Merge in branch-1_29.

m4/Makefile.am

@@ -1,8 +1,8 @@
 ## Process this file with automake to produce Makefile.in -*-Makefile-*-
 EXTRA_DIST = 					\
-atconfig.m4					\
 c-bs-a.m4					\
 codeset.m4					\
+dmalloc.m4					\
 error.m4					\
 gettext.m4					\
 glibc21.m4					\
@@ -11,6 +11,7 @@ isc-posix.m4					\
 lcmessage.m4					\
 m4.m4						\
 malloc.m4					\
+mbrtowc.m4					\
 mbstate_t.m4					\
 prereq.m4					\
 progtest.m4					\

m4/atconfig.m4

@@ -1,22 +0,0 @@
-## ----------------------##
-## Prepare for testing.  ##
-## ----------------------##
-
-# serial 2
-
-# Single argument says where are built sources to test, relative to the
-# built test directory.  Maybe omitted if the same (flat distribution).
-
-AC_DEFUN([AT_CONFIG],
-[AT_TESTPATH=ifelse([$1], [], [.], [$1])
-AC_SUBST([AT_TESTPATH])
-# Try to be compatible with both Autoconf 2.13 and 2.50.
-if test -z "$ECHO_C$ECHO_N$ECHO_T"; then
-  ECHO_C="$ac_c"
-  ECHO_N="$ac_n"
-  ECHO_T="$ac_t"
-  AC_SUBST([ECHO_C])
-  AC_SUBST([ECHO_N])
-  AC_SUBST([ECHO_T])
-fi
-])

m4/dmalloc.m4

@@ -0,0 +1,22 @@
+## ----------------------------------- ##
+## Check if --with-dmalloc was given.  ##
+## From Franc,ois Pinard               ##
+## ----------------------------------- ##
+
+# serial 1
+
+AC_DEFUN([AM_WITH_DMALLOC],
+[AC_MSG_CHECKING([if malloc debugging is wanted])
+AC_ARG_WITH(dmalloc,
+[  --with-dmalloc          use dmalloc, as in
+                          http://www.dmalloc.com/dmalloc.tar.gz],
+[if test "$withval" = yes; then
+  AC_MSG_RESULT(yes)
+  AC_DEFINE(WITH_DMALLOC,1,
+            [Define if using the dmalloc debugging malloc package])
+  LIBS="$LIBS -ldmalloc"
+  LDFLAGS="$LDFLAGS -g"
+else
+  AC_MSG_RESULT(no)
+fi], [AC_MSG_RESULT(no)])
+])

m4/mbrtowc.m4

@@ -0,0 +1,18 @@
+#serial 4
+
+dnl From Paul Eggert
+
+AC_DEFUN([jm_FUNC_MBRTOWC],
+[
+  AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared],
+    jm_cv_func_mbrtowc,
+    [AC_TRY_LINK(
+       [#include <wchar.h>],
+       [mbstate_t state; return ! (sizeof state && mbrtowc);],
+       jm_cv_func_mbrtowc=yes,
+       jm_cv_func_mbrtowc=no)])
+  if test $jm_cv_func_mbrtowc = yes; then
+    AC_DEFINE(HAVE_MBRTOWC, 1,
+      [Define to 1 if mbrtowc and mbstate_t are properly declared.])
+  fi
+])

m4/prereq.m4

@@ -1,12 +1,13 @@
-#serial 1
+#serial 2
 
 dnl These are the prerequisite macros for files in the lib/
 dnl directories of Bison.
 
 AC_DEFUN([jm_PREREQ_QUOTEARG],
 [
-  AC_CHECK_FUNCS(isascii iswprint mbrtowc)
-  AC_CHECK_HEADERS(limits.h stdlib.h string.h wchar.h wctype.h)
+  AC_CHECK_FUNCS(isascii iswprint mbsinit)
+  jm_FUNC_MBRTOWC
+  AC_CHECK_HEADERS(limits.h stddef.h stdlib.h string.h wchar.h wctype.h)
   AC_HEADER_STDC
   AC_C_BACKSLASH_A
   AC_MBSTATE_T