From 40395860c721165f0cc36dfd15b06bc1ea8590bc Mon Sep 17 00:00:00 2001 From: Vincent Ambo Date: Sun, 17 May 2020 16:43:21 +0100 Subject: chore(3p/nix): Remove old build system and other miscellanies There are still remnants of the old build system (for example, the build derivations are not yet updated at all), but we'll get there. --- third_party/nix/m4/ax_boost_base.m4 | 302 -------- third_party/nix/m4/ax_cxx_compile_stdcxx.m4 | 951 ------------------------- third_party/nix/m4/ax_cxx_compile_stdcxx_17.m4 | 35 - 3 files changed, 1288 deletions(-) delete mode 100644 third_party/nix/m4/ax_boost_base.m4 delete mode 100644 third_party/nix/m4/ax_cxx_compile_stdcxx.m4 delete mode 100644 third_party/nix/m4/ax_cxx_compile_stdcxx_17.m4 (limited to 'third_party/nix/m4') diff --git a/third_party/nix/m4/ax_boost_base.m4 b/third_party/nix/m4/ax_boost_base.m4 deleted file mode 100644 index 16fa69b41f5b..000000000000 --- a/third_party/nix/m4/ax_boost_base.m4 +++ /dev/null @@ -1,302 +0,0 @@ -# =========================================================================== -# https://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 47 - -# example boost program (need to pass version) -m4_define([_AX_BOOST_BASE_PROGRAM], - [AC_LANG_PROGRAM([[ -#include -]],[[ -(void) ((void)sizeof(char[1 - 2*!!((BOOST_VERSION) < ($1))])); -]])]) - -AC_DEFUN([AX_BOOST_BASE], -[ -AC_ARG_WITH([boost], - [AS_HELP_STRING([--with-boost@<:@=ARG@:>@], - [use Boost library from a standard location (ARG=yes), - from the specified location (ARG=), - or disable it (ARG=no) - @<:@ARG=yes@:>@ ])], - [ - AS_CASE([$withval], - [no],[want_boost="no";_AX_BOOST_BASE_boost_path=""], - [yes],[want_boost="yes";_AX_BOOST_BASE_boost_path=""], - [want_boost="yes";_AX_BOOST_BASE_boost_path="$withval"]) - ], - [want_boost="yes"]) - - -AC_ARG_WITH([boost-libdir], - [AS_HELP_STRING([--with-boost-libdir=LIB_DIR], - [Force given directory for boost libraries. - Note that this will override library path detection, - so use this parameter only if default library detection fails - and you know exactly where your boost libraries are located.])], - [ - AS_IF([test -d "$withval"], - [_AX_BOOST_BASE_boost_lib_path="$withval"], - [AC_MSG_ERROR([--with-boost-libdir expected directory name])]) - ], - [_AX_BOOST_BASE_boost_lib_path=""]) - -BOOST_LDFLAGS="" -BOOST_CPPFLAGS="" -AS_IF([test "x$want_boost" = "xyes"], - [_AX_BOOST_BASE_RUNDETECT([$1],[$2],[$3])]) -AC_SUBST(BOOST_CPPFLAGS) -AC_SUBST(BOOST_LDFLAGS) -]) - - -# convert a version string in $2 to numeric and affect to polymorphic var $1 -AC_DEFUN([_AX_BOOST_BASE_TONUMERICVERSION],[ - AS_IF([test "x$2" = "x"],[_AX_BOOST_BASE_TONUMERICVERSION_req="1.20.0"],[_AX_BOOST_BASE_TONUMERICVERSION_req="$2"]) - _AX_BOOST_BASE_TONUMERICVERSION_req_shorten=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '\([[0-9]]*\.[[0-9]]*\)'` - _AX_BOOST_BASE_TONUMERICVERSION_req_major=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '\([[0-9]]*\)'` - AS_IF([test "x$_AX_BOOST_BASE_TONUMERICVERSION_req_major" = "x"], - [AC_MSG_ERROR([You should at least specify libboost major version])]) - _AX_BOOST_BASE_TONUMERICVERSION_req_minor=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '[[0-9]]*\.\([[0-9]]*\)'` - AS_IF([test "x$_AX_BOOST_BASE_TONUMERICVERSION_req_minor" = "x"], - [_AX_BOOST_BASE_TONUMERICVERSION_req_minor="0"]) - _AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'` - AS_IF([test "X$_AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor" = "X"], - [_AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor="0"]) - _AX_BOOST_BASE_TONUMERICVERSION_RET=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req_major \* 100000 \+ $_AX_BOOST_BASE_TONUMERICVERSION_req_minor \* 100 \+ $_AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor` - AS_VAR_SET($1,$_AX_BOOST_BASE_TONUMERICVERSION_RET) -]) - -dnl Run the detection of boost should be run only if $want_boost -AC_DEFUN([_AX_BOOST_BASE_RUNDETECT],[ - _AX_BOOST_BASE_TONUMERICVERSION(WANT_BOOST_VERSION,[$1]) - succeeded=no - - - AC_REQUIRE([AC_CANONICAL_HOST]) - dnl On 64-bit systems check for system