This is similar to what was done in
eea4e2ff0a3f5e7f37df204c070cc5d9ef339e6e (where it was added to
STAGE*_CXXFLAGS), but this adds the flag to the CXXFLAGS and
BOOT_CXXFLAGS variables too (as it's already added to CFLAGS and
BOOT_CFLAGS).
2021-04-09 Martin Storsjö <martin@martin.st>
config/
* mh-mingw: Set __USE_MINGW_ACCESS in missed C++ flags
variables
# Add -D__USE_MINGW_ACCESS to enable the built compiler to work on Windows
# Vista (see PR33281 for details).
BOOT_CFLAGS += -D__USE_MINGW_ACCESS -Wno-pedantic-ms-format
+BOOT_CXXFLAGS += -D__USE_MINGW_ACCESS -Wno-pedantic-ms-format
CFLAGS += -D__USE_MINGW_ACCESS
+CXXFLAGS += -D__USE_MINGW_ACCESS
STAGE1_CXXFLAGS += -D__USE_MINGW_ACCESS
STAGE2_CXXFLAGS += -D__USE_MINGW_ACCESS
STAGE3_CXXFLAGS += -D__USE_MINGW_ACCESS