From 9968824d57b807a78829507b86d1d458dec1a697 Mon Sep 17 00:00:00 2001 From: Karl Berry Date: Fri, 20 Jan 2023 01:58:48 +0000 Subject: we need dvisvgm-src/m4/ax* (but not l*) git-svn-id: svn://tug.org/texlive/trunk@65594 c570f23f-e606-0410-a88d-b1316a301751 --- Build/source/texk/dvisvgm/TLpatches/TL-Changes | 3 +- .../dvisvgm/dvisvgm-src/m4/ax_ac_append_to_file.m4 | 32 + .../dvisvgm/dvisvgm-src/m4/ax_ac_print_to_file.m4 | 32 + .../dvisvgm-src/m4/ax_add_am_macro_static.m4 | 28 + .../dvisvgm/dvisvgm-src/m4/ax_am_macros_static.m4 | 38 + .../dvisvgm-src/m4/ax_check_compile_flag.m4 | 53 + .../dvisvgm/dvisvgm-src/m4/ax_code_coverage.m4 | 272 ++++++ .../dvisvgm-src/m4/ax_cxx_compile_stdcxx.m4 | 1009 ++++++++++++++++++++ .../texk/dvisvgm/dvisvgm-src/m4/ax_file_escapes.m4 | 30 + .../texk/dvisvgm/dvisvgm-src/m4/ax_gcc_builtin.m4 | 170 ++++ 10 files changed, 1666 insertions(+), 1 deletion(-) create mode 100644 Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_ac_append_to_file.m4 create mode 100644 Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_ac_print_to_file.m4 create mode 100644 Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_add_am_macro_static.m4 create mode 100644 Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_am_macros_static.m4 create mode 100644 Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_check_compile_flag.m4 create mode 100644 Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_code_coverage.m4 create mode 100644 Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_cxx_compile_stdcxx.m4 create mode 100644 Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_file_escapes.m4 create mode 100644 Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_gcc_builtin.m4 (limited to 'Build/source') diff --git a/Build/source/texk/dvisvgm/TLpatches/TL-Changes b/Build/source/texk/dvisvgm/TLpatches/TL-Changes index 2013dee9c92..415d9d2abd6 100644 --- a/Build/source/texk/dvisvgm/TLpatches/TL-Changes +++ b/Build/source/texk/dvisvgm/TLpatches/TL-Changes @@ -15,8 +15,9 @@ tar xf dvisvgm-VER.tar.gz # again, so we can compare orig release to ours # remove common and generated files: cd dvisvgm-src rm ar-lib compile config.guess config.sub depcomp install-sh +rm -rf autom4te.cache rm ltmain.sh missing test-driver -rm -rf m4 autom4te.cache +rm -f m4/l* # keep other m4 files rm -f aclocal.m4 configure # reduce chance of confusion? # # files to add: diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_ac_append_to_file.m4 b/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_ac_append_to_file.m4 new file mode 100644 index 00000000000..242b3d52006 --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_ac_append_to_file.m4 @@ -0,0 +1,32 @@ +# =========================================================================== +# https://www.gnu.org/software/autoconf-archive/ax_ac_append_to_file.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_AC_APPEND_TO_FILE([FILE],[DATA]) +# +# DESCRIPTION +# +# Appends the specified data to the specified Autoconf is run. If you want +# to append to a file when configure is run use AX_APPEND_TO_FILE instead. +# +# LICENSE +# +# Copyright (c) 2009 Allan Caffee +# +# 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 10 + +AC_DEFUN([AX_AC_APPEND_TO_FILE],[ +AC_REQUIRE([AX_FILE_ESCAPES]) +m4_esyscmd( +AX_FILE_ESCAPES +[ +printf "%s" "$2" >> "$1" +]) +]) diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_ac_print_to_file.m4 b/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_ac_print_to_file.m4 new file mode 100644 index 00000000000..642dfc15113 --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_ac_print_to_file.m4 @@ -0,0 +1,32 @@ +# =========================================================================== +# https://www.gnu.org/software/autoconf-archive/ax_ac_print_to_file.