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authorAndreas K. Hüttel <dilfridge@gentoo.org>2017-04-19 22:52:23 +0200
committerAndreas K. Hüttel <dilfridge@gentoo.org>2017-04-19 22:52:23 +0200
commitb593a82f0afe9db2525415007e4f02f77c1cbceb (patch)
treee0a59bc7423443cfac59c73a64a56cea00b7d161 /sci-visualization
parentsci-visualization/spyview: Roll some patches together (diff)
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sci-visualization/spyview: Add missing autoconf macro
Package-Manager: Portage-2.3.5, Repoman-2.3.2
Diffstat (limited to 'sci-visualization')
-rw-r--r--sci-visualization/spyview/files/spyview-20150124-gcc6cxx14-9.patch1002
1 files changed, 1000 insertions, 2 deletions
diff --git a/sci-visualization/spyview/files/spyview-20150124-gcc6cxx14-9.patch b/sci-visualization/spyview/files/spyview-20150124-gcc6cxx14-9.patch
index 0f302314b190..0c19851d4459 100644
--- a/sci-visualization/spyview/files/spyview-20150124-gcc6cxx14-9.patch
+++ b/sci-visualization/spyview/files/spyview-20150124-gcc6cxx14-9.patch
@@ -1,8 +1,18 @@
diff --git a/configure.ac b/configure.ac
-index 5e1cfff..8850ce8 100644
+index 5e1cfff..f1d777f 100644
--- a/configure.ac
+++ b/configure.ac
-@@ -27,6 +27,10 @@ AM_CONDITIONAL(WINDOWS,test $windows_target = yes)
+@@ -6,6 +6,9 @@ AC_CONFIG_SRCDIR([spyview/ImageWindow.C])
+ AC_CONFIG_HEADER([config.h])
+ USER_DIRS
+
++# For local macros
++AC_CONFIG_MACRO_DIR([m4])
++
+ #
+ # Work out our target
+ #
+@@ -27,6 +30,10 @@ AM_CONDITIONAL(WINDOWS,test $windows_target = yes)
AC_PROG_CXX
AC_PROG_CC
AM_PROG_CC_C_O
@@ -13,6 +23,994 @@ index 5e1cfff..8850ce8 100644
# Check for fluid
AC_PATH_PROG(FLUID,fluid,none)
AC_ARG_VAR(FLUID,[path to executable to compile .fl files])
+diff --git a/m4/ax_cxx_compile_stdcxx.m4 b/m4/ax_cxx_compile_stdcxx.m4
+new file mode 100644
+index 0000000..5032bba
+--- /dev/null
++++ b/m4/ax_cxx_compile_stdcxx.m4
+@@ -0,0 +1,982 @@
++# ===========================================================================
++# https://www.gnu.org/software/autoconf-archive/ax_cxx_compile_stdcxx.html
++# ===========================================================================
++#
++# SYNOPSIS
++#
++# AX_CXX_COMPILE_STDCXX(VERSION, [ext|noext], [mandatory|optional])
++#
++# DESCRIPTION
++#
++# Check for baseline language coverage in the compiler for the specified
++# version of the C++ standard. If necessary, add switches to CXX and
++# CXXCPP to enable support. VERSION may be '11' (for the C++11 standard)
++# or '14' (for the C++14 standard).
++#
++# The second argument, if specified, indicates whether you insist on an
++# extended mode (e.g. -std=gnu++11) or a strict conformance mode (e.g.
++# -std=c++11). If neither is specified, you get whatever works, with
++# preference for an extended mode.
++#
++# The third argument, if specified 'mandatory' or if left unspecified,
++# indicates that baseline support for the specified C++ standard is
++# required and that the macro should error out if no mode with that
++# support is found. If specified 'optional', then configuration proceeds
++# regardless, after defining HAVE_CXX${VERSION} if and only if a
++# supporting mode is found.
