build: add explicit check for charconv

Some older Apple compilers don't have it; error out early. Fixes #2347.
2022-10-15 10:45:15 +03:00
parent 84cfe205f1
commit 669ad7720e
1 changed files with 3 additions and 1 deletions
--- a/meson.build
+++ b/meson.build
@ -78,7 +78,9 @@ foreach extra_arg : extra_flags
  endif
 endforeach

-
+# some clang don't have charconv, but we need it.
+# https://github.com/djcb/mu/issues/2347
+cxx.check_header('charconv', required:true)

 ################################################################################
 # config.h setup