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106 lines
3.8 KiB
Plaintext
106 lines
3.8 KiB
Plaintext
dnl GnuPG's check for Pth.
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dnl Copyright (C) 2003 Free Software Foundation, Inc.
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dnl
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dnl This file is free software; as a special exception the author gives
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dnl unlimited permission to copy and/or distribute it, with or without
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dnl modifications, as long as this notice is preserved.
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dnl
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dnl This file is distributed in the hope that it will be useful, but
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dnl WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
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dnl implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# GNUPG_PTH_VERSION_CHECK(REQUIRED)
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#
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# If the version is sufficient, HAVE_PTH will be set to yes.
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#
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# Taken and modified from the m4 macros which come with Pth.
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AC_DEFUN([GNUPG_PTH_VERSION_CHECK],
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[
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_pth_version=`$PTH_CONFIG --version | awk 'NR==1 {print [$]3}'`
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_req_version="ifelse([$1],,1.2.0,$1)"
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AC_MSG_CHECKING(for PTH - version >= $_req_version)
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for _var in _pth_version _req_version; do
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eval "_val=\"\$${_var}\""
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_major=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\1/'`
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_minor=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\2/'`
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_rtype=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\3/'`
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_micro=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\4/'`
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case $_rtype in
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"a" ) _rtype=0 ;;
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"b" ) _rtype=1 ;;
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"." ) _rtype=2 ;;
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esac
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_hex=`echo dummy | awk '{ printf("%d%02d%1d%02d", major, minor, rtype, micro); }' \
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"major=$_major" "minor=$_minor" "rtype=$_rtype" "micro=$_micro"`
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eval "${_var}_hex=\"\$_hex\""
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done
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have_pth=no
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if test ".$_pth_version_hex" != .; then
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if test ".$_req_version_hex" != .; then
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if test $_pth_version_hex -ge $_req_version_hex; then
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have_pth=yes
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fi
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fi
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fi
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if test $have_pth = yes; then
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AC_MSG_RESULT(yes)
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AC_MSG_CHECKING([whether PTH installation is sane])
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AC_CACHE_VAL(gnupg_cv_pth_is_sane,[
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_gnupg_pth_save_cflags=$CFLAGS
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_gnupg_pth_save_ldflags=$LDFLAGS
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_gnupg_pth_save_libs=$LIBS
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CFLAGS="$CFLAGS `$PTH_CONFIG --cflags`"
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LDFLAGS="$LDFLAGS `$PTH_CONFIG --ldflags`"
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LIBS="$LIBS `$PTH_CONFIG --libs --all`"
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AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pth.h>
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],
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[[ pth_init ();]])],
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gnupg_cv_pth_is_sane=yes,
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gnupg_cv_pth_is_sane=no)
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CFLAGS=$_gnupg_pth_save_cflags
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LDFLAGS=$_gnupg_pth_save_ldflags
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LIBS=$_gnupg_pth_save_libs
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])
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if test $gnupg_cv_pth_is_sane != yes; then
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have_pth=no
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fi
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AC_MSG_RESULT($gnupg_cv_pth_is_sane)
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else
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AC_MSG_RESULT(no)
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fi
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])
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# GNUPG_PATH_PTH([MINIMUM_VERSION])
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#
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# On return $have_pth is set as well as HAVE_PTH is defined and
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# PTH_CLFAGS and PTH_LIBS are AS_SUBST.
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#
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AC_DEFUN([GNUPG_PATH_PTH],
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[ AC_ARG_WITH(pth-prefix,
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AC_HELP_STRING([--with-pth-prefix=PFX],
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[prefix where GNU Pth is installed (optional)]),
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pth_config_prefix="$withval", pth_config_prefix="")
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if test x$pth_config_prefix != x ; then
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PTH_CONFIG="$pth_config_prefix/bin/pth-config"
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fi
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AC_PATH_PROG(PTH_CONFIG, pth-config, no)
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tmp=ifelse([$1], ,1.3.7,$1)
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if test "$PTH_CONFIG" != "no"; then
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GNUPG_PTH_VERSION_CHECK($tmp)
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if test $have_pth = yes; then
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PTH_CFLAGS=`$PTH_CONFIG --cflags`
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PTH_LIBS=`$PTH_CONFIG --ldflags`
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PTH_LIBS="$PTH_LIBS `$PTH_CONFIG --libs --all`"
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AC_DEFINE(HAVE_PTH, 1,
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[Defined if the GNU Pth is available])
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fi
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fi
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AC_SUBST(PTH_CFLAGS)
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AC_SUBST(PTH_LIBS)
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])
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