++#
++# LICENSE
++#
++# Copyright (c) 2008 Benjamin Kosnik <bkoz@redhat.com>
++# Copyright (c) 2012 Zack Weinberg <zackw@panix.com>
++# Copyright (c) 2013 Roy Stogner <roystgnr@ices.utexas.edu>
++# Copyright (c) 2014, 2015 Google Inc.; contributed by Alexey Sokolov <sokolov@google.com>
++# Copyright (c) 2015 Paul Norman <penorman@mac.com>
++# Copyright (c) 2015 Moritz Klammler <moritz@klammler.eu>
++# Copyright (c) 2016 Krzesimir Nowak <qdlacz@gmail.com>
++#
++# Copying and distribution of this file, with or without modification, are
++# permitted in any medium without royalty provided the copyright notice
++# and this notice are preserved. This file is offered as-is, without any
++# warranty.
++
++#serial 7
++
++dnl This macro is based on the code from the AX_CXX_COMPILE_STDCXX_11 macro
++dnl (serial version number 13).
++
++AX_REQUIRE_DEFINED([AC_MSG_WARN])
++AC_DEFUN([AX_CXX_COMPILE_STDCXX], [dnl
++ m4_if([$1], [11], [ax_cxx_compile_alternatives="11 0x"],
++ [$1], [14], [ax_cxx_compile_alternatives="14 1y"],
++ [$1], [17], [ax_cxx_compile_alternatives="17 1z"],
++ [m4_fatal([invalid first argument `$1' to AX_CXX_COMPILE_STDCXX])])dnl
++ m4_if([$2], [], [],
++ [$2], [ext], [],
++ [$2], [noext], [],
++ [m4_fatal([invalid second argument `$2' to AX_CXX_COMPILE_STDCXX])])dnl
++ m4_if([$3], [], [ax_cxx_compile_cxx$1_required=true],
++ [$3], [mandatory], [ax_cxx_compile_cxx$1_required=true],
++ [$3], [optional], [ax_cxx_compile_cxx$1_required=false],
++ [m4_fatal([invalid third argument `$3' to AX_CXX_COMPILE_STDCXX])])
++ AC_LANG_PUSH([C++])dnl
++ ac_success=no
++ AC_CACHE_CHECK(whether $CXX supports C++$1 features by default,
++ ax_cv_cxx_compile_cxx$1,
++ [AC_COMPILE_IFELSE([AC_LANG_SOURCE([_AX_CXX_COMPILE_STDCXX_testbody_$1])],
++ [ax_cv_cxx_compile_cxx$1=yes],
++ [ax_cv_cxx_compile_cxx$1=no])])
++ if test x$ax_cv_cxx_compile_cxx$1 = xyes; then
++ ac_success=yes
++ fi
++
++ m4_if([$2], [noext], [], [dnl
++ if test x$ac_success = xno; then
++ for alternative in ${ax_cxx_compile_alternatives}; do
++ switch="-std=gnu++${alternative}"
++ cachevar=AS_TR_SH([ax_cv_cxx_compile_cxx$1_$switch])
++ AC_CACHE_CHECK(whether $CXX supports C++$1 features with $switch,
++ $cachevar,
++ [ac_save_CXX="$CXX"
++ CXX="$CXX $switch"
++ AC_COMPILE_IFELSE([AC_LANG_SOURCE([_AX_CXX_COMPILE_STDCXX_testbody_$1])],
++ [eval $cachevar=yes],
++ [eval $cachevar=no])
++ CXX="$ac_save_CXX"])
++ if eval test x\$$cachevar = xyes; then
++ CXX="$CXX $switch"
++ if test -n "$CXXCPP" ; then
++ CXXCPP="$CXXCPP $switch"
++ fi
++ ac_success=yes
++ break
++ fi
++ done
++ fi])
++
++ m4_if([$2], [ext], [], [dnl
++ if test x$ac_success = xno; then
++ dnl HP's aCC needs +std=c++11 according to:
++ dnl http://h21007.www2.hp.com/portal/download/files/unprot/aCxx/PDF_Release_Notes/769149-001.pdf
++ dnl Cray's crayCC needs "-h std=c++11"
++ for alternative in ${ax_cxx_compile_alternatives}; do
++ for switch in -std=c++${alternative} +std=c++${alternative} "-h std=c++${alternative}"; do
++ cachevar=AS_TR_SH([ax_cv_cxx_compile_cxx$1_$switch])
++ AC_CACHE_CHECK(whether $CXX supports C++$1 features with $switch,
++ $cachevar,
++ [ac_save_CXX="$CXX"
++ CXX="$CXX $switch"
++ AC_COMPILE_IFELSE([AC_LANG_SOURCE([_AX_CXX_COMPILE_STDCXX_testbody_$1])],
++ [eval $cachevar=yes],
++ [eval $cachevar=no])
++ CXX="$ac_save_CXX"])
++ if eval test x\$$cachevar = xyes; then
++ CXX="$CXX $switch"
++ if test -n "$CXXCPP" ; then
++ CXXCPP="$CXXCPP $switch"
++ fi
++ ac_success=yes
++ break
++ fi
++ done
++ if test x$ac_success = xyes; then
++ break
++ fi
++ done
++ fi])
++ AC_LANG_POP([C++])
++ if test x$ax_cxx_compile_cxx$1_required = xtrue; then
++ if test x$ac_success = xno; then
++ AC_MSG_ERROR([*** A compiler with support for C++$1 language features is required.])
