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Reverse an accidental change.

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This commit is contained in:
Akim Demaille 2002-09-29 08:14:32 +00:00
parent b042fb40ec
commit 379333954a
1 changed files with 29 additions and 4 deletions
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33
lib/m4sugar/m4sugar.m4
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@ -1202,7 +1202,12 @@ m4_define([_m4_divert(GROW)], 10000)
# -------------------------
# The prologue for Autoconf macros.
m4_define([_m4_defun_pro],
[
[m4_expansion_stack_push(m4_defn([m4_location($1)])[: $1 is expanded from...])dnl
m4_pushdef([_m4_expanding($1)])dnl
m4_ifdef([_m4_divert_dump],
[m4_divert_push(m4_defn([_m4_divert_diversion]))],
[m4_copy([_m4_divert_diversion], [_m4_divert_dump])dnl
m4_divert_push([GROW])])dnl
])
@ -1211,7 +1216,13 @@ m4_define([_m4_defun_pro],
# The Epilogue for Autoconf macros. MACRO-NAME only helps tracing
# the PRO/EPI pairs.
m4_define([_m4_defun_epi],
[m4_provide([$1])dnl
[m4_divert_pop()dnl
m4_if(_m4_divert_dump, _m4_divert_diversion,
[m4_undivert([GROW])dnl
m4_undefine([_m4_divert_dump])])dnl
m4_expansion_stack_pop()dnl
m4_popdef([_m4_expanding($1)])dnl
m4_provide([$1])dnl
])
@ -1302,9 +1313,23 @@ m4_define([m4_before],
# `extension' prevents `AC_LANG_COMPILER' from having actual arguments that
# it passes to `AC_LANG_COMPILER(C)'.
m4_define([m4_require],
[m4_provide_if([$1],
[m4_expansion_stack_push(m4_location[: $1 is required by...])dnl
m4_ifdef([_m4_expanding($1)],
[m4_fatal([$0: circular dependency of $1])])dnl
m4_ifndef([_m4_divert_dump],
[m4_fatal([$0: cannot be used outside of an m4_defun'd macro])])dnl
m4_provide_if([$1],
[],
[m4_default([$2], [$1])])
[m4_divert_push(m4_eval(m4_divnum - 1))dnl
m4_default([$2], [$1])
m4_divert(m4_defn([_m4_divert_dump]))dnl
m4_undivert(m4_defn([_m4_divert_diversion]))dnl
m4_divert_pop(m4_defn([_m4_divert_dump]))])dnl
m4_provide_if([$1],
[],
[m4_warn([syntax],
[$1 is m4_require'd but is not m4_defun'd])])dnl
m4_expansion_stack_pop()dnl
])