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kbuild: add CONFIG_ prefix to USE_PRIVATE_LIBGCC

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Before this commit, USE_PRIVATE_LIBGCC was defined in
arch-specific config.mk and referenced in
arch/$(ARCH)/lib/Makefile.

We are not happy about parsing config.mk again and again.
We have to keep the same behavior with a different way.

By adding "CONFIG_" prefix, this macro appears
in include/autoconf.mk, include/spl-autoconf.mk.
(And treating USE_PRIVATE_LIBGCC as CONFIG macro
is reasonable enough.)

Tegra SoC family defined USE_PRIVATE_LIBGCC as "yes"
in arch/arm/cpu/arm720t/tegra*/config.mk,
whereas did not define it in arch/arm/cpu/armv7/tegra*/config.mk.

It means Tegra enables PRIVATE_LIBGCC only for SPL.
We can describe the same behavior by adding

  #ifdef CONFIG_SPL_BUILD
  # define CONFIG_USE_PRIVATE_LIBGCC
  #endif

to include/configs/tegra-common.h.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Tom Warren <twarren@nvidia.com>
Cc: Simon Glass <sjg@chromium.org>
Acked-by: Stephen Warren <swarren@nvidia.com>
This commit is contained in:
Masahiro Yamada
2014-03-05 16:59:38 +09:00
committed by Tom Rini
parent e91df49fbb
commit cd2e46cb38
12 changed files with 15 additions and 94 deletions
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4
include/configs/tegra-common.h
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@@ -151,6 +151,10 @@
#define CONFIG_SPL_SERIAL_SUPPORT
#define CONFIG_SPL_GPIO_SUPPORT
#ifdef CONFIG_SPL_BUILD
# define CONFIG_USE_PRIVATE_LIBGCC
#endif
#define CONFIG_SYS_GENERIC_BOARD
/* Misc utility code */