mirror of
https://github.com/cookiengineer/audacity
synced 2025-06-16 08:09:32 +02:00
Get Nyquist Workbench building again
This commit is contained in:
yam
parent
54ee80b798
commit
967275528b
@ -1,7 +1,7 @@
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# Makefile.in generated by automake 1.14.1 from Makefile.am.
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# Makefile.in generated by automake 1.15 from Makefile.am.
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# @configure_input@
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# Copyright (C) 1994-2013 Free Software Foundation, Inc.
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# Copyright (C) 1994-2014 Free Software Foundation, Inc.
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# This Makefile.in is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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@ -15,7 +15,17 @@
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@SET_MAKE@
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am__make_running_with_option = \
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@ -79,25 +89,15 @@ POST_UNINSTALL = :
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build_triplet = @build@
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host_triplet = @host@
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subdir = .
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autotools/compile autotools/config.guess autotools/config.sub \
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autotools/depcomp autotools/install-sh autotools/missing \
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autotools/ltmain.sh $(top_srcdir)/autotools/ar-lib \
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$(top_srcdir)/autotools/compile \
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$(top_srcdir)/autotools/config.guess \
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$(top_srcdir)/autotools/config.sub \
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$(top_srcdir)/autotools/install-sh \
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$(top_srcdir)/autotools/ltmain.sh \
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$(top_srcdir)/autotools/missing
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ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
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am__aclocal_m4_deps = $(top_srcdir)/m4/libtool.m4 \
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$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
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$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
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$(top_srcdir)/configure.ac
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am__aclocal_m4_deps = $(top_srcdir)/m4/ax_cxx_compile_stdcxx.m4 \
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$(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \
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$(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \
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$(top_srcdir)/m4/lt~obsolete.m4 $(top_srcdir)/configure.ac
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am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
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$(ACLOCAL_M4)
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DIST_COMMON = $(srcdir)/Makefile.am $(top_srcdir)/configure \
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$(am__configure_deps) $(am__DIST_COMMON)
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am__CONFIG_DISTCLEAN_FILES = config.status config.cache config.log \
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configure.lineno config.status.lineno
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mkinstalldirs = $(install_sh) -d
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@ -224,6 +224,17 @@ ETAGS = etags
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CTAGS = ctags
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CSCOPE = cscope
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AM_RECURSIVE_TARGETS = cscope
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am__DIST_COMMON = $(srcdir)/Makefile.in $(top_srcdir)/autotools/ar-lib \
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$(top_srcdir)/autotools/compile \
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$(top_srcdir)/autotools/config.guess \
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$(top_srcdir)/autotools/config.sub \
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$(top_srcdir)/autotools/depcomp \
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$(top_srcdir)/autotools/install-sh \
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$(top_srcdir)/autotools/ltmain.sh \
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$(top_srcdir)/autotools/missing autotools/ar-lib \
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autotools/compile autotools/config.guess autotools/config.sub \
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autotools/depcomp autotools/install-sh autotools/ltmain.sh \
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autotools/missing
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DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
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distdir = $(PACKAGE)-$(VERSION)
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top_distdir = $(distdir)
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@ -271,6 +282,7 @@ EGREP = @EGREP@
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EXEEXT = @EXEEXT@
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FGREP = @FGREP@
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GREP = @GREP@
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HAVE_CXX11 = @HAVE_CXX11@
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INSTALL = @INSTALL@
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INSTALL_DATA = @INSTALL_DATA@
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INSTALL_PROGRAM = @INSTALL_PROGRAM@
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@ -391,7 +403,6 @@ $(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(am__confi
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echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign Makefile'; \
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$(am__cd) $(top_srcdir) && \
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$(AUTOMAKE) --foreign Makefile
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.PRECIOUS: Makefile
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Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
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@case '$?' in \
