bison: remove obsolete patch

m4.patch was added before 2005 (history isn't in git, only BitKeeper) and
doesn't appear to be needed anymore.

Also add a comment to clarify why acpaths is required.

(From OE-Core rev: 1ef90df9c5cc628c885897027d8c5ec6f318d68e)

Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 2 insertions, 415 deletions

diff --git a/meta/recipes-devtools/bison/bison/m4.patch b/meta/recipes-devtools/bison/bison/m4.patch
deleted file mode 100644
index d139da5e79..0000000000
--- a/meta/recipes-devtools/bison/bison/m4.patch
+++ /dev/null
@@ -1,414 +0,0 @@
-Upstream-Status: Pending
-
-#
-# Patch managed by http://www.mn-logistik.de/unsupported/pxa250/patcher
-#
-
-Index: bison-2.4.2/m4/lcmessage.m4
-===================================================================
---- /dev/null
-+++ bison-2.4.2/m4/lcmessage.m4
-@@ -0,0 +1,32 @@
-+# lcmessage.m4 serial 3 (gettext-0.11.3)
-+dnl Copyright (C) 1995-2002 Free Software Foundation, Inc.
-+dnl This file is free software, distributed under the terms of the GNU
-+dnl General Public License.  As a special exception to the GNU General
-+dnl Public License, this file may be distributed as part of a program
-+dnl that contains a configuration script generated by Autoconf, under
-+dnl the same distribution terms as the rest of that program.
-+dnl
-+dnl This file can can be used in projects which are not available under
-+dnl the GNU General Public License or the GNU Library General Public
-+dnl License but which still want to provide support for the GNU gettext
-+dnl functionality.
-+dnl Please note that the actual code of the GNU gettext library is covered
-+dnl by the GNU Library General Public License, and the rest of the GNU
-+dnl gettext package package is covered by the GNU General Public License.
-+dnl They are *not* in the public domain.
-+
-+dnl Authors:
-+dnl   Ulrich Drepper <drepper@cygnus.com>, 1995.
-+
-+# Check whether LC_MESSAGES is available in <locale.h>.
-+
-+AC_DEFUN([AM_LC_MESSAGES],
-+[
-+  AC_CACHE_CHECK([for LC_MESSAGES], am_cv_val_LC_MESSAGES,
-+    [AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES],
-+       am_cv_val_LC_MESSAGES=yes, am_cv_val_LC_MESSAGES=no)])
-+  if test $am_cv_val_LC_MESSAGES = yes; then
-+    AC_DEFINE(HAVE_LC_MESSAGES, 1,
-+      [Define if your <locale.h> file defines LC_MESSAGES.])
-+  fi
-+])
-Index: bison-2.4.2/m4/uintmax_t.m4
-===================================================================
---- /dev/null
-+++ bison-2.4.2/m4/uintmax_t.m4
-@@ -0,0 +1,29 @@
-+# uintmax_t.m4 serial 6 (gettext-0.11)
-+dnl Copyright (C) 1997-2002 Free Software Foundation, Inc.
-+dnl This file is free software, distributed under the terms of the GNU
-+dnl General Public License.  As a special exception to the GNU General
-+dnl Public License, this file may be distributed as part of a program
-+dnl that contains a configuration script generated by Autoconf, under
-+dnl the same distribution terms as the rest of that program.
-+
-+dnl From Paul Eggert.
-+
-+AC_PREREQ(2.13)
-+
-+# Define uintmax_t to `unsigned long' or `unsigned long long'
-+# if <inttypes.h> does not exist.
-+
-+AC_DEFUN([jm_AC_TYPE_UINTMAX_T],
-+[
-+  AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
-+  AC_REQUIRE([jm_AC_HEADER_STDINT_H])
-+  if test $jm_ac_cv_header_inttypes_h = no && test $jm_ac_cv_header_stdint_h = no; then
-+    AC_REQUIRE([jm_AC_TYPE_UNSIGNED_LONG_LONG])
-+    test $ac_cv_type_unsigned_long_long = yes \
-+      && ac_type='unsigned long long' \
-+      || ac_type='unsigned long'
-+    AC_DEFINE_UNQUOTED(uintmax_t, $ac_type,
-+  [Define to unsigned long or unsigned long long
-+   if <inttypes.h> and <stdint.h> don't define.])
