[Debian-med-packaging] Bug#865615: mia: Reduce build-time memory usage on mips/mipsel to fix FTBFS

[Adrian Bunk]

Source: mia
Version: 2.4.4-1
Severity: serious
Tags: patch

https://buildd.debian.org/status/package.php?p=mia&suite=sid

...
virtual memory exhausted: Cannot allocate memory
mia/2d/maskedcost/CMakeFiles/2dimage-maskedcost-ncc-common.dir/build.make:65: recipe for target 'mia/2d/maskedcost/CMakeFiles/2dimage-maskedcost-ncc-common.dir/ncc.cc.o' failed
...


On mips/mipsel only 2 GB address space are available for userspace.

The following change addresses this by reducing the amount of
debug info generated to what is required for backtraces:

--- debian/rules.old	2017-06-22 21:09:04.000000000 +0000
+++ debian/rules	2017-06-22 21:39:05.000000000 +0000
@@ -1,10 +1,18 @@
 #!/usr/bin/make -f
 # -*- makefile -*-
 
+DEB_HOST_ARCH ?= $(shell dpkg-architecture -qDEB_HOST_ARCH)
+
 export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 
 export DEB_LDFLAGS_MAINT_APPEND = -Wl,--as-needed -fvisibility=hidden
 
+# reduce debug info to fix FTBFS on archs with few address space
+ifneq (,$(filter $(DEB_HOST_ARCH), mips mipsel))
+  export DEB_CFLAGS_MAINT_APPEND = -g1
+  export DEB_CXXFLAGS_MAINT_APPEND = -g1
+endif
+
 # Uncomment this to turn on verbose mode.
 #export DH_VERBOSE=1