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_AC_PRINT_TO_FILE([FILE],[DATA]) +# +# DESCRIPTION +# +# Writes the specified data to the specified file when Autoconf is run. If +# you want to print to a file when configure is run use AX_PRINT_TO_FILE +# instead. +# +# LICENSE +# +# Copyright (c) 2009 Allan Caffee +# +# 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 10 + +AC_DEFUN([AX_AC_PRINT_TO_FILE],[ +m4_esyscmd( +AC_REQUIRE([AX_FILE_ESCAPES]) +[ +printf "%s" "$2" > "$1" +]) +]) diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_add_am_macro_static.m4 b/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_add_am_macro_static.m4 new file mode 100644 index 00000000000..6442d24b7c5 --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_add_am_macro_static.m4 @@ -0,0 +1,28 @@ +# =========================================================================== +# https://www.gnu.org/software/autoconf-archive/ax_add_am_macro_static.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_ADD_AM_MACRO_STATIC([RULE]) +# +# DESCRIPTION +# +# Adds the specified rule to $AMINCLUDE. +# +# LICENSE +# +# Copyright (c) 2009 Tom Howard +# Copyright (c) 2009 Allan Caffee +# +# 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 8 + +AC_DEFUN([AX_ADD_AM_MACRO_STATIC],[ + AC_REQUIRE([AX_AM_MACROS_STATIC]) + AX_AC_APPEND_TO_FILE(AMINCLUDE_STATIC,[$1]) +]) diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_am_macros_static.m4 b/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_am_macros_static.m4 new file mode 100644 index 00000000000..f4cee8c8908 --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_am_macros_static.m4 @@ -0,0 +1,38 @@ +# =========================================================================== +# https://www.gnu.org/software/autoconf-archive/ax_am_macros_static.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_AM_MACROS_STATIC +# +# DESCRIPTION +# +# Adds support for macros that create Automake rules. You must manually +# add the following line +# +# include $(top_srcdir)/aminclude_static.am +# +# to your Makefile.am files. +# +# LICENSE +# +# Copyright (c) 2009 Tom Howard +# Copyright (c) 2009 Allan Caffee +# +# 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 + +AC_DEFUN([AMINCLUDE_STATIC],[aminclude_static.am]) + +AC_DEFUN([AX_AM_MACROS_STATIC], +[ +AX_AC_PRINT_TO_FILE(AMINCLUDE_STATIC,[ +# ]AMINCLUDE_STATIC[ generated automatically by Autoconf +# from AX_AM_MACROS_STATIC on ]m4_esyscmd([LC_ALL=C date])[ +]) +]) diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_check_compile_flag.m4 b/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_check_compile_flag.m4 new file mode 100644 index 00000000000..bd753b34d7d --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_check_compile_flag.m4 @@ -0,0 +1,53 @@ +# =========================================================================== +# https://www.gnu.org/software/autoconf-archive/ax_check_compile_flag.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_CHECK_COMPILE_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS], [INPUT]) +# +# DESCRIPTION +# +# Check whether the given FLAG works with the current language's compiler +# or gives an error. (Warnings, however, are ignored) +# +# ACTION-SUCCESS/ACTION-FAILURE are shell commands to execute on +# success/failure. +# +# If EXTRA-FLAGS is defined, it is added to the current language's default +# flags (e.g. CFLAGS) when the check is done. The check is thus made with +# the flags: "CFLAGS EXTRA-FLAGS FLAG". This can for example be used to +# force the compiler to issue an error when a bad flag is given. +# +# INPUT gives an alternative input source to