Add C++11, C++14 and C++17 support to configure.sh

17 files changed, 166 insertions, 57 deletions

diff --git a/TestPrograms/test_cxx11_alignas.cxx b/TestPrograms/test_cxx11_alignas.cxx
index 3debcba9..9b1504cf 100644
--- a/TestPrograms/test_cxx11_alignas.cxx
+++ b/TestPrograms/test_cxx11_alignas.cxx
@@ -1,5 +1,5 @@
-int main(int argc, char* argv[])
-{
-    alignas(16) unsigned char x[16];
-    return 0;
-}
+int main(int argc, char* argv[])

+{

+    alignas(16) unsigned char x[16];

+    return 0;

+}

diff --git a/TestPrograms/test_cxx11_alignof.cxx b/TestPrograms/test_cxx11_alignof.cxx
index a5b72fff..f2d701ce 100644
--- a/TestPrograms/test_cxx11_alignof.cxx
+++ b/TestPrograms/test_cxx11_alignof.cxx
@@ -1,6 +1,6 @@
-#include <cstddef>
-int main (int argc, char* argv[])
-{
-    std::size_t n = alignof(int);
-    return 0;
-}
+#include <cstddef>

+int main (int argc, char* argv[])

+{

+    std::size_t n = alignof(int);

+    return 0;

+}

diff --git a/TestPrograms/test_cxx11_assert.cxx b/TestPrograms/test_cxx11_assert.cxx
new file mode 100644
index 00000000..7d37315d
--- /dev/null
+++ b/TestPrograms/test_cxx11_assert.cxx
@@ -0,0 +1,10 @@
+// https://en.cppreference.com/w/cpp/feature_test

+int main(int argc, char* argv[])

+{

+#if __cpp_static_assert >= 200410L

+    int x[1];

+#else

+    int x[-1];

+#endif

+    return 0;

+}

diff --git a/TestPrograms/test_cxx11_atomic.cxx b/TestPrograms/test_cxx11_atomic.cxx
index 63d16489..93745e1b 100644
--- a/TestPrograms/test_cxx11_atomic.cxx
+++ b/TestPrograms/test_cxx11_atomic.cxx
@@ -1,7 +1,7 @@
-#include <atomic>
-int main(int argc, char* argv[])
-{
-    std::atomic_flag f = ATOMIC_FLAG_INIT;
-    std::atomic<bool> g (false);
-    return 0;
-}
+#include <atomic>

+int main(int argc, char* argv[])

+{

+    std::atomic_flag f = ATOMIC_FLAG_INIT;

+    std::atomic<bool> g (false);

+    return 0;

+}

diff --git a/TestPrograms/test_cxx11_constexpr.cxx b/TestPrograms/test_cxx11_constexpr.cxx
new file mode 100644
index 00000000..0551746c
--- /dev/null
+++ b/TestPrograms/test_cxx11_constexpr.cxx
@@ -0,0 +1,10 @@
+constexpr int fact(int n)

+{

+    return n <= 1 ? 1 : (n * fact(n - 1));

+}

+

+int main(int argc, char* argv[])

+{

+    fact(4);

+    return 0;

+}

diff --git a/TestPrograms/test_cxx11_deletefn.cxx b/TestPrograms/test_cxx11_deletefn.cxx
index d1e3a78b..94e56744 100644
--- a/TestPrograms/test_cxx11_deletefn.cxx
+++ b/TestPrograms/test_cxx11_deletefn.cxx
@@ -1,10 +1,10 @@
-struct S {
-    S() = delete;
-    explicit S(int n) { }
-};
-
-int main (int argc, char* rgv[])
-{
-    S s(1);
-    return 0;
-}
+struct S {

+    S() = delete;

+    explicit S(int n) { }

+};

+

+int main (int argc, char* rgv[])

+{

+    S s(1);

+    return 0;

+}

diff --git a/TestPrograms/test_cxx11_dyninit.cxx b/TestPrograms/test_cxx11_dyninit.cxx
index c826fa3f..fee28c7c 100644
--- a/TestPrograms/test_cxx11_dyninit.cxx
+++ b/TestPrograms/test_cxx11_dyninit.cxx
@@ -1,10 +1,10 @@
-// https://en.cppreference.com/w/cpp/feature_test
-int main(int argc, char* argv[])
-{
-#if __cpp_threadsafe_static_init >= 200806L
-    int x[1];
-#else
-    int x[-1];
-#endif
-    return 0;
-}
+// https://en.cppreference.com/w/cpp/feature_test

+int main(int argc, char* argv[])

+{

+#if __cpp_threadsafe_static_init >= 200806L

+    int x[1];

+#else

+    int x[-1];

+#endif

+    return 0;

+}

diff --git a/TestPrograms/test_cxx11_enumtype.cxx b/TestPrograms/test_cxx11_enumtype.cxx
new file mode 100644
index 00000000..5e066e42
--- /dev/null
+++ b/TestPrograms/test_cxx11_enumtype.cxx
@@ -0,0 +1,7 @@
+#include <cstddef>

+int main(int argc, char* argv[])

+{

+    enum Size : std::size_t { Zero=0, One=1, Two=2 };

+    Size s(Size::Zero);

+    return 0;