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*config.status*) \
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@ -611,15 +622,15 @@ dist-xz: distdir
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$(am__post_remove_distdir)
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dist-tarZ: distdir
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@echo WARNING: "Support for shar distribution archives is" \
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"deprecated." >&2
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@echo WARNING: "Support for distribution archives compressed with" \
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"legacy program 'compress' is deprecated." >&2
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@echo WARNING: "It will be removed altogether in Automake 2.0" >&2
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tardir=$(distdir) && $(am__tar) | compress -c >$(distdir).tar.Z
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$(am__post_remove_distdir)
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dist-shar: distdir
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@echo WARNING: "Support for distribution archives compressed with" \
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"legacy program 'compress' is deprecated." >&2
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@echo WARNING: "Support for shar distribution archives is" \
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"deprecated." >&2
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@echo WARNING: "It will be removed altogether in Automake 2.0" >&2
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shar $(distdir) | GZIP=$(GZIP_ENV) gzip -c >$(distdir).shar.gz
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$(am__post_remove_distdir)
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@ -655,17 +666,17 @@ distcheck: dist
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esac
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chmod -R a-w $(distdir)
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chmod u+w $(distdir)
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mkdir $(distdir)/_build $(distdir)/_inst
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mkdir $(distdir)/_build $(distdir)/_build/sub $(distdir)/_inst
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chmod a-w $(distdir)
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test -d $(distdir)/_build || exit 0; \
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dc_install_base=`$(am__cd) $(distdir)/_inst && pwd | sed -e 's,^[^:\\/]:[\\/],/,'` \
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&& dc_destdir="$${TMPDIR-/tmp}/am-dc-$$$$/" \
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&& am__cwd=`pwd` \
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&& $(am__cd) $(distdir)/_build \
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&& ../configure \
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&& $(am__cd) $(distdir)/_build/sub \
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&& ../../configure \
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$(AM_DISTCHECK_CONFIGURE_FLAGS) \
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$(DISTCHECK_CONFIGURE_FLAGS) \
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--srcdir=.. --prefix="$$dc_install_base" \
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--srcdir=../.. --prefix="$$dc_install_base" \
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&& $(MAKE) $(AM_MAKEFLAGS) \
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&& $(MAKE) $(AM_MAKEFLAGS) dvi \
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&& $(MAKE) $(AM_MAKEFLAGS) check \
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@ -849,6 +860,8 @@ uninstall-am: uninstall-pkglibLTLIBRARIES
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mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \
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uninstall-am uninstall-pkglibLTLIBRARIES
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.PRECIOUS: Makefile
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$(NULL)
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# Tell versions [3.59,3.63) of GNU make to not export all variables.
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2518
lib-src/mod-nyq-bench/configure
vendored
2518
lib-src/mod-nyq-bench/configure
vendored
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Load Diff
@ -6,6 +6,7 @@ AC_PREREQ([2.59])
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AC_INIT([mod-nyq-bench],[1.0],[feedback@audacityteam.org],[mod-nyq-bench])
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AC_CONFIG_AUX_DIR([autotools])
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AC_CONFIG_MACRO_DIR([m4])
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AX_CXX_COMPILE_STDCXX(11)
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AM_INIT_AUTOMAKE([1.11 dist-xz foreign no-dist-gzip subdir-objects -Wall])
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AM_MAINTAINER_MODE([disable])
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562
lib-src/mod-nyq-bench/m4/ax_cxx_compile_stdcxx.m4
Normal file
562
lib-src/mod-nyq-bench/m4/ax_cxx_compile_stdcxx.m4
Normal file
@ -0,0 +1,562 @@
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# ===========================================================================
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# http://www.gnu.org/software/autoconf-archive/ax_cxx_compile_stdcxx.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_CXX_COMPILE_STDCXX(VERSION, [ext|noext], [mandatory|optional])
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#
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# DESCRIPTION
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#
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# Check for baseline language coverage in the compiler for the specified
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# version of the C++ standard. If necessary, add switches to CXX and
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# CXXCPP to enable support. VERSION may be '11' (for the C++11 standard)
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# or '14' (for the C++14 standard).
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#
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# The second argument, if specified, indicates whether you insist on an
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# extended mode (e.g. -std=gnu++11) or a strict conformance mode (e.g.
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# -std=c++11). If neither is specified, you get whatever works, with
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# preference for an extended mode.