AC_COMPILE_IFELSE. +# +# NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this +# macro in sync with AX_CHECK_{PREPROC,LINK}_FLAG. +# +# LICENSE +# +# Copyright (c) 2008 Guido U. Draheim +# Copyright (c) 2011 Maarten Bosmans +# +# 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 6 + +AC_DEFUN([AX_CHECK_COMPILE_FLAG], +[AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF +AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl +AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [ + ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS + _AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1" + AC_COMPILE_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])], + [AS_VAR_SET(CACHEVAR,[yes])], + [AS_VAR_SET(CACHEVAR,[no])]) + _AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags]) +AS_VAR_IF(CACHEVAR,yes, + [m4_default([$2], :)], + [m4_default([$3], :)]) +AS_VAR_POPDEF([CACHEVAR])dnl +])dnl AX_CHECK_COMPILE_FLAGS diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_code_coverage.m4 b/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_code_coverage.m4 new file mode 100644 index 00000000000..352165b42c1 --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_code_coverage.m4 @@ -0,0 +1,272 @@ +# =========================================================================== +# https://www.gnu.org/software/autoconf-archive/ax_code_coverage.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_CODE_COVERAGE() +# +# DESCRIPTION +# +# Defines CODE_COVERAGE_CPPFLAGS, CODE_COVERAGE_CFLAGS, +# CODE_COVERAGE_CXXFLAGS and CODE_COVERAGE_LIBS which should be included +# in the CPPFLAGS, CFLAGS CXXFLAGS and LIBS/LIBADD variables of every +# build target (program or library) which should be built with code +# coverage support. Also add rules using AX_ADD_AM_MACRO_STATIC; and +# $enable_code_coverage which can be used in subsequent configure output. +# CODE_COVERAGE_ENABLED is defined and substituted, and corresponds to the +# value of the --enable-code-coverage option, which defaults to being +# disabled. +# +# Test also for gcov program and create GCOV variable that could be +# substituted. +# +# Note that all optimization flags in CFLAGS must be disabled when code +# coverage is enabled. +# +# Usage example: +# +# configure.ac: +# +# AX_CODE_COVERAGE +# +# Makefile.am: +# +# include $(top_srcdir)/aminclude_static.am +# +# my_program_LIBS = ... $(CODE_COVERAGE_LIBS) ... +# my_program_CPPFLAGS = ... $(CODE_COVERAGE_CPPFLAGS) ... +# my_program_CFLAGS = ... $(CODE_COVERAGE_CFLAGS) ... +# my_program_CXXFLAGS = ... $(CODE_COVERAGE_CXXFLAGS) ... +# +# clean-local: code-coverage-clean +# distclean-local: code-coverage-dist-clean +# +# This results in a "check-code-coverage" rule being added to any +# Makefile.am which do "include $(top_srcdir)/aminclude_static.am" +# (assuming the module has been configured with --enable-code-coverage). +# Running `make check-code-coverage` in that directory will run the +# module's test suite (`make check`) and build a code coverage report +# detailing the code which was touched, then print the URI for the report. +# +# This code was derived from Makefile.decl in GLib, originally licensed +# under LGPLv2.1+. +# +# LICENSE +# +# Copyright (c) 2012, 2016 Philip Withnall +# Copyright (c) 2012 Xan Lopez +# Copyright (c) 2012 Christian Persch +# Copyright (c) 2012 Paolo Borelli +# Copyright (c) 2012 Dan Winship +# Copyright (c) 2015,2018 Bastien ROUCARIES +# +# This library is free software; you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or (at +# your option) any later version. +# +# This library is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser +# General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with this program. If not, see . + +#serial 34 + +m4_define(_AX_CODE_COVERAGE_RULES,[ +AX_ADD_AM_MACRO_STATIC([ +# Code coverage +# +# Optional: +# - CODE_COVERAGE_DIRECTORY: Top-level directory for code coverage reporting. +# Multiple directories may be specified, separated by whitespace. +# (Default: \$(top_builddir)) +# - CODE_COVERAGE_OUTPUT_FILE: Filename and path for the .info file generated +# by lcov for code coverage. (Default: +# \$(PACKAGE_NAME)-\$(PACKAGE_VERSION)-coverage.info) +# - CODE_COVERAGE_OUTPUT_DIRECTORY: Directory for generated code coverage +# reports to be created. (Default: +# \$(PACKAGE_NAME)-\$(PACKAGE_VERSION)-coverage) +# - CODE_COVERAGE_BRANCH_COVERAGE: Set to 1 to enforce branch coverage, +# set to 0 to disable it and leave empty to stay with the default. +# (Default: empty) +# - CODE_COVERAGE_LCOV_SHOPTS_DEFAULT: Extra options shared between both lcov +# instances. (Default: based on $CODE_COVERAGE_BRANCH_COVERAGE) +# - CODE_COVERAGE_LCOV_SHOPTS: Extra options to shared between both lcov +# instances. (Default: $CODE_COVERAGE_LCOV_SHOPTS_DEFAULT) +# - CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH: --gcov-tool pathtogcov +# - CODE_COVERAGE_LCOV_OPTIONS_DEFAULT: Extra options to pass to the +# collecting lcov instance. (Default: $CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH) +# - CODE_COVERAGE_LCOV_OPTIONS: Extra options to pass to the collecting lcov +# instance. (Default: $CODE_COVERAGE_LCOV_OPTIONS_DEFAULT) +# - CODE_COVERAGE_LCOV_RMOPTS_DEFAULT: Extra options to pass to the filtering +# lcov instance. (Default: empty) +# - CODE_COVERAGE_LCOV_RMOPTS: Extra options to pass to the filtering lcov +# instance. (Default: $CODE_COVERAGE_LCOV_RMOPTS_DEFAULT) +# - CODE_COVERAGE_GENHTML_OPTIONS_DEFAULT: Extra options to pass to the +# genhtml instance. (Default: based on $CODE_COVERAGE_BRANCH_COVERAGE) +# - CODE_COVERAGE_GENHTML_OPTIONS: Extra options to pass to the genhtml +# instance. (Default: $CODE_COVERAGE_GENHTML_OPTIONS_DEFAULT) +# - CODE_COVERAGE_IGNORE_PATTERN: Extra glob pattern of files to ignore +# +# The generated report will be titled using the \$(PACKAGE_NAME) and +# \$(PACKAGE_VERSION). In order to add the current git hash to the title, +# use the git-version-gen script, available online. +# Optional variables +# run only on top dir +if CODE_COVERAGE_ENABLED + ifeq (\$(abs_builddir), \$(abs_top_builddir)) +CODE_COVERAGE_DIRECTORY ?= \$(top_builddir) +CODE_COVERAGE_OUTPUT_FILE ?= \$(PACKAGE_NAME)-\$(PACKAGE_VERSION)-coverage.info +CODE_COVERAGE_OUTPUT_DIRECTORY ?= \$(PACKAGE_NAME)-\$(PACKAGE_VERSION)-coverage + +CODE_COVERAGE_BRANCH_COVERAGE ?= +CODE_COVERAGE_LCOV_SHOPTS_DEFAULT ?= \$(if \$(CODE_COVERAGE_BRANCH_COVERAGE),\ +--rc lcov_branch_coverage=\$(CODE_COVERAGE_BRANCH_COVERAGE)) +CODE_COVERAGE_LCOV_SHOPTS ?= \$(CODE_COVERAGE_LCOV_SHOPTS_DEFAULT) +CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH ?= --gcov-tool \"\$(GCOV)\" +CODE_COVERAGE_LCOV_OPTIONS_DEFAULT ?= \$(CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH) +CODE_COVERAGE_LCOV_OPTIONS ?= \$(CODE_COVERAGE_LCOV_OPTIONS_DEFAULT) +CODE_COVERAGE_LCOV_RMOPTS_DEFAULT ?= +CODE_COVERAGE_LCOV_RMOPTS ?= \$(CODE_COVERAGE_LCOV_RMOPTS_DEFAULT) +CODE_COVERAGE_GENHTML_OPTIONS_DEFAULT ?=\ +\$(if \$(CODE_COVERAGE_BRANCH_COVERAGE),\ +--rc genhtml_branch_coverage=\$(CODE_COVERAGE_BRANCH_COVERAGE)) +CODE_COVERAGE_GENHTML_OPTIONS ?= \$(CODE_COVERAGE_GENHTML_OPTIONS_DEFAULT) +CODE_COVERAGE_IGNORE_PATTERN ?