diff --git a/license.txt b/license.txt index 47cc3fc14..875fa449f 100644 --- a/license.txt +++ b/license.txt @@ -250,6 +250,7 @@ Copyright: 2008 Benjamin Kosnik 2014, 2015 Google Inc.; contributed by Alexey Sokolov 2015 Paul Norman 2015 Moritz Klammler + 2016 Krzesimir Nowak License: FSFAP Files: m4/ax_latex_class.m4 m4/ax_tex_test.m4 diff --git a/m4/ax_blas.m4 b/m4/ax_blas.m4 index 1b5887d60..bf9f29c62 100644 --- a/m4/ax_blas.m4 +++ b/m4/ax_blas.m4 @@ -1,5 +1,5 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_blas.html +# https://www.gnu.org/software/autoconf-archive/ax_blas.html # =========================================================================== # # SYNOPSIS @@ -48,7 +48,7 @@ # Public License for more details. # # You should have received a copy of the GNU General Public License along -# with this program. If not, see . +# with this program. If not, see . # # As a special exception, the respective Autoconf Macro's copyright owner # gives unlimited permission to copy, distribute and modify the configure @@ -63,7 +63,7 @@ # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. -#serial 14 +#serial 15 AU_ALIAS([ACX_BLAS], [AX_BLAS]) AC_DEFUN([AX_BLAS], [ @@ -170,11 +170,11 @@ if test $ax_blas_ok = no; then AC_CHECK_LIB(mkl, $sgemm, [ax_blas_ok=yes;BLAS_LIBS="-lmkl -lguide -lpthread"],,[-lguide -lpthread]) fi -# BLAS in Apple Accelerate library? +# BLAS in Apple vecLib library? if test $ax_blas_ok = no; then - save_LIBS="$LIBS"; LIBS="-framework Accelerate $LIBS" - AC_MSG_CHECKING([for $sgemm in -framework Accelerate]) - AC_TRY_LINK_FUNC($sgemm, [ax_blas_ok=yes;BLAS_LIBS="-framework Accelerate"]) + save_LIBS="$LIBS"; LIBS="-framework vecLib $LIBS" + AC_MSG_CHECKING([for $sgemm in -framework vecLib]) + AC_TRY_LINK_FUNC($sgemm, [ax_blas_ok=yes;BLAS_LIBS="-framework vecLib"]) AC_MSG_RESULT($ax_blas_ok) LIBS="$save_LIBS" fi diff --git a/m4/ax_boost_base.m4 b/m4/ax_boost_base.m4 deleted file mode 100644 index 57d14fe48..000000000 --- a/m4/ax_boost_base.m4 +++ /dev/null @@ -1,260 +0,0 @@ -# =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_boost_base.html -# =========================================================================== -# -# SYNOPSIS -# -# AX_BOOST_BASE([MINIMUM-VERSION], [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) -# -# DESCRIPTION -# -# Test for the Boost C++ libraries of a particular version (or newer) -# -# If no path to the installed boost library is given the macro searchs -# under /usr, /usr/local, /opt and /opt/local and evaluates the -# $BOOST_ROOT environment variable. Further documentation is available at -# . -# -# This macro calls: -# -# AC_SUBST(BOOST_CPPFLAGS) / AC_SUBST(BOOST_LDFLAGS) -# -# And sets: -# -# HAVE_BOOST -# -# LICENSE -# -# Copyright (c) 2008 Thomas Porschberg -# Copyright (c) 2009 Peter Adolphs -# -# Copying and distribution of this file, with or without modification, are -# permitted in any medium without royalty provided the copyright notice -# and this notice are preserved. This file is offered as-is, without any -# warranty. - -#serial 21 - -AC_DEFUN([AX_BOOST_BASE], -[ -AC_ARG_WITH([boost], - [AS_HELP_STRING([--with-boost@<:@=ARG@:>@], - [use Boost library from a standard location (ARG=yes), - from the specified location (ARG=), - or disable it (ARG=no) - @<:@ARG=yes@:>@ ])], - [ - if test "$withval" = "no"; then - want_boost="no" - elif test "$withval" = "yes"; then - want_boost="yes" - ac_boost_path="" - else - want_boost="yes" - ac_boost_path="$withval" - fi - ], - [want_boost="yes"]) - - -AC_ARG_WITH([boost-libdir], - AS_HELP_STRING([--with-boost-libdir=LIB_DIR], - [Force given directory for boost libraries. Note that this will override library path detection, so use this parameter only if default library detection fails and you know exactly where your boost libraries are located.]), - [ - if test -d "$withval" - then - ac_boost_lib_path="$withval" - else - AC_MSG_ERROR(--with-boost-libdir expected directory name) - fi - ], - [ac_boost_lib_path=""] -) - -if test "x$want_boost" = "xyes"; then - boost_lib_version_req=ifelse([$1], ,1.20.0,$1) - boost_lib_version_req_shorten=`expr $boost_lib_version_req : '\([[0-9]]*\.