libraries in both lib64 and lib. - dnl The former is specified by FHS, but e.g. Debian does not adhere to - dnl this (as it rises problems for generic multi-arch support). - dnl The last entry in the list is chosen by default when no libraries - dnl are found, e.g. when only header-only libraries are installed! - AS_CASE([${host_cpu}], - [x86_64],[libsubdirs="lib64 libx32 lib lib64"], - [mips*64*],[libsubdirs="lib64 lib32 lib lib64"], - [ppc64|powerpc64|s390x|sparc64|aarch64|ppc64le|powerpc64le|riscv64],[libsubdirs="lib64 lib lib64"], - [libsubdirs="lib"] - ) - - dnl allow for real multi-arch paths e.g. /usr/lib/x86_64-linux-gnu. Give - dnl them priority over the other paths since, if libs are found there, they - dnl are almost assuredly the ones desired. - AS_CASE([${host_cpu}], - [i?86],[multiarch_libsubdir="lib/i386-${host_os}"], - [multiarch_libsubdir="lib/${host_cpu}-${host_os}"] - ) - - 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 - AS_IF([test "x$_AX_BOOST_BASE_boost_path" != "x"],[ - AC_MSG_CHECKING([for boostlib >= $1 ($WANT_BOOST_VERSION) includes in "$_AX_BOOST_BASE_boost_path/include"]) - AS_IF([test -d "$_AX_BOOST_BASE_boost_path/include" && test -r "$_AX_BOOST_BASE_boost_path/include"],[ - AC_MSG_RESULT([yes]) - BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path/include" - for _AX_BOOST_BASE_boost_path_tmp in $multiarch_libsubdir $libsubdirs; do - AC_MSG_CHECKING([for boostlib >= $1 ($WANT_BOOST_VERSION) lib path in "$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp"]) - AS_IF([test -d "$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp" && test -r "$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp" ],[ - AC_MSG_RESULT([yes]) - BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp"; - break; - ], - [AC_MSG_RESULT([no])]) - done],[ - AC_MSG_RESULT([no])]) - ],[ - if test X"$cross_compiling" = Xyes; then - search_libsubdirs=$multiarch_libsubdir - else - search_libsubdirs="$multiarch_libsubdir $libsubdirs" - fi - for _AX_BOOST_BASE_boost_path_tmp in /usr /usr/local /opt /opt/local ; do - if test -d "$_AX_BOOST_BASE_boost_path_tmp/include/boost" && test -r "$_AX_BOOST_BASE_boost_path_tmp/include/boost" ; then - for libsubdir in $search_libsubdirs ; do - if ls "$_AX_BOOST_BASE_boost_path_tmp/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi - done - BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_path_tmp/$libsubdir" - BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path_tmp/include" - break; - fi - done - ]) - - dnl overwrite ld flags if we have required special directory with - dnl --with-boost-libdir parameter - AS_IF([test "x$_AX_BOOST_BASE_boost_lib_path" != "x"], - [BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_lib_path"]) - - AC_MSG_CHECKING([for boostlib >= $1 ($WANT_BOOST_VERSION)]) - CPPFLAGS_SAVED="$CPPFLAGS" - CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS" - export CPPFLAGS - - LDFLAGS_SAVED="$LDFLAGS" - LDFLAGS="$LDFLAGS $BOOST_LDFLAGS" - export LDFLAGS - - AC_REQUIRE([AC_PROG_CXX]) - AC_LANG_PUSH(C++) - AC_COMPILE_IFELSE([_AX_BOOST_BASE_PROGRAM($WANT_BOOST_VERSION)],[ - 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$succeeded" != "xyes" ; then - CPPFLAGS="$CPPFLAGS_SAVED" - LDFLAGS="$LDFLAGS_SAVED" - BOOST_CPPFLAGS= - if test -z "$_AX_BOOST_BASE_boost_lib_path" ; then - BOOST_LDFLAGS= - fi - _version=0 - if test -n "$_AX_BOOST_BASE_boost_path" ; then - if test -d "$_AX_BOOST_BASE_boost_path" && test -r "$_AX_BOOST_BASE_boost_path"; then - for i in `ls -d $_AX_BOOST_BASE_boost_path/include/boost-* 2>/dev/null`; do - _version_tmp=`echo $i | sed "s#$_AX_BOOST_BASE_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'` - V_CHECK=`expr $_version_tmp \> $_version` - if test "x$V_CHECK" = "x1" ; then - _version=$_version_tmp - fi - VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'` - BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path/include/boost-$VERSION_UNDERSCORE" - done - dnl if nothing found search for layout used in Windows distributions - if test -z "$BOOST_CPPFLAGS"; then - if test -d "$_AX_BOOST_BASE_boost_path/boost" && test -r "$_AX_BOOST_BASE_boost_path/boost"; then - BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path" - fi - fi - dnl if we found something and BOOST_LDFLAGS was unset before - dnl (because "$_AX_BOOST_BASE_boost_lib_path" = ""), set it here. - if test -n "$BOOST_CPPFLAGS" && test -z "$BOOST_LDFLAGS"; then - for libsubdir in $libsubdirs ; do - if ls "$_AX_BOOST_BASE_boost_path/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi - done - BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_path/$libsubdir" - fi - fi - else - if test "x$cross_compiling" != "xyes" ; then - for _AX_BOOST_BASE_boost_path in /usr /usr/local /opt /opt/local ; do - if test -d "$_AX_BOOST_BASE_boost_path" && test -r "$_AX_BOOST_BASE_boost_path" ; then - for i in `ls -d $_AX_BOOST_BASE_boost_path/include/boost-* 2>/dev/null`; do - _version_tmp=`echo $i | sed "s#$_AX_BOOST_BASE_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'` - V_CHECK=`expr $_version_tmp \> $_version` - if test "x$V_CHECK" = "x1" ; then - _version=$_version_tmp - best_path=$_AX_BOOST_BASE_boost_path - fi - done - fi - done - - VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'` - BOOST_CPPFLAGS="-I$best_path/include/boost-$VERSION_UNDERSCORE" - if test -z "$_AX_BOOST_BASE_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/$libsubdir" - fi - fi - - if test -n "$BOOST_ROOT" ; 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 \>\= $_version` - if test "x$V_CHECK" = "x1" && test -z "$_AX_BOOST_BASE_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 $BOOST_LDFLAGS" - export LDFLAGS - - AC_LANG_PUSH(C++) - AC_COMPILE_IFELSE([_AX_BOOST_BASE_PROGRAM($WANT_BOOST_VERSION)],[ - AC_MSG_RESULT(yes) - succeeded=yes - found_system=yes - ],[ - ]) - AC_LANG_POP([C++]) - fi - - if test "x$succeeded" != "xyes" ; then - if test "x$_version" = "x0" ; then - AC_MSG_NOTICE([[We could not detect the boost libraries (version $1 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_DEFINE(HAVE_BOOST,,[define if the Boost library is available]) - # execute ACTION-IF-FOUND (if present): - ifelse([$2], , :, [$2]) - fi - - CPPFLAGS="$CPPFLAGS_SAVED" - LDFLAGS="$LDFLAGS_SAVED" - -]) diff --git a/third_party/nix/m4/ax_cxx_compile_stdcxx.m4 b/third_party/nix/m4/ax_cxx_compile_stdcxx.m4 deleted file mode 100644 index 43087b2e6889..000000000000 --- a/third_party/nix/m4/ax_cxx_compile_stdcxx.m4 +++ /dev/null @@ -1,951 +0,0 @@ -# =========================================================================== -# https://www.gnu.org/software/autoconf-archive/ax_cxx_compile_stdcxx.html -# =========================================================================== -# -# SYNOPSIS -# -# AX_CXX_COMPILE_STDCXX(VERSION, [ext|noext], [mandatory|optional]) -# -# DESCRIPTION -# -# Check for baseline language coverage in the compiler for the specified -# version of the C++ standard. If necessary, add switches to CXX and -# CXXCPP to enable support. VERSION may be '11' (for the C++11 standard) -# or '14' (for the C++14 standard). -# -# The second argument, if specified, indicates whether you insist on an -# extended mode (e.g. -std=gnu++11) or a strict conformance mode (e.g. -# -std=c++11). If neither is specified, you get whatever works, with -# preference for an extended mode. -# -# The third argument, if specified 'mandatory' or if left unspecified, -# indicates that baseline support for the specified C++ standard is -# required and that the macro should error out if no mode with that -# support is found. If specified 'optional', then configuration proceeds -# regardless, after defining HAVE_CXX${VERSION} if and only if a -# supporting mode is found. -# -# LICENSE -# -# Copyright (c) 2008 Benjamin Kosnik -# Copyright (c) 2012 Zack Weinberg -# Copyright (c) 2013 Roy Stogner -# Copyright (c) 2014, 2015 Google Inc.; contributed by Alexey Sokolov -# Copyright (c) 2015 Paul Norman -# Copyright (c) 2015 Moritz Klammler -# Copyright (c) 2016, 2018 Krzesimir Nowak -# Copyright (c) 2019 Enji Cooper -# -# 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 11 - -dnl This macro is based on the