08febe5819
Encapsulated gem5-specific code into wrapper functions to separate the build process (Fail: CMake, gem5: scons). Added some gem5-related FIXMEs. Another CMake related FIXME added. +some cosmetics. Change-Id: Id84b480127b1f13aed6a0ee97f3583f410d531c5
40 lines
1.4 KiB
CMake
40 lines
1.4 KiB
CMake
#### gem5-specific stuff
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if(BUILD_GEM5)
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message(STATUS "[${PROJECT_NAME}] Building gem5 variant ...")
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SET(VARIANT gem5)
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set(gem5_src_dir ${PROJECT_SOURCE_DIR}/simulators/gem5)
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set(gem5_wrapper ${PROJECT_SOURCE_DIR}/src/core/sal/gem5)
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set(gem5_build_config build/ARM/gem5.debug)
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set(core_count 9)
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# FIXMEs:
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# - incremental builds working?
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# - dependency for modified .cc files not correctly checked
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# - core_count should be derived from the parent make -jX parameter
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# - make gem5_build_config configurable in CMake
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# (alternative: gem5_build_config is set based on the CMake build
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# config, e.g., "Debug" or "Release")
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# Enable ExternalProject CMake module
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include(ExternalProject)
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# Use cmake's external project feature to build gem5 (and link FailGem5)
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ExternalProject_Add(
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FailGem5_binary_external # the (unique) name of this custom target (= external project)
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# Disable update, patch and configure step:
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UPDATE_COMMAND ""
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PATCH_COMMAND ""
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CONFIGURE_COMMAND ""
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SOURCE_DIR ${gem5_src_dir}
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BINARY_DIR ${gem5_src_dir}
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# Build gem5 using scons build system:
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BUILD_COMMAND scons EXTRAS=${gem5_wrapper} ${gem5_build_config} -j${core_count}
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# Disable install step (for now)
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INSTALL_COMMAND ""
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)
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# Build "fail" library first (will be statically linked to gem5)
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add_dependencies(FailGem5_binary_external fail)
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endif(BUILD_GEM5)
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