From c76a188ea800cda935999196fa7c9d9e733e6ee0 Mon Sep 17 00:00:00 2001
From: Tatsuya Kinoshita <tats@debian.org>
Date: Sun, 22 Nov 2020 21:42:15 +0900
Subject: Drop HAVE_SYS_ERRLIST

---
 acinclude.m4  | 15 ---------------
 config.h.dist |  1 -
 config.h.in   |  1 -
 configure     | 24 ------------------------
 configure.ac  |  1 -
 5 files changed, 42 deletions(-)

diff --git a/acinclude.m4 b/acinclude.m4
index 28a8aa6..b09f4e6 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -860,21 +860,6 @@ if test x"$enable_ipv6" = xyes; then
 fi])
 #
 # ----------------------------------------------------------------
-# AC_W3M_SYS_ERRLIST
-# ----------------------------------------------------------------
-AC_DEFUN([AC_W3M_SYS_ERRLIST],
-[AC_SUBST(HAVE_SYS_ERRLIST)
-AC_MSG_CHECKING(for sys_errlist)
-AC_TRY_COMPILE(
-changequote(<<,>>)dnl
-<<extern char *sys_errlist[];>>,
-<<printf("%s", sys_errlist[0]);>>,
-changequote([,])dnl
-[have_sys_errlist="yes"; AC_DEFINE(HAVE_SYS_ERRLIST)],
-[have_sys_errlist="no"])
-AC_MSG_RESULT($have_sys_errlist)])
-#
-# ----------------------------------------------------------------
 # AC_W3M_SIGSETJMP
 # ----------------------------------------------------------------
 AC_DEFUN([AC_W3M_SIGSETJMP],
diff --git a/config.h.dist b/config.h.dist
index 4d9c119..37aa804 100644
--- a/config.h.dist
+++ b/config.h.dist
@@ -194,7 +194,6 @@ typedef long clen_t;
 #define HAVE_STRCASESTR
 #define HAVE_STRCHR
 #define HAVE_STRERROR
-#define HAVE_SYS_ERRLIST
 #define HAVE_BCOPY
 #define HAVE_WAITPID
 #define HAVE_WAIT3
diff --git a/config.h.in b/config.h.in
index 7c03d3c..e87d6ba 100644
--- a/config.h.in
+++ b/config.h.in
@@ -127,7 +127,6 @@ typedef long clen_t;
 #undef HAVE_STRCASESTR
 #undef HAVE_STRCHR
 #undef HAVE_STRERROR
-#undef HAVE_SYS_ERRLIST
 #undef HAVE_BCOPY
 #undef HAVE_WAITPID
 #undef HAVE_WAIT3
diff --git a/configure b/configure
index 130460b..c43bdcf 100755
--- a/configure
+++ b/configure
@@ -601,7 +601,6 @@ HELP_DIR
 SIGNAL_RETURN
 RETSIGTYPE
 HAVE_SIGSETJMP
-HAVE_SYS_ERRLIST
 USE_BINMODE_STREAM
 LIBGC
 AUXBIN_TARGETS
@@ -8973,29 +8972,6 @@ $as_echo "#define HAVE_LANGINFO_CODESET 1" >>confdefs.h
     ;;
 esac
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sys_errlist" >&5
-$as_echo_n "checking for sys_errlist... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-extern char *sys_errlist[];
-int
-main ()
-{
-printf("%s", sys_errlist[0]);
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  have_sys_errlist="yes"; $as_echo "#define HAVE_SYS_ERRLIST 1" >>confdefs.h
-
-else
-  have_sys_errlist="no"
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_sys_errlist" >&5
-$as_echo "$have_sys_errlist" >&6; }
-
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sigsetjmp" >&5
 $as_echo_n "checking for sigsetjmp... " >&6; }
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
diff --git a/configure.ac b/configure.ac
index 6a6d557..d863255 100644
--- a/configure.ac
+++ b/configure.ac
@@ -161,7 +161,6 @@ case "$host_os" in
     AM_LANGINFO_CODESET
     ;;
 esac
-AC_W3M_SYS_ERRLIST
 AC_W3M_SIGSETJMP
 AC_W3M_SIGNAL
 
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