File 0002-Set-build-flags.patch of Package golang-github-prometheus-alertmanager

Index: alertmanager-0.26.0/.promu.yml
===================================================================
--- alertmanager-0.26.0.orig/.promu.yml
+++ alertmanager-0.26.0/.promu.yml
@@ -10,7 +10,7 @@ build:
           path: ./cmd/alertmanager
         - name: amtool
           path: ./cmd/amtool
-    flags: -a
+    flags: -a -buildmode pie
     tags:
         all:
             - netgo