++ fi
++ fi
++ if test x$ac_success = xno; then
++ HAVE_CXX$1=0
++ AC_MSG_NOTICE([No compiler with C++$1 support was found])
++ else
++ HAVE_CXX$1=1
++ AC_DEFINE(HAVE_CXX$1,1,
++ [define if the compiler supports basic C++$1 syntax])
++ fi
++ AC_SUBST(HAVE_CXX$1)
++ m4_if([$1], [17], [AC_MSG_WARN([C++17 is not yet standardized, so the checks may change in incompatible ways anytime])])
++])
++
++
++dnl Test body for checking C++11 support
++
++m4_define([_AX_CXX_COMPILE_STDCXX_testbody_11],
++ _AX_CXX_COMPILE_STDCXX_testbody_new_in_11
++)
++
++
++dnl Test body for checking C++14 support
++
++m4_define([_AX_CXX_COMPILE_STDCXX_testbody_14],
++ _AX_CXX_COMPILE_STDCXX_testbody_new_in_11
++ _AX_CXX_COMPILE_STDCXX_testbody_new_in_14
++)
++
++m4_define([_AX_CXX_COMPILE_STDCXX_testbody_17],
++ _AX_CXX_COMPILE_STDCXX_testbody_new_in_11
++ _AX_CXX_COMPILE_STDCXX_testbody_new_in_14
++ _AX_CXX_COMPILE_STDCXX_testbody_new_in_17
++)
++
++dnl Tests for new features in C++11
++
++m4_define([_AX_CXX_COMPILE_STDCXX_testbody_new_in_11], [[
++
++// If the compiler admits that it is not ready for C++11, why torture it?
++// Hopefully, this will speed up the test.
++
++#ifndef __cplusplus
++
++#error "This is not a C++ compiler"
++
++#elif __cplusplus < 201103L
++
++#error "This is not a C++11 compiler"
++
++#else
++
++namespace cxx11
++{
++
++ namespace test_static_assert
++ {
++
++ template <typename T>
++ struct check
++ {
++ static_assert(sizeof(int) <= sizeof(T), "not big enough");
++ };
++
++ }
++
++ namespace test_final_override
++ {
++
++ struct Base
++ {
++ virtual void f() {}
++ };
++
++ struct Derived : public Base
++ {
++ virtual void f() override {}
++ };
++
++ }
++
++ namespace test_double_right_angle_brackets
++ {
++
++ template < typename T >
++ struct check {};
++
++ typedef check<void> single_type;
++ typedef check<check<void>> double_type;
++ typedef check<check<check<void>>> triple_type;
++ typedef check<check<check<check<void>>>> quadruple_type;
++
++ }
++
++ namespace test_decltype
++ {
++
++ int
++ f()
++ {
++ int a = 1;
++ decltype(a) b = 2;
++ return a + b;
++ }
++
++ }
++
++ namespace test_type_deduction
++ {
++
++ template < typename T1, typename T2 >
++ struct is_same
++ {
++ static const bool value = false;
++ };
++
++ template < typename T >
++ struct is_same<T, T>
++ {
++ static const bool value = true;
++ };
++
++ template < typename T1, typename T2 >
++ auto
++ add(T1 a1, T2 a2) -> decltype(a1 + a2)
++ {
++ return a1 + a2;
++ }
++
++ int
++ test(const int c, volatile int v)
++ {
++ static_assert(is_same<int, decltype(0)>::value == true, "");
++ static_assert(is_same<int, decltype(c)>::value == false, "");
++ static_assert(is_same<int, decltype(v)>::value == false, "");
++ auto ac = c;
++ auto av = v;
++ auto sumi = ac + av + 'x';
++ auto sumf = ac + av + 1.0;
++ static_assert(is_same<int, decltype(ac)>::value == true, "");
++ static_assert(is_same<int, decltype(av)>::value == true, "");
++ static_assert(is_same<int, decltype(sumi)>::value == true, "");
++ static_assert(is_same<int, decltype(sumf)>::value == false, "");
