[gdb/testsuite] Compile index-cache.c with -Wl,--build-id
authorTom de Vries <tdevries@suse.de>
Fri, 21 Jun 2019 21:56:18 +0000 (23:56 +0200)
committerTom de Vries <tdevries@suse.de>
Fri, 21 Jun 2019 21:56:18 +0000 (23:56 +0200)
commitc596f180a130c85faf8942d161be9ecf71c6791c
tree4645c18fb7642c957d7863b3c45807730fce4649
parentad692897c12247d1f8fe4e6a2f6e6d9f22703170
[gdb/testsuite] Compile index-cache.c with -Wl,--build-id

When testing gdb.base/index-cache.exp using a gcc build without
--enable-linker-build-id we get:
...
FAIL: gdb.base/index-cache.exp: \
  test_cache_enabled_miss: at least one file was created
FAIL: gdb.base/index-cache.exp: \
  test_cache_enabled_miss: couldn't get executable build id
FAIL: gdb.base/index-cache.exp: \
test_cache_enabled_hit: check index-cache stats
...

With "set debug index-cache on" we find:
...
(gdb) file index-cache
Reading symbols from index-cache...
index cache: objfile index-cache has no build id
...

The problem is that a build-id is required for the index-cache functionality.

Fix this by compiling index-cache.c with -Wl,--build-id.

Tested on x86_64-linux.

gdb/testsuite/ChangeLog:

2019-06-21  Tom de Vries  <tdevries@suse.de>

* gdb.base/index-cache.exp: Add additional_flags=-Wl,--build-id.
gdb/testsuite/ChangeLog
gdb/testsuite/gdb.base/index-cache.exp