https://bugs.gentoo.org/968162
https://gitlab.gnome.org/GNOME/gegl/-/commit/8b609d02a76a59ab39e5901b765c1e197d285112
https://gitlab.gnome.org/GNOME/gegl/-/commit/f8366fd5963b31b31bd02ebd2e97ad2652608046

From 8b609d02a76a59ab39e5901b765c1e197d285112 Mon Sep 17 00:00:00 2001
From: Alfred Wingate <parona@protonmail.com>
Date: Sun, 15 Mar 2026 20:05:50 +0200
Subject: [PATCH 1/2] tools: allow use of NM env variable

Bug: https://bugs.gentoo.org/968162
Signed-off-by: Alfred Wingate <parona@protonmail.com>
--- a/meson.build
+++ b/meson.build
@@ -662,6 +662,8 @@ subdir('docs')
 
 
 if not os_osx and host_cpu_family != 'x86'
+  nm = find_program('nm', required: false)
+
   # Verify .def files for Windows linking.
   # We check this on non-Windows platform on CI, and on Windows itself.
   custom_target('check-def-files',
@@ -675,6 +677,7 @@ if not os_osx and host_cpu_family != 'x86'
       gegl_npd_lib,
       seamlessclone_lib
     ],
+    env: nm.found() ? { 'NM': nm.full_path() } : {},
     output: [ 'check-def-files', ],
     command: [
       python, meson.project_source_root() / 'tools' / 'defcheck.py', '@INPUT@',
--- a/tools/defcheck.py
+++ b/tools/defcheck.py
@@ -30,7 +30,7 @@ Needs the tool "nm", "objdump" or "dumpbin" to work
 
 import os, sys, subprocess, shutil
 
-from os import path
+from os import getenv, path
 
 def_files = sys.argv[1:]
 
@@ -56,7 +56,7 @@ ignore_sorting_errors = [
 have_errors = 0
 
 libextension   = ".so"
-command        = "nm --defined-only --extern-only "
+command        = getenv("NM", default="nm") + " --defined-only --extern-only "
 libprefix      = "lib"
 platform_linux = True
 
-- 
GitLab


From f8366fd5963b31b31bd02ebd2e97ad2652608046 Mon Sep 17 00:00:00 2001
From: Alfred Wingate <parona@protonmail.com>
Date: Sun, 15 Mar 2026 20:07:41 +0200
Subject: [PATCH 2/2] tools: include error message to ease debugging

Signed-off-by: Alfred Wingate <parona@protonmail.com>
--- a/tools/defcheck.py
+++ b/tools/defcheck.py
@@ -100,6 +100,7 @@ for df in def_files:
    status, nm = subprocess.getstatusoutput (command + libname)
    if status != 0:
       print("trouble reading {} - has it been compiled?".format(libname))
+      print(nm)
       have_errors = -1
       continue
 
-- 
GitLab