Merge branch 'maint'

* maint:
  fixup: delete "# serial" line in m4/amversion.in
  news: update about recent ylwrap changes and fixes
  m4: get rid of "# serial" lines
  configure: ${#param} must be supported by the shell for the testsuite
  yacc tests: fix a spurious failure with parallel make
  ylwrap: use proper quoting inside a `...` substitution
  ylwrap: don't uselessly reset the exit status in case of failure
  ylwrap: fix C++ support for Bison
  ylwrap: refactor: move loop invariant
  ylwrap: refactoring: don't rely on the file order
  tests: upgrade and fix Bison test case
  tests: fix bison input file
  ylwrap: comment changes
  ylwrap: modernize idioms
  ylwrap: rename header inclusion in generated parsers
  ylwrap: simplify the list of renamings
  ylwrap: refactor: less duplication

Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>

31 files changed, 0 insertions, 61 deletions

diff --git a/m4/amversion.in b/m4/amversion.in
index e44ace137..3661259a3 100644
--- a/m4/amversion.in
+++ b/m4/amversion.in
@@ -6,8 +6,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 8
-
 # AM_AUTOMAKE_VERSION(VERSION)
 # ----------------------------
 # Automake X.Y traces this macro to ensure aclocal.m4 has been
diff --git a/m4/amversion.m4 b/m4/amversion.m4
index 74e79726d..368cd6438 100644
--- a/m4/amversion.m4
+++ b/m4/amversion.m4
@@ -6,8 +6,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 8
-
 # AM_AUTOMAKE_VERSION(VERSION)
 # ----------------------------
 # Automake X.Y traces this macro to ensure aclocal.m4 has been
diff --git a/m4/ar-lib.m4 b/m4/ar-lib.m4
index 470def48c..b6b6b0f76 100644
--- a/m4/ar-lib.m4
+++ b/m4/ar-lib.m4
@@ -5,8 +5,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 1
-
 # AM_PROG_AR([ACT-IF-FAIL])
 # -------------------------
 # Try to determine the archiver interface, and trigger the ar-lib wrapper
diff --git a/m4/as.m4 b/m4/as.m4
index fa6d3c8e6..27b322016 100644
--- a/m4/as.m4
+++ b/m4/as.m4
@@ -6,8 +6,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 5
-
 # AM_PROG_AS
 # ----------
 AC_DEFUN([AM_PROG_AS],
diff --git a/m4/auxdir.m4 b/m4/auxdir.m4
index 3dda02b26..9cd72c3e8 100644
--- a/m4/auxdir.m4
+++ b/m4/auxdir.m4
@@ -6,8 +6,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 2
-
 # For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
 # $ac_aux_dir to '$srcdir/foo'.  In other projects, it is set to
 # '$srcdir', '$srcdir/..', or '$srcdir/../..'.
diff --git a/m4/cond-if.m4 b/m4/cond-if.m4
index 80e687b17..38f5ec979 100644
--- a/m4/cond-if.m4
+++ b/m4/cond-if.m4
@@ -6,8 +6,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 3
-
 # _AM_COND_IF
 # _AM_COND_ELSE
 # _AM_COND_ENDIF
@@ -17,7 +15,6 @@ m4_define([_AM_COND_IF])
 m4_define([_AM_COND_ELSE])
 m4_define([_AM_COND_ENDIF])
 
-
 # AM_COND_IF(COND, [IF-TRUE], [IF-FALSE])
 # ---------------------------------------
 # If the shell condition COND is true, execute IF-TRUE, otherwise execute
diff --git a/m4/cond.m4 b/m4/cond.m4
index 03644abe0..9ea857e55 100644
--- a/m4/cond.m4
+++ b/m4/cond.m4
@@ -6,8 +6,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 10
-
 # AM_CONDITIONAL(NAME, SHELL-CONDITION)
 # -------------------------------------
 # Define a conditional.
diff --git a/m4/depend.m4 b/m4/depend.m4
index cee31991b..cd9306173 100644
--- a/m4/depend.m4
+++ b/m4/depend.m4
@@ -5,7 +5,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 17
 
 # There are a few dirty hacks below to avoid letting 'AC_PROG_CC' be
 # written in clear, in which case automake, when reading aclocal.m4,
diff --git a/m4/depout.m4 b/m4/depout.m4
index ecf62688d..835c32bdd 100644
--- a/m4/depout.m4
+++ b/m4/depout.m4
@@ -6,7 +6,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 7
 
