Public bug reported:
Binaries built with gccgo-4.9 in utopic cannot be stripped at all.
Doing so causes the binaries to be un-runnable due to lack of debugging
symbols:
$ ./debian/nuntium/usr/bin/nuntium
2014/05/09 19:10:41 Connection error: Unknown address type
$ DH_VERBOSE=1 dh_strip -a
strip --remove-section=.comment --remove-section=.note
debian/nuntium/usr/bin/nuntium
strip --remove-section=.comment --remove-section=.note
debian/nuntium-decode-cli/usr/bin/nuntium-decode-cli
$ ./debian/nuntium/usr/bin/nuntium
no debug info in ELF executable errno -1
fatal error: no debug info in ELF executable
runtime stack:
no debug info in ELF executable errno -1
panic during panic
$
This problem does not manifest when building with golang-gc.
The problem is also reproducible when calling 'strip --strip-debug';
although this removes substantially fewer symbols, there are still some
go-related symbols that are removed according to objdump -x:
@@ -871,7 +853,6 @@
0000000000471380 l O .data 00000000000002f8 C.382
000000000044e520 l O .rodata 0000000000000028 C191
0000000000471680 l O .data 0000000000000028 C.383
-0000000000000000 l df *ABS* 0000000000000000 contenttype.go
00000000004513b0 l O .rodata 0000000000000010 C0
00000000004513c0 l O .rodata 0000000000000010 C1
00000000004513d0 l O .rodata 0000000000000010 C2
But even passing --keep-file-symbols to strip does not give me a working
binary.
So it looks like gccgo has a hard dependency on the contents of the
debugging sections of the binary, which gc does not.
** Affects: gcc-4.9 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1318027
Title:
binaries built with gccgo-4.9 cannot be stripped
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