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enable Hexagon target from cmake

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This patch allows us to use cmake to specify a cross compiler for Hexagon.

In particular, the patch adds a missing case for the target Hexagon in
cmake/config-ix.cmake, and it moves LLVM_DEFAULT_TARGET_TRIPLE and TARGET_TRIPLE
variables from cmake/config-ix.cmake to the toplevel CMakeLists.txt to make them
available at configure time. Here is the command line that I have used to test
my patches:

$ cmake -G Ninja -D BUILD_SHARED_LIBS:BOOL=ON -D LLVM_TARGETS_TO_BUILD:STRING=Hexagon -D TARGET_TRIPLE:STRING=hexagon-unknown-linux-gnu -D LLVM_DEFAULT_TARGET_TRIPLE:STRING=hexagon-unknown-linux-gnu -D LLVM_TARGET_ARCH:STRING=hexagon-unknown-linux-gnu -D LLVM_ENABLE_PIC:BOOL=OFF ..
$ ninja check

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161504 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sebastian Pop 2012-08-08 17:45:43 +00:00
parent 8a403d326e
commit 6174fd7ed0
2 changed files with 11 additions and 7 deletions
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11
CMakeLists.txt
View File

@ -116,8 +116,15 @@ option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpret
set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so") set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h") set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
set(LLVM_TARGET_ARCH "host" set(LLVM_TARGET_ARCH "host" CACHE STRING
CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.") "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
# By default, we target the host, but this can be overridden at CMake
# invocation time.
set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_TARGET_ARCH}" CACHE STRING
"Default target for which LLVM will generate code." )
set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}" CACHE STRING
"Default target for which LLVM will generate code." )
option(LLVM_ENABLE_THREADS "Use threads if available." ON) option(LLVM_ENABLE_THREADS "Use threads if available." ON)

7
cmake/config-ix.cmake
View File

@ -291,12 +291,7 @@ check_cxx_compiler_flag("-Wno-variadic-macros" SUPPORTS_NO_VARIADIC_MACROS_FLAG)
include(GetHostTriple) include(GetHostTriple)
get_host_triple(LLVM_HOST_TRIPLE) get_host_triple(LLVM_HOST_TRIPLE)
# By default, we target the host, but this can be overridden at CMake
# invocation time.
set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}")
set(LLVM_HOSTTRIPLE "${LLVM_HOST_TRIPLE}") set(LLVM_HOSTTRIPLE "${LLVM_HOST_TRIPLE}")
set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}")
# Determine the native architecture. # Determine the native architecture.
string(TOLOWER "${LLVM_TARGET_ARCH}" LLVM_NATIVE_ARCH) string(TOLOWER "${LLVM_TARGET_ARCH}" LLVM_NATIVE_ARCH)
@ -324,6 +319,8 @@ elseif (LLVM_NATIVE_ARCH MATCHES "xcore")
set(LLVM_NATIVE_ARCH XCore) set(LLVM_NATIVE_ARCH XCore)
elseif (LLVM_NATIVE_ARCH MATCHES "msp430") elseif (LLVM_NATIVE_ARCH MATCHES "msp430")
set(LLVM_NATIVE_ARCH MSP430) set(LLVM_NATIVE_ARCH MSP430)
elseif (LLVM_NATIVE_ARCH MATCHES "hexagon")
set(LLVM_NATIVE_ARCH Hexagon)
else () else ()
message(FATAL_ERROR "Unknown architecture ${LLVM_NATIVE_ARCH}") message(FATAL_ERROR "Unknown architecture ${LLVM_NATIVE_ARCH}")
endif () endif ()