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dnl Autoconf macros for NTBTLS
dnl Copyright (C) 2002, 2004, 2011 Free Software Foundation, Inc.
dnl
dnl This file is free software; as a special exception the author gives
dnl unlimited permission to copy and/or distribute it, with or without
dnl modifications, as long as this notice is preserved.
dnl
dnl This file is distributed in the hope that it will be useful, but
dnl WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
dnl implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
dnl AM_PATH_NTBTLS([MINIMUM-VERSION,
dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
dnl
dnl Test for NTBTLS and define NTBTLS_CFLAGS and NTBTLS_LIBS.
dnl MINIMUM-VERSION is a string with the version number optionalliy prefixed
dnl with the API version to also check the API compatibility. Example:
dnl a MINIMUM-VERSION of 1:1.2.5 won't pass the test unless the installed
dnl version of ntbtls is at least 1.2.5 *and* the API number is 1. Using
dnl this feature prevents building against newer versions of ntbtls
dnl with a changed API.
dnl
AC_DEFUN([AM_PATH_NTBTLS],
[ AC_REQUIRE([AC_CANONICAL_HOST])
AC_ARG_WITH(ntbtls-prefix,
AC_HELP_STRING([--with-ntbtls-prefix=PFX],
[prefix where NTBTLS is installed (optional)]),
ntbtls_config_prefix="$withval", ntbtls_config_prefix="")
if test x"${NTBTLS_CONFIG}" = x ; then
if test x"${ntbtls_config_prefix}" != x ; then
NTBTLS_CONFIG="${ntbtls_config_prefix}/bin/ntbtls-config"
else
case "${SYSROOT}" in
/*)
if test -x "${SYSROOT}/bin/ntbtls-config" ; then
NTBTLS_CONFIG="${SYSROOT}/bin/ntbtls-config"
fi
;;
'')
;;
*)
AC_MSG_WARN([Ignoring \$SYSROOT as it is not an absolute path.])
;;
esac
fi
fi
AC_PATH_PROG(NTBTLS_CONFIG, ntbtls-config, no)
tmp=ifelse([$1], ,1:1.0.0,$1)
if echo "$tmp" | grep ':' >/dev/null 2>/dev/null ; then
req_ntbtls_api=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\1/'`
min_ntbtls_version=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\2/'`
else
req_ntbtls_api=0
min_ntbtls_version="$tmp"
fi
AC_MSG_CHECKING(for NTBTLS - version >= $min_ntbtls_version)
ok=no
if test "$NTBTLS_CONFIG" != "no" ; then
req_major=`echo $min_ntbtls_version | \
sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
req_minor=`echo $min_ntbtls_version | \
sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
req_micro=`echo $min_ntbtls_version | \
sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
ntbtls_config_version=`$NTBTLS_CONFIG --version`
major=`echo $ntbtls_config_version | \
sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
minor=`echo $ntbtls_config_version | \
sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
micro=`echo $ntbtls_config_version | \
sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`
if test "$major" -gt "$req_major"; then
ok=yes
else
if test "$major" -eq "$req_major"; then
if test "$minor" -gt "$req_minor"; then
ok=yes
else
if test "$minor" -eq "$req_minor"; then
if test "$micro" -ge "$req_micro"; then
ok=yes
fi
fi
fi
fi
fi
fi
if test $ok = yes; then
AC_MSG_RESULT([yes ($ntbtls_config_version)])
else
AC_MSG_RESULT(no)
fi
if test $ok = yes; then
# If we have a recent ntbtls, we should also check that the
# API is compatible
if test "$req_ntbtls_api" -gt 0 ; then
tmp=`$NTBTLS_CONFIG --api-version 2>/dev/null || echo 0`
if test "$tmp" -gt 0 ; then
AC_MSG_CHECKING([NTBTLS API version])
if test "$req_ntbtls_api" -eq "$tmp" ; then
AC_MSG_RESULT([okay])
else
ok=no
AC_MSG_RESULT([does not match. want=$req_ntbtls_api got=$tmp])
fi
fi
fi
fi
if test $ok = yes; then
NTBTLS_CFLAGS=`$NTBTLS_CONFIG --cflags`
NTBTLS_LIBS=`$NTBTLS_CONFIG --libs`
ifelse([$2], , :, [$2])
ntbtls_config_host=`$NTBTLS_CONFIG --host 2>/dev/null || echo none`
if test x"$ntbtls_config_host" != xnone ; then
if test x"$ntbtls_config_host" != x"$host" ; then
AC_MSG_WARN([[
***
*** The config script $NTBTLS_CONFIG was
*** built for $ntbtls_config_host and thus may not match the
*** used host $host.
*** You may want to use the configure option --with-ntbtls-prefix
*** to specify a matching config script or use \$SYSROOT.
***]])
gpg_config_script_warn="$gpg_config_script_warn ntbtls"
fi
fi
else
NTBTLS_CFLAGS=""
NTBTLS_LIBS=""
ifelse([$3], , :, [$3])
fi
AC_SUBST(NTBTLS_CFLAGS)
AC_SUBST(NTBTLS_LIBS)
])
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