mirror of git://git.gnupg.org/gnupg.git
138 lines
4.3 KiB
Plaintext
138 lines
4.3 KiB
Plaintext
# npth.m4 - autoconf macro to detect NPTH.
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# Copyright (C) 2002, 2003, 2004, 2011, 2018 g10 Code GmbH
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#
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# This file is free software; as a special exception the author gives
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# unlimited permission to copy and/or distribute it, with or without
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# modifications, as long as this notice is preserved.
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#
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# This file is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# Last-changed: 2022-11-01
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AC_DEFUN([_AM_PATH_NPTH_CONFIG],
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[ AC_ARG_WITH(npth-prefix,
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AS_HELP_STRING([--with-npth-prefix=PFX],
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[prefix where NPTH is installed (optional)]),
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npth_config_prefix="$withval", npth_config_prefix="")
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if test "x$npth_config_prefix" != x ; then
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NPTH_CONFIG="$npth_config_prefix/bin/npth-config"
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fi
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use_gpgrt_config=""
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if test x"$GPGRT_CONFIG" != x -a "$GPGRT_CONFIG" != "no"; then
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if $GPGRT_CONFIG npth --exists; then
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NPTH_CONFIG="$GPGRT_CONFIG npth"
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AC_MSG_NOTICE([Use gpgrt-config as npth-config])
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use_gpgrt_config=yes
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fi
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fi
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if test -z "$use_gpgrt_config"; then
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AC_PATH_PROG(NPTH_CONFIG, npth-config, no)
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fi
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if test "$NPTH_CONFIG" != "no" ; then
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if test -z "$use_gpgrt_config"; then
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npth_version=`$NPTH_CONFIG --version`
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else
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npth_version=`$NPTH_CONFIG --modversion`
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fi
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fi
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npth_version_major=`echo $npth_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
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npth_version_minor=`echo $npth_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
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])
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dnl AM_PATH_NPTH([MINIMUM-VERSION,
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dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
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dnl Test for libnpth and define NPTH_CFLAGS and NPTH_LIBS.
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dnl
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AC_DEFUN([AM_PATH_NPTH],
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[ AC_REQUIRE([_AM_PATH_NPTH_CONFIG])dnl
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tmp=ifelse([$1], ,1:0.91,$1)
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if echo "$tmp" | grep ':' >/dev/null 2>/dev/null ; then
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req_npth_api=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\1/'`
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min_npth_version=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\2/'`
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else
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req_npth_api=1
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min_npth_version="$tmp"
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fi
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AC_MSG_CHECKING(for NPTH - version >= $min_npth_version)
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ok=no
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if test "$NPTH_CONFIG" != "no" ; then
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req_major=`echo $min_npth_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
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req_minor=`echo $min_npth_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
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if test "$npth_version_major" -gt "$req_major"; then
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ok=yes
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else
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if test "$npth_version_major" -eq "$req_major"; then
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if test "$npth_version_minor" -gt "$req_minor"; then
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ok=yes
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else
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if test "$npth_version_minor" -eq "$req_minor"; then
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ok=yes
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fi
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fi
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fi
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fi
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fi
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if test $ok = yes; then
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AC_MSG_RESULT([yes ($npth_version)])
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else
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AC_MSG_RESULT(no)
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fi
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if test $ok = yes; then
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# If we have a recent NPTH, we should also check that the
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# API is compatible.
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if test "$req_npth_api" -gt 0 ; then
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if test -z "$use_gpgrt_config"; then
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tmp=`$NPTH_CONFIG --api-version 2>/dev/null || echo 0`
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else
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tmp=`$NPTH_CONFIG --variable=api_version 2>/dev/null || echo 0`
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fi
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if test "$tmp" -gt 0 ; then
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AC_MSG_CHECKING([NPTH API version])
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if test "$req_npth_api" -eq "$tmp" ; then
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AC_MSG_RESULT([okay])
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else
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ok=no
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AC_MSG_RESULT([does not match. want=$req_npth_api got=$tmp])
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fi
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fi
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fi
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fi
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if test $ok = yes; then
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NPTH_CFLAGS=`$NPTH_CONFIG --cflags`
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NPTH_LIBS=`$NPTH_CONFIG --libs`
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ifelse([$2], , :, [$2])
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if test -z "$use_gpgrt_config"; then
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npth_config_host=`$NPTH_CONFIG --host 2>/dev/null || echo none`
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else
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npth_config_host=`$NPTH_CONFIG --variable=host 2>/dev/null || echo none`
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fi
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if test x"$npth_config_host" != xnone ; then
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if test x"$npth_config_host" != x"$host" ; then
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AC_MSG_WARN([[
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***
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*** The config script "$NPTH_CONFIG" was
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*** built for $npth_config_host and thus may not match the
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*** used host $host.
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*** You may want to use the configure option --with-npth-prefix
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*** to specify a matching config script.
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***]])
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fi
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fi
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else
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NPTH_CFLAGS=""
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NPTH_LIBS=""
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ifelse([$3], , :, [$3])
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fi
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AC_SUBST(NPTH_CFLAGS)
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AC_SUBST(NPTH_LIBS)
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])
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