diff options
Diffstat (limited to 'acinclude.m4')
| -rw-r--r-- | acinclude.m4 | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 index 3dd200675e..2e15ce5eb1 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -736,6 +736,149 @@ AC_DEFUN([AC_ETHEREAL_LIBPCRE_CHECK], ]) # +# AC_ETHEREAL_LIBLUA_CHECK +# +AC_DEFUN([AC_ETHEREAL_LIBLUA_CHECK],[ + + if test "x$lua_dir" != "x" + then + # + # The user specified a directory in which liblua resides, + # so add the "include" subdirectory of that directory to + # the include file search path and the "lib" subdirectory + # of that directory to the library search path. + # + # XXX - if there's also a liblua in a directory that's + # already in CFLAGS, CPPFLAGS, or LDFLAGS, this won't + # make us find the version in the specified directory, + # as the compiler and/or linker will search that other + # directory before it searches the specified directory. + # + ethereal_save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -I$lua_dir/include" + ethereal_save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS -I$lua_dir/include" + ethereal_save_LIBS="$LIBS" + LIBS="$LIBS -llua -llualib" + ethereal_save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS -L$lua_dir/lib" + else + # + # The user specified no directory in which liblua resides, + # so just add "-llua -lliblua" to the used libs. + # + ethereal_save_CFLAGS="$CFLAGS" + ethereal_save_CPPFLAGS="$CPPFLAGS" + ethereal_save_LDFLAGS="$LDFLAGS" + ethereal_save_LIBS="$LIBS" + fi + + # + # Make sure we have "lua.h", "lualib.h" and "lauxlib.h". If we don't, it means we probably + # don't have liblua, so don't use it. + # + AC_CHECK_HEADERS(lua.h lualib.h lauxlib.h,, + [ + if test "x$lua_dir" != "x" + then + # + # The user used "--with-lua=" to specify a directory + # containing liblua, but we didn't find the header file + # there; that either means they didn't specify the + # right directory or are confused about whether liblua + # is, in fact, installed. Report the error and give up. + # + AC_MSG_ERROR([liblua header not found in directory specified in --with-lua]) + else + if test "x$want_lua" = "xyes" + then + # + # The user tried to force us to use the library, but we + # couldn't find the header file; report an error. + # + AC_MSG_ERROR(Header file lua.h not found.) + else + # + # We couldn't find the header file; don't use the + # library, as it's probably not present. + # + want_lua=no + fi + fi + ]) + + if test "x$want_lua" != "xno" + then + # + # Well, we at least have the lua header file. + # + # let's check if the libs are there + # + AC_CHECK_LIB(lua, lua_version, + [ + if test "x$lua_dir" != "x" + then + # + # Put the "-I" and "-L" flags for lua at + # the beginning of CFLAGS, CPPFLAGS, + # LDFLAGS, and LIBS. + # + LUA_LIBS="-L$lua_dir/lib -llua" + CFLAGS="-I$lua_dir/include $ethereal_save_CFLAGS" + + else + LUA_LIBS="-llua" + fi + + # + # we got lua, now look for lualib + # + + AC_CHECK_LIB(lualib, luaopen_base, + [ + LUA_LIBS="$LUA_LIBS -llualib" + ],[ + if test "x$lua_dir" != "x" + then + # + # Restore the versions of CFLAGS, CPPFLAGS, + # LDFLAGS, and LIBS before we added the + # "--with-lua=" directory, as we didn't + # actually find lua there. + # + CFLAGS="$ethereal_save_CFLAGS" + CPPFLAGS="$ethereal_save_CPPFLAGS" + LDFLAGS="$ethereal_save_LDFLAGS" + LIBS="$ethereal_save_LIBS" + LUA_LIBS="" + fi + want_lua=no + ]) + ],[ + # + # Restore the versions of CFLAGS, CPPFLAGS, + # LDFLAGS, and LIBS before we added the + # "--with-lua=" directory, as we didn't + # actually find lua there. + # + CFLAGS="$ethereal_save_CFLAGS" + CPPFLAGS="$ethereal_save_CPPFLAGS" + LDFLAGS="$ethereal_save_LDFLAGS" + LIBS="$ethereal_save_LIBS" + LUA_LIBS="" + want_lua=no + ]) + + + CPPFLAGS="$ethereal_save_CPPFLAGS" + LDFLAGS="$ethereal_save_LDFLAGS" + LIBS="$ethereal_save_LIBS" + AC_SUBST(LUA_LIBS) + + fi +]) + +# # AC_ETHEREAL_NETSNMP_CHECK # AC_DEFUN([AC_ETHEREAL_NETSNMP_CHECK], |