[[0-9]]*\)'` - boost_lib_version_req_major=`expr $boost_lib_version_req : '\([[0-9]]*\)'` - boost_lib_version_req_minor=`expr $boost_lib_version_req : '[[0-9]]*\.\([[0-9]]*\)'` - boost_lib_version_req_sub_minor=`expr $boost_lib_version_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'` - if test "x$boost_lib_version_req_sub_minor" = "x" ; then - boost_lib_version_req_sub_minor="0" - fi - WANT_BOOST_VERSION=`expr $boost_lib_version_req_major \* 100000 \+ $boost_lib_version_req_minor \* 100 \+ $boost_lib_version_req_sub_minor` - AC_MSG_CHECKING(for boostlib >= $boost_lib_version_req) - succeeded=no - - dnl On 64-bit systems check for system libraries in both lib64 and lib. - dnl The former is specified by FHS, but e.g. Debian does not adhere to - dnl this (as it rises problems for generic multi-arch support). - dnl The last entry in the list is chosen by default when no libraries - dnl are found, e.g. when only header-only libraries are installed! - libsubdirs="lib" - ax_arch=`uname -m` - case $ax_arch in - x86_64|ppc64|s390x|sparc64|aarch64) - libsubdirs="lib64 lib lib64" - ;; - esac - - dnl first we check the system location for boost libraries - dnl this location ist chosen if boost libraries are installed with the --layout=system option - dnl or if you install boost with RPM - if test "$ac_boost_path" != ""; then - BOOST_CPPFLAGS="-I$ac_boost_path/include" - for ac_boost_path_tmp in $libsubdirs; do - if test -d "$ac_boost_path"/"$ac_boost_path_tmp" ; then - BOOST_LDFLAGS="-L$ac_boost_path/$ac_boost_path_tmp" - break - fi - done - elif test "$cross_compiling" != yes; then - for ac_boost_path_tmp in /usr /usr/local /opt /opt/local ; do - if test -d "$ac_boost_path_tmp/include/boost" && test -r "$ac_boost_path_tmp/include/boost"; then - for libsubdir in $libsubdirs ; do - if ls "$ac_boost_path_tmp/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi - done - BOOST_LDFLAGS="-L$ac_boost_path_tmp/$libsubdir" - BOOST_CPPFLAGS="-I$ac_boost_path_tmp/include" - break; - fi - done - fi - - dnl overwrite ld flags if we have required special directory with - dnl --with-boost-libdir parameter - if test "$ac_boost_lib_path" != ""; then - BOOST_LDFLAGS="-L$ac_boost_lib_path" - fi - - CPPFLAGS_SAVED="$CPPFLAGS" - CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS" - export CPPFLAGS - - LDFLAGS_SAVED="$LDFLAGS" - LDFLAGS="$LDFLAGS $BOOST_LDFLAGS" - export LDFLAGS - - AC_REQUIRE([AC_PROG_CXX]) - AC_LANG_PUSH(C++) - AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ - @%:@include - ]], [[ - #if BOOST_VERSION >= $WANT_BOOST_VERSION - // Everything is okay - #else - # error Boost version is too old - #endif - ]])],[ - AC_MSG_RESULT(yes) - succeeded=yes - found_system=yes - ],[ - ]) - AC_LANG_POP([C++]) - - - - dnl if we found no boost with system layout we search for boost libraries - dnl built and installed without the --layout=system option or for a staged(not installed) version - if test "x$succeeded" != "xyes"; then - _version=0 - if test "$ac_boost_path" != ""; then - if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then - for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do - _version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'` - V_CHECK=`expr $_version_tmp \> $_version` - if test "$V_CHECK" = "1" ; then - _version=$_version_tmp - fi - VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'` - BOOST_CPPFLAGS="-I$ac_boost_path/include/boost-$VERSION_UNDERSCORE" - done - fi - else - if test "$cross_compiling" != yes; then - for ac_boost_path in /usr /usr/local /opt /opt/local ; do - if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then - for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do - _version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'` - V_CHECK=`expr $_version_tmp \> $_version` - if test "$V_CHECK" = "1" ; then - _version=$_version_tmp - best_path=$ac_boost_path - fi - done - fi - done - - VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'` - BOOST_CPPFLAGS="-I$best_path/include/boost-$VERSION_UNDERSCORE" - if test "$ac_boost_lib_path" = ""; then - for libsubdir in $libsubdirs ; do - if ls "$best_path/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi - done - BOOST_LDFLAGS="-L$best_path/$libsubdir" - fi - fi - - if test "x$BOOST_ROOT" != "x"; then - for libsubdir in $libsubdirs ; do - if ls "$BOOST_ROOT/stage/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi - done - if test -d "$BOOST_ROOT" && test -r "$BOOST_ROOT" && test -d "$BOOST_ROOT/stage/$libsubdir" && test -r "$BOOST_ROOT/stage/$libsubdir"; then - version_dir=`expr //$BOOST_ROOT : '.