[Debian-med-packaging] Bug#865012: Fix for the htslib i386 FTBFS

[Adrian Bunk]

Control: tags -1 patch

htslib is not following the aliasing rules as defined in the C standard, 
and telling gcc not to optimize based on the strict aliasing rules fixes 
this FTBFS.

cu
Adrian


--- debian/rules.old	2017-07-17 14:26:18.000000000 +0000
+++ debian/rules	2017-07-17 14:27:01.000000000 +0000
@@ -3,6 +3,9 @@
 # export DEB_BUILD_MAINT_OPTIONS = hardening=+all # Build fails due to -fpie
 export DEB_BUILD_MAINT_OPTIONS = hardening=+bindnow
 
+# see #865012
+export DEB_CFLAGS_MAINT_APPEND = -fno-strict-aliasing
+
 export DH_VERBOSE=1
 DEB_VERSION := $(shell dpkg-parsechangelog | egrep '^Version:' | cut -f 2 -d ' ')