 # _AM_OUTPUT_DEPENDENCY_COMMANDS
 # ------------------------------
diff --git a/m4/dmalloc.m4 b/m4/dmalloc.m4
index 536ea9130..3e7fdb7b8 100644
--- a/m4/dmalloc.m4
+++ b/m4/dmalloc.m4
@@ -9,8 +9,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 7
-
 AC_DEFUN([AM_WITH_DMALLOC],
 [AC_MSG_CHECKING([if malloc debugging is wanted])
 AC_ARG_WITH([dmalloc],
diff --git a/m4/gcj.m4 b/m4/gcj.m4
index e7cdd694c..fd2a5df3d 100644
--- a/m4/gcj.m4
+++ b/m4/gcj.m4
@@ -7,8 +7,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 8
-
 AC_DEFUN([AM_PROG_GCJ],
 [AC_CHECK_TOOLS([GCJ], [gcj], [gcj])
 test -z "$GCJ" && AC_MSG_ERROR([no acceptable gcj found in \$PATH])
diff --git a/m4/init.m4 b/m4/init.m4
index d841320d2..1d5dffd95 100644
--- a/m4/init.m4
+++ b/m4/init.m4
@@ -6,8 +6,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 22
-
 # This macro actually does too much.  Some checks are only needed if
 # your package does certain things.  But this isn't really a big deal.
 
diff --git a/m4/install-sh.m4 b/m4/install-sh.m4
index 8061e7e12..f51c02757 100644
--- a/m4/install-sh.m4
+++ b/m4/install-sh.m4
@@ -5,8 +5,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 8
-
 # AM_PROG_INSTALL_SH
 # ------------------
 # Define $install_sh.
diff --git a/m4/lead-dot.m4 b/m4/lead-dot.m4
index 8a8680539..633694fdd 100644
--- a/m4/lead-dot.m4
+++ b/m4/lead-dot.m4
@@ -5,8 +5,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 2
-
 # Check whether the underlying file-system supports filenames
 # with a leading dot.  For instance MS-DOS doesn't.
 AC_DEFUN([AM_SET_LEADING_DOT],
diff --git a/m4/lex.m4 b/m4/lex.m4
index 4cda8a9f4..6eb4a9142 100644
--- a/m4/lex.m4
+++ b/m4/lex.m4
@@ -6,8 +6,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 6
-
 # AM_PROG_LEX
 # -----------
 # Autoconf leaves LEX=: if lex or flex can't be found.  Change that to a
diff --git a/m4/lispdir.m4 b/m4/lispdir.m4
index c4840f4e2..72dcd8440 100644
--- a/m4/lispdir.m4
+++ b/m4/lispdir.m4
@@ -9,8 +9,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 12
-
 # AM_PATH_LISPDIR
 # ---------------
 AC_DEFUN([AM_PATH_LISPDIR],
diff --git a/m4/maintainer.m4 b/m4/maintainer.m4
index ffc1ddfe9..62eef9c72 100644
--- a/m4/maintainer.m4
+++ b/m4/maintainer.m4
@@ -7,8 +7,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 8
-
 # AM_MAINTAINER_MODE([DEFAULT-MODE])
 # ----------------------------------
 # Control maintainer-specific portions of Makefiles.
diff --git a/m4/make.m4 b/m4/make.m4
index c4ba1a6d0..245c2e676 100644
--- a/m4/make.m4
+++ b/m4/make.m4
@@ -6,8 +6,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 5
-
 # AM_MAKE_INCLUDE()
 # -----------------
 # Check to see how make treats includes.
diff --git a/m4/minuso.m4 b/m4/minuso.m4
index 7787ddf4b..50af200cb 100644
--- a/m4/minuso.m4
+++ b/m4/minuso.m4
@@ -5,8 +5,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 6
-
 # AM_PROG_CC_C_O
 # --------------
 # Like AC_PROG_CC_C_O, but changed for automake.
diff --git a/m4/missing.m4 b/m4/missing.m4
index 2de7fe455..a246a9c93 100644
--- a/m4/missing.m4
+++ b/m4/missing.m4
@@ -6,8 +6,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 8
-
 # AM_MISSING_PROG(NAME, PROGRAM)
 # ------------------------------
 AC_DEFUN([AM_MISSING_PROG],
@@ -15,7 +13,6 @@ AC_DEFUN([AM_MISSING_PROG],
 $1=${$1-"${am_missing_run}$2"}
 AC_SUBST($1)])
 