= + +GITIGNOREFILES := \$(GITIGNOREFILES) \$(CODE_COVERAGE_OUTPUT_FILE) \$(CODE_COVERAGE_OUTPUT_DIRECTORY) +code_coverage_v_lcov_cap = \$(code_coverage_v_lcov_cap_\$(V)) +code_coverage_v_lcov_cap_ = \$(code_coverage_v_lcov_cap_\$(AM_DEFAULT_VERBOSITY)) +code_coverage_v_lcov_cap_0 = @echo \" LCOV --capture\" \$(CODE_COVERAGE_OUTPUT_FILE); +code_coverage_v_lcov_ign = \$(code_coverage_v_lcov_ign_\$(V)) +code_coverage_v_lcov_ign_ = \$(code_coverage_v_lcov_ign_\$(AM_DEFAULT_VERBOSITY)) +code_coverage_v_lcov_ign_0 = @echo \" LCOV --remove /tmp/*\" \$(CODE_COVERAGE_IGNORE_PATTERN); +code_coverage_v_genhtml = \$(code_coverage_v_genhtml_\$(V)) +code_coverage_v_genhtml_ = \$(code_coverage_v_genhtml_\$(AM_DEFAULT_VERBOSITY)) +code_coverage_v_genhtml_0 = @echo \" GEN \" \"\$(CODE_COVERAGE_OUTPUT_DIRECTORY)\"; +code_coverage_quiet = \$(code_coverage_quiet_\$(V)) +code_coverage_quiet_ = \$(code_coverage_quiet_\$(AM_DEFAULT_VERBOSITY)) +code_coverage_quiet_0 = --quiet + +# sanitizes the test-name: replaces with underscores: dashes and dots +code_coverage_sanitize = \$(subst -,_,\$(subst .,_,\$(1))) + +# Use recursive makes in order to ignore errors during check +check-code-coverage: + -\$(AM_V_at)\$(MAKE) \$(AM_MAKEFLAGS) -k check + \$(AM_V_at)\$(MAKE) \$(AM_MAKEFLAGS) code-coverage-capture + +# Capture code coverage data +code-coverage-capture: code-coverage-capture-hook + \$(code_coverage_v_lcov_cap)\$(LCOV) \$(code_coverage_quiet) \$(addprefix --directory ,\$(CODE_COVERAGE_DIRECTORY)) --capture --output-file \"\$(CODE_COVERAGE_OUTPUT_FILE).tmp\" --test-name \"\$(call code_coverage_sanitize,\$(PACKAGE_NAME)-\$(PACKAGE_VERSION))\" --no-checksum --compat-libtool \$(CODE_COVERAGE_LCOV_SHOPTS) \$(CODE_COVERAGE_LCOV_OPTIONS) + \$(code_coverage_v_lcov_ign)\$(LCOV) \$(code_coverage_quiet) \$(addprefix --directory ,\$(CODE_COVERAGE_DIRECTORY)) --remove \"\$(CODE_COVERAGE_OUTPUT_FILE).tmp\" \"/tmp/*\" \$(CODE_COVERAGE_IGNORE_PATTERN) --output-file \"\$(CODE_COVERAGE_OUTPUT_FILE)\" \$(CODE_COVERAGE_LCOV_SHOPTS) \$(CODE_COVERAGE_LCOV_RMOPTS) + -@rm -f \"\$(CODE_COVERAGE_OUTPUT_FILE).tmp\" + \$(code_coverage_v_genhtml)LANG=C \$(GENHTML) \$(code_coverage_quiet) \$(addprefix --prefix ,\$(CODE_COVERAGE_DIRECTORY)) --output-directory \"\$(CODE_COVERAGE_OUTPUT_DIRECTORY)\" --title \"\$(PACKAGE_NAME)-\$(PACKAGE_VERSION) Code Coverage\" --legend --show-details \"\$(CODE_COVERAGE_OUTPUT_FILE)\" \$(CODE_COVERAGE_GENHTML_OPTIONS) + @echo \"file://\$(abs_builddir)/\$(CODE_COVERAGE_OUTPUT_DIRECTORY)/index.html\" + +code-coverage-clean: + -\$(LCOV) --directory \$(top_builddir) -z + -rm -rf \"\$(CODE_COVERAGE_OUTPUT_FILE)\" \"\$(CODE_COVERAGE_OUTPUT_FILE).tmp\" \"\$(CODE_COVERAGE_OUTPUT_DIRECTORY)\" + -find . \\( -name \"*.gcda\" -o -name \"*.gcno\" -o -name \"*.gcov\" \\) -delete + +code-coverage-dist-clean: + +A][M_DISTCHECK_CONFIGURE_FLAGS := \$(A][M_DISTCHECK_CONFIGURE_FLAGS) --disable-code-coverage + else # ifneq (\$(abs_builddir), \$(abs_top_builddir)) +check-code-coverage: + +code-coverage-capture: code-coverage-capture-hook + +code-coverage-clean: + +code-coverage-dist-clean: + endif # ifeq (\$(abs_builddir), \$(abs_top_builddir)) +else #! CODE_COVERAGE_ENABLED +# Use recursive makes in order to ignore errors during check +check-code-coverage: + @echo \"Need to reconfigure with --enable-code-coverage\" +# Capture code coverage data +code-coverage-capture: code-coverage-capture-hook + @echo \"Need to reconfigure with --enable-code-coverage\" + +code-coverage-clean: + +code-coverage-dist-clean: + +endif #CODE_COVERAGE_ENABLED +# Hook rule executed before code-coverage-capture, overridable by the user +code-coverage-capture-hook: + +.PHONY: check-code-coverage code-coverage-capture code-coverage-dist-clean code-coverage-clean code-coverage-capture-hook +]) +]) + +AC_DEFUN([_AX_CODE_COVERAGE_ENABLED],[ + AX_CHECK_GNU_MAKE([],[AC_MSG_ERROR([not using GNU make that is needed for coverage])]) + AC_REQUIRE([AX_ADD_AM_MACRO_STATIC]) + # check for gcov + AC_CHECK_TOOL([GCOV], + [$_AX_CODE_COVERAGE_GCOV_PROG_WITH], + [:]) + AS_IF([test "X$GCOV" = "X:"], + [AC_MSG_ERROR([gcov is needed to do coverage])]) + AC_SUBST([GCOV]) + + dnl Check if gcc is being used + AS_IF([ test "$GCC" = "no" ], [ + AC_MSG_ERROR([not compiling with gcc, which is required for gcov code coverage]) + ]) + + AC_CHECK_PROG([LCOV], [lcov], [lcov]) + AC_CHECK_PROG([GENHTML], [genhtml], [genhtml]) + + AS_IF([ test x"$LCOV" = x ], [ + AC_MSG_ERROR([To enable code coverage reporting you must have lcov installed]) + ]) + + AS_IF([ test x"$GENHTML" = x ], [ + AC_MSG_ERROR([Could not find genhtml from the lcov package]) + ]) + + dnl Build the code coverage flags + dnl Define CODE_COVERAGE_LDFLAGS for backwards compatibility + CODE_COVERAGE_CPPFLAGS="-DNDEBUG" + CODE_COVERAGE_CFLAGS="-O0 -g -fprofile-arcs -ftest-coverage" + CODE_COVERAGE_CXXFLAGS="-O0 -g -fprofile-arcs -ftest-coverage" + CODE_COVERAGE_LIBS="-lgcov" + + AC_SUBST([CODE_COVERAGE_CPPFLAGS]) + AC_SUBST([CODE_COVERAGE_CFLAGS]) + AC_SUBST([CODE_COVERAGE_CXXFLAGS]) + AC_SUBST([CODE_COVERAGE_LIBS]) +]) + +AC_DEFUN([AX_CODE_COVERAGE],[ + dnl Check for --enable-code-coverage + + # allow to override gcov location + AC_ARG_WITH([gcov], + [AS_HELP_STRING([--with-gcov[=GCOV]], [use given GCOV for coverage (GCOV=gcov).])], + [_AX_CODE_COVERAGE_GCOV_PROG_WITH=$with_gcov], + [_AX_CODE_COVERAGE_GCOV_PROG_WITH=gcov]) + + AC_MSG_CHECKING([whether to build with code coverage support]) + AC_ARG_ENABLE([code-coverage], + AS_HELP_STRING([--enable-code-coverage], + [Whether to enable code coverage support]),, + enable_code_coverage=no) + + AM_CONDITIONAL([CODE_COVERAGE_ENABLED], [test "x$enable_code_coverage" = xyes]) + AC_SUBST([CODE_COVERAGE_ENABLED], [$enable_code_coverage]) + AC_MSG_RESULT($enable_code_coverage) + + AS_IF([ test "x$enable_code_coverage" = xyes ], [ + _AX_CODE_COVERAGE_ENABLED + ]) + + _AX_CODE_COVERAGE_RULES +]) diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_cxx_compile_stdcxx.m4 b/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_cxx_compile_stdcxx.m4 new file mode 100644 index 00000000000..a3d964c699a --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_cxx_compile_stdcxx.m4 @@ -0,0 +1,1009 @@ +# =========================================================================== +# https://www.gnu.org/software/autoconf-archive/ax_cxx_compile_stdcxx.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_CXX_COMPILE_STDCXX(VERSION, [ext|noext], [mandatory|optional]) +# +# DESCRIPTION +# +# Check for baseline language coverage in the compiler for the specified +# version of the C++ standard. If necessary, add switches to CXX and +# CXXCPP to enable support. VERSION may be '11', '14', '17', or '20' for +# the respective C++ standard version. +# +# The second argument, if specified, indicates whether you insist on an +# extended mode (e.g. -std=gnu++11) or a strict conformance mode (e.g. +# -std=c++11). If neither is specified, you get whatever works, with +# preference for no added switch, and then for an extended mode. +# +# The third argument, if specified 'mandatory' or if left unspecified, +# indicates that baseline support for the specified C++ standard is +# required and that the macro should error out if no mode with that +# support is found. If specified 'optional', then configuration proceeds +# regardless, after defining HAVE_CXX${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 +# Copyright (c) 2020 Jason Merrill +# Copyright (c) 2021 Jörn Heusipp +# +# 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 15 + +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"], + [$1], [20], [ax_cxx_compile_alternatives="20"], + [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], [], [dnl + AC_CACHE_CHECK(whether $CXX supports C++$1 features by