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--- gl/m4/extensions.m4.orig 2014-03-04 21:41:56 UTC
+++ gl/m4/extensions.m4
@@ -16,6 +16,7 @@
# warning: AC_COMPILE_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS
# or warning: AC_RUN_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS
# the fix is
+m4_ifndef([AC_USE_SYSTEM_EXTENSIONS],[
# 1) to ensure that AC_USE_SYSTEM_EXTENSIONS is never directly invoked
# but always AC_REQUIREd,
# 2) to ensure that for each occurrence of
@@ -49,6 +50,7 @@
except with this defined.])
AC_DEFINE([_MINIX], [1],
[Define to 1 if on MINIX.])
+])
AC_DEFINE([_NETBSD_SOURCE], [1],
[Define to 1 to make NetBSD features available. MINIX 3 needs this.])
fi
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