Visual Studio 2019 handle it as an error.

FAILED: subprojects/libsoup/libsoup/1b29d39@@soup-2.4@sha/meson-generated_.._soup-enum-types.c.obj
cl @subprojects/libsoup/libsoup/1b29d39@@soup-2.4@sha/meson-generated_.._soup-enum-types.c.obj.rsp
subprojects\glib\glib/gmacros.h(824): error C4819:
    The file contains a character that cannot be represented in the current code page (949).
    Save the file in Unicode format to prevent data loss