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# CFLAGS and library paths for wzdftpd
# Roman Bogorodskiy <bogorodskiy@inbox.ru>
# $Header: /cvsroot/wzdftpd/wzd.m4,v 1.2 2004/08/11 16:03:32 novel Exp $
dnl Usage:
dnl AM_PATH_WZD([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
dnl
dnl Example:
dnl AM_PATH_WZD(0.4.0, , AC_MSG_ERROR([*** wzdftpd >= 0.4.0 not installed - please install first ***]))
dnl
dnl Defines WZD_CFLAGS, WZD_LIBS WZD_VERSION
dnl
dnl WZD_TEST_VERSION(AVAILABLE-VERSION, NEEDED-VERSION [, ACTION-IF-OKAY [, ACTION-IF-NOT-OKAY]])
AC_DEFUN(WZD_TEST_VERSION, [
# Determine which version number is greater. Prints 2 to stdout if
# the second number is greater, 1 if the first number is greater,
# 0 if the numbers are equal.
# Written 15 December 1999 by Ben Gertzfield <che@debian.org>
# Revised 15 December 1999 by Jim Monty <monty@primenet.com>
AC_PROG_AWK
wzd_got_version=[` $AWK ' \
BEGIN { \
print vercmp(ARGV[1], ARGV[2]); \
} \
\
function vercmp(ver1, ver2, ver1arr, ver2arr, \
ver1len, ver2len, \
ver1int, ver2int, len, i, p) { \
\
ver1len = split(ver1, ver1arr, /\./); \
ver2len = split(ver2, ver2arr, /\./); \
\
len = ver1len > ver2len ? ver1len : ver2len; \
\
for (i = 1; i <= len; i++) { \
p = 1000 ^ (len - i); \
ver1int += ver1arr[i] * p; \
ver2int += ver2arr[i] * p; \
} \
\
if (ver1int < ver2int) \
return 2; \
else if (ver1int > ver2int) \
return 1; \
else \
return 0; \
}' $1 $2`]
if test $wzd_got_version -eq 2; then # failure
ifelse([$4], , :, $4)
else # success!
ifelse([$3], , :, $3)
fi
])
AC_DEFUN(AM_PATH_WZD,
[
AC_ARG_WITH(wzd-prefix,[ --with-wzd-prefix=PFX Prefix where wzdftpd is installed (optional)],
wzd_config_prefix="$withval", wzd_config_prefix="")
AC_ARG_WITH(wzd-exec-prefix,[ --with-wzd-exec-prefix=PFX Exec prefix where wzdftpd is installed (optional)],
wzd_config_exec_prefix="$withval", wzd_config_exec_prefix="")
if test x$wzd_config_exec_prefix != x; then
wzd_config_args="$wzd_config_args --exec-prefix=$wzd_config_exec_prefix"
if test x${WZD_CONFIG+set} != xset; then
WZD_CONFIG=$wzd_config_exec_prefix/bin/wzd-config
fi
fi
if test x$wzd_config_prefix != x; then
wzd_config_args="$wzd_config_args --prefix=$wzd_config_prefix"
if test x${WZD_CONFIG+set} != xset; then
WZD_CONFIG=$wzd_config_prefix/bin/wzd-config
fi
fi
AC_PATH_PROG(WZD_CONFIG, wzd-config, no)
min_wzd_version=ifelse([$1], ,0.4.0, $1)
if test "$WZD_CONFIG" = "no"; then
no_wzd=yes
else
WZD_CFLAGS=`$WZD_CONFIG $wzd_config_args --cflags`
WZD_LIBS=`$WZD_CONFIG $wzd_config_args --libs`
WZD_VERSION=`$WZD_CONFIG $wzd_config_args --version`
WZD_TEST_VERSION($WZD_VERSION, $min_wzd_version, ,no_wzd=version)
fi
AC_MSG_CHECKING(for wzdftpd version >= $min_wzd_version)
if test "x$no_wzd" = x; then
AC_MSG_RESULT(yes)
ifelse([$2], , :, [$2])
else
AC_MSG_RESULT(no)
if test "$WZD_CONFIG" = "no" ; then
echo "*** The wzd-config script installed by wzdftpd could not be found."
echo "*** If wzdftpd was installed in PREFIX, make sure PREFIX/bin is in"
echo "*** your path, or set the WZD_CONFIG environment variable to the"
echo "*** full path to wzd-config."
else
if test "$no_wzd" = "version"; then
echo "*** An old version of wzdftpd, $WZD_VERSION, was found."
echo "*** You need a version of wzdftpd newer than $min_wzd_version."
echo "*** The latest version of wzdftpd is always available from"
echo "*** http://wzdftpd.net"
echo "***"
fi
fi
WZD_CFLAGS=""
WZD_LIBS=""
ifelse([$3], , :, [$3])
fi
AC_SUBST(WZD_CFLAGS)
AC_SUBST(WZD_LIBS)
AC_SUBST(WZD_VERSION)
])
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