Author: metze Date: 2005-08-04 01:42:14 +0000 (Thu, 04 Aug 2005) New Revision: 9030
WebSVN: http://websvn.samba.org/cgi-bin/viewcvs.cgi?view=rev&root=samba&rev=9030 Log: add a AC_SEARCH_FUNCS_EXT() which takes an extra argument that get the output libs to not pollute the global $LIBS variable metze Modified: branches/SAMBA_4_0/source/aclocal.m4 Changeset: Modified: branches/SAMBA_4_0/source/aclocal.m4 =================================================================== --- branches/SAMBA_4_0/source/aclocal.m4 2005-08-04 01:41:03 UTC (rev 9029) +++ branches/SAMBA_4_0/source/aclocal.m4 2005-08-04 01:42:14 UTC (rev 9030) @@ -117,8 +117,33 @@ [AH_TEMPLATE(AS_TR_CPP(HAVE_LIB$1), [Define to 1 if you have the `]$1[' library (-l]$1[).])]) -# AC_CHECK_FUNCS_EXT(FUNCTION, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) -# ----------------------------------------------------------------- +dnl AC_SEARCH_LIBS_EXT(FUNCTION, SEARCH-LIBS, EXT_LIBS, +dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND], +dnl [OTHER-LIBRARIES]) +dnl -------------------------------------------------------- +dnl Search for a library defining FUNC, if it's not already available. +AC_DEFUN([AC_SEARCH_LIBS_EXT], +[AC_CACHE_CHECK([for library containing $1], [ac_cv_search_ext_$1], +[ +ac_func_search_ext_save_LIBS=$LIBS +ac_cv_search_ext_$1=no +AC_LINK_IFELSE([AC_LANG_CALL([], [$1])], + [ac_cv_search_ext_$1="none required"]) +if test "$ac_cv_search_ext_$1" = no; then + for ac_lib in $2; do + LIBS="-l$ac_lib $$3 $6 $ac_func_search_save_ext_LIBS" + AC_LINK_IFELSE([AC_LANG_CALL([], [$1])], + [ac_cv_search_ext_$1="-l$ac_lib" +break]) + done +fi +LIBS=$ac_func_search_ext_save_LIBS]) +AS_IF([test "$ac_cv_search_ext_$1" != no], + [test "$ac_cv_search_ext_$1" = "none required" || $3="$ac_cv_search_ext_$1" + $4], + [$5])dnl +]) + dnl check for a function in a $LIBS and $OTHER_LIBS libraries variable. dnl AC_CHECK_FUNC_EXT(func,OTHER_LIBS,IF-TRUE,IF-FALSE) AC_DEFUN([AC_CHECK_FUNC_EXT],
