diff options
Diffstat (limited to 'aclocal.m4')
| -rw-r--r-- | aclocal.m4 | 3102 |
1 files changed, 3102 insertions, 0 deletions
diff --git a/aclocal.m4 b/aclocal.m4 new file mode 100644 index 0000000..c338308 --- /dev/null +++ b/aclocal.m4 @@ -0,0 +1,3102 @@ +# generated automatically by aclocal 1.16.5 -*- Autoconf -*- + +# Copyright (C) 1996-2021 Free Software Foundation, Inc. + +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])]) +m4_ifndef([AC_AUTOCONF_VERSION], + [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl +m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.71],, +[m4_warning([this file was generated for autoconf 2.71. +You have another version of autoconf. It may work, but is not guaranteed to. +If you have problems, you may need to regenerate the build system entirely. +To do so, use the procedure documented by the package, typically 'autoreconf'.])]) + +# =========================================================================== +# 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 <allan.caffee@gmail.com> +# +# 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" +]) +]) + +# =========================================================================== +# 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 <allan.caffee@gmail.com> +# +# 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" +]) +]) + +# =========================================================================== +# 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 <tomhoward@users.sf.net> +# Copyright (c) 2009 Allan Caffee <allan.caffee@gmail.com> +# +# 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]) +]) + +# =========================================================================== +# 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 <tomhoward@users.sf.net> +# Copyright (c) 2009 Allan Caffee <allan.caffee@gmail.com> +# +# 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])[ +]) +]) + +# =========================================================================== +# https://www.gnu.org/software/autoconf-archive/ax_check_gnu_make.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_CHECK_GNU_MAKE([run-if-true],[run-if-false]) +# +# DESCRIPTION +# +# This macro searches for a GNU version of make. If a match is found: +# +# * The makefile variable `ifGNUmake' is set to the empty string, otherwise +# it is set to "#". This is useful for including a special features in a +# Makefile, which cannot be handled by other versions of make. +# * The makefile variable `ifnGNUmake' is set to #, otherwise +# it is set to the empty string. This is useful for including a special +# features in a Makefile, which can be handled +# by other versions of make or to specify else like clause. +# * The variable `_cv_gnu_make_command` is set to the command to invoke +# GNU make if it exists, the empty string otherwise. +# * The variable `ax_cv_gnu_make_command` is set to the command to invoke +# GNU make by copying `_cv_gnu_make_command`, otherwise it is unset. +# * If GNU Make is found, its version is extracted from the output of +# `make --version` as the last field of a record of space-separated +# columns and saved into the variable `ax_check_gnu_make_version`. +# * Additionally if GNU Make is found, run shell code run-if-true +# else run shell code run-if-false. +# +# Here is an example of its use: +# +# Makefile.in might contain: +# +# # A failsafe way of putting a dependency rule into a makefile +# $(DEPEND): +# $(CC) -MM $(srcdir)/*.c > $(DEPEND) +# +# @ifGNUmake@ ifeq ($(DEPEND),$(wildcard $(DEPEND))) +# @ifGNUmake@ include $(DEPEND) +# @ifGNUmake@ else +# fallback code +# @ifGNUmake@ endif +# +# Then configure.in would normally contain: +# +# AX_CHECK_GNU_MAKE() +# AC_OUTPUT(Makefile) +# +# Then perhaps to cause gnu make to override any other make, we could do +# something like this (note that GNU make always looks for GNUmakefile +# first): +# +# if ! test x$_cv_gnu_make_command = x ; then +# mv Makefile GNUmakefile +# echo .DEFAULT: > Makefile ; +# echo \ $_cv_gnu_make_command \$@ >> Makefile; +# fi +# +# Then, if any (well almost any) other make is called, and GNU make also +# exists, then the other make wraps the GNU make. +# +# LICENSE +# +# Copyright (c) 2008 John Darrington <j.darrington@elvis.murdoch.edu.au> +# Copyright (c) 2015 Enrico M. Crisostomo <enrico.m.crisostomo@gmail.com> +# +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. This file is offered as-is, without any +# warranty. + +#serial 12 + +AC_DEFUN([AX_CHECK_GNU_MAKE],dnl + [AC_PROG_AWK + AC_CACHE_CHECK([for GNU make],[_cv_gnu_make_command],[dnl + _cv_gnu_make_command="" ; +dnl Search all the common names for GNU make + for a in "$MAKE" make gmake gnumake ; do + if test -z "$a" ; then continue ; fi ; + if "$a" --version 2> /dev/null | grep GNU 2>&1 > /dev/null ; then + _cv_gnu_make_command=$a ; + AX_CHECK_GNU_MAKE_HEADLINE=$("$a" --version 2> /dev/null | grep "GNU Make") + ax_check_gnu_make_version=$(echo ${AX_CHECK_GNU_MAKE_HEADLINE} | ${AWK} -F " " '{ print $(NF); }') + break ; + fi + done ;]) +dnl If there was a GNU version, then set @ifGNUmake@ to the empty string, '#' otherwise + AS_VAR_IF([_cv_gnu_make_command], [""], [AS_VAR_SET([ifGNUmake], ["#"])], [AS_VAR_SET([ifGNUmake], [""])]) + AS_VAR_IF([_cv_gnu_make_command], [""], [AS_VAR_SET([ifnGNUmake], [""])], [AS_VAR_SET([ifnGNUmake], ["#"])]) + AS_VAR_IF([_cv_gnu_make_command], [""], [AS_UNSET(ax_cv_gnu_make_command)], [AS_VAR_SET([ax_cv_gnu_make_command], [${_cv_gnu_make_command}])]) + AS_VAR_IF([_cv_gnu_make_command], [""],[$2],[$1]) + AC_SUBST([ifGNUmake]) + AC_SUBST([ifnGNUmake]) +]) + +# =========================================================================== +# 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 <https://www.gnu.org/licenses/>. + +#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$enable_code_coverage" = xyes ], [ + _AX_CODE_COVERAGE_ENABLED + ]) + + _AX_CODE_COVERAGE_RULES +]) + +# =========================================================================== +# https://www.gnu.org/software/autoconf-archive/ax_file_escapes.