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| author | Gil Pitney <gil.pitney@linaro.org> | 2016-01-26 22:09:37 +0000 |
|---|---|---|
| committer | Gil Pitney <gil.pitney@linaro.org> | 2016-01-26 22:09:37 +0000 |
| commit | d989ae5f5011c0351f83cb9f88dfcb30a7bb74f4 (patch) | |
| tree | 622899578624c17a3da3db01c652f4e4567f0750 | |
| parent | 95658d9e785a2d51fd02d69b462b9a001b31e3f4 (diff) | |
Updated README with LLVM config parameters
Signed-off-by: Gil Pitney <gil.pitney@linaro.org>
| -rw-r--r-- | README | 35 |
1 files changed, 23 insertions, 12 deletions
@@ -12,7 +12,7 @@ Prereqs ======= The following packages need to be installed on your system prior to build: -gcc 4.8 (for building llvm) +gcc 4.8+ (for building llvm and shamrock) cmake check libboost-all-dev @@ -27,26 +27,32 @@ BUILD LLVM Configuration: ------------------- -This was tested using LLVM 3.6.0 stable release from: -http://llvm.org/releases/download.html +This was tested using and LLVM 3.8.0 pre-release from: +http://llvm.org/git/llvm.git +branch: release_38 Note: LLVM must be configured and built with certain options to link with -shamrock for ARM. +shamrock for ARM. RTTI must be enabled. The following creates a release build for ARM, with LLVM installed into /opt/llvm: -% CC=gcc CXX=g++ ./configure --prefix=/opt/llvm --enable-jit --enable-targets=arm --enable-optimized --enable-assertions --with-float=hard --with-abi=aapcs-vfp -% make -j4 REQUIRES_RTTI=1 -% sudo make -j4 install - -See: http://llvm.org/releases/3.6.0/docs/HowToBuildOnARM.html for updates. +cmake -DCMAKE_BUILD_TYPE=Release \ + -DLLVM_TARGETS_TO_BUILD="ARM" \ + -DLLVM_ENABLE_ASSERTIONS=True \ + -DPYTHON_EXECUTABLE=/usr/bin/python \ + -DCMAKE_INSTALL_PREFIX=/opt/llvm \ + -DLLVM_ENABLE_RTTI=True \ + -DCMAKE_C_FLAGS="-mcpu=cortex-a15" \ + -DCMAKE_CXX_FLAGS="-mcpu=cortex-a15" \ + ../llvm-3.8.src +make -j4 +sudo make -j4 install Shamrock Build: --------------- - -Current Branch: master - +Current Branch: llvm_3_8 + Usage: cmake <project_src_dir> <optional_defines>* If LLVM lives in a private path: @@ -129,3 +135,8 @@ Debugging OpenCL Kernels: the kernel function itself, disassemble, and stepi through the assembly code. +3. Debugging sanity tests with gdb: + + It is best to pass the 'nofork' option to the tests program 'tests' + + |