPE.
(Kjell Ahlstedt)
Without enabling C++11 compiler features, compilation of GParted with
libsigc++ 2.5.1 and later fails with errors such as theses:
/usr/include/sigc++-2.0/sigc++/trackable.h:40:3: warning: identifier 'noexcept' is a keyword in C++11 [-Wc++0x-compat]
trackable_callback(void* data, func_destroy_notify func) noexcept
^
[1] d6d7cb2bbf
Enable C++11 compilation when using glibmm 2.45.40 and later (#756035)
[2] libsigc++ 2.5.1 NEWS file
https://git.gnome.org/browse/libsigcplusplus/tree/NEWS?h=2.5.1
Bug 758545 - gparted-0.24.0 fails to build with gnome 3.18 mm packages
(on Gentoo)
This commit is contained in:
parent
7cf90f9e42
commit
707bae6fed
21
configure.ac
21
configure.ac
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@ -259,15 +259,30 @@ PKG_CHECK_EXISTS(
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)
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dnl Check for glibmm >= 2.45.40 and if found enable required C++11 compilation.
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need_cxx_compile_stdcxx_11=no
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dnl Check for glibmm >= 2.45.40 which requires C++11 compilation.
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AC_MSG_CHECKING([for glibmm >= 2.45.40 which requires C++11 compilation])
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PKG_CHECK_EXISTS(
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[glibmm-2.4 >= 2.45.40],
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[AC_MSG_RESULT([yes])
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AX_CXX_COMPILE_STDCXX_11()
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[need_cxx_compile_stdcxx_11=yes
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AC_MSG_RESULT([yes])
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],
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[AC_MSG_RESULT([no])]
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)
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dnl Check for libsigc++ >= 2.5.1 which requires C++11 compilation.
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AC_MSG_CHECKING([for libsigc++ >= 2.5.1 which requires C++11 compilation])
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PKG_CHECK_EXISTS(
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[sigc++-2.0 >= 2.5.1],
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[need_cxx_compile_stdcxx_11=yes
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AC_MSG_RESULT([yes])
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],
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[AC_MSG_RESULT([no])]
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)
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dnl Enable C++11 compilation only if required.
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if test "x$need_cxx_compile_stdcxx_11" = xyes; then
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AX_CXX_COMPILE_STDCXX_11()
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fi
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dnl======================
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