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|
# Configure paths for libsmi
# Shamelessly stolen from http://autoconf-archive.cryp.to/ax_lib_sqlite3.html
# Synopsis: AX_LIBSMI([minimum library version])
# The default minimum library version is 2
# This macro sets/substitutes the following:
# AC_DEFINE(HAVE_LIBSMI)
# AC_SUBST(LIBSMI_CFLAGS)
# AC_SUBST(LIBSMI_LDFLAGS)
# AC_SUBST(LIBSMI_VERSION)
# $libsmi_message is set to "yes" or "no"
AC_DEFUN([AX_LIBSMI],
[
AC_ARG_WITH([libsmi],
AC_HELP_STRING(
[--with-libsmi=@<:@DIR@:>@],
[use libsmi MIB/PIB library @<:@default=yes@:>@, optionally specify the prefix for libsmi]
),
[
if test "$withval" = "no"; then
WANT_LIBSMI="no"
elif test "$withval" = "yes"; then
WANT_LIBSMI="yes"
ac_libsmi_path=""
else
WANT_LIBSMI="yes"
ac_libsmi_path="$withval"
fi
],
[WANT_LIBSMI="yes"]
)
libsmi_message="no"
LIBSMI_CFLAGS=""
LIBSMI_LDFLAGS=""
LIBSMI_VERSION=""
if test "x$WANT_LIBSMI" = "xyes"; then
ac_libsmi_header="smi.h"
libsmi_version_req=ifelse([$1], [], [2], [$1])
AC_MSG_CHECKING([for libsmi >= $libsmi_version_req])
if test "$ac_libsmi_path" != ""; then
ac_libsmi_ldflags="-L$ac_libsmi_path/lib"
ac_libsmi_cflags="-I$ac_libsmi_path/include"
else
for ac_libsmi_path_tmp in /usr /usr/local /opt $prefix; do
if test -f "$ac_libsmi_path_tmp/include/$ac_libsmi_header" \
&& test -r "$ac_libsmi_path_tmp/include/$ac_libsmi_header"; then
ac_libsmi_path=$ac_libsmi_path_tmp
ac_libsmi_ldflags="-L$ac_libsmi_path_tmp/lib"
ac_libsmi_cflags="-I$ac_libsmi_path_tmp/include"
break;
fi
done
fi
ac_libsmi_ldflags="$ac_libsmi_ldflags -lsmi"
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $ac_libsmi_cflags"
AC_LANG_PUSH(C)
AC_COMPILE_IFELSE(
[
AC_LANG_PROGRAM([[@%:@include <smi.h>]],
[[
int current, revision, age, n;
const int required = $libsmi_version_req;
if (smiInit(""))
exit(1);
if (strcmp(SMI_LIBRARY_VERSION, smi_library_version))
exit(2);
n = sscanf(smi_library_version, "%d:%d:%d", ¤t, &revision, &age);
if (n != 3)
exit(3);
if (required < current - age || required > current)
exit(4);
]]
)
],
[
AC_MSG_RESULT([yes])
libsmi_message="yes"
],
[
AC_MSG_RESULT([not found])
libsmi_message="no"
]
)
AC_LANG_POP([C])
CFLAGS="$saved_CFLAGS"
if test "$libsmi_message" = "yes"; then
LIBSMI_CFLAGS="$ac_libsmi_cflags"
LIBSMI_LDFLAGS="$ac_libsmi_ldflags"
ac_libsmi_header_path="$ac_libsmi_path/include/$ac_libsmi_header"
dnl Retrieve libsmi release version
if test "x$ac_libsmi_header_path" != "x"; then
ac_libsmi_version=`cat $ac_libsmi_header_path \
| grep '#define.*SMI_LIBRARY_VERSION.*\"' | sed -e 's/.* "//' \
| sed -e 's/"//'`
if test $ac_libsmi_version != ""; then
LIBSMI_VERSION=$ac_libsmi_version
else
AC_MSG_WARN([Can not find SMI_LIBRARY_VERSION macro in smi.h header to retrieve libsmi version!])
fi
fi
AC_SUBST(LIBSMI_CFLAGS)
AC_SUBST(LIBSMI_LDFLAGS)
AC_SUBST(LIBSMI_VERSION)
AC_DEFINE(HAVE_LIBSMI, 1, [Define to 1 if you have the `smi' library (-lsmi).])
fi
fi
])
|