-+  fi
-+])
-Index: bison-2.4.2/m4/ulonglong.m4
-===================================================================
---- /dev/null
-+++ bison-2.4.2/m4/ulonglong.m4
-@@ -0,0 +1,23 @@
-+# ulonglong.m4 serial 2 (fileutils-4.0.32, gettext-0.10.40)
-+dnl Copyright (C) 1999-2002 Free Software Foundation, Inc.
-+dnl This file is free software, distributed under the terms of the GNU
-+dnl General Public License.  As a special exception to the GNU General
-+dnl Public License, this file may be distributed as part of a program
-+dnl that contains a configuration script generated by Autoconf, under
-+dnl the same distribution terms as the rest of that program.
-+
-+dnl From Paul Eggert.
-+
-+AC_DEFUN([jm_AC_TYPE_UNSIGNED_LONG_LONG],
-+[
-+  AC_CACHE_CHECK([for unsigned long long], ac_cv_type_unsigned_long_long,
-+  [AC_TRY_LINK([unsigned long long ull = 1; int i = 63;],
-+    [unsigned long long ullmax = (unsigned long long) -1;
-+     return ull << i | ull >> i | ullmax / ull | ullmax % ull;],
-+    ac_cv_type_unsigned_long_long=yes,
-+    ac_cv_type_unsigned_long_long=no)])
-+  if test $ac_cv_type_unsigned_long_long = yes; then
-+    AC_DEFINE(HAVE_UNSIGNED_LONG_LONG, 1,
-+      [Define if you have the unsigned long long type.])
-+  fi
-+])
-Index: bison-2.4.2/m4/intdiv0.m4
-===================================================================
---- /dev/null
-+++ bison-2.4.2/m4/intdiv0.m4
-@@ -0,0 +1,72 @@
-+# intdiv0.m4 serial 1 (gettext-0.11.3)
-+dnl Copyright (C) 2002 Free Software Foundation, Inc.
-+dnl This file is free software, distributed under the terms of the GNU
-+dnl General Public License.  As a special exception to the GNU General
-+dnl Public License, this file may be distributed as part of a program
-+dnl that contains a configuration script generated by Autoconf, under
-+dnl the same distribution terms as the rest of that program.
-+
-+dnl From Bruno Haible.
-+
-+AC_DEFUN([gt_INTDIV0],
-+[
-+  AC_REQUIRE([AC_PROG_CC])dnl
-+  AC_REQUIRE([AC_CANONICAL_HOST])dnl
-+
-+  AC_CACHE_CHECK([whether integer division by zero raises SIGFPE],
-+    gt_cv_int_divbyzero_sigfpe,
-+    [
-+      AC_TRY_RUN([
-+#include <stdlib.h>
-+#include <signal.h>
-+
-+static void
-+#ifdef __cplusplus
-+sigfpe_handler (int sig)
-+#else
-+sigfpe_handler (sig) int sig;
-+#endif
-+{
-+  /* Exit with code 0 if SIGFPE, with code 1 if any other signal.  */
-+  exit (sig != SIGFPE);
-+}
-+
-+int x = 1;
-+int y = 0;
-+int z;
-+int nan;
-+
-+int main ()
-+{
-+  signal (SIGFPE, sigfpe_handler);
-+/* IRIX and AIX (when "xlc -qcheck" is used) yield signal SIGTRAP.  */
-+#if (defined (__sgi) || defined (_AIX)) && defined (SIGTRAP)
-+  signal (SIGTRAP, sigfpe_handler);
-+#endif
-+/* Linux/SPARC yields signal SIGILL.  */
-+#if defined (__sparc__) && defined (__linux__)
-+  signal (SIGILL, sigfpe_handler);
-+#endif
-+
-+  z = x / y;
-+  nan = y / y;
-+  exit (1);
-+}
-+], gt_cv_int_divbyzero_sigfpe=yes, gt_cv_int_divbyzero_sigfpe=no,
-+        [
-+          # Guess based on the CPU.
