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-rw-r--r--Build/source/libs/zlib/configure.ac12
1 files changed, 2 insertions, 10 deletions
diff --git a/Build/source/libs/zlib/configure.ac b/Build/source/libs/zlib/configure.ac
index a7ac859d7b8..b7e39ef44c7 100644
--- a/Build/source/libs/zlib/configure.ac
+++ b/Build/source/libs/zlib/configure.ac
@@ -1,6 +1,7 @@
+dnl $Id$
dnl Process this file with autoconf to produce a configure script.
dnl
-dnl Copyright (C) 2016 Karl Berry <tex-live@tug.org>
+dnl Copyright (C) 2016-2020 Karl Berry <tex-live@tug.org>
dnl Copyright (C) 2009-2013 Peter Breitenlohner <tex-live@tug.org>
dnl
dnl This file is free software; the copyright holder
@@ -26,15 +27,6 @@ AC_CONFIG_HEADERS([config.h])[]dnl unused, to avoid zillions of -D's on command
AM_CONDITIONAL([build], [test "x$enable_build" != xno])
-if test "x$GCC" = xyes; then
- CFLAGS=${CFLAGS-"-O3"}
-fi
-
-AC_HEADER_STDC
-if test "x$ac_cv_header_stdc" != xyes; then
- AC_MSG_ERROR([Sorry, can't do anything for you without header_stdc])
-fi
-
AC_CHECK_HEADER([errno.h],
[ZLIB_DEFINES=],
[ZLIB_DEFINES="-DNO_ERRNO_H"])