build: drop official support for Ubuntu 18.04 and macOS 10.15
Increase the minimum required version of clang on linux to 7.0 because
older versions fail to compile libstdc++'s implementation of std::variant
Change-Id: Id17d95c2869634622fc8775e085b74801a486e90
diff --git a/.waf-tools/default-compiler-flags.py b/.waf-tools/default-compiler-flags.py
index f159fde..5f2d0b3 100644
--- a/.waf-tools/default-compiler-flags.py
+++ b/.waf-tools/default-compiler-flags.py
@@ -18,19 +18,22 @@
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'