-
 # AM_MISSING_HAS_RUN
 # ------------------
 # Define MISSING if not defined so far and test if it is modern enough.
diff --git a/m4/options.m4 b/m4/options.m4
index 76ad6428c..ebf3cf00d 100644
--- a/m4/options.m4
+++ b/m4/options.m4
@@ -6,8 +6,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 6
-
 # _AM_MANGLE_OPTION(NAME)
 # -----------------------
 AC_DEFUN([_AM_MANGLE_OPTION],
diff --git a/m4/protos.m4 b/m4/protos.m4
index 942154b58..c8c7adc2c 100644
--- a/m4/protos.m4
+++ b/m4/protos.m4
@@ -7,8 +7,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 6
-
 AC_DEFUN([AM_C_PROTOTYPES],
          [AC_FATAL([automatic de-ANSI-fication support has been removed])])
 
diff --git a/m4/python.m4 b/m4/python.m4
index 35488868e..a2478181f 100644
--- a/m4/python.m4
+++ b/m4/python.m4
@@ -9,7 +9,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 9
 
 # AM_PATH_PYTHON([MINIMUM-VERSION], [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
 # ---------------------------------------------------------------------------
diff --git a/m4/runlog.m4 b/m4/runlog.m4
index 6d127a830..d983b718e 100644
--- a/m4/runlog.m4
+++ b/m4/runlog.m4
@@ -5,8 +5,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 1
-
 # AM_RUN_LOG(COMMAND)
 # -------------------
 # Run COMMAND, save the exit status in ac_status, and log it.
diff --git a/m4/sanity.m4 b/m4/sanity.m4
index c90bc9809..0415711b8 100644
--- a/m4/sanity.m4
+++ b/m4/sanity.m4
@@ -6,8 +6,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 9
-
 # AM_SANITY_CHECK
 # ---------------
 AC_DEFUN([AM_SANITY_CHECK],
diff --git a/m4/silent.m4 b/m4/silent.m4
index d499ecb65..6746c6fa6 100644
--- a/m4/silent.m4
+++ b/m4/silent.m4
@@ -5,8 +5,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 3
-
 # AM_SILENT_RULES([DEFAULT])
 # --------------------------
 # Enable less verbose build rules; with the default set to DEFAULT
diff --git a/m4/strip.m4 b/m4/strip.m4
index 42833ca09..d66f3f2e4 100644
--- a/m4/strip.m4
+++ b/m4/strip.m4
@@ -5,8 +5,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 2
-
 # AM_PROG_INSTALL_STRIP
 # ---------------------
 # One issue with vendor 'install' (even GNU) is that you can't
diff --git a/m4/substnot.m4 b/m4/substnot.m4
index 64d91ff3e..1830e796d 100644
--- a/m4/substnot.m4
+++ b/m4/substnot.m4
@@ -5,8 +5,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 3
-
 # _AM_SUBST_NOTMAKE(VARIABLE)
 # ---------------------------
 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
diff --git a/m4/tar.m4 b/m4/tar.m4
index 244c7295a..d3e23dd43 100644
--- a/m4/tar.m4
+++ b/m4/tar.m4
@@ -6,8 +6,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 3
-
 # _AM_PROG_TAR(FORMAT)
 # --------------------
 # Check how to create a tarball in format FORMAT.
diff --git a/m4/upc.m4 b/m4/upc.m4
index 9ba1025ea..0df8197b6 100644
--- a/m4/upc.m4
+++ b/m4/upc.m4
@@ -6,8 +6,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 1
-
 AC_DEFUN([AM_PROG_UPC],
 [dnl We need OBJEXT and EXEEXT, but Autoconf doesn't offer any public
 dnl macro to compute them.  Use AC_PROG_CC instead.
diff --git a/m4/vala.m4 b/m4/vala.m4
index cc6ba53cc..5dad452bf 100644
--- a/m4/vala.m4
+++ b/m4/vala.m4
@@ -6,8 +6,6 @@
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 6
-
 # Check whether the Vala compiler exists in $PATH. If it is found, the
 # variable VALAC is set. Optionally a minimum release number of the
 # compiler can be requested.