File mozilla-reduce-rust-debuginfo.patch of Package MozillaFirefox

# HG changeset patch
# User msirringhaus@suse.de
# Date 1560754926 -7200
#      Mon Jun 17 09:02:06 2019 +0200
# Node ID 428161c3b9599083e1b8710eda1760f1f707ab11
# Parent  2a004fe4d56123f6e73a9436d1a290bbfc5e0b6b
#Description: reduce the rust debuginfo level on selected architectures where
# compiling with debuginfo=2 causes the OOM killer to interrupt the build on
# launchpad builders. Initially this was only on 32 bit architectures, but with
# firefox 63 it started happening frequently on arm64 and ppc64el too.

diff --git a/build/moz.configure/toolchain.configure b/build/moz.configure/toolchain.configure
--- a/build/moz.configure/toolchain.configure
+++ b/build/moz.configure/toolchain.configure
@@ -2145,18 +2145,19 @@ def rustc_opt_level(opt_level_option, mo
 
 
 @depends(
     rustc_opt_level,
     debug_rust,
     target,
     "--enable-debug-symbols",
     "--enable-frame-pointers",
+    host,
 )
-def rust_compile_flags(opt_level, debug_rust, target, debug_symbols, frame_pointers):
+def rust_compile_flags(opt_level, debug_rust, target, debug_symbols, frame_pointers, host):
     # Cargo currently supports only two interesting profiles for building:
     # development and release. Those map (roughly) to --enable-debug and
     # --disable-debug in Gecko, respectively.
     #
     # But we'd also like to support an additional axis of control for
     # optimization level. Since Cargo only supports 2 profiles, we're in
     # a bit of a bind.
     #
@@ -2169,16 +2170,18 @@ def rust_compile_flags(opt_level, debug_
 
     # opt-level=0 implies -C debug-assertions, which may not be desired
     # unless Rust debugging is enabled.
     if opt_level == "0" and not debug_rust:
         debug_assertions = False
 
     if debug_symbols:
         debug_info = "2"
+        if host.bitness == 32 or host.cpu == 'aarch64' or host.cpu == 'ppc64':
+            debug_info = '1'
 
     opts = []
 
     if opt_level is not None:
         opts.append("opt-level=%s" % opt_level)
     if debug_assertions is not None:
         opts.append("debug-assertions=%s" % ("yes" if debug_assertions else "no"))
     if debug_info is not None:
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