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#
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# The third argument, if specified 'mandatory' or if left unspecified,
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# indicates that baseline support for the specified C++ standard is
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# required and that the macro should error out if no mode with that
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# support is found. If specified 'optional', then configuration proceeds
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# regardless, after defining HAVE_CXX${VERSION} if and only if a
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# supporting mode is found.
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#
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# LICENSE
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#
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# Copyright (c) 2008 Benjamin Kosnik <bkoz@redhat.com>
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# Copyright (c) 2012 Zack Weinberg <zackw@panix.com>
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# Copyright (c) 2013 Roy Stogner <roystgnr@ices.utexas.edu>
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# Copyright (c) 2014, 2015 Google Inc.; contributed by Alexey Sokolov <sokolov@google.com>
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# Copyright (c) 2015 Paul Norman <penorman@mac.com>
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# Copyright (c) 2015 Moritz Klammler <moritz@klammler.eu>
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#
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# Copying and distribution of this file, with or without modification, are
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# permitted in any medium without royalty provided the copyright notice
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# and this notice are preserved. This file is offered as-is, without any
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# warranty.
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#serial 4
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dnl This macro is based on the code from the AX_CXX_COMPILE_STDCXX_11 macro
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dnl (serial version number 13).
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AC_DEFUN([AX_CXX_COMPILE_STDCXX], [dnl
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m4_if([$1], [11], [],
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[$1], [14], [],
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[$1], [17], [m4_fatal([support for C++17 not yet implemented in AX_CXX_COMPILE_STDCXX])],
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[m4_fatal([invalid first argument `$1' to AX_CXX_COMPILE_STDCXX])])dnl
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m4_if([$2], [], [],
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[$2], [ext], [],
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[$2], [noext], [],
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[m4_fatal([invalid second argument `$2' to AX_CXX_COMPILE_STDCXX])])dnl
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m4_if([$3], [], [ax_cxx_compile_cxx$1_required=true],
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[$3], [mandatory], [ax_cxx_compile_cxx$1_required=true],
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[$3], [optional], [ax_cxx_compile_cxx$1_required=false],
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[m4_fatal([invalid third argument `$3' to AX_CXX_COMPILE_STDCXX])])
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AC_LANG_PUSH([C++])dnl
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ac_success=no
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AC_CACHE_CHECK(whether $CXX supports C++$1 features by default,
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ax_cv_cxx_compile_cxx$1,
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[AC_COMPILE_IFELSE([AC_LANG_SOURCE([_AX_CXX_COMPILE_STDCXX_testbody_$1])],
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[ax_cv_cxx_compile_cxx$1=yes],
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[ax_cv_cxx_compile_cxx$1=no])])
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if test x$ax_cv_cxx_compile_cxx$1 = xyes; then
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ac_success=yes
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fi
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m4_if([$2], [noext], [], [dnl
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if test x$ac_success = xno; then
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for switch in -std=gnu++$1 -std=gnu++0x; do
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cachevar=AS_TR_SH([ax_cv_cxx_compile_cxx$1_$switch])
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AC_CACHE_CHECK(whether $CXX supports C++$1 features with $switch,
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$cachevar,
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[ac_save_CXX="$CXX"
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CXX="$CXX $switch"
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([_AX_CXX_COMPILE_STDCXX_testbody_$1])],
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[eval $cachevar=yes],
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[eval $cachevar=no])
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CXX="$ac_save_CXX"])
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if eval test x\$$cachevar = xyes; then
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CXX="$CXX $switch"
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if test -n "$CXXCPP" ; then
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CXXCPP="$CXXCPP $switch"
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fi
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ac_success=yes
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break
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fi
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done
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fi])
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m4_if([$2], [ext], [], [dnl
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if test x$ac_success = xno; then
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dnl HP's aCC needs +std=c++11 according to:
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dnl http://h21007.www2.hp.com/portal/download/files/unprot/aCxx/PDF_Release_Notes/769149-001.pdf
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dnl Cray's crayCC needs "-h std=c++11"
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for switch in -std=c++$1 -std=c++0x +std=c++$1 "-h std=c++$1"; do
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cachevar=AS_TR_SH([ax_cv_cxx_compile_cxx$1_$switch])
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AC_CACHE_CHECK(whether $CXX supports C++$1 features with $switch,
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$cachevar,
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[ac_save_CXX="$CXX"
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CXX="$CXX $switch"
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([_AX_CXX_COMPILE_STDCXX_testbody_$1])],
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[eval $cachevar=yes],
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[eval $cachevar=no])
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CXX="$ac_save_CXX"])
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if eval test x\$$cachevar = xyes; then
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CXX="$CXX $switch"
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if test -n "$CXXCPP" ; then
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CXXCPP="$CXXCPP $switch"
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fi
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ac_success=yes
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break
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fi
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done
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fi])
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AC_LANG_POP([C++])
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if test x$ax_cxx_compile_cxx$1_required = xtrue; then
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if test x$ac_success = xno; then
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AC_MSG_ERROR([*** A compiler with support for C++$1 language features is required.])
