package: set CXX to false rather than "" if no C++ support is enabled
Some configure scripts seems to ignore CXX settings if it is set to the empty string, and goes back to the default (<arch>-linux-g++), so use false instead, as that will loudly break the build if the C++ compiler is ever used. Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
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@ -371,7 +371,7 @@ DISABLE_IPV6= --disable-ipv6
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endif
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ifneq ($(BR2_GCC_CROSS_CXX),y)
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TARGET_CONFIGURE_OPTS+=CXX=""
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TARGET_CONFIGURE_OPTS+=CXX=false
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endif
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ifeq ($(BR2_ENABLE_DEBUG),y)
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