build: link with lld if available

Change-Id: I14c83c7038abd5d1b58eee3d8a3b6db127ef4b58

.waf-tools/default-compiler-flags.py

@@ -137,9 +137,7 @@ class GccBasicFlags(CompilerFlags):
     def getGeneralFlags(self, conf):
         flags = super(GccBasicFlags, self).getGeneralFlags(conf)
         flags['CXXFLAGS'] += ['-std=c++17']
-        if Utils.unversioned_sys_platform() == 'linux':
-            flags['LINKFLAGS'] += ['-fuse-ld=gold']
-        elif Utils.unversioned_sys_platform() == 'freebsd':
+        if Utils.unversioned_sys_platform() != 'darwin':
             flags['LINKFLAGS'] += ['-fuse-ld=lld']
         return flags
 

manpages/conf.py

@@ -30,7 +30,7 @@ needs_sphinx = '4.0'
 extensions = []
 
 templates_path = ['_templates']
-exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']
+exclude_patterns = ['Thumbs.db', '.DS_Store']
 
 
 # -- Options for manual page output ------------------------------------------