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Fix computation of REAL_GNU_TARGET_NAME

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The current computation of REAL_GNU_TARGET_NAME is incorrect for
non-ARM glibc platforms because it generates something such as
mipsel-unknown-linux- as the REAL_GNU_TARGET_NAME.

So we correct this by :

 * Adding "gnu" in the suffix when glibc is used, so that in the
   previous case we will have mipsel-unknown-linux-gnu

 * Improving the ARM_EABI code to correctly append "eabi" when glibc
   is selected, so that we have arm-unknown-linux-gnueabi, and to
   append "gnueabi" when uclibc is selected, so that we have
   arm-unknown-linux-uclibcgnueabi. The little trick here is that LIBC
   and ABI aren't completely orthogonal on ARM.

This fixes problems such as :

checking host system type... Invalid configuration
`mipsel-unknown-linux-': machine `mipsel-unknown-linux' not recognized

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Thomas Petazzoni 2010-07-29 09:30:40 +02:00
parent d58a827fe5
commit ece1f4225c
1 changed files with 10 additions and 1 deletions
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11
package/Makefile.in
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@ -93,11 +93,20 @@ LIBC=uclibc
else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_UCLIBC),y)
LIBC=uclibc
else
LIBC=
LIBC=gnu
endif
# The ABI suffix is a bit special on ARM, as it needs to be
# -uclibcgnueabi for uClibc EABI, -uclibc for uClibc OABI, -gnueabi
# for glibc EABI and -gnu for glibc OABI. This means that the LIBC and
# ABI aren't strictly orthogonal, which explains why we need the test
# on LIBC below.
ifeq ($(BR2_ARM_EABI),y)
ifeq ($(LIBC),uclibc)
ABI=gnueabi
else
ABI=eabi
endif
endif
REAL_GNU_TARGET_NAME=$(ARCH)-unknown-linux-$(LIBC)$(ABI)