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add support for FreeBSD cross-compilation #5114

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merged 2 commits into from
Mar 30, 2020
Merged

add support for FreeBSD cross-compilation #5114

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2d79bc2
add support for FreeBSD cross-compilation
wfurt Mar 24, 2020
0210a5b
feedback from review
wfurt Mar 24, 2020
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16 changes: 15 additions & 1 deletion eng/common/cross/toolchain.cmake
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Original file line number Diff line number Diff line change
@@ -1,7 +1,11 @@
set(CROSS_ROOTFS $ENV{ROOTFS_DIR})

set(TARGET_ARCH_NAME $ENV{TARGET_BUILD_ARCH})
set(CMAKE_SYSTEM_NAME Linux)
if(EXISTS ${CROSS_ROOTFS}/bin/freebsd-version)
set(CMAKE_SYSTEM_NAME FreeBSD)
else()
set(CMAKE_SYSTEM_NAME Linux)
endif()
set(CMAKE_SYSTEM_VERSION 1)

if(TARGET_ARCH_NAME STREQUAL "armel")
Expand All @@ -27,6 +31,9 @@ elseif(TARGET_ARCH_NAME STREQUAL "arm64")
elseif(TARGET_ARCH_NAME STREQUAL "x86")
set(CMAKE_SYSTEM_PROCESSOR i686)
set(TOOLCHAIN "i686-linux-gnu")
elseif (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
set(CMAKE_SYSTEM_PROCESSOR "x86_64")
set(triple "x86_64-unknown-freebsd11")
else()
message(FATAL_ERROR "Arch is ${TARGET_ARCH_NAME}. Only armel, arm, arm64 and x86 are supported!")
endif()
Expand Down Expand Up @@ -60,6 +67,13 @@ if("$ENV{__DistroRid}" MATCHES "android.*")

# include official NDK toolchain script
include(${CROSS_ROOTFS}/../build/cmake/android.toolchain.cmake)
elseif (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
set(CLR_CMAKE_TARGET_OS FreeBSD)
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# we cross-compile by instructing clang
set(CMAKE_C_COMPILER_TARGET ${triple})
set(CMAKE_CXX_COMPILER_TARGET ${triple})
set(CMAKE_ASM_COMPILER_TARGET ${triple})
set(CMAKE_SYSROOT "${CROSS_ROOTFS}")
else()
set(CMAKE_SYSROOT "${CROSS_ROOTFS}")

Expand Down