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_FILE_ESCAPES +# +# DESCRIPTION +# +# Writes the specified data to the specified file. +# +# LICENSE +# +# Copyright (c) 2008 Tom Howard <tomhoward@users.sf.net> +# +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. This file is offered as-is, without any +# warranty. + +#serial 8 + +AC_DEFUN([AX_FILE_ESCAPES],[ +AX_DOLLAR="\$" +AX_SRB="\\135" +AX_SLB="\\133" +AX_BS="\\\\" +AX_DQ="\"" +]) + +# gpgme.m4 - autoconf macro to detect GPGME. +# Copyright (C) 2002, 2003, 2004, 2014, 2018, 2022 g10 Code GmbH +# +# This file is free software; as a special exception the author gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. +# +# This file is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY, to the extent permitted by law; without even the +# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +# +# Last-changed: 2022-11-25 + + +dnl +dnl Find gpgrt-config, which uses .pc file +dnl (minimum pkg-config functionality, supporting cross build) +dnl +dnl _AM_PATH_GPGRT_CONFIG +AC_DEFUN([_AM_PATH_GPGRT_CONFIG],[dnl + AC_PATH_PROG(GPGRT_CONFIG, gpgrt-config, no, [$prefix/bin:$PATH]) + if test "$GPGRT_CONFIG" != "no"; then + # Determine gpgrt_libdir + # + # Get the prefix of gpgrt-config assuming it's something like: + # <PREFIX>/bin/gpgrt-config + gpgrt_prefix=${GPGRT_CONFIG%/*/*} + possible_libdir1=${gpgrt_prefix}/lib + # Determine by using system libdir-format with CC, it's like: + # Normal style: /usr/lib + # GNU cross style: /usr/<triplet>/lib + # Debian style: /usr/lib/<multiarch-name> + # Fedora/openSUSE style: /usr/lib, /usr/lib32 or /usr/lib64 + # It is assumed that CC is specified to the one of host on cross build. + if libdir_candidates=$(${CC:-cc} -print-search-dirs | \ + sed -n -e "/^libraries/{s/libraries: =//;s/:/\\ +/g;p;}"); then + # From the output of -print-search-dirs, select valid pkgconfig dirs. + libdir_candidates=$(for dir in $libdir_candidates; do + if p=$(cd $dir 2>/dev/null && pwd); then + test -d "$p/pkgconfig" && echo $p; + fi + done) + + for possible_libdir0 in $libdir_candidates; do + # possible_libdir0: + # Fallback candidate, the one of system-installed (by $CC) + # (/usr/<triplet>/lib, /usr/lib/<multiarch-name> or /usr/lib32) + # possible_libdir1: + # Another candidate, user-locally-installed + # (<gpgrt_prefix>/lib) + # possible_libdir2 + # Most preferred + # (<gpgrt_prefix>/<triplet>/lib, + # <gpgrt_prefix>/lib/<multiarch-name> or <gpgrt_prefix>/lib32) + if test "${possible_libdir0##*/}" = "lib"; then + possible_prefix0=${possible_libdir0%/lib} + possible_prefix0_triplet=${possible_prefix0##*/} + if test -z "$possible_prefix0_triplet"; then + continue + fi + possible_libdir2=${gpgrt_prefix}/$possible_prefix0_triplet/lib + else + possible_prefix0=${possible_libdir0%%/lib*} + possible_libdir2=${gpgrt_prefix}${possible_libdir0#$possible_prefix0} + fi + if test -f ${possible_libdir2}/pkgconfig/gpg-error.pc; then + gpgrt_libdir=${possible_libdir2} + elif test -f ${possible_libdir1}/pkgconfig/gpg-error.pc; then + gpgrt_libdir=${possible_libdir1} + elif test -f ${possible_libdir0}/pkgconfig/gpg-error.pc; then + gpgrt_libdir=${possible_libdir0} + fi + if test -n "$gpgrt_libdir"; then break; fi + done + if test -z "$libdir_candidates"; then + # No valid pkgconfig dir in any of the system directories, fallback + gpgrt_libdir=${possible_libdir1} + fi + else + # When we cannot determine system libdir-format, use this: + gpgrt_libdir=${possible_libdir1} + fi + else + unset GPGRT_CONFIG + fi + + if test -n "$gpgrt_libdir"; then + GPGRT_CONFIG="$GPGRT_CONFIG --libdir=$gpgrt_libdir" + if $GPGRT_CONFIG gpg-error >/dev/null 2>&1; then + GPG_ERROR_CONFIG="$GPGRT_CONFIG gpg-error" + AC_MSG_NOTICE([Use gpgrt-config with $gpgrt_libdir as gpg-error-config]) + gpg_error_config_version=`$GPG_ERROR_CONFIG --modversion` + else + unset GPGRT_CONFIG + fi + elif test "$GPG_ERROR_CONFIG" != "no"; then + gpg_error_config_version=`$GPG_ERROR_CONFIG --version` + unset GPGRT_CONFIG + fi +]) + +AC_DEFUN([_AM_PATH_GPGME_CONFIG],[dnl +AC_REQUIRE([_AM_PATH_GPGRT_CONFIG])dnl + AC_ARG_WITH(gpgme-prefix, + AS_HELP_STRING([--with-gpgme-prefix=PFX], + [prefix where GPGME is installed (optional)]), + gpgme_config_prefix="$withval", gpgme_config_prefix="") + if test x"${GPGME_CONFIG}" = x ; then + if test x"${gpgme_config_prefix}" != x ; then + GPGME_CONFIG="${gpgme_config_prefix}/bin/gpgme-config" + else + case "${SYSROOT}" in + /*) + if test -x "${SYSROOT}/bin/gpgme-config" ; then + GPGME_CONFIG="${SYSROOT}/bin/gpgme-config" + fi + ;; + '') + ;; + *) + AC_MSG_WARN([Ignoring \$SYSROOT as it is not