Revert "binutils: Require GNU tail for 'objdump -Wi' test"

This reverts commit 897d8d7bba.

binutils/Makefile.am

@@ -208,7 +208,6 @@ check-DEJAGNU: site.exp
 	r=`pwd`; export r; \
 	LC_ALL=C; export LC_ALL; \
 	EXPECT=$(EXPECT); export EXPECT; \
-	TAIL=$(TAIL); export TAIL; \
 	runtest=$(RUNTEST); \
 	if $(SHELL) -c "$$runtest --version" > /dev/null 2>&1; then \
 	  $$runtest --tool $(DEJATOOL) --srcdir $${srcdir}/testsuite \

binutils/Makefile.in

@@ -138,7 +138,7 @@ EXTRA_PROGRAMS = srconv$(EXEEXT) sysdump$(EXEEXT) coffdump$(EXEEXT) \
 subdir = .
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/../bfd/acinclude.m4 \
-	$(top_srcdir)/../bfd/warning.m4 $(top_srcdir)/../config/acx.m4 \
+	$(top_srcdir)/../bfd/warning.m4 \
 	$(top_srcdir)/../config/depstand.m4 \
 	$(top_srcdir)/../config/enable.m4 \
 	$(top_srcdir)/../config/gettext-sister.m4 \
@@ -573,7 +573,6 @@ SED = @SED@
 SET_MAKE = @SET_MAKE@
 SHELL = @SHELL@
 STRIP = @STRIP@
-TAIL = @TAIL@
 USE_NLS = @USE_NLS@
 VERSION = @VERSION@
 WARN_CFLAGS = @WARN_CFLAGS@
@@ -1837,7 +1836,6 @@ check-DEJAGNU: site.exp
 	r=`pwd`; export r; \
 	LC_ALL=C; export LC_ALL; \
 	EXPECT=$(EXPECT); export EXPECT; \
-	TAIL=$(TAIL); export TAIL; \
 	runtest=$(RUNTEST); \
 	if $(SHELL) -c "$$runtest --version" > /dev/null 2>&1; then \
 	  $$runtest --tool $(DEJATOOL) --srcdir $${srcdir}/testsuite \

binutils/aclocal.m4

@@ -1187,7 +1187,6 @@ AC_SUBST([am__untar])
 
 m4_include([../bfd/acinclude.m4])
 m4_include([../bfd/warning.m4])
-m4_include([../config/acx.m4])
 m4_include([../config/depstand.m4])
 m4_include([../config/enable.m4])
 m4_include([../config/gettext-sister.m4])

binutils/configure

@@ -656,7 +656,6 @@ zlibdir
 DEMANGLER_NAME
 EXEEXT_FOR_BUILD
 CC_FOR_BUILD
-TAIL
 HDEFINES
 GENINSRC_NEVER_FALSE
 GENINSRC_NEVER_TRUE
@@ -864,7 +863,6 @@ DEBUGINFOD_CFLAGS
 DEBUGINFOD_LIBS
 YACC
 YFLAGS
-TAIL
 ZSTD_CFLAGS
 ZSTD_LIBS
 MSGPACK_CFLAGS
@@ -1569,8 +1567,6 @@ Some influential environment variables:
   YFLAGS      The list of arguments that will be passed by default to $YACC.
               This script will default YFLAGS to the empty string to avoid a
               default value of `-d' given by some make applications.
-  TAIL        Location of GNU tail. Defaults to the first GNU version of
-              `tail', `gtail' on PATH.
   ZSTD_CFLAGS C compiler flags for ZSTD, overriding pkg-config
   ZSTD_LIBS   linker flags for ZSTD, overriding pkg-config
   MSGPACK_CFLAGS
@@ -11085,7 +11081,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11088 "configure"
+#line 11084 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11191,7 +11187,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11194 "configure"
+#line 11190 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -14824,48 +14820,6 @@ fi
 
 
 
-
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU tail" >&5
-$as_echo_n "checking for GNU tail... " >&6; }
-if ${ac_cv_path_TAIL+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -z "$TAIL"; then
-  ac_path_TAIL_found=false
-  # Loop through the user's path and test for each of PROGNAME-LIST
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_prog in tail gtail; do
-    for ac_exec_ext in '' $ac_executable_extensions; do
-      ac_path_TAIL="$as_dir/$ac_prog$ac_exec_ext"
-      as_fn_executable_p "$ac_path_TAIL" || continue
-# Check for GNU $ac_path_TAIL
-case `"$ac_path_TAIL" --version 2>&1` in
-*GNU*)
-  ac_cv_path_TAIL=$ac_path_TAIL && ac_path_TAIL_found=:;;
-esac
-
-      $ac_path_TAIL_found && break 3
-    done
-  done
-  done
-IFS=$as_save_IFS
-  if test -z "$ac_cv_path_TAIL"; then
-    :
-  fi
-else
-  ac_cv_path_TAIL=$TAIL
-fi
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_TAIL" >&5
-$as_echo "$ac_cv_path_TAIL" >&6; }
-  TAIL=$ac_cv_path_TAIL
-
-
 # Put a plausible default for CC_FOR_BUILD in Makefile.
 if test -z "$CC_FOR_BUILD"; then
   if test "x$cross_compiling" = "xno"; then

binutils/configure.ac

@@ -180,8 +180,6 @@ AC_SUBST(AR)
 AC_PROG_RANLIB
 AC_PROG_INSTALL
 
-ACX_PROG_GNU_TAIL
-
 BFD_CC_FOR_BUILD
 
 DEMANGLER_NAME=c++filt

binutils/testsuite/binutils-all/objdump.exp

@@ -595,14 +595,7 @@ if { ![is_elf_format] } then {
        send_log "\n"
     }
 
-    if {![info exists env(TAIL)]} {
+    set got [remote_exec host "tail -n +4 tmpdir/objdump.out" "" "/dev/null" "tmpdir/objdump.tail"]
-       # If no GNU tail is available, skip this test.
-       verbose "Need GNU tail for 'objdump -Wi' test"
-       untested "objdump -Wi"
-       return
-    }
-
-    set got [remote_exec host "$env(TAIL) -n +4 tmpdir/objdump.out" "" "/dev/null" "tmpdir/objdump.tail"]
     set output [remote_upload host tmpdir/objdump.tail]
 
     if ![file size $output] then {

config/acx.m4

@@ -684,16 +684,3 @@ export SHELLOPTS
   ])
 fi
 ])
-
-# ACX_PROG_GNU_TAIL
-# --------------------
-# Check for GNU tail.
-AC_DEFUN([ACX_PROG_GNU_TAIL],
-  [AC_ARG_VAR([TAIL], [Location of GNU tail.  Defaults to the first
-    GNU version of `tail', `gtail' on PATH.])
-  AC_CACHE_CHECK([for GNU tail], [ac_cv_path_TAIL],
-    [AC_PATH_PROGS_FEATURE_CHECK([TAIL], [tail gtail],
-      [_AC_PATH_PROG_FLAVOR_GNU([$ac_path_TAIL],
-	[ac_cv_path_TAIL=$ac_path_TAIL && ac_path_TAIL_found=:])])])
-  TAIL=$ac_cv_path_TAIL
-])