Add CI row to run clang sanitizers

Some of these are also supported by GCC, but clang supports more and clang on
Linux was uncovered before anyway, so this fixes that situation as well.

1 files changed, 6 insertions, 0 deletions

diff --git a/wscript b/wscript
index bc21d526..faeaadaa 100644
--- a/wscript
+++ b/wscript
@@ -55,6 +55,7 @@ def configure(conf):
             'clang': [
                 '-Wno-cast-align',
                 '-Wno-cast-qual',
+                '-Wno-conversion',
                 '-Wno-covered-switch-default',
                 '-Wno-disabled-macro-expansion',
                 '-Wno-double-promotion',
@@ -101,6 +102,11 @@ def configure(conf):
         if 'mingw' in conf.env.CC[0]:
             conf.env.append_value('CFLAGS', '-Wno-unused-macros')
 
+        if ('clang' in conf.env.CC[0] and (
+                '-fsanitize=address' in conf.env.CFLAGS or
+                '-fsanitize=undefined' in conf.env.CFLAGS)):
+            conf.env.LINKFLAGS.remove('-Wl,--no-undefined')
+
     conf.env.update({
         'BUILD_UTILS': not Options.options.no_utils,
         'BUILD_SHARED': not Options.options.no_shared,