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gcc-target.inc: configure gcc for armv7ve targets to default to armv7ve

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Originally these ARM specific EXTRA_OECONF options were applied to
both gcc for the target and gcc-cross. That lead to a compromise
being made: gcc on the target was configured to default to an ARM
architecture which was at least compatible with the target (but not
necessarily an exact match) and gcc-cross was configured default to
armv7a for both armv7a and armv7ve (to avoid gcc-cross rebuilds when
switching between the two).

However, when these ARM specific EXTRA_OECONF options were moved from
gcc-configure-common.inc into gcc-target.inc (ie they were made to
apply only to gcc on the target) the compromise no longer needed to
be made.

  http://git.openembedded.org/openembedded-core/commit/?id=851937dde81de2a9ef54c5f19a78fb12fb82afd4

(From OE-Core rev: 3c368282741e9de1f96988e127b86a6a01b6a26f)

Signed-off-by: Andre McCurdy <armccurdy@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Andre McCurdy
2018-06-06 21:34:38 -07:00
committed by Richard Purdie
parent 9a855aa403
commit 76b414c3cd
1 changed files with 6 additions and 5 deletions
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11
meta/recipes-devtools/gcc/gcc-target.inc
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@@ -9,13 +9,14 @@ EXTRA_OECONF_PATHS = "\
EXTRA_OECONF_append_linuxstdbase = " --enable-clocale=gnu"
# ARMv6+ adds atomic instructions that affect the ABI in libraries built
# with TUNE_CCARGS in gcc-runtime. Make the compiler default to a
# compatible architecture. armv6 and armv7a cover the minimum tune
# features used in OE.
# Configure gcc running on the target to default to an architecture which will
# be compatible with that of gcc-runtime (which is cross compiled to be target
# specific). For example, for ARM, ARMv6+ adds atomic instructions that may
# affect the ABI in the gcc-runtime libs. Since we can't rely on gcc on the
# target to always be passed -march etc, its built-in default needs to be safe.
EXTRA_OECONF_append_armv6 = " --with-arch=armv6"
EXTRA_OECONF_append_armv7a = " --with-arch=armv7-a"
EXTRA_OECONF_append_armv7ve = " --with-arch=armv7-a"
EXTRA_OECONF_append_armv7ve = " --with-arch=armv7ve"
# libcc1 requres gcc_cv_objdump when cross build, but gcc_cv_objdump is
# set in subdir gcc, so subdir libcc1 can't use it, export it here to