Remove old ISC Unix cruft.

3 files changed, 5 insertions, 11 deletions

diff --git a/ChangeLog b/ChangeLog
index e4bae0b1..884a75d8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -5,6 +5,11 @@
 	* io.c (GAWK_AIX): Check _AIX instead.
 	* custom.h (_AIX): Add define of _XOPEN_SOURCE_EXTENDED.
 
+	Unrelated:
+
+	* configure.ac: Remove old stuff for ISC Unix, no longer needed.
+	* configure: Regenerated.
+
 2016-01-25         John E. Malmberg      <wb8tyw@qsl.net>
 
 	* io.c (redirect): Need to call close_one more than once after
diff --git a/configure b/configure
index 849569cf..af1b8ecc 100755
--- a/configure
+++ b/configure
@@ -6234,11 +6234,6 @@ rm -f conftest*
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $use_ebcdic" >&5
 $as_echo "$use_ebcdic" >&6; }
 
-if test "$ISC" = 1	# will be set by test for ISC
-then
-	CFLAGS="$CFLAGS -D_SYSV3"
-fi
-
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
diff --git a/configure.ac b/configure.ac
index 8d6895ea..f57d2a77 100644
--- a/configure.ac
+++ b/configure.ac
@@ -123,12 +123,6 @@ gnu_gawk_in_ebcdic
 [use_ebcdic=no])
 AC_MSG_RESULT([$use_ebcdic])
 
-if test "$ISC" = 1	# will be set by test for ISC
-then
-dnl	need -D_SYSV3 for ISC
-	CFLAGS="$CFLAGS -D_SYSV3"
-fi
-
 dnl Set the programming language for checks. Fortunately,
 dnl this only needs to be set once, since everything is in C.
 AC_LANG([C])