-+          case "$host_cpu" in
-+            alpha* | i[34567]86 | m68k | s390*)
-+              gt_cv_int_divbyzero_sigfpe="guessing yes";;
-+            *)
-+              gt_cv_int_divbyzero_sigfpe="guessing no";;
-+          esac
-+        ])
-+    ])
-+  case "$gt_cv_int_divbyzero_sigfpe" in
-+    *yes) value=1;;
-+    *) value=0;;
-+  esac
-+  AC_DEFINE_UNQUOTED(INTDIV0_RAISES_SIGFPE, $value,
-+    [Define if integer division by zero raises signal SIGFPE.])
-+])
-Index: bison-2.4.2/m4/glib.m4
-===================================================================
---- /dev/null
-+++ bison-2.4.2/m4/glib.m4
-@@ -0,0 +1,196 @@
-+# Configure paths for GLIB
-+# Owen Taylor     97-11-3
-+
-+dnl AM_PATH_GLIB([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
-+dnl Test for GLIB, and define GLIB_CFLAGS and GLIB_LIBS, if "gmodule" or 
-+dnl gthread is specified in MODULES, pass to glib-config
-+dnl
-+AC_DEFUN(AM_PATH_GLIB,
-+[dnl 
-+dnl Get the cflags and libraries from the glib-config script
-+dnl
-+AC_ARG_WITH(glib-prefix,[  --with-glib-prefix=PFX   Prefix where GLIB is installed (optional)],
-+            glib_config_prefix="$withval", glib_config_prefix="")
-+AC_ARG_WITH(glib-exec-prefix,[  --with-glib-exec-prefix=PFX Exec prefix where GLIB is installed (optional)],
-+            glib_config_exec_prefix="$withval", glib_config_exec_prefix="")
-+AC_ARG_ENABLE(glibtest, [  --disable-glibtest       Do not try to compile and run a test GLIB program],
-+                   , enable_glibtest=yes)
-+
-+  if test x$glib_config_exec_prefix != x ; then
-+     glib_config_args="$glib_config_args --exec-prefix=$glib_config_exec_prefix"
-+     if test x${GLIB_CONFIG+set} != xset ; then
-+        GLIB_CONFIG=$glib_config_exec_prefix/bin/glib-config
-+     fi
-+  fi
-+  if test x$glib_config_prefix != x ; then
-+     glib_config_args="$glib_config_args --prefix=$glib_config_prefix"
-+     if test x${GLIB_CONFIG+set} != xset ; then
-+        GLIB_CONFIG=$glib_config_prefix/bin/glib-config
-+     fi
-+  fi
-+
-+  for module in . $4
-+  do
-+      case "$module" in
-+         gmodule) 
-+             glib_config_args="$glib_config_args gmodule"
-+         ;;
-+         gthread) 
-+             glib_config_args="$glib_config_args gthread"
-+         ;;
-+      esac
-+  done
-+
-+  AC_PATH_PROG(GLIB_CONFIG, glib-config, no)
-+  min_glib_version=ifelse([$1], ,0.99.7,$1)
-+  AC_MSG_CHECKING(for GLIB - version >= $min_glib_version)
-+  no_glib=""
-+  if test "$GLIB_CONFIG" = "no" ; then
-+    no_glib=yes
-+  else
-+    GLIB_CFLAGS=`$GLIB_CONFIG $glib_config_args --cflags`
-+    GLIB_LIBS=`$GLIB_CONFIG $glib_config_args --libs`
-+    glib_config_major_version=`$GLIB_CONFIG $glib_config_args --version | \
-+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
-+    glib_config_minor_version=`$GLIB_CONFIG $glib_config_args --version | \
-+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
-+    glib_config_micro_version=`$GLIB_CONFIG $glib_config_args --version | \
-+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
-+    if test "x$enable_glibtest" = "xyes" ; then
-+      ac_save_CFLAGS="$CFLAGS"
-+      ac_save_LIBS="$LIBS"
-+      CFLAGS="$CFLAGS $GLIB_CFLAGS"
-+      LIBS="$GLIB_LIBS $LIBS"
-+dnl
-+dnl Now check if the installed GLIB is sufficiently new. (Also sanity
-+dnl checks the results of glib-config to some extent
-+dnl
-+      rm -f conf.glibtest
-+      AC_TRY_RUN([
-+#include <glib.h>
-+#include <stdio.h>
-+#include <stdlib.h>
-+
-+int 
-+main ()
-+{
-+  int major, minor, micro;
-+  char *tmp_version;
-+
-+  system ("touch conf.glibtest");
-+
-+  /* HP/UX 9 (%@#!) writes to sscanf strings */
-+  tmp_version = g_strdup("$min_glib_version");
-+  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
