/usr/share/dune/aclocal/cxx11_noexcept.m4 is in libdune-common-dev 2.4.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 | # tests for C++11 noexcept specifier support
# this test does not test the noexcept operator
# the associated macro is called HAVE_NOEXCEPT_SPECIFIER
AC_DEFUN([DUNE_CXX11_NOEXCEPT_SPECIFIER_CHECK],[
AC_CACHE_CHECK([for C++11 noexcept specifier],
dune_cv_cxx11_noexcept_specifier_support,
[
AC_REQUIRE([AC_PROG_CXX])
AC_REQUIRE([CXX11])
AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM(
[
void func1() noexcept {}
void func2() noexcept(true) {}
template <class T>
void func3() noexcept(noexcept(T())) {}
],[
func1();
func2();
func3<int>();
])],
dune_cv_cxx11_noexcept_specifier_support=yes,
dune_cv_cxx11_noexcept_specifier_support=no)
AC_LANG_POP
])
if test "$dune_cv_cxx11_noexcept_specifier_support" = yes; then
AC_DEFINE(HAVE_NOEXCEPT_SPECIFIER, 1,
[Define to 1 if C++11 nonexcept specifier is supported])
fi
])
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