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Diffstat (limited to 'lib/autoconf/programs.m4')
| -rw-r--r-- | lib/autoconf/programs.m4 | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/lib/autoconf/programs.m4 b/lib/autoconf/programs.m4 index 087c913a..0ad3ddd1 100644 --- a/lib/autoconf/programs.m4 +++ b/lib/autoconf/programs.m4 @@ -760,13 +760,15 @@ AC_SUBST([LEX_OUTPUT_ROOT], [$ac_cv_prog_lex_root])dnl AS_VAR_SET_IF([LEXLIB], [], [ AC_CACHE_CHECK([for lex library], [ac_cv_lib_lex], [ - ac_cv_lib_lex='not found' ac_save_LIBS=$LIBS - for ac_lib in '' -lfl -ll; do - LIBS="$ac_lib $ac_save_LIBS" + for ac_cv_lib_lex in 'none needed' -lfl -ll 'not found'; do + case $ac_cv_lib_lex in + 'none needed') ;; + 'not found') break;; + *) LIBS="$ac_cv_lib_lex $ac_save_LIBS";; + esac AC_LINK_IFELSE([AC_LANG_DEFINES_PROVIDED[`cat $LEX_OUTPUT_ROOT.c`]], - [ac_cv_lib_lex="${ac_lib:-none needed}" - break]) + [break]) done LIBS=$ac_save_LIBS ]) |