From 59f3388f1c15f7327ba287e3471f06f888609b25 Mon Sep 17 00:00:00 2001
From: Ximin Luo <infinity0@debian.org>
Date: Thu, 14 Sep 2017 13:35:21 +0200
Subject: [PATCH] Work around #865549, fixes FTBFS on ppc64el

---
 debian/changelog | 6 ++++++
 debian/rules     | 9 ++++++++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/debian/changelog b/debian/changelog
index d60f3bfff..4ad50a4bf 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+cargo (0.20.0-2) UNRELEASED; urgency=medium
+
+  * Work around #865549, fixes FTBFS on ppc64el.
+
+ -- Ximin Luo <infinity0@debian.org>  Thu, 14 Sep 2017 13:28:00 +0200
+
 cargo (0.20.0-1) unstable; urgency=medium
 
   * New upstream release.
diff --git a/debian/rules b/debian/rules
index 81ecff56d..f57328efd 100755
--- a/debian/rules
+++ b/debian/rules
@@ -24,8 +24,15 @@ CARGOFLAGS = --release --target=$(DEB_HOST_RUST_TYPE) --verbose
 # Cargo looks for config in and writes cache to $CARGO_HOME/
 export CARGO_HOME = $(CURDIR)/debian/cargohome
 
+# Work around #865549, needed when using older cargo that is affected by it.
+# TODO: remove after cargo/unstable is a version that was compiled with rustc
+# >= 1.18 where this bug was fixed in Debian (i.e. probably after 0.20).
+ifeq (0,$(shell test $$(uname -s) = "Linux" -a $$(getconf PAGESIZE) -gt 4096; echo $$?))
+  SYSTEM_WORKAROUNDS += ulimit -s $$(expr $$(getconf PAGESIZE) / 1024 '*' 256 + 8192);
+endif
+
 %:
-	dh $@ --with bash-completion
+	$(SYSTEM_WORKAROUNDS) dh $@ --with bash-completion
 
 override_dh_auto_configure:
 	cp -a $(CURDIR)/Cargo.lock $(CURDIR)/.Cargo.lock.orig
-- 
2.30.2