1Look up .build-id files relative to the directories in the
2colon-separated environment variable NIX_DEBUG_INFO_DIRS, unless
3overriden by --debuginfo-path.
4
5diff -ru elfutils-0.169-orig/libdwfl/argp-std.c elfutils-0.169/libdwfl/argp-std.c
6--- elfutils-0.169-orig/libdwfl/argp-std.c 2017-05-02 23:05:52.000000000 +0200
7+++ elfutils-0.169/libdwfl/argp-std.c 2017-07-28 16:08:06.739558106 +0200
8@@ -376,5 +376,7 @@
9 const struct argp *
10 dwfl_standard_argp (void)
11 {
12+ debuginfo_path = getenv("NIX_DEBUG_INFO_DIRS");
13+
14 return &libdwfl_argp;
15 }
16diff -ru elfutils-0.169-orig/src/stack.c elfutils-0.169/src/stack.c
17--- elfutils-0.169-orig/src/stack.c 2017-02-24 11:55:28.000000000 +0100
18+++ elfutils-0.169/src/stack.c 2017-07-28 15:50:06.743196696 +0200
19@@ -631,6 +631,8 @@
20 /* Set locale. */
21 (void) setlocale (LC_ALL, "");
22
23+ debuginfo_path = getenv("NIX_DEBUG_INFO_DIRS");
24+
25 const struct argp_option options[] =
26 {
27 { NULL, 0, NULL, 0, N_("Input selection options:"), 0 },