++ static_assert(is_same<int, decltype(add(c, v))>::value == true, "");
++ return (sumf > 0.0) ? sumi : add(c, v);
++ }
++
++ }
++
++ namespace test_noexcept
++ {
++
++ int f() { return 0; }
++ int g() noexcept { return 0; }
++
++ static_assert(noexcept(f()) == false, "");
++ static_assert(noexcept(g()) == true, "");
++
++ }
++
++ namespace test_constexpr
++ {
++
++ template < typename CharT >
++ unsigned long constexpr
++ strlen_c_r(const CharT *const s, const unsigned long acc) noexcept
++ {
++ return *s ? strlen_c_r(s + 1, acc + 1) : acc;
++ }
++
++ template < typename CharT >
++ unsigned long constexpr
++ strlen_c(const CharT *const s) noexcept
++ {
++ return strlen_c_r(s, 0UL);
++ }
++
++ static_assert(strlen_c("") == 0UL, "");
++ static_assert(strlen_c("1") == 1UL, "");
++ static_assert(strlen_c("example") == 7UL, "");
++ static_assert(strlen_c("another\0example") == 7UL, "");
++
++ }
++
++ namespace test_rvalue_references
++ {
++
++ template < int N >
++ struct answer
++ {
++ static constexpr int value = N;
++ };
++
++ answer<1> f(int&) { return answer<1>(); }
++ answer<2> f(const int&) { return answer<2>(); }
++ answer<3> f(int&&) { return answer<3>(); }
++
++ void
++ test()
++ {
++ int i = 0;
++ const int c = 0;
++ static_assert(decltype(f(i))::value == 1, "");
++ static_assert(decltype(f(c))::value == 2, "");
++ static_assert(decltype(f(0))::value == 3, "");
++ }
++
++ }
++
++ namespace test_uniform_initialization
++ {
++
++ struct test
++ {
++ static const int zero {};
++ static const int one {1};
++ };
++
++ static_assert(test::zero == 0, "");
++ static_assert(test::one == 1, "");
++
++ }
++
++ namespace test_lambdas
++ {
++
++ void
++ test1()
++ {
++ auto lambda1 = [](){};
++ auto lambda2 = lambda1;
++ lambda1();
++ lambda2();
++ }
++
++ int
++ test2()
++ {
++ auto a = [](int i, int j){ return i + j; }(1, 2);
++ auto b = []() -> int { return '0'; }();
++ auto c = [=](){ return a + b; }();
++ auto d = [&](){ return c; }();
++ auto e = [a, &b](int x) mutable {
++ const auto identity = [](int y){ return y; };
++ for (auto i = 0; i < a; ++i)
++ a += b--;
++ return x + identity(a + b);
++ }(0);
++ return a + b + c + d + e;
++ }
++
++ int
++ test3()
++ {
++ const auto nullary = [](){ return 0; };
++ const auto unary = [](int x){ return x; };
++ using nullary_t = decltype(nullary);
++ using unary_t = decltype(unary);
++ const auto higher1st = [](nullary_t f){ return f(); };
++ const auto higher2nd = [unary](nullary_t f1){
++ return [unary, f1](unary_t f2){ return f2(unary(f1())); };
++ };
++ return higher1st(nullary) + higher2nd(nullary)(unary);
++ }
++
++ }
++
++ namespace test_variadic_templates
++ {
++
++ template <int...>
++ struct sum;
++
++ template <int N0, int... N1toN>
++ struct sum<N0, N1toN...>
++ {
++ static constexpr auto value = N0 + sum<N1toN...>::value;
++ };
++
++ template <>
++ struct sum<>
++ {
++ static constexpr auto value = 0;
++ };
++
++ static_assert(sum<>::value == 0, "");
++ static_assert(sum<1>::value == 1, "");
++ static_assert(sum<23>::value == 23, "");
++ static_assert(sum<1, 2>::value == 3, "");
++ static_assert(sum<5, 5, 11>::value == 21, "");
