From f1c32c3ef0c1b8b7fe921e8777a8298bc3272e72 Mon Sep 17 00:00:00 2001
From: Davide Pesavento <davidepesa@gmail.com>
Date: Wed, 26 Apr 2023 15:34:51 -0400
Subject: [PATCH] build: align minimum build requirements with ndn-cxx

Change-Id: Ie9c1258156f16d72288f8a25879680854aba3cd1
---
 .jenkins                             |  3 +++
 .waf-tools/default-compiler-flags.py | 15 +++++++++------
 2 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/.jenkins b/.jenkins
index 0f40e00..92b9dae 100755
--- a/.jenkins
+++ b/.jenkins
@@ -32,6 +32,9 @@ if [[ $JOB_NAME == *"code-coverage" ]]; then
     export DISABLE_HEADERS_CHECK=yes
 fi
 
+# https://reproducible-builds.org/docs/source-date-epoch/
+export SOURCE_DATE_EPOCH=$(git log -1 --format=%ct)
+
 for file in .jenkins.d/*; do
     [[ -f $file && -x $file ]] || continue
 
diff --git a/.waf-tools/default-compiler-flags.py b/.waf-tools/default-compiler-flags.py
index 3a7bf66..8c71871 100644
--- a/.waf-tools/default-compiler-flags.py
+++ b/.waf-tools/default-compiler-flags.py
@@ -18,19 +18,22 @@ def configure(conf):
     if cxx == 'gcc':
         if ccver < (7, 4, 0):
             errmsg = ('The version of gcc you are using is too old.\n'
-                      'The minimum supported gcc version is 7.4.')
+                      'The minimum supported gcc version is 9.3.')
+        elif ccver < (9, 3, 0):
+            warnmsg = ('Using a version of gcc older than 9.3 is not '
+                       'officially supported and may result in build failures.')
         conf.flags = GccFlags()
     elif cxx == 'clang':
         if Utils.unversioned_sys_platform() == 'darwin':
             if ccver < (10, 0, 0):
                 errmsg = ('The version of Xcode you are using is too old.\n'
-                          'The minimum supported Xcode version is 11.3.')
-            elif ccver < (11, 0, 0):
-                warnmsg = ('Using a version of Xcode older than 11.3 is not '
+                          'The minimum supported Xcode version is 12.4.')
+            elif ccver < (12, 0, 0):
+                warnmsg = ('Using a version of Xcode older than 12.4 is not '
                            'officially supported and may result in build failures.')
-        elif ccver < (6, 0, 0):
+        elif ccver < (7, 0, 0):
             errmsg = ('The version of clang you are using is too old.\n'
-                      'The minimum supported clang version is 6.0.')
+                      'The minimum supported clang version is 7.0.')
         conf.flags = ClangFlags()
     else:
         warnmsg = f'{cxx} compiler is unsupported'