an absolute path.]) + ;; + esac + fi + fi + + use_gpgrt_config="" + if test x"$GPGRT_CONFIG" != x -a "$GPGRT_CONFIG" != "no"; then + if $GPGRT_CONFIG gpgme --exists; then + GPGME_CONFIG="$GPGRT_CONFIG gpgme" + AC_MSG_NOTICE([Use gpgrt-config as gpgme-config]) + use_gpgrt_config=yes + fi + fi + if test -z "$use_gpgrt_config"; then + AC_PATH_PROG(GPGME_CONFIG, gpgme-config, no) + fi + + if test "$GPGME_CONFIG" != "no" ; then + if test -z "$use_gpgrt_config"; then + gpgme_version=`$GPGME_CONFIG --version` + else + gpgme_version=`$GPGME_CONFIG --modversion` + fi + fi + gpgme_version_major=`echo $gpgme_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'` + gpgme_version_minor=`echo $gpgme_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'` + gpgme_version_micro=`echo $gpgme_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'` +]) + + +AC_DEFUN([_AM_PATH_GPGME_CONFIG_HOST_CHECK], +[ + if test -z "$use_gpgrt_config"; then + gpgme_config_host=`$GPGME_CONFIG --host 2>/dev/null || echo none` + else + gpgme_config_host=`$GPGME_CONFIG --variable=host 2>/dev/null || echo none` + fi + if test x"$gpgme_config_host" != xnone ; then + if test x"$gpgme_config_host" != x"$host" ; then + AC_MSG_WARN([[ +*** +*** The config script "$GPGME_CONFIG" was +*** built for $gpgme_config_host and thus may not match the +*** used host $host. +*** You may want to use the configure option --with-gpgme-prefix +*** to specify a matching config script or use \$SYSROOT. +***]]) + gpg_config_script_warn="$gpg_config_script_warn gpgme" + fi + fi +]) + + +dnl AM_PATH_GPGME([MINIMUM-VERSION, +dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]]) +dnl Test for libgpgme and define GPGME_CFLAGS and GPGME_LIBS. +dnl +dnl If a prefix option is not used, the config script is first +dnl searched in $SYSROOT/bin and then along $PATH. If the used +dnl config script does not match the host specification the script +dnl is added to the gpg_config_script_warn variable. +dnl +AC_DEFUN([AM_PATH_GPGME], +[ AC_REQUIRE([_AM_PATH_GPGME_CONFIG])dnl + tmp=ifelse([$1], ,1:0.4.2,$1) + if echo "$tmp" | grep ':' >/dev/null 2>/dev/null ; then + req_gpgme_api=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\1/'` + min_gpgme_version=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\2/'` + else + req_gpgme_api=0 + min_gpgme_version="$tmp" + fi + + AC_MSG_CHECKING(for GPGME - version >= $min_gpgme_version) + ok=no + if test "$GPGME_CONFIG" != "no" ; then + req_major=`echo $min_gpgme_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'` + req_minor=`echo $min_gpgme_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'` + req_micro=`echo $min_gpgme_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'` + if test "$gpgme_version_major" -gt "$req_major"; then + ok=yes + else + if test "$gpgme_version_major" -eq "$req_major"; then + if test "$gpgme_version_minor" -gt "$req_minor"; then + ok=yes + else + if test "$gpgme_version_minor" -eq "$req_minor"; then + if test "$gpgme_version_micro" -ge "$req_micro"; then + ok=yes + fi + fi + fi + fi + fi + fi + if test $ok = yes; then + # If we have a recent GPGME, we should also check that the + # API is compatible. + if test "$req_gpgme_api" -gt 0 ; then + if test -z "$use_gpgrt_config"; then + tmp=`$GPGME_CONFIG --api-version 2>/dev/null || echo 0` + else + tmp=`$GPGME_CONFIG --variable=api_version 2>/dev/null || echo 0` + fi + if test "$tmp" -gt 0 ; then + if test "$req_gpgme_api" -ne "$tmp" ; then + ok=no + fi + fi + fi + fi + if test $ok = yes; then + GPGME_CFLAGS=`$GPGME_CONFIG --cflags` + GPGME_LIBS=`$GPGME_CONFIG --libs` + AC_MSG_RESULT(yes) + ifelse([$2], , :, [$2]) + _AM_PATH_GPGME_CONFIG_HOST_CHECK + else + GPGME_CFLAGS="" + GPGME_LIBS="" + AC_MSG_RESULT(no) + ifelse([$3], , :, [$3]) + fi + AC_SUBST(GPGME_CFLAGS) + AC_SUBST(GPGME_LIBS) +]) + +dnl AM_PATH_GPGME_PTHREAD([MINIMUM-VERSION, +dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]]) +dnl Test for libgpgme and define GPGME_PTHREAD_CFLAGS +dnl and GPGME_PTHREAD_LIBS. +dnl +AC_DEFUN([AM_PATH_GPGME_PTHREAD],[ + AC_OBSOLETE([$0], [; use AM_PATH_GPGME instead to use GPGME_CFLAGS and GPGME_LIBS])dnl + AC_REQUIRE([_AM_PATH_GPGME_CONFIG])dnl + tmp=ifelse([$1], ,1:0.4.2,$1) + if echo "$tmp" | grep ':' >/dev/null 2>/dev/null ; then + req_gpgme_api=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\1/'` + min_gpgme_version=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\2/'` + else + req_gpgme_api=0 + min_gpgme_version="$tmp" + fi + + AC_MSG_CHECKING(for GPGME pthread - version >= $min_gpgme_version) + ok=no + if test "$GPGME_CONFIG" != "no" ; then + req_major=`echo $min_gpgme_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'` + req_minor=`echo $min_gpgme_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'` + req_micro=`echo $min_gpgme_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'` + if test "$gpgme_version_major" -gt "$req_major"; then + ok=yes + else + if test "$gpgme_version_major" -eq "$req_major"; then + if test "$gpgme_version_minor" -gt "$req_minor"; then + ok=yes + else + if test "$gpgme_version_minor" -eq "$req_minor"; then + if test "$gpgme_version_micro" -ge "$req_micro"; then + ok=yes + fi + fi + fi + fi + fi + fi + if test $ok = yes; then + # If we have a recent GPGME, we should also check that the + # API is compatible. + if test "$req_gpgme_api" -gt 0 ; then + if test -z "$use_gpgrt_config"; then + tmp=`$GPGME_CONFIG --api-version 2>/dev/null || echo 0` + else + tmp=`$GPGME_CONFIG --variable=api_version 2>/dev/null || echo 0` + fi + if test "$tmp" -gt 0 ; then + if test "$req_gpgme_api" -ne "$tmp" ; then + ok=no + fi + fi + fi + fi + if test $ok = yes; then + GPGME_PTHREAD_CFLAGS=`$GPGME_CONFIG --cflags` + GPGME_PTHREAD_LIBS=`$GPGME_CONFIG --libs` + AC_MSG_RESULT(yes) + ifelse([$2], , :, [$2]) + _AM_PATH_GPGME_CONFIG_HOST_CHECK + else + GPGME_PTHREAD_CFLAGS="" + GPGME_PTHREAD_LIBS="" + AC_MSG_RESULT(no) + ifelse([$3], , :, [$3]) + fi + AC_SUBST(GPGME_PTHREAD_CFLAGS) + AC_SUBST(GPGME_PTHREAD_LIBS) +]) + + +dnl AM_PATH_GPGME_GLIB([MINIMUM-VERSION, +dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]]) +dnl Test for libgpgme-glib and define GPGME_GLIB_CFLAGS and GPGME_GLIB_LIBS. +dnl +AC_DEFUN([AM_PATH_GPGME_GLIB], +[ AC_REQUIRE([_AM_PATH_GPGME_CONFIG])dnl + tmp=ifelse([$1], ,1:0.4.2,$1) + if echo "$tmp" | grep ':' >/dev/null 2>/dev/null ; then + req_gpgme_api=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\1/'` + min_gpgme_version=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\2/'` + else + req_gpgme_api=0 + min_gpgme_version="$tmp" + fi + + AC_MSG_CHECKING(for GPGME - version >= $min_gpgme_version) + ok=no + if test "$GPGME_CONFIG" != "no" ; then + req_major=`echo $min_gpgme_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'` + req_minor=`echo $min_gpgme_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'` + req_micro=`echo $min_gpgme_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'` + if test "$gpgme_version_major" -gt "$req_major"; then + ok=yes + else + if test "$gpgme_version_major" -eq "$req_major"; then + if test "$gpgme_version_minor" -gt "$req_minor"; then + ok=yes + else + if test "$gpgme_version_minor" -eq "$req_minor"; then + if test "$gpgme_version_micro" -ge "$req_micro"; then + ok=yes + fi + fi + fi + fi + fi + fi + if test $ok = yes; then + # If we have a recent GPGME, we should also check that the + # API is compatible. + if test "$req_gpgme_api" -gt 0 ; then + if test -z "$use_gpgrt_config"; then + tmp=`$GPGME_CONFIG --api-version 2>/dev/null || echo 0` + else + tmp=`$GPGME_CONFIG --variable=api_version 2>/dev/null || echo 0` + fi + if test "$tmp" -gt 0 ; then + if test "$req_gpgme_api" -ne "$tmp" ; then + ok=no + fi + fi + fi + fi + if test $ok = yes; then + if test -z "$use_gpgrt_config"; then + GPGME_GLIB_CFLAGS=`$GPGME_CONFIG --glib --cflags` + GPGME_GLIB_LIBS=`$GPGME_CONFIG --glib --libs` + else + if $GPGRT_CONFIG gpgme-glib --exists; then + GPGME_CONFIG="$GPGRT_CONFIG gpgme-glib" + GPGME_GLIB_CFLAGS=`$GPGME_CONFIG --cflags` + GPGME_GLIB_LIBS=`$GPGME_CONFIG --libs` + else + ok = no + fi + fi + fi + if test $ok = yes; then + AC_MSG_RESULT(yes) + ifelse([$2], , :, [$2]) + _AM_PATH_GPGME_CONFIG_HOST_CHECK + else + GPGME_GLIB_CFLAGS="" + GPGME_GLIB_LIBS="" + AC_MSG_RESULT(no) + ifelse([$3], , :, [$3]) + fi + AC_SUBST(GPGME_GLIB_CFLAGS) + AC_SUBST(GPGME_GLIB_LIBS) +]) + +# pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- +# serial 11 (pkg-config-0.29.1) + +dnl Copyright © 2004 Scott James Remnant <scott@netsplit.com>. +dnl Copyright © 2012-2015 Dan Nicholson <dbn.lists@gmail.com> +dnl +dnl This program is free software; you can redistribute it and/or modify +dnl it under the terms of the GNU General Public License as published by +dnl the Free Software Foundation; either version 2 of the License, or +dnl (at your option) any later version. +dnl +dnl This program is distributed in the hope that it will be useful, but +dnl WITHOUT ANY WARRANTY; without even the implied warranty of +dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +dnl General Public License for more details. +dnl +dnl You should have received a copy of the GNU General Public License +dnl along with this program; if not, write to the Free Software +dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA +dnl 02111-1307, USA. +dnl +dnl As a special exception to the GNU General Public License, if you +dnl distribute this file as part of a program that contains a +dnl configuration script generated by Autoconf, you may include it under +dnl the same distribution terms that you use for the rest of that +dnl program. + +dnl PKG_PREREQ(MIN-VERSION) +dnl ----------------------- +dnl Since: 0.29 +dnl +dnl Verify that the version of the pkg-config macros are at least +dnl MIN-VERSION. Unlike PKG_PROG_PKG_CONFIG, which checks the user's +dnl installed version of pkg-config, this checks the developer's version +dnl of pkg.m4 when generating configure. +dnl +dnl To ensure that this macro is defined, also add: +dnl m4_ifndef([PKG_PREREQ], +dnl [m4_fatal([must install pkg-config 0.29 or later before running autoconf/autogen])]) +dnl +dnl See the "Since" comment for each macro you use to see what version +dnl of the macros you require. +m4_defun([PKG_PREREQ], +[m4_define([PKG_MACROS_VERSION], [0.29.1]) +m4_if(m4_version_compare(PKG_MACROS_VERSION, [$1]), -1, + [m4_fatal([pkg.m4 version $1 or higher is required but ]PKG_MACROS_VERSION[ found])]) +])dnl PKG_PREREQ + +dnl PKG_PROG_PKG_CONFIG([MIN-VERSION]) +dnl ---------------------------------- +dnl Since: 0.16 +dnl +dnl Search for the pkg-config tool and set the PKG_CONFIG variable to +dnl first found in the path. Checks that the version of pkg-config found +dnl is at least