code from the AX_CXX_COMPILE_STDCXX_11 macro -dnl (serial version number 13). - -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 - - 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) -]) - - -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 - struct check - { - static_assert(sizeof(int) <= sizeof(T), "not big enough"); - }; - - } - - namespace test_final_override - { - - struct Base - { - virtual ~Base() {} - virtual void f() {} - }; - - struct Derived : public Base - { - virtual ~Derived() override {} - virtual void f() override {} - }; - - } - - namespace test_double_right_angle_brackets - { - - template < typename T > - struct check {}; - - typedef check single_type; - typedef check> double_type; - typedef check>> triple_type; - typedef check>>> 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 - { - 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::value == true, ""); - static_assert(is_same::value == false, ""); - static_assert(is_same::value == false, ""); - auto ac = c; - auto av = v; - auto sumi = ac + av + 'x'; - auto sumf = ac + av + 1.0; - static_assert(is_same::value == true, ""); - static_assert(is_same::value == true, ""); - static_assert(is_same::value == true, ""); - static_assert(is_same::value == false, ""); - static_assert(is_same::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 - struct sum; - - template - struct sum - { - static constexpr auto value = N0 + sum::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 - using member = typename T::member_type; - - template - void func(...) {} - - template - void func(member*) {} - - void test(); - - void test() { func(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 - { - static constexpr auto value = true; - }; - - int - test() - { - auto x = 0; - static_assert(is_same::value, ""); - static_assert(is_same::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 < 201703L - -#error "This is not a C++17 compiler" - -#else - -#include -#include -#include - -namespace cxx17 -{ - - namespace test_constexpr_lambdas - { - - constexpr int foo = [](){return 42;}(); - - } - - 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; - } - } - - } - - namespace test_template_argument_deduction_for_class_templates - { - - 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}; - } - - } - - namespace test_non_type_auto_template_parameters - { - - template - struct B - {}; - - B<5> b1; - B<'a'> b2; - - } - - namespace test_structured_bindings - { - - 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(); - - } - - namespace test_exception_spec_type_system - { - - 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); - - } - - 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 < 201703L - -]]) diff --git a/third_party/nix/m4/ax_cxx_compile_stdcxx_17.m4 b/third_party/nix/m4/ax_cxx_compile_stdcxx_17.m4 deleted file mode 100644 index a6834171739b..000000000000 --- a/third_party/nix/m4/ax_cxx_compile_stdcxx_17.m4 +++ /dev/null @@ -1,35 +0,0 @@ -# ============================================================================= -# https://www.gnu.org/software/autoconf-archive/ax_cxx_compile_stdcxx_17.html -# ============================================================================= -# -# SYNOPSIS -# -# AX_CXX_COMPILE_STDCXX_17([ext|noext], [mandatory|optional]) -# -# DESCRIPTION -# -# Check for baseline language coverage in the compiler for the C++17 -# standard; if necessary, add switches to CXX and CXXCPP to enable -# support. -# -# This macro is a convenience alias for calling the AX_CXX_COMPILE_STDCXX -# macro with the version set to C++17. The two optional arguments are -# forwarded literally as the second and third argument respectively. -# Please see the documentation for the AX_CXX_COMPILE_STDCXX macro for -# more information. If you want to use this macro, you also need to -# download the ax_cxx_compile_stdcxx.m4 file. -# -# LICENSE -# -# 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 2 - -AX_REQUIRE_DEFINED([AX_CXX_COMPILE_STDCXX]) -AC_DEFUN([AX_CXX_COMPILE_STDCXX_17], [AX_CXX_COMPILE_STDCXX([17], [$1], [$2])]) -- cgit 1.4.1