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ggml-cpu : conditionally add SpacemiT IME kernel sources (#27961)

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When building with gcc < 15, CMakeLists.txt unconditionally adds
ime2_kernels.cpp, which fails to compile. FindSMTIME.cmake only defines
RISCV64_SPACEMIT_IME2 when the IME2 instructions are detected, and gcc 14
only has IME1, so ime2_kernels.cpp hits its #error.

This PR fixes it by using IN_LIST to add each kernel source according to
the spec that was actually detected.
This commit is contained in:
Alan Tseng
2026-09-02 09:12:28 +03:00
committed by GitHub
parent 43d87ff2dd
commit 2637dfe373
1 changed files with 6 additions and 2 deletions
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ggml/src/ggml-cpu/CMakeLists.txt
+6 -2
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@@ -455,12 +455,16 @@ function(ggml_add_cpu_backend_variant_impl tag_name)
ggml-cpu/spacemit/repack.h
ggml-cpu/spacemit/ime_env.cpp
ggml-cpu/spacemit/ime_env.h
ggml-cpu/spacemit/ime1_kernels.cpp
ggml-cpu/spacemit/ime2_kernels.cpp
ggml-cpu/spacemit/ime_kernels.h
ggml-cpu/spacemit/rvv_kernels.cpp
ggml-cpu/spacemit/rvv_kernels.h
)
if ("RISCV64_SPACEMIT_IME1" IN_LIST RISCV64_SPACEMIT_IME_SPEC)
list(APPEND GGML_CPU_SOURCES ggml-cpu/spacemit/ime1_kernels.cpp)
endif()
if ("RISCV64_SPACEMIT_IME2" IN_LIST RISCV64_SPACEMIT_IME_SPEC)
list(APPEND GGML_CPU_SOURCES ggml-cpu/spacemit/ime2_kernels.cpp)
endif()
endif()
if(NOT GGML_CPU_ALL_VARIANTS)
set(MARCH_STR "rv64gc")