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