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fi
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fi
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if test x$ac_success = xno; then
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HAVE_CXX$1=0
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AC_MSG_NOTICE([No compiler with C++$1 support was found])
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else
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HAVE_CXX$1=1
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AC_DEFINE(HAVE_CXX$1,1,
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[define if the compiler supports basic C++$1 syntax])
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fi
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AC_SUBST(HAVE_CXX$1)
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])
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dnl Test body for checking C++11 support
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m4_define([_AX_CXX_COMPILE_STDCXX_testbody_11],
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_AX_CXX_COMPILE_STDCXX_testbody_new_in_11
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)
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dnl Test body for checking C++14 support
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m4_define([_AX_CXX_COMPILE_STDCXX_testbody_14],
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_AX_CXX_COMPILE_STDCXX_testbody_new_in_11
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_AX_CXX_COMPILE_STDCXX_testbody_new_in_14
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)
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dnl Tests for new features in C++11
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m4_define([_AX_CXX_COMPILE_STDCXX_testbody_new_in_11], [[
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// If the compiler admits that it is not ready for C++11, why torture it?
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// Hopefully, this will speed up the test.
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#ifndef __cplusplus
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#error "This is not a C++ compiler"
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#elif __cplusplus < 201103L
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#error "This is not a C++11 compiler"
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#else
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namespace cxx11
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{
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namespace test_static_assert
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{
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template <typename T>
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struct check
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{
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static_assert(sizeof(int) <= sizeof(T), "not big enough");
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};
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}
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namespace test_final_override
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{
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struct Base
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{
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virtual void f() {}
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};
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struct Derived : public Base
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{
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virtual void f() override {}
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};
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}
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namespace test_double_right_angle_brackets
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{
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template < typename T >
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struct check {};
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typedef check<void> single_type;
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typedef check<check<void>> double_type;
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typedef check<check<check<void>>> triple_type;
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typedef check<check<check<check<void>>>> quadruple_type;
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}
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namespace test_decltype
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{
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int
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f()
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{
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int a = 1;
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decltype(a) b = 2;
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return a + b;
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}
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}
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namespace test_type_deduction
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{
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template < typename T1, typename T2 >
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struct is_same
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{
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static const bool value = false;
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};
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template < typename T >
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struct is_same<T, T>
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{
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static const bool value = true;
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};
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template < typename T1, typename T2 >
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auto
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add(T1 a1, T2 a2) -> decltype(a1 + a2)
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{
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return a1 + a2;
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}
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int
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test(const int c, volatile int v)
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{
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static_assert(is_same<int, decltype(0)>::value == true, "");
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static_assert(is_same<int, decltype(c)>::value == false, "");
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static_assert(is_same<int, decltype(v)>::value == false, "");
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auto ac = c;
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auto av = v;
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auto sumi = ac + av + 'x';
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auto sumf = ac + av + 1.0;
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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_seperators
|
||||
{
|
||||
|
||||
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
|
||||
|
||||
]])
|
||||
Loading…
x
Reference in New Issue
Block a user