57 lines
1.8 KiB
Diff
57 lines
1.8 KiB
Diff
remove AC_USE_SYSTEM_EXTENSIONS to fix the autoconf error "AC_REQUIRE: circular
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dependency of AC_GNU_SOURCE"
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Signed-off-by: Zhai Edwin <edwin.zhai@intel.com>
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Upstream-Status: Inappropriate [licensing]
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Index: gzip-1.3.12/m4/extensions.m4
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===================================================================
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--- gzip-1.3.12.orig/m4/extensions.m4 2010-08-16 14:18:16.000000000 +0800
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+++ gzip-1.3.12/m4/extensions.m4 2010-08-16 14:21:54.000000000 +0800
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@@ -12,44 +12,6 @@
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# enough in this area it's likely we'll need to redefine
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# AC_USE_SYSTEM_EXTENSIONS for quite some time.
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-# AC_USE_SYSTEM_EXTENSIONS
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-# ------------------------
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-# Enable extensions on systems that normally disable them,
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-# typically due to standards-conformance issues.
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-AC_DEFUN([AC_USE_SYSTEM_EXTENSIONS],
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-[
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- AC_BEFORE([$0], [AC_COMPILE_IFELSE])
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- AC_BEFORE([$0], [AC_RUN_IFELSE])
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-
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- AC_REQUIRE([AC_GNU_SOURCE])
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- AC_REQUIRE([AC_AIX])
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- AC_REQUIRE([AC_MINIX])
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-
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- AH_VERBATIM([__EXTENSIONS__],
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-[/* Enable extensions on Solaris. */
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-#ifndef __EXTENSIONS__
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-# undef __EXTENSIONS__
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-#endif
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-#ifndef _POSIX_PTHREAD_SEMANTICS
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-# undef _POSIX_PTHREAD_SEMANTICS
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-#endif
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-#ifndef _TANDEM_SOURCE
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-# undef _TANDEM_SOURCE
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-#endif])
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- AC_CACHE_CHECK([whether it is safe to define __EXTENSIONS__],
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- [ac_cv_safe_to_define___extensions__],
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- [AC_COMPILE_IFELSE(
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- [AC_LANG_PROGRAM([
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-# define __EXTENSIONS__ 1
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- AC_INCLUDES_DEFAULT])],
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- [ac_cv_safe_to_define___extensions__=yes],
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- [ac_cv_safe_to_define___extensions__=no])])
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- test $ac_cv_safe_to_define___extensions__ = yes &&
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- AC_DEFINE([__EXTENSIONS__])
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- AC_DEFINE([_POSIX_PTHREAD_SEMANTICS])
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- AC_DEFINE([_TANDEM_SOURCE])
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-])
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-
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# gl_USE_SYSTEM_EXTENSIONS
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# ------------------------
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# Enable extensions on systems that normally disable them,
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