kumquat-buildroot/package/libunwind/Config.in
Yann E. MORIN a84acbb4a7 package/libunwind: simplify architecture dependencies
BR2_ARM_CPU_HAS_ARM already embeddeds the fact that this is an ARM chip,
so (BR2_arm || BR2_armeb) is forcibly true when BR2_ARM_CPU_HAS_ARM is.

In other words, BR2_ARM_CPU_HAS_ARM can't be true unless either BR2_arm
or BR2_armeb itslef is true.

Simplify the logic accordingly.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Romain Naour <romain.naour@openwide.fr>
Acked-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2017-05-04 23:21:04 +02:00

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# libunwind is only available for a certain subset of the
# architectures (as visible in the list of architectures supported
# with the glibc C library below).
#
# In addition to this, on some architectures libunwind requires the
# *context() function from the C library, which are only available on
# certain architectures in uClibc, and not available at all on
# musl. But on some other architectures, libunwind works without using
# the *context() functions, which allows it to be built with musl.
config BR2_PACKAGE_LIBUNWIND_ARCH_SUPPORTS
bool
default y if BR2_TOOLCHAIN_USES_GLIBC && \
(BR2_ARM_CPU_HAS_ARM || BR2_mips || BR2_mipsel || BR2_mips64 || \
BR2_mips64el || BR2_powerpc || BR2_sh || BR2_i386 || BR2_x86_64)
default y if BR2_TOOLCHAIN_USES_UCLIBC && \
(BR2_ARM_CPU_HAS_ARM || BR2_mips || BR2_mipsel || \
BR2_mips64 || BR2_mips64el || BR2_x86_64)
default y if BR2_TOOLCHAIN_USES_MUSL && \
(BR2_ARM_CPU_HAS_ARM || BR2_i386 || BR2_x86_64)
config BR2_PACKAGE_LIBUNWIND
bool "libunwind"
depends on BR2_TOOLCHAIN_HAS_THREADS
depends on BR2_PACKAGE_LIBUNWIND_ARCH_SUPPORTS
help
C API to determine the call-chain of a program.
http://www.nongnu.org/libunwind/index.html
comment "libunwind needs a toolchain w/ threads"
depends on BR2_PACKAGE_LIBUNWIND_ARCH_SUPPORTS
depends on !BR2_TOOLCHAIN_HAS_THREADS