++ static_assert(sum<2, 3, 5, 7, 11, 13>::value == 41, "");
++
++ }
++
++ // http://stackoverflow.com/questions/13728184/template-aliases-and-sfinae
++ // Clang 3.1 fails with headers of libstd++ 4.8.3 when using std::function
++ // because of this.
++ namespace test_template_alias_sfinae
++ {
++
++ struct foo {};
++
++ template<typename T>
++ using member = typename T::member_type;
++
++ template<typename T>
++ void func(...) {}
++
++ template<typename T>
++ void func(member<T>*) {}
++
++ void test();
++
++ void test() { func<foo>(0); }
++
++ }
++
++} // namespace cxx11
++
++#endif // __cplusplus >= 201103L
++
++]])
++
++
++dnl Tests for new features in C++14
++
++m4_define([_AX_CXX_COMPILE_STDCXX_testbody_new_in_14], [[
++
++// If the compiler admits that it is not ready for C++14, why torture it?
++// Hopefully, this will speed up the test.
++
++#ifndef __cplusplus
++
++#error "This is not a C++ compiler"
++
++#elif __cplusplus < 201402L
++
++#error "This is not a C++14 compiler"
++
++#else
++
++namespace cxx14
++{
++
++ namespace test_polymorphic_lambdas
++ {
++
++ int
++ test()
++ {
++ const auto lambda = [](auto&&... args){
++ const auto istiny = [](auto x){
++ return (sizeof(x) == 1UL) ? 1 : 0;
++ };
++ const int aretiny[] = { istiny(args)... };
++ return aretiny[0];
++ };
++ return lambda(1, 1L, 1.0f, '1');
++ }
++
++ }
++
++ namespace test_binary_literals
++ {
++
++ constexpr auto ivii = 0b0000000000101010;
++ static_assert(ivii == 42, "wrong value");
++
++ }
++
++ namespace test_generalized_constexpr
++ {
++
++ template < typename CharT >
++ constexpr unsigned long
++ strlen_c(const CharT *const s) noexcept
++ {
++ auto length = 0UL;
++ for (auto p = s; *p; ++p)
++ ++length;
++ return length;
++ }
++
++ static_assert(strlen_c("") == 0UL, "");
++ static_assert(strlen_c("x") == 1UL, "");
++ static_assert(strlen_c("test") == 4UL, "");
++ static_assert(strlen_c("another\0test") == 7UL, "");
++
++ }
++
++ namespace test_lambda_init_capture
++ {
++
++ int
++ test()
++ {
++ auto x = 0;
++ const auto lambda1 = [a = x](int b){ return a + b; };
++ const auto lambda2 = [a = lambda1(x)](){ return a; };
++ return lambda2();
++ }
++
++ }
++
++ namespace test_digit_separators
++ {
++
++ constexpr auto ten_million = 100'000'000;
++ static_assert(ten_million == 100000000, "");
++
++ }
++
++ namespace test_return_type_deduction
++ {
++
++ auto f(int& x) { return x; }
++ decltype(auto) g(int& x) { return x; }
++
++ template < typename T1, typename T2 >
++ struct is_same
++ {
++ static constexpr auto value = false;
++ };
++
++ template < typename T >
++ struct is_same<T, T>
++ {
++ static constexpr auto value = true;
++ };
++
++ int
++ test()
++ {
++ auto x = 0;
++ static_assert(is_same<int, decltype(f(x))>::value, "");
++ static_assert(is_same<int&, decltype(g(x))>::value, "");
++ return x;
++ }
++
++ }
++
++} // namespace cxx14
++
++#endif // __cplusplus >= 201402L
++
++]])
++
++
++dnl Tests for new features in C++17
++
++m4_define([_AX_CXX_COMPILE_STDCXX_testbody_new_in_17], [[
++
++// If the compiler admits that it is not ready for C++17, why torture it?
