Commit Graph

7 Commits

Author SHA1 Message Date
Peter Mitsis fb624c9d54 kbuild: Add libgcc.a directory to xtools search path
Informs the 'xtools' toolchain where to look for the libgcc.a library when
linking.

Change-Id: Ic990f1522dd8ddc9c5baf1366505e49929130969
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
2016-02-05 20:14:16 -05:00
Peter Mitsis cbf6d5b470 kbuild: Update xtools toolchain default versions
Aligns the default version of the xtools toolchain to that specified by the
x86.config and arm.config files under 'scripts/cross_compiler'.

Change-Id: Ib05766871a85de98c5ead19e15d740073f2f42cf
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
2016-02-05 20:14:16 -05:00
Anas Nashif e439f510f8 Kbuild: link against libc only for newlib
Right now we are building minimal libc as an archive (lib.a)
and do not need to link against -lc -lm in that case.
Link against libc/libm only when using an external libc.

Change-Id: I1af0eaf5c059bd5f0c8c16cda28114c6dc10b156
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:14:09 -05:00
Anas Nashif 19f0ff2756 Kbuild: enable toolchain newlib library instead of minimal libc
This options allows us to link against newlib instead of the
integrated minimal c library.

Change-Id: I20990354d74c08f2f6348f0aeea452b8f0f4c8e9
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:14:09 -05:00
Anas Nashif 369cf08e29 Kbuild: Support toolchain auxiliary libraries per variant
This allows a toolchain to define the auxiliary libraries in
scripts/Makefile.toolchain.{variant} with more flexibility.

Change-Id: Iaae9c7613ddcbcc8376b7e756aa4b675db680737
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:14:09 -05:00
Anas Nashif 0467c632cb Kbuild: Error when toolchain path is not set
Change-Id: I53c74f8bbafe5438ff6b01eb21d2d54b1b34702a
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:14:08 -05:00
Anas Nashif aca245d96f Kbuild: Add support for multiple toolchains
To use this, export the following:

export VXMICRO_GCC_VARIANT=yocto # for yocto
export VXMICRO_GCC_VARIANT=xtools # for crosstool-ng

export YOCTO_SDK_INSTALL_DIR=/opt/poky-tm/1.8
or
export XTOOLS_TOOLCHAIN_PATH=/opt/crosstool-ng

Change-Id: I9cd6062ecc32047d1582aad46209f4232e0e31f6
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-02-05 20:14:08 -05:00