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[COMMITTED] NaCl: Do not install <sys/mtio.h>.

Message ID 20150911212142.B437B2C39F1@topped-with-meat.com
State New
Headers show

Commit Message

Roland McGrath Sept. 11, 2015, 9:21 p.m. UTC 
I'm putting this on both trunk and 2.22 branch.  It is a user-visible
change and I didn't bother filing in bugzilla, because no NaCl application
developer will actually see the 2.22-release version before this change.


Thanks,
Roland


2015-09-11  Roland McGrath  <roland@hack.frob.com>

	* sysdeps/nacl/Makefile [$(subdir) = misc] (sysdep_headers):
	Use 'override' keyword to freeze the value here, preventing
	the addition of sys/mtio.h by sysdeps/gnu/Makefile.
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Patch

diff --git a/sysdeps/nacl/Makefile b/sysdeps/nacl/Makefile
index 6749a44..1748886 100644
--- a/sysdeps/nacl/Makefile
+++ b/sysdeps/nacl/Makefile
@@ -132,4 +132,13 @@  ifeq ($(subdir),misc)
 # sysdeps/.../linux/ directories, but it's still a sysdeps decision to
 # install it.
 sysdep_headers += bits/mman-linux.h
+
+# This defeats sysdeps/gnu/Makefile's addition of sys/mtio.h, which
+# we do not want.  This is a total kludge, but it seems no worse for
+# now than making the sysdeps/gnu/Makefile code conditional on a
+# variable we set here.  If some sysdeps/.../Makefile that is later
+# in the list than sysdeps/gnu needed to add to sysdep_headers, this
+# would break it.  But sysdeps/gnu is close to last in the list and
+# this coming up seems unlikely.
+override sysdep_headers := $(sysdep_headers)
 endif