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libc: some architectures do not require baremetal libc

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When building a native application, we use the host provided libc, so do
not build minimal libc or newlib.

Signed-off-by: Alberto Escolar Piedras <alpi@oticon.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
This commit is contained in:
Anas Nashif 2017-12-21 19:26:00 -05:00 • committed by Anas Nashif
commit 95cd063280
3 changed files with 11 additions and 1 deletions
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4
lib/CMakeLists.txt
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@ -1,4 +1,6 @@
add_subdirectory(crc) add_subdirectory(crc)
add_subdirectory_ifdef(CONFIG_JSON_LIBRARY json) add_subdirectory_ifdef(CONFIG_JSON_LIBRARY json)
if(NOT CONFIG_NATIVE_APPLICATION)
add_subdirectory(libc) add_subdirectory(libc)
endif()
add_subdirectory_if_kconfig(ring_buffer) add_subdirectory_if_kconfig(ring_buffer)

1
lib/libc/Kconfig
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@ -7,6 +7,7 @@
# #
menu "C Library" menu "C Library"
depends on !NATIVE_APPLICATION
config NEWLIB_LIBC config NEWLIB_LIBC
bool bool

7
misc/Kconfig
View file

@ -122,6 +122,13 @@ config CROSS_COMPILE
need to set this unless you want the configured kernel build need to set this unless you want the configured kernel build
directory to select the cross-compiler automatically. directory to select the cross-compiler automatically.
config NATIVE_APPLICATION
bool "Build as a native host application"
default n
help
Build as a native application that can run on the host and using
resources and libraries provided by the host.
config COMPILER_OPT config COMPILER_OPT
string string
prompt "Custom compiler options" prompt "Custom compiler options"