From: Mike Frysinger Date: Mon, 10 Jan 2011 14:28:41 +0000 (-0500) Subject: toolchain: add a USE_MMU build option X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e5e5f5d8684a23f774baf57e1f75281e9a6519bd;p=buildroot.git toolchain: add a USE_MMU build option 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 Signed-off-by: Mike Frysinger Signed-off-by: Peter Korsgaard --- diff --git a/toolchain/helpers.mk b/toolchain/helpers.mk index eb9d7421d4..db7c7f1c5f 100644 --- a/toolchain/helpers.mk +++ b/toolchain/helpers.mk @@ -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) ;\ diff --git a/toolchain/toolchain-common.in b/toolchain/toolchain-common.in index bdc6e76d6b..9106e1f2bd 100644 --- a/toolchain/toolchain-common.in +++ b/toolchain/toolchain-common.in @@ -66,6 +66,13 @@ config BR2_NEEDS_GETTEXT_IF_LOCALE bool default y if (BR2_NEEDS_GETTEXT && BR2_ENABLE_LOCALE) +config BR2_USE_MMU + bool "Enable MMU support" if BR2_arm || BR2_armeb || BR2_mips || BR2_mipsel || BR2_sh || BR2_extensa + default y + help + If your target has a MMU, you should say Y here. If you + are unsure, just say Y. + config BR2_PREFER_SOFT_FLOAT bool default y if BR2_arm || BR2_armeb || BR2_avr32 || BR2_mips || BR2_mipsel