From b3658bc01bec22a5c3c70e818918c12d2bc0baf5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= Date: Tue, 22 Sep 2015 21:33:48 +0200 Subject: [PATCH] separateDebugInfo: compress it by default Using zlib should be cheap enough and save lots of HDD space. Case study (glib): 11 MB -> 4 MB. --- pkgs/build-support/setup-hooks/separate-debug-info.sh | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/pkgs/build-support/setup-hooks/separate-debug-info.sh b/pkgs/build-support/setup-hooks/separate-debug-info.sh index 317f13beffd..1f27cb0ffd6 100644 --- a/pkgs/build-support/setup-hooks/separate-debug-info.sh +++ b/pkgs/build-support/setup-hooks/separate-debug-info.sh @@ -30,7 +30,14 @@ _separateDebugInfo() { # Extract the debug info. header "separating debug info from $i (build ID $id)" mkdir -p "$dst/${id:0:2}" - objcopy --only-keep-debug "$i" "$dst/${id:0:2}/${id:2}.debug" + objcopy --only-keep-debug "$i" "$dst/${id:0:2}/${id:2}.debug" --compress-debug-sections strip --strip-debug "$i" done } + +# - We might prefer to compress the debug info during link-time already, +# but our ld doesn't support --compress-debug-sections=zlib (yet). +# - Debug info may cause due to excessive memory usage during linking. +# Using -Wa,--compress-debug-sections should help with that; +# further interesting information: https://gcc.gnu.org/wiki/DebugFission +