+}

diff --git a/TestPrograms/test_cxx11_lambda.cxx b/TestPrograms/test_cxx11_lambda.cxx
index 7e28ecb8..d85b7af9 100644
--- a/TestPrograms/test_cxx11_lambda.cxx
+++ b/TestPrograms/test_cxx11_lambda.cxx
@@ -1,10 +1,10 @@
-// https://en.cppreference.com/w/cpp/feature_test
-int main(int argc, char* argv[])
-{
-#if __cpp_lambdas >= 200907L
-    int x[1];
-#else
-    int x[-1];
-#endif
-    return 0;
-}
+// https://en.cppreference.com/w/cpp/feature_test

+int main(int argc, char* argv[])

+{

+#if __cpp_lambdas >= 200907L

+    int x[1];

+#else

+    int x[-1];

+#endif

+    return 0;

+}

diff --git a/TestPrograms/test_cxx11_noexcept.cxx b/TestPrograms/test_cxx11_noexcept.cxx
new file mode 100644
index 00000000..95cca1bc
--- /dev/null
+++ b/TestPrograms/test_cxx11_noexcept.cxx
@@ -0,0 +1,18 @@
+#define GNUC_VERSION (__GNUC__*1000 + __GNUC_MAJOR__*10)

+#if (GNUC_VERSION >= 4060) || defined(__clang__)

+# pragma GCC diagnostic ignored "-Wterminate"

+#endif

+

+#include <stdexcept>

+

+void f(int n) noexcept(false)

+{

+    if (n > 2)

+        throw std::runtime_error("Oops");

+}

+

+int main(int argc, char* argv[])

+{

+    f(argc);

+    return 0;

+}

diff --git a/TestPrograms/test_cxx11_nullptr.cxx b/TestPrograms/test_cxx11_nullptr.cxx
new file mode 100644
index 00000000..9dc0c977
--- /dev/null
+++ b/TestPrograms/test_cxx11_nullptr.cxx
@@ -0,0 +1,6 @@
+#include <cstddef>

+int main(int argc, char* argv[])

+{

+    int* p = nullptr;

+    return 0;

+}

diff --git a/TestPrograms/test_cxx11_sync.cxx b/TestPrograms/test_cxx11_sync.cxx
index 56076924..92c7b514 100644
--- a/TestPrograms/test_cxx11_sync.cxx
+++ b/TestPrograms/test_cxx11_sync.cxx
@@ -1,7 +1,7 @@
-#include <mutex>
-int main(int argc, char* argv[])
-{
-    static std::mutex m;
-    std::lock_guard<std::mutex> l(m);
-    return 0;
-}
+#include <mutex>

+int main(int argc, char* argv[])

+{

+    std::mutex m;

+    std::lock_guard<std::mutex> l(m);

+    return 0;

+}

diff --git a/TestPrograms/test_cxx11_vartemplates.cxx b/TestPrograms/test_cxx11_vartemplates.cxx
new file mode 100644
index 00000000..2590c0d9
--- /dev/null
+++ b/TestPrograms/test_cxx11_vartemplates.cxx
@@ -0,0 +1,9 @@
+int main(int argc, char* argv[])

+{

+#if __cpp_variadic_templates >= 200704L

+    int x[1];

+#else

+    int x[-1];

+#endif

+    return 0;

+}

diff --git a/TestPrograms/test_cxx14.cxx b/TestPrograms/test_cxx14.cxx
new file mode 100644
index 00000000..1f024cd2
--- /dev/null
+++ b/TestPrograms/test_cxx14.cxx
@@ -0,0 +1,16 @@
+// https://stackoverflow.com/a/30940639

+#include <tuple>

+#include <functional>

+auto f()

+{

+    // this fn returns multiple values

+    int x = 5;

+    return std::make_tuple(x, 7);

+}

+

+int main(int argc, char* argv[])

+{

+    int a, b;

+    std::tie(a, b) = f();

+    return 0;

+}

diff --git a/TestPrograms/test_cxx17.cxx b/TestPrograms/test_cxx17.cxx
index 32dd43d2..ec97fe44 100644
--- a/TestPrograms/test_cxx17.cxx
+++ b/TestPrograms/test_cxx17.cxx
@@ -1,5 +1,17 @@
-#include <exception>

+// Real C++17 compilers provide 'if constexpr'

+#include <type_traits>

+

+template <typename T>

+auto get_value(T t)

+{

+    if constexpr (std::is_pointer_v<T>)

+        return t[0];

+    else

+        return t;

+}

+

 int main(int argc, char* argv[])

 {

-    return 0 == std::uncaught_exceptions() ? 0 : 1;

+    char c = get_value(argv[0]);

+    return 0;

 }

diff --git a/TestPrograms/test_cxx17_assert.cxx b/TestPrograms/test_cxx17_assert.cxx
new file mode 100644
index 00000000..a365789a
--- /dev/null
+++ b/TestPrograms/test_cxx17_assert.cxx
@@ -0,0 +1,10 @@
+// https://en.cppreference.com/w/cpp/feature_test

+int main(int argc, char* argv[])

+{

+#if __cpp_static_assert >= 201411L

+    int x[1];

+#else

+    int x[-1];

+#endif

+    return 0;

+}

diff --git a/TestPrograms/test_cxx17_exceptions.cxx b/TestPrograms/test_cxx17_exceptions.cxx
new file mode 100644
index 00000000..b2401a38
--- /dev/null
+++ b/TestPrograms/test_cxx17_exceptions.cxx
@@ -0,0 +1,11 @@
+// https://en.cppreference.com/w/cpp/feature_test

+#include <exception>

+int main(int argc, char* argv[])

+{

+#if __cpp_lib_uncaught_exceptions >= 201411L

+    int x = std::uncaught_exceptions();

+#else

+    int x[-1];

+#endif

+    return 0;

+}