/usr/src/gcc-4.9/debian/patches/libcilkrts-targets.diff is in gcc-4.9-source 4.9.3-13ubuntu2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | # DP: Disable libcilkrts on KFreeBSD and the Hurd. See #734973.
Index: b/src/libcilkrts/configure.tgt
===================================================================
--- a/src/libcilkrts/configure.tgt
+++ b/src/libcilkrts/configure.tgt
@@ -46,7 +46,7 @@
if test x$enable_libcilkrts = x ; then
# Enable libcilkrts by default on hosted POSIX systems.
case "${target}" in
- *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
+ *-*-linux* | *-*-kopensolaris*-gnu)
;;
*-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
;;
|