default, + ax_cv_cxx_compile_cxx$1, + [AC_COMPILE_IFELSE([AC_LANG_SOURCE([_AX_CXX_COMPILE_STDCXX_testbody_$1])], + [ax_cv_cxx_compile_cxx$1=yes], + [ax_cv_cxx_compile_cxx$1=no])]) + if test x$ax_cv_cxx_compile_cxx$1 = xyes; then + ac_success=yes + fi]) + + 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 +) + +dnl Test body for checking C++17 support + +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 Test body for checking C++20 support + +m4_define([_AX_CXX_COMPILE_STDCXX_testbody_20], + _AX_CXX_COMPILE_STDCXX_testbody_new_in_11 + _AX_CXX_COMPILE_STDCXX_testbody_new_in_14 + _AX_CXX_COMPILE_STDCXX_testbody_new_in_17 + _AX_CXX_COMPILE_STDCXX_testbody_new_in_20 +) + + +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" + +// MSVC always sets __cplusplus to 199711L in older versions; newer versions +// only set it correctly if /Zc:__cplusplus is specified as well as a +// /std:c++NN switch: +// https://devblogs.microsoft.com/cppblog/msvc-now-correctly-reports-__cplusplus/ +#elif __cplusplus < 201103L && !defined _MSC_VER + +#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 && !defined _MSC_VER + +#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 && !defined _MSC_VER + +#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 && !defined _MSC_VER + +]]) + + +dnl Tests for new features in C++20 + +m4_define([_AX_CXX_COMPILE_STDCXX_testbody_new_in_20], [[ + +#ifndef __cplusplus + +#error "This is not a C++ compiler" + +#elif __cplusplus < 202002L && !defined _MSC_VER + +#error "This is not a C++20 compiler" + +#else + +#include + +namespace cxx20 +{ + +// As C++20 supports feature test macros in the standard, there is no +// immediate need to actually test for feature availability on the +// Autoconf side. + +} // namespace cxx20 + +#endif // __cplusplus < 202002L && !defined _MSC_VER + +]]) diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_file_escapes.m4 b/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_file_escapes.m4 new file mode 100644 index 00000000000..a86fdc326ba --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_file_escapes.m4 @@ -0,0 +1,30 @@ +# =========================================================================== +# https://www.gnu.org/software/autoconf-archive/ax_file_escapes.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_FILE_ESCAPES +# +# DESCRIPTION +# +# Writes the specified data to the specified file. +# +# LICENSE +# +# Copyright (c) 2008 Tom Howard +# +# 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 8 + +AC_DEFUN([AX_FILE_ESCAPES],[ +AX_DOLLAR="\$" +AX_SRB="\\135" +AX_SLB="\\133" +AX_BS="\\\\" +AX_DQ="\"" +]) diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_gcc_builtin.m4 b/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_gcc_builtin.m4 new file mode 100644 index 00000000000..314422e35b3 --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-src/m4/ax_gcc_builtin.m4 @@ -0,0 +1,170 @@ +# =========================================================================== +# https://www.gnu.org/software/autoconf-archive/ax_gcc_builtin.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_GCC_BUILTIN(BUILTIN) +# +# DESCRIPTION +# +# This macro checks if the compiler supports one of GCC's built-in +# functions; many other compilers also provide those same built-ins. +# +# The BUILTIN parameter is the name of the built-in function. +# +# If BUILTIN is supported define HAVE_. Keep in mind that since +# builtins usually start with two underscores they will be copied over +# into the HAVE_ definition (e.g. HAVE___BUILTIN_EXPECT for +# __builtin_expect()). +# +# The macro caches its result in the ax_cv_have_ variable (e.g. +# ax_cv_have___builtin_expect). +# +# The macro currently supports the following built-in functions: +# +# __builtin_assume_aligned +# __builtin_bswap16 +# __builtin_bswap32 +# __builtin_bswap64 +# __builtin_choose_expr +# __builtin___clear_cache +# __builtin_clrsb +# __builtin_clrsbl +# __builtin_clrsbll +# __builtin_clz +# __builtin_clzl +# __builtin_clzll +# __builtin_complex +# __builtin_constant_p +# __builtin_ctz +# __builtin_ctzl +# __builtin_ctzll +# __builtin_expect +# __builtin_ffs +# __builtin_ffsl +# __builtin_ffsll +# __builtin_fpclassify +# __builtin_huge_val +# __builtin_huge_valf +# __builtin_huge_vall +# __builtin_inf +# __builtin_infd128 +# __builtin_infd32 +# __builtin_infd64 +# __builtin_inff +# __builtin_infl +# __builtin_isinf_sign +# __builtin_nan +# __builtin_nand128 +# __builtin_nand32 +# __builtin_nand64 +# __builtin_nanf +# __builtin_nanl +# __builtin_nans +# __builtin_nansf +# __builtin_nansl +# __builtin_object_size +# __builtin_parity +# __builtin_parityl +# __builtin_parityll +# __builtin_popcount +# __builtin_popcountl +# __builtin_popcountll +# __builtin_powi +# __builtin_powif +# __builtin_powil +# __builtin_prefetch +# __builtin_trap +# __builtin_types_compatible_p +# __builtin_unreachable +# +# Unsupported built-ins will be tested with an empty parameter set and the +# result of the check might be wrong or meaningless so use with care. +# +# LICENSE +# +# Copyright (c) 2013 Gabriele Svelto +# +# 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 6 + +AC_DEFUN([AX_GCC_BUILTIN], [ + AS_VAR_PUSHDEF([ac_var], [ax_cv_have_$1]) + + AC_CACHE_CHECK([for $1], [ac_var], [ + AC_LINK_IFELSE([AC_LANG_PROGRAM([], [ + m4_case([$1], + [__builtin_assume_aligned], [$1("", 0)], + [__builtin_bswap16], [$1(0)], + [__builtin_bswap32], [$1(0)], + [__builtin_bswap64], [$1(0)], + [__builtin_choose_expr], [$1(0, 0, 0)], + [__builtin___clear_cache], [$1("", "")], + [__builtin_clrsb], [$1(0)], + [__builtin_clrsbl], [$1(0)], + [__builtin_clrsbll], [$1(0)], + [__builtin_clz], [$1(0)], + [__builtin_clzl], [$1(0)], + [__builtin_clzll], [$1(0)], + [__builtin_complex], [$1(0.0, 0.0)], + [__builtin_constant_p], [$1(0)], + [__builtin_ctz], [$1(0)], + [__builtin_ctzl], [$1(0)], + [__builtin_ctzll], [$1(0)], + [__builtin_expect], [$1(0, 0)], + [__builtin_ffs], [$1(0)], + [__builtin_ffsl], [$1(0)], + [__builtin_ffsll], [$1(0)], + [__builtin_fpclassify], [$1(0, 1, 2, 3, 4, 0.0)], + [__builtin_huge_val], [$1()], + [__builtin_huge_valf], [$1()], + [__builtin_huge_vall], [$1()], + [__builtin_inf], [$1()], + [__builtin_infd128], [$1()], + [__builtin_infd32], [$1()], + [__builtin_infd64], [$1()], + [__builtin_inff], [$1()], + [__builtin_infl], [$1()], + [__builtin_isinf_sign], [$1(0.0)], + [__builtin_nan], [$1("")], + [__builtin_nand128], [$1("")], + [__builtin_nand32], [$1("")], + [__builtin_nand64], [$1("")], + [__builtin_nanf], [$1("")], + [__builtin_nanl], [$1("")], + [__builtin_nans], [$1("")], + [__builtin_nansf], [$1("")], + [__builtin_nansl], [$1("")], + [__builtin_object_size], [$1("", 0)], + [__builtin_parity], [$1(0)], + [__builtin_parityl], [$1(0)], + [__builtin_parityll], [$1(0)], + [__builtin_popcount], [$1(0)], + [__builtin_popcountl], [$1(0)], + [__builtin_popcountll], [$1(0)], + [__builtin_powi], [$1(0, 0)], + [__builtin_powif], [$1(0, 0)], + [__builtin_powil], [$1(0, 0)], + [__builtin_prefetch], [$1("")], + [__builtin_trap], [$1()], + [__builtin_types_compatible_p], [$1(int, int)], + [__builtin_unreachable], [$1()], + [m4_warn([syntax], [Unsupported built-in $1, the test may fail]) + $1()] + ) + ])], + [AS_VAR_SET([ac_var], [yes])], + [AS_VAR_SET([ac_var], [no])]) + ]) + + AS_IF([test yes = AS_VAR_GET([ac_var])], + [AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_$1), 1, + [Define to 1 if the system has the `$1' built-in function])], []) + + AS_VAR_POPDEF([ac_var]) +]) -- cgit v1.2.3