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c4e6b6aba2
* m4/gpg-error.m4: Update libgpg-error master. * m4/libassuan.m4: Update libassuan master. * m4/libgcrypt.m4: Update libgcrypt master. * m4/ksba.m4: Update libksba master. -- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
255 lines
9.4 KiB
Plaintext
255 lines
9.4 KiB
Plaintext
# libgcrypt.m4 - Autoconf macros to detect libgcrypt
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# Copyright (C) 2002, 2003, 2004, 2011, 2014, 2018, 2020,
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# 2024 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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#
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# Last-changed: 2024-06-13
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dnl
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dnl Find gpgrt-config, which uses .pc file
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dnl (minimum pkg-config functionality, supporting cross build)
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dnl
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dnl _AM_PATH_GPGRT_CONFIG
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AC_DEFUN([_AM_PATH_GPGRT_CONFIG],[dnl
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AC_PATH_PROG(GPGRT_CONFIG, gpgrt-config, no, [$prefix/bin:$PATH])
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if test "$GPGRT_CONFIG" != "no"; then
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# Determine gpgrt_libdir
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#
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# Get the prefix of gpgrt-config assuming it's something like:
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# <PREFIX>/bin/gpgrt-config
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gpgrt_prefix=${GPGRT_CONFIG%/*/*}
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possible_libdir1=${gpgrt_prefix}/lib
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# Determine by using system libdir-format with CC, it's like:
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# Normal style: /usr/lib
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# GNU cross style: /usr/<triplet>/lib
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# Debian style: /usr/lib/<multiarch-name>
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# Fedora/openSUSE style: /usr/lib, /usr/lib32 or /usr/lib64
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# It is assumed that CC is specified to the one of host on cross build.
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if libdir_candidates=$(${CC:-cc} -print-search-dirs | \
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sed -n -e "/^libraries/{s/libraries: =//;s/:/\\
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/g;p;}"); then
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# From the output of -print-search-dirs, select valid pkgconfig dirs.
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libdir_candidates=$(for dir in $libdir_candidates; do
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if p=$(cd $dir 2>/dev/null && pwd); then
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test -d "$p/pkgconfig" && echo $p;
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fi
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done)
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for possible_libdir0 in $libdir_candidates; do
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# possible_libdir0:
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# Fallback candidate, the one of system-installed (by $CC)
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# (/usr/<triplet>/lib, /usr/lib/<multiarch-name> or /usr/lib32)
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# possible_libdir1:
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# Another candidate, user-locally-installed
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# (<gpgrt_prefix>/lib)
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# possible_libdir2
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# Most preferred
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# (<gpgrt_prefix>/<triplet>/lib,
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# <gpgrt_prefix>/lib/<multiarch-name> or <gpgrt_prefix>/lib32)
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if test "${possible_libdir0##*/}" = "lib"; then
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possible_prefix0=${possible_libdir0%/lib}
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possible_prefix0_triplet=${possible_prefix0##*/}
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if test -z "$possible_prefix0_triplet"; then
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continue
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fi
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possible_libdir2=${gpgrt_prefix}/$possible_prefix0_triplet/lib
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else
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possible_prefix0=${possible_libdir0%%/lib*}
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possible_libdir2=${gpgrt_prefix}${possible_libdir0#$possible_prefix0}
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fi
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if test -f ${possible_libdir2}/pkgconfig/gpg-error.pc; then
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gpgrt_libdir=${possible_libdir2}
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elif test -f ${possible_libdir1}/pkgconfig/gpg-error.pc; then
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gpgrt_libdir=${possible_libdir1}
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elif test -f ${possible_libdir0}/pkgconfig/gpg-error.pc; then
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gpgrt_libdir=${possible_libdir0}
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fi
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if test -n "$gpgrt_libdir"; then break; fi
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done
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fi
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if test -z "$gpgrt_libdir"; then
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# No valid pkgconfig dir in any of the system directories, fallback
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gpgrt_libdir=${possible_libdir1}
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fi
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else
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unset GPGRT_CONFIG
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fi
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if test -n "$gpgrt_libdir"; then
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# Add the --libdir option to GPGRT_CONFIG
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GPGRT_CONFIG="$GPGRT_CONFIG --libdir=$gpgrt_libdir"
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# Make sure if gpgrt-config really works, by testing config gpg-error
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if ! $GPGRT_CONFIG gpg-error --exists; then
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# If it doesn't work, clear the GPGRT_CONFIG variable.
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unset GPGRT_CONFIG
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fi
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else
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# GPGRT_CONFIG found but no suitable dir for --libdir found.
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# This is a failure. Clear the GPGRT_CONFIG variable.
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unset GPGRT_CONFIG
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fi
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])
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dnl AM_PATH_LIBGCRYPT([MINIMUM-VERSION,
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dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
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dnl Test for libgcrypt and define LIBGCRYPT_CFLAGS and LIBGCRYPT_LIBS.
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dnl MINIMUM-VERSION is a string with the version number optionally prefixed
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dnl with the API version to also check the API compatibility. Example:
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dnl a MINIMUM-VERSION of 1:1.2.5 won't pass the test unless the installed
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dnl version of libgcrypt is at least 1.2.5 *and* the API number is 1. Using
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dnl this features allows to prevent build against newer versions of libgcrypt
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dnl with a changed API.
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dnl
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dnl If a prefix option is not used, the config script is first
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dnl searched in $SYSROOT/bin and then along $PATH. If the used
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dnl config script does not match the host specification the script
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dnl is added to the gpg_config_script_warn variable.
