Edit File: macros.dwz
# Macros for reducing debug info size using dwz(1) utility. # The two default values below should result in dwz taking at most # 3GB of RAM or so on 64-bit hosts and 2.5GB on 32-bit hosts # on the largest *.debug files (in mid 2012 those are # libreoffice-debuginfo, debuginfos containing # libxul.so.debug and libwebkitgtk-*.so.*.debug). # This needs to be tuned based on the amount of available RAM # on build boxes for each architecture as well as virtual address # space limitations if dwz is 32-bit program. While it needs less # memory than 64-bit program because pointers are smaller, it can # never have more than 4GB-epsilon of RAM and on some architecture # even less than that (e.g. 2GB). # Number of debugging information entries (DIEs) above which # dwz will stop considering file for multifile optimizations # and enter a low memory mode, in which it will optimize # in about half the memory needed otherwise. %_dwz_low_mem_die_limit 10000000 # Number of DIEs above which dwz will stop processing # a file altogether. %_dwz_max_die_limit 50000000 # On x86_64 increase the higher limit to make libwebkit* optimizable. # libwebkit* in mid 2012 contains roughly 87mil DIEs, and 64-bit # dwz is able to optimize it from ~1.1GB to ~410MB using 5.2GB of RAM. %_dwz_max_die_limit_x86_64 110000000 # On ARM, build boxes often have only 512MB of RAM and are very slow. # Lower both the limits. %_dwz_low_mem_die_limit_armv5tel 4000000 %_dwz_low_mem_die_limit_armv7hl 4000000 %_dwz_max_die_limit_armv5tel 10000000 %_dwz_max_die_limit_armv7hl 10000000 %_dwz_limit() %{expand:%%{?%{1}_%{_arch}}%%{!?%{1}_%{_arch}:%%%{1}}} %_find_debuginfo_dwz_opts --run-dwz\\\ --dwz-low-mem-die-limit %{_dwz_limit _dwz_low_mem_die_limit}\\\ --dwz-max-die-limit %{_dwz_limit _dwz_max_die_limit}
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