Changeset 1973 for binutils/trunk/config/override.m4

Timestamp:

Feb 6, 2017, 1:00:00 PM (8 years ago)

Author:

Silvan Scherrer

Message:

binutils: update trunk to version 2.27

Location:

binutils/trunk

Files:

• . (modified) (1 prop)
• config/override.m4 (modified) (1 diff)

binutils/trunk/config/override.m4 ¶

@@ -102 +102 @@
 ])
 
+dnl If flex/lex are not found, the top level configure sets LEX to
+dnl "/path_to/missing flex".  When AC_PROG_LEX tries to find the flex
+dnl output file, it calls $LEX to do so, but the current lightweight
+dnl "missing" won't create a file.  This results in an error.
+dnl Avoid calling the bulk of AC_PROG_LEX when $LEX is "missing".
+AC_DEFUN_ONCE([AC_PROG_LEX],
+[AC_CHECK_PROGS(LEX, flex lex, :)
+case "$LEX" in
+  :|*"missing "*) ;;
+  *) _AC_PROG_LEX_YYTEXT_DECL ;;
+esac])
+
 ])