MIN-VERSION. If MIN-VERSION is not specified, 0.9.0 is +dnl used since that's the first version where most current features of +dnl pkg-config existed. +AC_DEFUN([PKG_PROG_PKG_CONFIG], +[m4_pattern_forbid([^_?PKG_[A-Z_]+$]) +m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$]) +m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$]) +AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility]) +AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path]) +AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path]) + +if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then + AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) +fi +if test -n "$PKG_CONFIG"; then + _pkg_min_version=m4_default([$1], [0.9.0]) + AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version]) + if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + PKG_CONFIG="" + fi +fi[]dnl +])dnl PKG_PROG_PKG_CONFIG + +dnl PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) +dnl ------------------------------------------------------------------- +dnl Since: 0.18 +dnl +dnl Check to see whether a particular set of modules exists. Similar to +dnl PKG_CHECK_MODULES(), but does not set variables or print errors. +dnl +dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG]) +dnl only at the first occurence in configure.ac, so if the first place +dnl it's called might be skipped (such as if it is within an "if", you +dnl have to call PKG_CHECK_EXISTS manually +AC_DEFUN([PKG_CHECK_EXISTS], +[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl +if test -n "$PKG_CONFIG" && \ + AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then + m4_default([$2], [:]) +m4_ifvaln([$3], [else + $3])dnl +fi]) + +dnl _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) +dnl --------------------------------------------- +dnl Internal wrapper calling pkg-config via PKG_CONFIG and setting +dnl pkg_failed based on the result. +m4_define([_PKG_CONFIG], +[if test -n "$$1"; then + pkg_cv_[]$1="$$1" + elif test -n "$PKG_CONFIG"; then + PKG_CHECK_EXISTS([$3], + [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes ], + [pkg_failed=yes]) + else + pkg_failed=untried +fi[]dnl +])dnl _PKG_CONFIG + +dnl _PKG_SHORT_ERRORS_SUPPORTED +dnl --------------------------- +dnl Internal check to see if pkg-config supports short errors. +AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED], +[AC_REQUIRE([PKG_PROG_PKG_CONFIG]) +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi[]dnl +])dnl _PKG_SHORT_ERRORS_SUPPORTED + + +dnl PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], +dnl [ACTION-IF-NOT-FOUND]) +dnl -------------------------------------------------------------- +dnl Since: 0.4.0 +dnl +dnl Note that if there is a possibility the first call to +dnl PKG_CHECK_MODULES might not happen, you should be sure to include an +dnl explicit call to PKG_PROG_PKG_CONFIG in your configure.ac +AC_DEFUN([PKG_CHECK_MODULES], +[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl +AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl +AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl + +pkg_failed=no +AC_MSG_CHECKING([for $1]) + +_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2]) +_PKG_CONFIG([$1][_LIBS], [libs], [$2]) + +m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS +and $1[]_LIBS to avoid the need to call pkg-config. +See the pkg-config man page for more details.]) + +if test $pkg_failed = yes; then + AC_MSG_RESULT([no]) + _PKG_SHORT_ERRORS_SUPPORTED + if test $_pkg_short_errors_supported = yes; then + $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1` + else + $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1` + fi + # Put the nasty error message in config.log where it belongs + echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD + + m4_default([$4], [AC_MSG_ERROR( +[Package requirements ($2) were not met: + +$$1_PKG_ERRORS + +Consider adjusting the PKG_CONFIG_PATH environment variable if you +installed software in a non-standard prefix. + +_PKG_TEXT])[]dnl + ]) +elif test $pkg_failed = untried; then + AC_MSG_RESULT([no]) + m4_default([$4], [AC_MSG_FAILURE( +[The pkg-config script could not be found or is too old. Make sure it +is in your PATH or set the PKG_CONFIG environment variable to the full +path to pkg-config. + +_PKG_TEXT + +To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl + ]) +else + $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS + $1[]_LIBS=$pkg_cv_[]$1[]_LIBS + AC_MSG_RESULT([yes]) + $3 +fi[]dnl +])dnl PKG_CHECK_MODULES + + +dnl PKG_CHECK_MODULES_STATIC(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], +dnl [ACTION-IF-NOT-FOUND]) +dnl --------------------------------------------------------------------- +dnl Since: 0.29 +dnl +dnl Checks for existence of MODULES and gathers its build flags with +dnl static libraries enabled. Sets VARIABLE-PREFIX_CFLAGS from --cflags +dnl and VARIABLE-PREFIX_LIBS from --libs. +dnl +dnl Note that if there is a possibility the first call to +dnl PKG_CHECK_MODULES_STATIC might not happen, you should be sure to +dnl include an explicit call to PKG_PROG_PKG_CONFIG in your +dnl configure.ac. +AC_DEFUN([PKG_CHECK_MODULES_STATIC], +[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl +_save_PKG_CONFIG=$PKG_CONFIG +PKG_CONFIG="$PKG_CONFIG --static" +PKG_CHECK_MODULES($@) +PKG_CONFIG=$_save_PKG_CONFIG[]dnl +])dnl PKG_CHECK_MODULES_STATIC + + +dnl PKG_INSTALLDIR([DIRECTORY]) +dnl ------------------------- +dnl Since: 0.27 +dnl +dnl Substitutes the variable pkgconfigdir as the location where a module +dnl should install pkg-config .pc files. By default the directory is +dnl $libdir/pkgconfig, but the default can be changed by passing +dnl DIRECTORY. 