[src/check-static-init] Ignore objdump "file format not recognized" error

Fixes https://github.com/harfbuzz/harfbuzz/issues/3019

src/check-static-inits.py

@@ -20,9 +20,20 @@ if not OBJS:
 	sys.exit (77)
 
 stat = 0
+tested = 0
 
 for obj in OBJS:
-	result = subprocess.check_output (objdump.split () + ['-t', obj]).decode ('utf-8')
+	result = subprocess.run(objdump.split () + ['-t', obj], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+
+	if result.returncode:
+		if result.stderr.find (b'not recognized') != -1:
+			# https://github.com/harfbuzz/harfbuzz/issues/3019
+			print ('objdump %s returned "not recognized", skipping' % obj)
+			continue
+		print ('objdump %s returned error:\n%s' % (obj, result.stderr.decode ('utf-8')))
+		stat = 2
+
+	result = result.stdout.decode ('utf-8')
 
 	# Checking that no object file has static initializers
 	for l in re.findall (r'^.*\.[cd]tors.*$', result, re.MULTILINE):
@@ -35,4 +46,6 @@ for obj in OBJS:
 		print ('Ouch, %s has lazy static C++ constructors/destructors or other such stuff' % obj)
 		stat = 1
 
-sys.exit (stat)
+	tested += 1
+
+sys.exit (stat if tested else 77)