*/\(.*\)'` - stage_version=`echo $version_dir | sed 's/boost_//' | sed 's/_/./g'` - stage_version_shorten=`expr $stage_version : '\([[0-9]]*\.[[0-9]]*\)'` - V_CHECK=`expr $stage_version_shorten \>\= $_version` - if test "$V_CHECK" = "1" -a "$ac_boost_lib_path" = "" ; then - AC_MSG_NOTICE(We will use a staged boost library from $BOOST_ROOT) - BOOST_CPPFLAGS="-I$BOOST_ROOT" - BOOST_LDFLAGS="-L$BOOST_ROOT/stage/$libsubdir" - fi - fi - fi - fi - - CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS" - export CPPFLAGS - LDFLAGS="$LDFLAGS $BOOST_LDFLAGS" - export LDFLAGS - - AC_LANG_PUSH(C++) - AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ - @%:@include - ]], [[ - #if BOOST_VERSION >= $WANT_BOOST_VERSION - // Everything is okay - #else - # error Boost version is too old - #endif - ]])],[ - AC_MSG_RESULT(yes) - succeeded=yes - found_system=yes - ],[ - ]) - AC_LANG_POP([C++]) - fi - - if test "$succeeded" != "yes" ; then - if test "$_version" = "0" ; then - AC_MSG_NOTICE([[We could not detect the boost libraries (version $boost_lib_version_req_shorten or higher). If you have a staged boost library (still not installed) please specify \$BOOST_ROOT in your environment and do not give a PATH to --with-boost option. If you are sure you have boost installed, then check your version number looking in . See http://randspringer.de/boost for more documentation.]]) - else - AC_MSG_NOTICE([Your boost libraries seems to old (version $_version).]) - fi - # execute ACTION-IF-NOT-FOUND (if present): - ifelse([$3], , :, [$3]) - else - AC_SUBST(BOOST_CPPFLAGS) - AC_SUBST(BOOST_LDFLAGS) - AC_DEFINE(HAVE_BOOST,,[define if the Boost library is available]) - # execute ACTION-IF-FOUND (if present): - ifelse([$2], , :, [$2]) - fi - - CPPFLAGS="$CPPFLAGS_SAVED" - LDFLAGS="$LDFLAGS_SAVED" -fi - -]) diff --git a/m4/ax_compare_version.m4 b/m4/ax_compare_version.m4 index 74dc0fdd9..ffb4997e8 100644 --- a/m4/ax_compare_version.m4 +++ b/m4/ax_compare_version.m4 @@ -1,5 +1,5 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_compare_version.html +# https://www.gnu.org/software/autoconf-archive/ax_compare_version.html # =========================================================================== # # SYNOPSIS @@ -79,7 +79,7 @@ # and this notice are preserved. This file is offered as-is, without any # warranty. -#serial 11 +#serial 13 dnl ######################################################################### AC_DEFUN([AX_COMPARE_VERSION], [ @@ -146,7 +146,7 @@ x$B" | sed 's/^ *//' | sort -r | sed "s/x${A}/true/;s/x${B}/false/;1q"` ], [.+],[ AC_WARNING( - [illegal OP numeric parameter: $2]) + [invalid OP numeric parameter: $2]) ],[]) # Pad zeros at end of numbers to make same length. @@ -162,7 +162,7 @@ x$B" | sed 's/^ *//' | sort -r | sed "s/x${A}/true/;s/x${B}/false/;1q"` [ne],[ test "x$A" != "x$B" && ax_compare_version=true ],[ - AC_WARNING([illegal OP parameter: $2]) + AC_WARNING([invalid OP parameter: $2]) ]) ]) diff --git a/m4/ax_cxx_compile_stdcxx.m4 b/m4/ax_cxx_compile_stdcxx.m4 index 2c18e49c5..5032bba80 100644 --- a/m4/ax_cxx_compile_stdcxx.m4 +++ b/m4/ax_cxx_compile_stdcxx.m4 @@ -1,5 +1,5 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_cxx_compile_stdcxx.html +# https://www.gnu.org/software/autoconf-archive/ax_cxx_compile_stdcxx.html # =========================================================================== # # SYNOPSIS @@ -33,21 +33,23 @@ # Copyright (c) 2014, 2015 Google Inc.; contributed by Alexey Sokolov # Copyright (c) 2015 Paul Norman # Copyright (c) 2015 Moritz Klammler +# Copyright (c) 2016 Krzesimir Nowak # # 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 