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[cmake]: Skip processor detection for buildroot toolchain

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Buildroot uses it's own toolchain.cmake, which leads to completely
different CMAKE_SYSTEM_PROCESSOR settings.

And buildroot's toolchain is built for specific architecture, there's
no need to specify architecture features.

Change-Id: I6516bc083f809b01f485db7ba92b1543c6191959
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
This commit is contained in:
Jeffy Chen
2018-11-20 12:18:57 +08:00
committed by Herman Chen
parent 3e5ad4fed3
commit 1bd32f0745
1 changed files with 4 additions and 1 deletions
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5
CMakeLists.txt
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@@ -73,7 +73,10 @@ enable_testing()
string(TOLOWER "${CMAKE_SYSTEM_PROCESSOR}" SYSPROC)
set(X86_ALIASES x86 i386 i686 x86_64 amd64)
list(FIND X86_ALIASES "${SYSPROC}" X86MATCH)
if("${SYSPROC}" STREQUAL "" OR X86MATCH GREATER "-1")
if("${CMAKE_C_COMPILER}" MATCHES "-buildroot-[^/]+$")
message(STATUS "Detected Buildroot toolchain")
# Use buildroot toolchain's default architecture settings
elseif("${SYSPROC}" STREQUAL "" OR X86MATCH GREATER "-1")
message(STATUS "Detected x86 system processor")
set(X86 true)
add_definitions(-DARCH_X86=1)