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Otherwise, use the GNU ${prefix} and + dnl ${exec_prefix} variables. + dnl + dnl The two are made distinct variables so they can be overridden if + dnl need be, although general consensus is that you shouldn't need + dnl this separation. + dnl + dnl Also allow directly setting the prefixes via configure options, + dnl overriding any default. + dnl + if test "x$prefix" = xNONE; then + am__usable_prefix=$ac_default_prefix + else + am__usable_prefix=$prefix + fi + + # Allow user to request using sys.* values from Python, + # instead of the GNU $prefix values. + AC_ARG_WITH([python-sys-prefix], + [AS_HELP_STRING([--with-python-sys-prefix], + [use Python's sys.prefix and sys.exec_prefix values])], + [am_use_python_sys=:], + [am_use_python_sys=false]) + + # Allow user to override whatever the default Python prefix is. + AC_ARG_WITH([python_prefix], + [AS_HELP_STRING([--with-python_prefix], + [override the default PYTHON_PREFIX])], + [am_python_prefix_subst=$withval + am_cv_python_prefix=$withval + AC_MSG_CHECKING([for explicit $am_display_PYTHON prefix]) + AC_MSG_RESULT([$am_cv_python_prefix])], + [ + if $am_use_python_sys; then + # using python sys.prefix value, not GNU + AC_CACHE_CHECK([for python default $am_display_PYTHON prefix], + [am_cv_python_prefix], + [am_cv_python_prefix=`$PYTHON -c "import sys; sys.stdout.write(sys.prefix)"`]) + + dnl If sys.prefix is a subdir of $prefix, replace the literal value of + dnl $prefix with a variable reference so it can be overridden. + case $am_cv_python_prefix in + $am__usable_prefix*) + am__strip_prefix=`echo "$am__usable_prefix" | sed 's|.|.|g'` + am_python_prefix_subst=`echo "$am_cv_python_prefix" | sed "s,^$am__strip_prefix,\\${prefix},"` + ;; + *) + am_python_prefix_subst=$am_cv_python_prefix + ;; + esac + else # using GNU prefix value, not python sys.prefix + am_python_prefix_subst='${prefix}' + am_python_prefix=$am_python_prefix_subst + AC_MSG_CHECKING([for GNU default $am_display_PYTHON prefix]) + AC_MSG_RESULT([$am_python_prefix]) + fi]) + # Substituting python_prefix_subst value. + AC_SUBST([PYTHON_PREFIX], [$am_python_prefix_subst]) + + # emacs-page Now do it all over again for Python exec_prefix, but with yet + # another conditional: fall back to regular prefix if that was specified. + AC_ARG_WITH([python_exec_prefix], + [AS_HELP_STRING([--with-python_exec_prefix], + [override the default PYTHON_EXEC_PREFIX])], + [am_python_exec_prefix_subst=$withval + am_cv_python_exec_prefix=$withval + AC_MSG_CHECKING([for explicit $am_display_PYTHON exec_prefix]) + AC_MSG_RESULT([$am_cv_python_exec_prefix])], + [ + # no explicit --with-python_exec_prefix, but if + # --with-python_prefix was given, use its value for python_exec_prefix too. + AS_IF([test -n "$with_python_prefix"], + [am_python_exec_prefix_subst=$with_python_prefix + am_cv_python_exec_prefix=$with_python_prefix + AC_MSG_CHECKING([for python_prefix-given $am_display_PYTHON exec_prefix]) + AC_MSG_RESULT([$am_cv_python_exec_prefix])], + [ + # Set am__usable_exec_prefix whether using GNU or Python values, + # since we use that variable for pyexecdir. + if test "x$exec_prefix" = xNONE; then + am__usable_exec_prefix=$am__usable_prefix + else + am__usable_exec_prefix=$exec_prefix + fi + # + if $am_use_python_sys; then # using python sys.exec_prefix, not GNU + AC_CACHE_CHECK([for python default $am_display_PYTHON exec_prefix], + [am_cv_python_exec_prefix], + [am_cv_python_exec_prefix=`$PYTHON -c "import sys; sys.stdout.write(sys.exec_prefix)"`]) + dnl If sys.exec_prefix is a subdir of $exec_prefix, replace the + dnl literal value of $exec_prefix with a variable reference so it can + dnl be overridden. + case $am_cv_python_exec_prefix in + $am__usable_exec_prefix*) + am__strip_prefix=`echo "$am__usable_exec_prefix" | sed 's|.|.|g'` + am_python_exec_prefix_subst=`echo "$am_cv_python_exec_prefix" | sed "s,^$am__strip_prefix,\\${exec_prefix},"` + ;; + *) + am_python_exec_prefix_subst=$am_cv_python_exec_prefix + ;; + esac + else # using GNU $exec_prefix, not python sys.exec_prefix + am_python_exec_prefix_subst='${exec_prefix}' + am_python_exec_prefix=$am_python_exec_prefix_subst + AC_MSG_CHECKING([for GNU default $am_display_PYTHON exec_prefix]) + AC_MSG_RESULT([$am_python_exec_prefix]) + fi])]) + # Substituting python_exec_prefix_subst. + AC_SUBST([PYTHON_EXEC_PREFIX], [$am_python_exec_prefix_subst]) + + # Factor out some code duplication into this shell variable. + am_python_setup_sysconfig="\ +import sys +# Prefer sysconfig over distutils.sysconfig, for better compatibility +# with python 3.x. See automake bug#10227. +try: + import sysconfig +except ImportError: + can_use_sysconfig = 0 +else: + can_use_sysconfig = 1 +# Can't use sysconfig in CPython 2.7, since it's broken in virtualenvs: +# <https://github.com/pypa/virtualenv/issues/118> +try: + from platform import python_implementation + if python_implementation() == 'CPython' and sys.version[[:3]] == '2.7': + can_use_sysconfig = 0 +except ImportError: + pass" + + dnl emacs-page Set up 4 directories: + + dnl 1. pythondir: where to install python scripts. This is the + dnl site-packages directory, not the python standard library + dnl directory like in previous automake betas. This behavior + dnl is more consistent with lispdir.m4 for example. + dnl Query distutils for this directory. + dnl + AC_CACHE_CHECK([for $am_display_PYTHON script directory (pythondir)], + [am_cv_python_pythondir], + [if test "x$am_cv_python_prefix" = x; then + am_py_prefix=$am__usable_prefix + else + am_py_prefix=$am_cv_python_prefix + fi + am_cv_python_pythondir=`$PYTHON -c " +$am_python_setup_sysconfig +if can_use_sysconfig: + sitedir = sysconfig.get_path('purelib', vars={'base':'$am_py_prefix'}) +else: + from distutils import sysconfig + sitedir = sysconfig.get_python_lib(0, 0, prefix='$am_py_prefix') +sys.stdout.write(sitedir)"` + # + case $am_cv_python_pythondir in + $am_py_prefix*) + am__strip_prefix=`echo "$am_py_prefix" | sed 's|.|.|g'` + am_cv_python_pythondir=`echo "$am_cv_python_pythondir" | sed "s,^$am__strip_prefix,\\${PYTHON_PREFIX},"` + ;; + *) + case $am_py_prefix in + /usr|/System*) ;; + *) am_cv_python_pythondir="\${PYTHON_PREFIX}/lib/python$PYTHON_VERSION/site-packages" + ;; + esac + ;; + esac + ]) + AC_SUBST([pythondir], [$am_cv_python_pythondir]) + + dnl 2. pkgpythondir: $PACKAGE directory under pythondir. Was + dnl PYTHON_SITE_PACKAGE in previous betas, but this naming is + dnl more consistent with the rest of automake. + dnl + AC_SUBST([pkgpythondir], [\${pythondir}/$PACKAGE]) + + dnl 3. pyexecdir: directory for installing python extension modules + dnl (shared libraries). + dnl Query distutils for this directory. + dnl + AC_CACHE_CHECK([for $am_display_PYTHON extension module directory (pyexecdir)], + [am_cv_python_pyexecdir], + [if test "x$am_cv_python_exec_prefix" = x; then + am_py_exec_prefix=$am__usable_exec_prefix + else + am_py_exec_prefix=$am_cv_python_exec_prefix + fi + am_cv_python_pyexecdir=`$PYTHON -c " +$am_python_setup_sysconfig +if can_use_sysconfig: + sitedir = sysconfig.get_path('platlib', vars={'platbase':'$am_py_exec_prefix'}) +else: + from distutils import sysconfig + sitedir = sysconfig.get_python_lib(1, 0, prefix='$am_py_exec_prefix') +sys.stdout.write(sitedir)"` + # + case $am_cv_python_pyexecdir in + $am_py_exec_prefix*) + am__strip_prefix=`echo "$am_py_exec_prefix" | sed 's|.|.|g'` + am_cv_python_pyexecdir=`echo "$am_cv_python_pyexecdir" | sed "s,^$am__strip_prefix,\\${PYTHON_EXEC_PREFIX},"` + ;; + *) + case $am_py_exec_prefix in + /usr|/System*) ;; + *) am_cv_python_pyexecdir="\${PYTHON_EXEC_PREFIX}/lib/python$PYTHON_VERSION/site-packages" + ;; + esac + ;; + esac + ]) + AC_SUBST([pyexecdir], [$am_cv_python_pyexecdir]) + + dnl 4. pkgpyexecdir: $(pyexecdir)/$(PACKAGE) + dnl + AC_SUBST([pkgpyexecdir], [\${pyexecdir}/$PACKAGE]) + + dnl Run any user-specified action. + $2 + fi +]) + + +# AM_PYTHON_CHECK_VERSION(PROG, VERSION, [ACTION-IF-TRUE], [ACTION-IF-FALSE]) +# --------------------------------------------------------------------------- +# Run ACTION-IF-TRUE if the Python interpreter PROG has version >= VERSION. +# Run ACTION-IF-FALSE otherwise. +# This test uses sys.hexversion instead of the string equivalent (first +# word of sys.version), in order to cope with versions such as 2.2c1. +# This supports Python 2.0 or higher. (2.0 was released on October 16, 2000). +AC_DEFUN([AM_PYTHON_CHECK_VERSION], + [prog="import sys +# split strings by '.' and convert to numeric. Append some zeros +# because we need at least 4 digits for the hex conversion. +# map returns an iterator in Python 3.0 and a list in 2.x +minver = list(map(int, '$2'.split('.'))) + [[0, 0, 0]] +minverhex = 0 +# xrange is not present in Python 3.0 and range returns an iterator +for i in list(range(0, 4)): minverhex = (minverhex << 8) + minver[[i]] +sys.exit(sys.hexversion < minverhex)" + AS_IF([AM_RUN_LOG([$1 -c "$prog"])], [$3], [$4])]) + +# Copyright (C) 2001-2021 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# AM_RUN_LOG(COMMAND) +# ------------------- +# Run COMMAND, save the exit status in ac_status, and log it. +# (This has been adapted from Autoconf's _AC_RUN_LOG macro.) +AC_DEFUN([AM_RUN_LOG], +[{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD + ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD + (exit $ac_status); }]) + +# Check to make sure that the build environment is sane. -*- Autoconf -*- + +# Copyright (C) 1996-2021 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# AM_SANITY_CHECK +# --------------- +AC_DEFUN([AM_SANITY_CHECK], +[AC_MSG_CHECKING([whether build environment is sane]) +# Reject unsafe characters in $srcdir or the absolute working directory +# name. Accept space and tab only in the latter. +am_lf=' +' +case `pwd` in + *[[\\\"\#\$\&\'\`$am_lf]]*) + AC_MSG_ERROR([unsafe absolute working directory name]);; +esac +case $srcdir in + *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*) + AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);; +esac + +# Do 'set' in a subshell so we don't clobber the current shell's +# arguments. Must try -L first in case configure is actually a +# symlink; some systems play weird games with the mod time of symlinks +# (eg FreeBSD returns the mod time of the symlink's containing +# directory). +if ( + am_has_slept=no + for am_try in 1 2; do + echo "timestamp, slept: $am_has_slept" > conftest.file + set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null` + if test "$[*]" = "X"; then + # -L didn't work. + set X `ls -t "$srcdir/configure" conftest.file` + fi + if test "$[*]" != "X $srcdir/configure conftest.file" \ + && test "$[*]" != "X conftest.file $srcdir/configure"; then + + # If neither matched, then we have a broken ls. This can happen + # if, for instance, CONFIG_SHELL is bash and it inherits a + # broken ls alias from the environment. This has actually + # happened. Such a system could not be considered "sane". + AC_MSG_ERROR([ls -t appears to fail. 