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toolchain/toolchain-common.in: add BR2_TOOLCHAIN_HAS_LIBQUADMATH hidden symbol

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This hidden symbol allow to know when libquadmath can be built and
installed.

Also, declaring this symbol in toolchain-common.in allows to use it in
both external and buildroot toolchain backend.

This will be needed for adding/improving the fortran support.

Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Cc: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Samuel Martin 2016-07-03 15:47:37 +02:00 committed by Thomas Petazzoni
parent e122862c24
commit b16f8c7876
1 changed files with 10 additions and 0 deletions
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10
toolchain/toolchain-common.in
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@ -419,3 +419,13 @@ config BR2_TOOLCHAIN_HAS_ATOMIC
default y if BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 && BR2_armeb
default y if BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 && BR2_xtensa
default y if BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 && BR2_ARCH_IS_64
# - libquadmath is not needed/available on all architectures (but gcc
# correctly handles this already).
# - At least, libquadmath is available on:
# - i*86
# - x86_64
# - When available, libquadmath requires wchar support.
config BR2_TOOLCHAIN_HAS_LIBQUADMATH
bool
default y if BR2_i386 || BR2_x86_64