++// Hopefully, this will speed up the test.
++
++#ifndef __cplusplus
++
++#error "This is not a C++ compiler"
++
++#elif __cplusplus <= 201402L
++
++#error "This is not a C++17 compiler"
++
++#else
++
++#if defined(__clang__)
++ #define REALLY_CLANG
++#else
++ #if defined(__GNUC__)
++ #define REALLY_GCC
++ #endif
++#endif
++
++#include <initializer_list>
++#include <utility>
++#include <type_traits>
++
++namespace cxx17
++{
++
++#if !defined(REALLY_CLANG)
++ namespace test_constexpr_lambdas
++ {
++
++ // TODO: test it with clang++ from git
++
++ constexpr int foo = [](){return 42;}();
++
++ }
++#endif // !defined(REALLY_CLANG)
++
++ namespace test::nested_namespace::definitions
++ {
++
++ }
++
++ namespace test_fold_expression
++ {
++
++ template<typename... Args>
++ int multiply(Args... args)
++ {
++ return (args * ... * 1);
++ }
++
++ template<typename... Args>
++ bool all(Args... args)
++ {
++ return (args && ...);
++ }
++
++ }
++
++ namespace test_extended_static_assert
++ {
++
++ static_assert (true);
++
++ }
++
++ namespace test_auto_brace_init_list
++ {
++
++ auto foo = {5};
++ auto bar {5};
++
++ static_assert(std::is_same<std::initializer_list<int>, decltype(foo)>::value);
++ static_assert(std::is_same<int, decltype(bar)>::value);
++ }
++
++ namespace test_typename_in_template_template_parameter
++ {
++
++ template<template<typename> typename X> struct D;
++
++ }
++
++ namespace test_fallthrough_nodiscard_maybe_unused_attributes
++ {
++
++ int f1()
++ {
++ return 42;
++ }
++
++ [[nodiscard]] int f2()
++ {
++ [[maybe_unused]] auto unused = f1();
++
++ switch (f1())
++ {
++ case 17:
++ f1();
++ [[fallthrough]];
++ case 42:
++ f1();
++ }
++ return f1();
++ }
++
++ }
++
++ namespace test_extended_aggregate_initialization
++ {
++
++ struct base1
++ {
++ int b1, b2 = 42;
++ };
++
++ struct base2
++ {
++ base2() {
++ b3 = 42;
++ }
++ int b3;
++ };
++
++ struct derived : base1, base2
++ {
++ int d;
++ };
++
++ derived d1 {{1, 2}, {}, 4}; // full initialization
++ derived d2 {{}, {}, 4}; // value-initialized bases
++
++ }
++
++ namespace test_general_range_based_for_loop
++ {
++
++ struct iter
++ {
++ int i;
++
++ int& operator* ()
++ {
++ return i;
++ }
++
++ const int& operator* () const
++ {
++ return i;
++ }
++
++ iter& operator++()
++ {
++ ++i;
++ return *this;
++ }
++ };
++
++ struct sentinel
++ {
++ int i;
++ };
++
++ bool operator== (const iter& i, const sentinel& s)
++ {
++ return i.i == s.i;
++ }
++
++ bool operator!= (const iter& i, const sentinel& s)
++ {
++ return !(i == s);
++ }
++
++ struct range
++ {
++ iter begin() const
++ {
++ return {0};
++ }
++
++ sentinel end() const
++ {
++ return {5};
++ }
++ };
++
++ void f()
++ {
++ range r {};
++
++ for (auto i : r)
++ {
++ [[maybe_unused]] auto v = i;
++ }
++ }
