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dnl GnuPG's check for Pth.
dnl Copyright (C) 2003 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.
# GNUPG_PTH_VERSION_CHECK(REQUIRED)
#
# If the version is sufficient, HAVE_PTH will be set to yes.
#
# Taken and modified from the m4 macros which come with Pth.
AC_DEFUN([GNUPG_PTH_VERSION_CHECK],
[
_pth_version=`$PTH_CONFIG --version | awk 'NR==1 {print [$]3}'`
_req_version="ifelse([$1],,1.2.0,$1)"
AC_MSG_CHECKING(for PTH - version >= $_req_version)
for _var in _pth_version _req_version; do
eval "_val=\"\$${_var}\""
_major=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\1/'`
_minor=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\2/'`
_rtype=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\3/'`
_micro=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\4/'`
case $_rtype in
"a" ) _rtype=0 ;;
"b" ) _rtype=1 ;;
"." ) _rtype=2 ;;
esac
_hex=`echo dummy | awk '{ printf("%d%02d%1d%02d", major, minor, rtype, micro); }' \
"major=$_major" "minor=$_minor" "rtype=$_rtype" "micro=$_micro"`
eval "${_var}_hex=\"\$_hex\""
done
have_pth=no
if test ".$_pth_version_hex" != .; then
if test ".$_req_version_hex" != .; then
if test $_pth_version_hex -ge $_req_version_hex; then
have_pth=yes
fi
fi
fi
if test $have_pth = yes; then
AC_MSG_RESULT(yes)
AC_MSG_CHECKING([whether PTH installation is sane])
AC_CACHE_VAL(gnupg_cv_pth_is_sane,[
_gnupg_pth_save_cflags=$CFLAGS
_gnupg_pth_save_ldflags=$LDFLAGS
_gnupg_pth_save_libs=$LIBS
CFLAGS="$CFLAGS `$PTH_CONFIG --cflags`"
LDFLAGS="$LDFLAGS `$PTH_CONFIG --ldflags`"
LIBS="$LIBS `$PTH_CONFIG --libs --all`"
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pth.h>
],
[[ pth_init ();]])],
gnupg_cv_pth_is_sane=yes,
gnupg_cv_pth_is_sane=no)
CFLAGS=$_gnupg_pth_save_cflags
LDFLAGS=$_gnupg_pth_save_ldflags
LIBS=$_gnupg_pth_save_libs
])
if test $gnupg_cv_pth_is_sane != yes; then
have_pth=no
fi
AC_MSG_RESULT($gnupg_cv_pth_is_sane)
else
AC_MSG_RESULT(no)
fi
])
# GNUPG_PATH_PTH([MINIMUM_VERSION])
#
# On return $have_pth is set as well as HAVE_PTH is defined and
# PTH_CLFAGS and PTH_LIBS are AS_SUBST.
#
AC_DEFUN([GNUPG_PATH_PTH],
[ AC_ARG_WITH(pth-prefix,
AC_HELP_STRING([--with-pth-prefix=PFX],
[prefix where GNU Pth is installed (optional)]),
pth_config_prefix="$withval", pth_config_prefix="")
if test x$pth_config_prefix != x ; then
PTH_CONFIG="$pth_config_prefix/bin/pth-config"
fi
AC_PATH_PROG(PTH_CONFIG, pth-config, no)
tmp=ifelse([$1], ,1.3.7,$1)
if test "$PTH_CONFIG" != "no"; then
GNUPG_PTH_VERSION_CHECK($tmp)
if test $have_pth = yes; then
PTH_CFLAGS=`$PTH_CONFIG --cflags`
PTH_LIBS=`$PTH_CONFIG --ldflags`
PTH_LIBS="$PTH_LIBS `$PTH_CONFIG --libs --all`"
AC_DEFINE(HAVE_PTH, 1,
[Defined if the GNU Pth is available])
fi
fi
AC_SUBST(PTH_CFLAGS)
AC_SUBST(PTH_LIBS)
])

File Metadata

Mime Type
text/x-m4
Expires
Sun, Feb 23, 8:10 PM (59 m, 47 s)
Storage Engine
local-disk
Storage Format
Raw Data
Storage Handle
3b/08/955db75ceb888ab5d789b6dc05e8

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