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This is especially +# annoying in cross-compiling environments, where the build's strip +# is unlikely to handle the host's binaries. +# Fortunately install-sh will honor a STRIPPROG variable, so we +# always use install-sh in "make install-strip", and initialize +# STRIPPROG with the value of the STRIP variable (set by the user). +AC_DEFUN([AM_PROG_INSTALL_STRIP], +[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl +# Installed binaries are usually stripped using 'strip' when the user +# run "make install-strip". However 'strip' might not be the right +# tool to use in cross-compilation environments, therefore Automake +# will honor the 'STRIP' environment variable to overrule this program. +dnl Don't test for $cross_compiling = yes, because it might be 'maybe'. +if test "$cross_compiling" != no; then + AC_CHECK_TOOL([STRIP], [strip], :) +fi +INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s" +AC_SUBST([INSTALL_STRIP_PROGRAM])]) + +# Copyright (C) 2006-2021 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# _AM_SUBST_NOTMAKE(VARIABLE) +# --------------------------- +# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in. +# This macro is traced by Automake. +AC_DEFUN([_AM_SUBST_NOTMAKE]) + +# AM_SUBST_NOTMAKE(VARIABLE) +# -------------------------- +# Public sister of _AM_SUBST_NOTMAKE. +AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)]) + +# Check how to create a tarball. -*- Autoconf -*- + +# Copyright (C) 2004-2021 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# _AM_PROG_TAR(FORMAT) +# -------------------- +# Check how to create a tarball in format FORMAT. +# FORMAT should be one of 'v7', 'ustar', or 'pax'. +# +# Substitute a variable $(am__tar) that is a command +# writing to stdout a FORMAT-tarball containing the directory +# $tardir. +# tardir=directory && $(am__tar) > result.tar +# +# Substitute a variable $(am__untar) that extract such +# a tarball read from stdin. +# $(am__untar) < result.tar +# +AC_DEFUN([_AM_PROG_TAR], +[# Always define AMTAR for backward compatibility. Yes, it's still used +# in the wild :-( We should find a proper way to deprecate it ... +AC_SUBST([AMTAR], ['$${TAR-tar}']) + +# We'll loop over all known methods to create a tar archive until one works. +_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none' + +m4_if([$1], [v7], + [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'], + + [m4_case([$1], + [ustar], + [# The POSIX 1988 'ustar' format is defined with fixed-size fields. + # There is notably a 21 bits limit for the UID and the GID. In fact, + # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343 + # and bug#13588). + am_max_uid=2097151 # 2^21 - 1 + am_max_gid=$am_max_uid + # The $UID and $GID variables are not portable, so we need to resort + # to the POSIX-mandated id(1) utility. Errors in the 'id' calls + # below are definitely unexpected, so allow the users to see them + # (that is, avoid stderr redirection). + am_uid=`id -u || echo unknown` + am_gid=`id -g || echo unknown` + AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format]) + if test $am_uid -le $am_max_uid; then + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + _am_tools=none + fi + AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format]) + if test $am_gid -le $am_max_gid; then + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + _am_tools=none + fi], + + [pax], + [], + + [m4_fatal([Unknown tar format])]) + + AC_MSG_CHECKING([how to create a $1 tar archive]) + + # Go ahead even if we have the value already cached. We do so because we + # need to set the values for the 'am__tar' and 'am__untar' variables. + _am_tools=${am_cv_prog_tar_$1-$_am_tools} + + for _am_tool in $_am_tools; do + case $_am_tool in + gnutar) + for _am_tar in tar gnutar gtar; do + AM_RUN_LOG([$_am_tar --version]) && break + done + am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"' + am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"' + am__untar="$_am_tar -xf -" + ;; + plaintar) + # Must skip GNU tar: if it does not support --format= it doesn't create + # ustar tarball either. + (tar --version) >/dev/null 2>&1 && continue + am__tar='tar chf - "$$tardir"' + am__tar_='tar chf - "$tardir"' + am__untar='tar xf -' + ;; + pax) + am__tar='pax -L -x $1 -w "$$tardir"' + am__tar_='pax -L -x $1 -w "$tardir"' + am__untar='pax -r' + ;; + cpio) + am__tar='find "$$tardir" -print | cpio -o -H $1 -L' + am__tar_='find "$tardir" -print | cpio -o -H $1 -L' + am__untar='cpio -i -H $1 -d' + ;; + none) + am__tar=false + am__tar_=false + am__untar=false + ;; + esac + + # If the value was cached, stop now. 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