++
++ }
++
++ namespace test_lambda_capture_asterisk_this_by_value
++ {
++
++ struct t
++ {
++ int i;
++ int foo()
++ {
++ return [*this]()
++ {
++ return i;
++ }();
++ }
++ };
++
++ }
++
++ namespace test_enum_class_construction
++ {
++
++ enum class byte : unsigned char
++ {};
++
++ byte foo {42};
++
++ }
++
++ namespace test_constexpr_if
++ {
++
++ template <bool cond>
++ int f ()
++ {
++ if constexpr(cond)
++ {
++ return 13;
++ }
++ else
++ {
++ return 42;
++ }
++ }
++
++ }
++
++ namespace test_selection_statement_with_initializer
++ {
++
++ int f()
++ {
++ return 13;
++ }
++
++ int f2()
++ {
++ if (auto i = f(); i > 0)
++ {
++ return 3;
++ }
++
++ switch (auto i = f(); i + 4)
++ {
++ case 17:
++ return 2;
++
++ default:
++ return 1;
++ }
++ }
++
++ }
++
++#if !defined(REALLY_CLANG)
++ namespace test_template_argument_deduction_for_class_templates
++ {
++
++ // TODO: test it with clang++ from git
++
++ template <typename T1, typename T2>
++ struct pair
++ {
++ pair (T1 p1, T2 p2)
++ : m1 {p1},
++ m2 {p2}
++ {}
++
++ T1 m1;
++ T2 m2;
++ };
++
++ void f()
++ {
++ [[maybe_unused]] auto p = pair{13, 42u};
++ }
++
++ }
++#endif // !defined(REALLY_CLANG)
++
++ namespace test_non_type_auto_template_parameters
++ {
++
++ template <auto n>
++ struct B
++ {};
++
++ B<5> b1;
++ B<'a'> b2;
++
++ }
++
++#if !defined(REALLY_CLANG)
++ namespace test_structured_bindings
++ {
++
++ // TODO: test it with clang++ from git
++
++ int arr[2] = { 1, 2 };
++ std::pair<int, int> pr = { 1, 2 };
++
++ auto f1() -> int(&)[2]
++ {
++ return arr;
++ }
++
++ auto f2() -> std::pair<int, int>&
++ {
++ return pr;
++ }
++
++ struct S
++ {
++ int x1 : 2;
++ volatile double y1;
++ };
++
++ S f3()
++ {
++ return {};
++ }
++
++ auto [ x1, y1 ] = f1();
++ auto& [ xr1, yr1 ] = f1();
++ auto [ x2, y2 ] = f2();
++ auto& [ xr2, yr2 ] = f2();
++ const auto [ x3, y3 ] = f3();
++
++ }
++#endif // !defined(REALLY_CLANG)
++
++#if !defined(REALLY_CLANG)
++ namespace test_exception_spec_type_system
++ {
++
++ // TODO: test it with clang++ from git
++
++ struct Good {};
++ struct Bad {};
++
++ void g1() noexcept;
++ void g2();
++
++ template<typename T>
++ Bad
++ f(T*, T*);
++
++ template<typename T1, typename T2>
++ Good
++ f(T1*, T2*);
++
++ static_assert (std::is_same_v<Good, decltype(f(g1, g2))>);
++
++ }
++#endif // !defined(REALLY_CLANG)
++
++ namespace test_inline_variables
++ {
++
++ template<class T> void f(T)
++ {}
++
++ template<class T> inline T g(T)
++ {
++ return T{};
++ }
++
++ template<> inline void f<>(int)
++ {}
++
++ template<> int g<>(int)
++ {
++ return 5;
++ }
++
++ }
++
++} // namespace cxx17
++
++#endif // __cplusplus <= 201402L
++
++]])
diff --git a/spyview/Fl_Listbox.H b/spyview/Fl_Listbox.H
index 35803fc..832792b 100644
--- a/spyview/Fl_Listbox.H