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[arm] reset all multilib variables

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NB.  This configuration does not build in GCC-7 and doesn't build now either.

This patch resets a couple of multlib variables which previously were
not cleared.

It almost certainly needs further work to make it use the new option
framework correctly, but since the library configurations are already
clearly wrong, it's not clear what the changes need to be.  In
particular it tries to build a hard-float library for ARM7TDMI in both
ARM and thumb modes, but ARMv4t does not support any floating-point
instructions; furthermore, GCC has never supported a hard-float thumb1
library.

	* config/arm/t-phoenix (MULTILIB_REUSE): Clear variable.
	(MULTILIB_REQUIRED): Likewise.

From-SVN: r249303
This commit is contained in:
Richard Earnshaw 2017-06-16 21:06:01 +00:00 committed by Richard Earnshaw
parent e167433768
commit 99d6bcf7ae
2 changed files with 16 additions and 9 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2017-06-16 Richard Earnshaw <rearnsha@arm.com>
* config/arm/t-phoenix (MULTILIB_REUSE): Clear variable.
(MULTILIB_REQUIRED): Likewise.
2017-06-16 Richard Earnshaw <rearnsha@arm.com>
* config/arm/t-linux-eabi (MULTILIB_EXCEPTIONS): Set to empty.

20
gcc/config/arm/t-phoenix
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@ -16,14 +16,16 @@
# along with GCC; see the file COPYING3. If not see
# <http://www.gnu.org/licenses/>.
MULTILIB_OPTIONS = marm/mthumb
MULTILIB_DIRNAMES = arm thumb
MULTILIB_EXCEPTIONS =
MULTILIB_MATCHES =
MULTILIB_OPTIONS = marm/mthumb
MULTILIB_DIRNAMES = arm thumb
MULTILIB_EXCEPTIONS =
MULTILIB_MATCHES =
MULTILIB_REUSE =
MULTILIB_REQUIRED =
MULTILIB_OPTIONS += mfloat-abi=hard
MULTILIB_DIRNAMES += fpu
MULTILIB_MATCHES += mfloat-abi?hard=mhard-float
MULTILIB_OPTIONS += mfloat-abi=hard
MULTILIB_DIRNAMES += fpu
MULTILIB_MATCHES += mfloat-abi?hard=mhard-float
MULTILIB_OPTIONS += mno-thumb-interwork/mthumb-interwork
MULTILIB_DIRNAMES += normal interwork
MULTILIB_OPTIONS += mno-thumb-interwork/mthumb-interwork
MULTILIB_DIRNAMES += normal interwork