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kvm-unit-tests: add gcc version dependencies

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On x86 (both i386 and x86_64), the kvm-unit-tests code uses
__builtin_reachable, which appeared in gcc 4.5. This commit adds the
relevant dependencies to kvm-unit-tests:

 - on i386, we need gcc 4.5 as the target compiler

 - on x86-64, we need gcc 4.5 as the host compiler, because we use the
   host compiler to build kvm-unit-tests for this architecture

Fixes:

  http://autobuild.buildroot.net/results/21340a7e6494e23adb2fe8dc6253ab220c380fec/

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Thomas Petazzoni 2016-10-26 21:12:03 +02:00
parent e488b56cff
commit bde0250f06
1 changed files with 8 additions and 2 deletions
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10
package/kvm-unit-tests/Config.in
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@ -1,8 +1,14 @@
config BR2_PACKAGE_KVM_UNIT_TESTS
bool "kvm-unit-tests"
select BR2_HOSTARCH_NEEDS_IA32_COMPILER if BR2_x86_64=y
depends on BR2_arm || BR2_i386 || BR2_powerpc64 || \
BR2_powerpc64le || BR2_x86_64
# on i386 and x86-64, __builtin_reachable is used, so we need
# gcc 4.5 at least. on i386, we use the target gcc, while on
# x86-64 we use the host gcc (see .mk file for details)
depends on BR2_arm || \
(BR2_i386 && BR2_TOOLCHAIN_GCC_AT_LEAST_4_5) || \
BR2_powerpc64 || \
BR2_powerpc64le || \
(BR2_x86_64 && BR2_HOST_GCC_AT_LEAST_4_5)
help
kvm-unit-tests is a project as old as KVM. As its name
suggests, it's purpose is to provide unit tests for KVM. The