-+     printf("%s, bad version string\n", "$min_glib_version");
-+     exit(1);
-+   }
-+
-+  if ((glib_major_version != $glib_config_major_version) ||
-+      (glib_minor_version != $glib_config_minor_version) ||
-+      (glib_micro_version != $glib_config_micro_version))
-+    {
-+      printf("\n*** 'glib-config --version' returned %d.%d.%d, but GLIB (%d.%d.%d)\n", 
-+             $glib_config_major_version, $glib_config_minor_version, $glib_config_micro_version,
-+             glib_major_version, glib_minor_version, glib_micro_version);
-+      printf ("*** was found! If glib-config was correct, then it is best\n");
-+      printf ("*** to remove the old version of GLIB. You may also be able to fix the error\n");
-+      printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
-+      printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
-+      printf("*** required on your system.\n");
-+      printf("*** If glib-config was wrong, set the environment variable GLIB_CONFIG\n");
-+      printf("*** to point to the correct copy of glib-config, and remove the file config.cache\n");
-+      printf("*** before re-running configure\n");
-+    } 
-+  else if ((glib_major_version != GLIB_MAJOR_VERSION) ||
-+          (glib_minor_version != GLIB_MINOR_VERSION) ||
-+           (glib_micro_version != GLIB_MICRO_VERSION))
-+    {
-+      printf("*** GLIB header files (version %d.%d.%d) do not match\n",
-+            GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION, GLIB_MICRO_VERSION);
-+      printf("*** library (version %d.%d.%d)\n",
-+            glib_major_version, glib_minor_version, glib_micro_version);
-+    }
-+  else
-+    {
-+      if ((glib_major_version > major) ||
-+        ((glib_major_version == major) && (glib_minor_version > minor)) ||
-+        ((glib_major_version == major) && (glib_minor_version == minor) && (glib_micro_version >= micro)))
-+      {
-+        return 0;
-+       }
-+     else
-+      {
-+        printf("\n*** An old version of GLIB (%d.%d.%d) was found.\n",
-+               glib_major_version, glib_minor_version, glib_micro_version);
-+        printf("*** You need a version of GLIB newer than %d.%d.%d. The latest version of\n",
-+              major, minor, micro);
-+        printf("*** GLIB is always available from ftp://ftp.gtk.org.\n");
-+        printf("***\n");
-+        printf("*** If you have already installed a sufficiently new version, this error\n");
-+        printf("*** probably means that the wrong copy of the glib-config shell script is\n");
-+        printf("*** being found. The easiest way to fix this is to remove the old version\n");
-+        printf("*** of GLIB, but you can also set the GLIB_CONFIG environment to point to the\n");
-+        printf("*** correct copy of glib-config. (In this case, you will have to\n");
-+        printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
-+        printf("*** so that the correct libraries are found at run-time))\n");
-+      }
-+    }
-+  return 1;
-+}
-+],, no_glib=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
-+       CFLAGS="$ac_save_CFLAGS"
-+       LIBS="$ac_save_LIBS"
-+     fi
-+  fi
-+  if test "x$no_glib" = x ; then
-+     AC_MSG_RESULT(yes)
-+     ifelse([$2], , :, [$2])     
-+  else
-+     AC_MSG_RESULT(no)
-+     if test "$GLIB_CONFIG" = "no" ; then
-+       echo "*** The glib-config script installed by GLIB could not be found"
-+       echo "*** If GLIB was installed in PREFIX, make sure PREFIX/bin is in"
-+       echo "*** your path, or set the GLIB_CONFIG environment variable to the"
-+       echo "*** full path to glib-config."
-+     else
-+       if test -f conf.glibtest ; then
-+        :
-+       else
-+          echo "*** Could not run GLIB test program, checking why..."
