[PATCH 1/3] m4: style changes in error messages

[Akim Demaille]

* data/bison.m4: Use $0 to denote the current macro's name.
---
 data/bison.m4 | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/data/bison.m4 b/data/bison.m4
index 9c5d48f..bb53970 100644
--- a/data/bison.m4
+++ b/data/bison.m4
@@ -686,7 +686,7 @@ m4_define([b4_percent_define_get_loc],
           [m4_pushdef([b4_loc], m4_indir([b4_percent_define_loc(]$1[)]))dnl
 b4_loc[]dnl
 m4_popdef([b4_loc])],
-          [b4_fatal([[b4_percent_define_get_loc: undefined %%define variable 
'%s']], [$1])])])
+          [b4_fatal([[$0: undefined %%define variable '%s']], [$1])])])
 
 # b4_percent_define_get_syncline(VARIABLE)
 # ----------------------------------------
@@ -703,7 +703,7 @@ m4_popdef([b4_loc])],
 m4_define([b4_percent_define_get_syncline],
 [m4_ifdef([b4_percent_define_syncline(]$1[)],
           [m4_indir([b4_percent_define_syncline(]$1[)])],
-          [b4_fatal([[b4_percent_define_get_syncline: undefined %%define 
variable '%s']], [$1])])])
+          [b4_fatal([[$0: undefined %%define variable '%s']], [$1])])])
 
 # b4_percent_define_ifdef(VARIABLE, IF-TRUE, [IF-FALSE])
 # ------------------------------------------------------
@@ -747,7 +747,7 @@ m4_define([b4_percent_define_flag_if],
                                            [[invalid value for %%define 
Boolean variable '%s']],
                                            [$1])],
                            [[b4_percent_define_flag_if($1)]])])],
-  [b4_fatal([[b4_percent_define_flag_if: undefined %%define variable '%s']], 
[$1])])])
+  [b4_fatal([[$0: undefined %%define variable '%s']], [$1])])])
 
 
 # b4_percent_define_default(VARIABLE, DEFAULT)
@@ -820,7 +820,7 @@ m4_define([_b4_percent_define_check_values],
                                      [[accepted value: '%s']],
                                      m4_dquote(b4_value))])])dnl
    m4_popdef([b4_good_value])],
-  [b4_fatal([[b4_percent_define_check_values: undefined %%define variable 
'%s']], [$1])])])
+  [b4_fatal([[$0: undefined %%define variable '%s']], [$1])])])
 
 # b4_percent_code_get([QUALIFIER])
 # --------------------------------
-- 
1.8.2