90-ac-lang-pushdef.patch

[Akim Demaille]

Index: ChangeLog
from  Akim Demaille  <address@hidden>
        
        * aclang.m4: Use m4_copy to duplicate macros.
        (AC_LANG_PUSH): In order to have AC_LANG's simplifications
        effective, be sure to let _AC_LANG be the old language before
        calling AC_LANG.
        
Index: aclang.m4
--- aclang.m4 Tue, 19 Dec 2000 20:30:11 +0100 akim (ace/b/32_aclang.m4 1.5.3.60 
644)
+++ aclang.m4 Fri, 22 Dec 2000 17:43:35 +0100 akim (ace/b/32_aclang.m4 1.5.3.60 
644)
@@ -126,7 +126,7 @@ AC_DEFUN([AC_LANG],
 # ------------------
 # Save the current language, and use LANG.
 m4_define([AC_LANG_PUSH],
-[m4_pushdef([_AC_LANG])dnl
+[m4_pushdef([_AC_LANG], m4_defn([_AC_LANG]))dnl
 AC_LANG([$1])])
 
 
@@ -431,31 +431,31 @@ m4_define([AC_LANG_SOURCE(C++)],
 # AC_LANG_PROGRAM(C++)([PROLOGUE], [BODY])
 # ----------------------------------------
 # Same as C.
-m4_define([AC_LANG_PROGRAM(C++)], m4_defn([AC_LANG_PROGRAM(C)]))
+m4_copy([AC_LANG_PROGRAM(C)], [AC_LANG_PROGRAM(C++)])
 
 
 # AC_LANG_CALL(C++)(PROLOGUE, FUNCTION)
 # -------------------------------------
 # Same as C.
-m4_define([AC_LANG_CALL(C++)], m4_defn([AC_LANG_CALL(C)]))
+m4_copy([AC_LANG_CALL(C)], [AC_LANG_CALL(C++)])
 
 
 # AC_LANG_FUNC_LINK_TRY(C++)(FUNCTION)
 # ------------------------------------
 # Same as C.
-m4_define([AC_LANG_FUNC_LINK_TRY(C++)], m4_defn([AC_LANG_FUNC_LINK_TRY(C)]))
+m4_copy([AC_LANG_FUNC_LINK_TRY(C)], [AC_LANG_FUNC_LINK_TRY(C++)])
 
 
 # AC_LANG_BOOL_COMPILE_TRY(C++)(PROLOGUE, EXPRESSION)
 # ---------------------------------------------------
 # Same as C.
-m4_define([AC_LANG_BOOL_COMPILE_TRY(C++)], 
m4_defn([AC_LANG_BOOL_COMPILE_TRY(C)]))
+m4_copy([AC_LANG_BOOL_COMPILE_TRY(C)], [AC_LANG_BOOL_COMPILE_TRY(C++)])
 
 
 # AC_LANG_INT_SAVE(C++)(PROLOGUE, EXPRESSION)
 # -------------------------------------------
 # Same as C.
-m4_define([AC_LANG_INT_SAVE(C++)], m4_defn([AC_LANG_INT_SAVE(C)]))
+m4_copy([AC_LANG_INT_SAVE(C)], [AC_LANG_INT_SAVE(C++)])