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author | João Valverde <joao.valverde@tecnico.ulisboa.pt> | 2016-03-22 22:41:58 +0000 |
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committer | João Valverde <j@v6e.pt> | 2016-03-23 02:33:56 +0000 |
commit | 759fc8cf705fba74aabb6df59c916efe7204898a (patch) | |
tree | db34040f10ce02d7697795609e548453577586f9 /m4/libsmi.m4 | |
parent | c57b3777f814f4f4108abcf111ee873acb60a91c (diff) |
Rename 'aclocal-fallback' directory to 'm4'
Change-Id: Icac1c43264b6c6fd426d3c5146863a491b48b4ff
Reviewed-on: https://code.wireshark.org/review/14569
Petri-Dish: João Valverde <j@v6e.pt>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: João Valverde <j@v6e.pt>
Diffstat (limited to 'm4/libsmi.m4')
-rw-r--r-- | m4/libsmi.m4 | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/m4/libsmi.m4 b/m4/libsmi.m4 new file mode 100644 index 0000000000..d719438edc --- /dev/null +++ b/m4/libsmi.m4 @@ -0,0 +1,125 @@ +# 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 +]) |