Squashed 'yocto-poky/' content from commit ea562de
git-subtree-dir: yocto-poky
git-subtree-split: ea562de57590c966cd5a75fda8defecd397e6436
diff --git a/meta/recipes-extended/gzip/gzip-1.3.12/m4-extensions-fix.patch b/meta/recipes-extended/gzip/gzip-1.3.12/m4-extensions-fix.patch
new file mode 100644
index 0000000..6b2f698
--- /dev/null
+++ b/meta/recipes-extended/gzip/gzip-1.3.12/m4-extensions-fix.patch
@@ -0,0 +1,56 @@
+remove AC_USE_SYSTEM_EXTENSIONS to fix the autoconf error "AC_REQUIRE: circular
+dependency of AC_GNU_SOURCE"
+
+Signed-off-by: Zhai Edwin <edwin.zhai@intel.com>
+
+Upstream-Status: Inappropriate [licensing]
+
+Index: gzip-1.3.12/m4/extensions.m4
+===================================================================
+--- gzip-1.3.12.orig/m4/extensions.m4 2010-08-16 14:18:16.000000000 +0800
++++ gzip-1.3.12/m4/extensions.m4 2010-08-16 14:21:54.000000000 +0800
+@@ -12,44 +12,6 @@
+ # enough in this area it's likely we'll need to redefine
+ # AC_USE_SYSTEM_EXTENSIONS for quite some time.
+
+-# AC_USE_SYSTEM_EXTENSIONS
+-# ------------------------
+-# Enable extensions on systems that normally disable them,
+-# typically due to standards-conformance issues.
+-AC_DEFUN([AC_USE_SYSTEM_EXTENSIONS],
+-[
+- AC_BEFORE([$0], [AC_COMPILE_IFELSE])
+- AC_BEFORE([$0], [AC_RUN_IFELSE])
+-
+- AC_REQUIRE([AC_GNU_SOURCE])
+- AC_REQUIRE([AC_AIX])
+- AC_REQUIRE([AC_MINIX])
+-
+- AH_VERBATIM([__EXTENSIONS__],
+-[/* Enable extensions on Solaris. */
+-#ifndef __EXTENSIONS__
+-# undef __EXTENSIONS__
+-#endif
+-#ifndef _POSIX_PTHREAD_SEMANTICS
+-# undef _POSIX_PTHREAD_SEMANTICS
+-#endif
+-#ifndef _TANDEM_SOURCE
+-# undef _TANDEM_SOURCE
+-#endif])
+- AC_CACHE_CHECK([whether it is safe to define __EXTENSIONS__],
+- [ac_cv_safe_to_define___extensions__],
+- [AC_COMPILE_IFELSE(
+- [AC_LANG_PROGRAM([
+-# define __EXTENSIONS__ 1
+- AC_INCLUDES_DEFAULT])],
+- [ac_cv_safe_to_define___extensions__=yes],
+- [ac_cv_safe_to_define___extensions__=no])])
+- test $ac_cv_safe_to_define___extensions__ = yes &&
+- AC_DEFINE([__EXTENSIONS__])
+- AC_DEFINE([_POSIX_PTHREAD_SEMANTICS])
+- AC_DEFINE([_TANDEM_SOURCE])
+-])
+-
+ # gl_USE_SYSTEM_EXTENSIONS
+ # ------------------------
+ # Enable extensions on systems that normally disable them,