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dnl
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AC_DEFUN([AM_PATH_LIBGCRYPT],
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[ AC_REQUIRE([AC_CANONICAL_HOST])dnl
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AC_REQUIRE([_AM_PATH_GPGRT_CONFIG])dnl
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AC_ARG_WITH(libgcrypt-prefix,
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AS_HELP_STRING([--with-libgcrypt-prefix=PFX],
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[prefix where LIBGCRYPT is installed (optional)]),
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libgcrypt_config_prefix="$withval", libgcrypt_config_prefix="")
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if test x"${LIBGCRYPT_CONFIG}" = x ; then
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if test x"${libgcrypt_config_prefix}" != x ; then
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LIBGCRYPT_CONFIG="${libgcrypt_config_prefix}/bin/libgcrypt-config"
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fi
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fi
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use_gpgrt_config=""
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if test x"$GPGRT_CONFIG" != x -a "$GPGRT_CONFIG" != "no"; then
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if $GPGRT_CONFIG libgcrypt --exists; then
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LIBGCRYPT_CONFIG="$GPGRT_CONFIG libgcrypt"
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AC_MSG_NOTICE([Use gpgrt-config as libgcrypt-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 "$use_gpgrt_config"; then
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if test x"${LIBGCRYPT_CONFIG}" = x ; then
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case "${SYSROOT}" in
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/*)
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if test -x "${SYSROOT}/bin/libgcrypt-config" ; then
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LIBGCRYPT_CONFIG="${SYSROOT}/bin/libgcrypt-config"
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fi
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;;
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'')
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;;
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*)
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AC_MSG_WARN([Ignoring \$SYSROOT as it is not an absolute path.])
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;;
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esac
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fi
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AC_PATH_PROG(LIBGCRYPT_CONFIG, libgcrypt-config, no)
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fi
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tmp=ifelse([$1], ,1:1.2.0,$1)
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if echo "$tmp" | grep ':' >/dev/null 2>/dev/null ; then
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req_libgcrypt_api=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\1/'`
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min_libgcrypt_version=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\2/'`
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else
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req_libgcrypt_api=0
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min_libgcrypt_version="$tmp"
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fi
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AC_MSG_CHECKING(for LIBGCRYPT - version >= $min_libgcrypt_version)
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ok=no
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if test "$LIBGCRYPT_CONFIG" != "no" ; then
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req_major=`echo $min_libgcrypt_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
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req_minor=`echo $min_libgcrypt_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
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req_micro=`echo $min_libgcrypt_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
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if test -z "$use_gpgrt_config"; then
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libgcrypt_config_version=`$LIBGCRYPT_CONFIG --version`
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else
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libgcrypt_config_version=`$LIBGCRYPT_CONFIG --modversion`
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fi
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major=`echo $libgcrypt_config_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
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minor=`echo $libgcrypt_config_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
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micro=`echo $libgcrypt_config_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`
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if test "$major" -gt "$req_major"; then
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ok=yes
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else
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if test "$major" -eq "$req_major"; then
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if test "$minor" -gt "$req_minor"; then
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ok=yes
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else
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if test "$minor" -eq "$req_minor"; then
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if test "$micro" -ge "$req_micro"; 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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fi
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if test $ok = yes; then
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AC_MSG_RESULT([yes ($libgcrypt_config_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 $ok = yes; then
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# If we have a recent libgcrypt, we should also check that the
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# API is compatible
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if test "$req_libgcrypt_api" -gt 0 ; then
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if test -z "$use_gpgrt_config"; then
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tmp=`$LIBGCRYPT_CONFIG --api-version 2>/dev/null || echo 0`
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else
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tmp=`$LIBGCRYPT_CONFIG --variable=api_version 2>/dev/null || echo 0`
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fi
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if test "$tmp" -gt 0 ; then
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AC_MSG_CHECKING([LIBGCRYPT API version])
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if test "$req_libgcrypt_api" -eq "$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=$req_libgcrypt_api got=$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 $ok = yes; then
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LIBGCRYPT_CFLAGS=`$LIBGCRYPT_CONFIG --cflags`
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LIBGCRYPT_LIBS=`$LIBGCRYPT_CONFIG --libs`
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ifelse([$2], , :, [$2])
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if test -z "$use_gpgrt_config"; then
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libgcrypt_config_host=`$LIBGCRYPT_CONFIG --host 2>/dev/null || echo none`
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else
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libgcrypt_config_host=`$LIBGCRYPT_CONFIG --variable=host 2>/dev/null || echo none`
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fi
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if test x"$libgcrypt_config_host" != xnone ; then
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if test x"$libgcrypt_config_host" != x"$host" ; then
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AC_MSG_WARN([[
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***
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*** The config script "$LIBGCRYPT_CONFIG" was
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*** built for $libgcrypt_config_host and thus may not match the
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*** used host $host.
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*** You may want to use the configure option --with-libgcrypt-prefix
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*** to specify a matching config script or use \$SYSROOT.
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***]])
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gpg_config_script_warn="$gpg_config_script_warn libgcrypt"
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fi
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fi
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else
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LIBGCRYPT_CFLAGS=""
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LIBGCRYPT_LIBS=""
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ifelse([$3], , :, [$3])
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fi
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AC_SUBST(LIBGCRYPT_CFLAGS)
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AC_SUBST(LIBGCRYPT_LIBS)
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])
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