[RFC] cygport: split debuginfo packages

[Jon TURNEY]

On 07/07/2012 14:10, Jon TURNEY wrote:
> On 29/06/2012 20:48, Yaakov (Cygwin/X) wrote:
>> On Thu, 2012-06-21 at 01:24 -0500, Yaakov (Cygwin/X) wrote:
>>> Attached is a first draft of a patch to support split debuginfo packages
>>> automatically in cygport.
>>
>> Second draft patch attached.
>
> This works fine.  Thanks.
>
> I was going to suggest the use of objcopy --compress-debug-sections, but it
> appears that does nothing for PE/COFF files at the moment [1] :-(
>
> [1] http://sourceware.org/bugzilla/show_bug.cgi?id=14067

That bug has been fixed for a while, so how about the attached?

This appears to reduce the disk space used by .dbg files to about 1/3 of 
the size, so seems worthwhile.

-------------- next part --------------
From 69d6127921a041022990386cb2eed4e8487e23c9 Mon Sep 17 00:00:00 2001
From: Jon TURNEY <jon.turney@dronecode.org.uk>
Date: Mon, 23 Feb 2015 12:06:07 +0000
Subject: [PATCH] prepstrip: use --compress-debug-sections

---
 lib/src_postinst.cygpart | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/src_postinst.cygpart b/lib/src_postinst.cygpart
index e7b80d4..e214e44 100644
--- a/lib/src_postinst.cygpart
+++ b/lib/src_postinst.cygpart
@@ -1053,7 +1053,7 @@ __prepstrip() {
 			if ! ${objdump} -h "${exe}" | grep -q '\.gnu_deb'
 			then
 				dodir "${dbg%/*}";
-				${objcopy} --long-section-names enable --add-gnu-debuglink=/dev/null --only-keep-debug "${exe}" "${D}${dbg}";
+				${objcopy} --long-section-names enable --add-gnu-debuglink=/dev/null --only-keep-debug --compress-debug-sections "${exe}" "${D}${dbg}";
 				chmod 0644 "${D}${dbg}";
 				${objcopy} --strip-all "${exe}";
 				${objcopy} --long-section-names enable --add-gnu-debuglink="${D}${dbg}" "${exe}" 2>/dev/null;
-- 
2.1.4