4 +#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], [], - [$1], [14], [], - [$1], [17], [m4_fatal([support for C++17 not yet implemented in AX_CXX_COMPILE_STDCXX])], + 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], [], @@ -70,7 +72,8 @@ AC_DEFUN([AX_CXX_COMPILE_STDCXX], [dnl m4_if([$2], [noext], [], [dnl if test x$ac_success = xno; then - for switch in -std=gnu++$1 -std=gnu++0x; do + 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, @@ -96,22 +99,27 @@ AC_DEFUN([AX_CXX_COMPILE_STDCXX], [dnl 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 switch in -std=c++$1 -std=c++0x +std=c++$1 "-h std=c++$1"; 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" + 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 $switch" + fi + ac_success=yes + break fi - ac_success=yes + done + if test x$ac_success = xyes; then break fi done @@ -131,6 +139,7 @@ AC_DEFUN([AX_CXX_COMPILE_STDCXX], [dnl [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])]) ]) @@ -148,6 +157,11 @@ m4_define([_AX_CXX_COMPILE_STDCXX_testbody_14], _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 @@ -518,7 +532,7 @@ namespace cxx14 } - namespace test_digit_seperators + namespace test_digit_separators { constexpr auto ten_million = 100'000'000; @@ -560,3 +574,409 @@ 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 +#include +#include + +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 + int multiply(Args... args) + { + return (args * ... * 1); + } + + template + 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, decltype(foo)>::value); + static_assert(std::is_same::value); + } + + namespace test_typename_in_template_template_parameter + { + + template 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 + 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 + 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 + 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 pr = { 1, 2 }; + + auto f1() -> int(&)[2] + { + return arr; + } + + auto f2() -> std::pair& + { + 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 + Bad + f(T*, T*); + + template + Good + f(T1*, T2*); + + static_assert (std::is_same_v); + + } +#endif // !defined(REALLY_CLANG) + + namespace test_inline_variables + { + + template void f(T) + {} + + template 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/m4/ax_cxx_compile_stdcxx_14.m4 b/m4/ax_cxx_compile_stdcxx_14.m4 index 51123f2d5..094db0d02 100644 --- a/m4/ax_cxx_compile_stdcxx_14.m4 +++ b/m4/ax_cxx_compile_stdcxx_14.m4 @@ -1,6 +1,6 @@ -# ============================================================================ -# http://www.gnu.org/software/autoconf-archive/ax_cxx_compile_stdcxx_14.html -# ============================================================================ +# ============================================================================= +# https://www.gnu.org/software/autoconf-archive/ax_cxx_compile_stdcxx_14.html +# ============================================================================= # # SYNOPSIS # @@ -28,7 +28,7 @@ # and this notice are preserved. This file is offered as-is, without any # warranty. -#serial 4 +#serial 5 AX_REQUIRE_DEFINED([AX_CXX_COMPILE_STDCXX]) AC_DEFUN([AX_CXX_COMPILE_STDCXX_14], [AX_CXX_COMPILE_STDCXX([14], [$1], [$2])]) diff --git a/m4/ax_lapack.m4 b/m4/ax_lapack.m4 index 6aa16aaff..e7eadd17b 100644 --- a/m4/ax_lapack.m4 +++ b/m4/ax_lapack.m4 @@ -1,5 +1,5 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_lapack.html +# https://www.gnu.org/software/autoconf-archive/ax_lapack.html # =========================================================================== # # SYNOPSIS @@ -49,7 +49,7 @@ # Public License for more details. # # You should have received a copy of the GNU General Public License along -# with this program. If not, see . +# with this program. If not, see . # # As a special exception, the respective Autoconf Macro's copyright owner # gives unlimited permission to copy, distribute and modify the configure @@ -64,7 +64,7 @@ # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. -#serial 7 +#serial 8 AU_ALIAS([ACX_LAPACK], [AX_LAPACK]) AC_DEFUN([AX_LAPACK], [