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toolchain: add a USE_MMU build option

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Some packages need to know whether the MMU is in play, so add a toolchain
option to expose the feature to them.

[Peter: only show option on archs where it makes sense]
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Mike Frysinger
2011-01-10 09:28:41 -05:00
committed by Peter Korsgaard
parent f55d8dff35
commit e5e5f5d868
2 changed files with 9 additions and 0 deletions
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2
toolchain/helpers.mk
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@@ -146,6 +146,7 @@ check_glibc = \
$(call check_glibc_feature,BR2_INET_IPV6,IPv6 support) ;\
$(call check_glibc_feature,BR2_INET_RPC,RPC support) ;\
$(call check_glibc_feature,BR2_ENABLE_LOCALE,Locale support) ;\
$(call check_glibc_feature,BR2_USE_MMU,MMU support) ;\
$(call check_glibc_feature,BR2_USE_WCHAR,Wide char support) ;\
$(call check_glibc_feature,BR2_PROGRAM_INVOCATION,Program invocation support)
@@ -187,6 +188,7 @@ check_uclibc = \
exit -1; \
fi; \
UCLIBC_CONFIG_FILE=$${SYSROOT_DIR}/usr/include/bits/uClibc_config.h ; \
$(call check_uclibc_feature,__ARCH_USE_MMU__,BR2_USE_MMU,$${UCLIBC_CONFIG_FILE},MMU support) ;\
$(call check_uclibc_feature,__UCLIBC_HAS_LFS__,BR2_LARGEFILE,$${UCLIBC_CONFIG_FILE},Large file support) ;\
$(call check_uclibc_feature,__UCLIBC_HAS_IPV6__,BR2_INET_IPV6,$${UCLIBC_CONFIG_FILE},IPv6 support) ;\
$(call check_uclibc_feature,__UCLIBC_HAS_RPC__,BR2_INET_RPC,$${UCLIBC_CONFIG_FILE},RPC support) ;\