-+          CFLAGS="$CFLAGS $GLIB_CFLAGS"
-+          LIBS="$LIBS $GLIB_LIBS"
-+          AC_TRY_LINK([
-+#include <glib.h>
-+#include <stdio.h>
-+],      [ return ((glib_major_version) || (glib_minor_version) || (glib_micro_version)); ],
-+        [ echo "*** The test program compiled, but did not run. This usually means"
-+          echo "*** that the run-time linker is not finding GLIB or finding the wrong"
-+          echo "*** version of GLIB. If it is not finding GLIB, you'll need to set your"
-+          echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
-+          echo "*** to the installed location  Also, make sure you have run ldconfig if that"
-+          echo "*** is required on your system"
-+         echo "***"
-+          echo "*** If you have an old version installed, it is best to remove it, although"
-+          echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"
-+          echo "***"
-+          echo "*** If you have a RedHat 5.0 system, you should remove the GTK package that"
-+          echo "*** came with the system with the command"
-+          echo "***"
-+          echo "***    rpm --erase --nodeps gtk gtk-devel" ],
-+        [ echo "*** The test program failed to compile or link. See the file config.log for the"
-+          echo "*** exact error that occured. This usually means GLIB was incorrectly installed"
-+          echo "*** or that you have moved GLIB since it was installed. In the latter case, you"
-+          echo "*** may want to edit the glib-config script: $GLIB_CONFIG" ])
-+          CFLAGS="$ac_save_CFLAGS"
-+          LIBS="$ac_save_LIBS"
-+       fi
-+     fi
-+     GLIB_CFLAGS=""
-+     GLIB_LIBS=""
-+     ifelse([$3], , :, [$3])
-+  fi
-+  AC_SUBST(GLIB_CFLAGS)
-+  AC_SUBST(GLIB_LIBS)
-+  rm -f conf.glibtest
-+])
-Index: bison-2.4.2/m4/isc-posix.m4
-===================================================================
---- /dev/null
-+++ bison-2.4.2/m4/isc-posix.m4
-@@ -0,0 +1,26 @@
-+# isc-posix.m4 serial 2 (gettext-0.11.2)
-+dnl Copyright (C) 1995-2002 Free Software Foundation, Inc.
-+dnl This file is free software, distributed under the terms of the GNU
-+dnl General Public License.  As a special exception to the GNU General
-+dnl Public License, this file may be distributed as part of a program
-+dnl that contains a configuration script generated by Autoconf, under
-+dnl the same distribution terms as the rest of that program.
-+
-+# This file is not needed with autoconf-2.53 and newer.  Remove it in 2005.
-+
-+# This test replaces the one in autoconf.
-+# Currently this macro should have the same name as the autoconf macro
-+# because gettext's gettext.m4 (distributed in the automake package)
-+# still uses it.  Otherwise, the use in gettext.m4 makes autoheader
-+# give these diagnostics:
-+#   configure.in:556: AC_TRY_COMPILE was called before AC_ISC_POSIX
-+#   configure.in:556: AC_TRY_RUN was called before AC_ISC_POSIX
-+
-+undefine([AC_ISC_POSIX])
-+
-+AC_DEFUN([AC_ISC_POSIX],
-+  [
-+    dnl This test replaces the obsolescent AC_ISC_POSIX kludge.
-+    AC_CHECK_LIB(cposix, strerror, [LIBS="$LIBS -lcposix"])
-+  ]
-+)
diff --git a/meta/recipes-devtools/bison/bison_3.0.4.bb b/meta/recipes-devtools/bison/bison_3.0.4.bb
index 7d066be0ad..e5ac5672f8 100644
--- a/meta/recipes-devtools/bison/bison_3.0.4.bb
+++ b/meta/recipes-devtools/bison/bison_3.0.4.bb
@@ -10,7 +10,6 @@ SECTION = "devel"
 DEPENDS = "bison-native flex-native"
 
 SRC_URI = "${GNU_MIRROR}/bison/bison-${PV}.tar.xz \
-           file://m4.patch \
            file://0001-Unset-need_charset_alias-when-building-for-musl.patch \
            file://dont-depend-on-help2man.patch.patch \
            file://0001-src-local.mk-fix-parallel-issue.patch \
@@ -26,6 +25,8 @@ SRC_URI[sha256sum] = "a72428c7917bdf9fa93cb8181c971b6e22834125848cf1d03ce10b1bb0
 DEPENDS_class-native = "gettext-minimal-native"
 
 inherit autotools gettext texinfo
+
+# The automatic m4 path detection gets confused, so force the right value
 acpaths = "-I ${S}/m4"
 
 do_compile_prepend() {