cmake : fix static linking for OpenMP on Unix-like systems #16031
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When compiling with GGML_STATIC=ON, the build process would produce a
binary that was still dynamically linked to OpenMP. This defeats the
purpose of a static build:
$ cmake -B build \
-DBUILD_SHARED_LIBS=OFF \
-DLLAMA_CURL=OFF \
-DGGML_CCACHE=OFF \
-DGGML_NATIVE=OFF \
-DGGML_STATIC=ON
$ ldd llama-server
linux-vdso.so.1 (0x0000e1a434e3b000)
libgomp.so.1 => /lib/aarch64-linux-gnu/libgomp.so.1 (0x0000e1a4345a0000)
libstdc++.so.6 => /lib/aarch64-linux-gnu/libstdc++.so.6 (0x0000e1a434300000)
libm.so.6 => /lib/aarch64-linux-gnu/libm.so.6 (0x0000e1a434240000)
libgcc_s.so.1 => /lib/aarch64-linux-gnu/libgcc_s.so.1 (0x0000e1a434200000)
libc.so.6 => /lib/aarch64-linux-gnu/libc.so.6 (0x0000e1a434030000)
/lib/ld-linux-aarch64.so.1 (0x0000e1a434df0000)
This commit resolves the issue by modifying `CMAKE_FIND_LIBRARY_SUFFIXES`
to prioritize `.a` files, forcing CMake to link the static version of
the library.
Signed-off-by: Adrien Gallouët <[email protected]>
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…16031) When compiling with GGML_STATIC=ON, the build process would produce a binary that was still dynamically linked to OpenMP. This defeats the purpose of a static build: $ cmake -B build \ -DBUILD_SHARED_LIBS=OFF \ -DLLAMA_CURL=OFF \ -DGGML_CCACHE=OFF \ -DGGML_NATIVE=OFF \ -DGGML_STATIC=ON $ ldd llama-server linux-vdso.so.1 (0x0000e1a434e3b000) libgomp.so.1 => /lib/aarch64-linux-gnu/libgomp.so.1 (0x0000e1a4345a0000) libstdc++.so.6 => /lib/aarch64-linux-gnu/libstdc++.so.6 (0x0000e1a434300000) libm.so.6 => /lib/aarch64-linux-gnu/libm.so.6 (0x0000e1a434240000) libgcc_s.so.1 => /lib/aarch64-linux-gnu/libgcc_s.so.1 (0x0000e1a434200000) libc.so.6 => /lib/aarch64-linux-gnu/libc.so.6 (0x0000e1a434030000) /lib/ld-linux-aarch64.so.1 (0x0000e1a434df0000) This commit resolves the issue by modifying `CMAKE_FIND_LIBRARY_SUFFIXES` to prioritize `.a` files, forcing CMake to link the static version of the library. Signed-off-by: Adrien Gallouët <[email protected]>
pwilkin
pushed a commit
to pwilkin/llama.cpp
that referenced
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Oct 23, 2025
…16031) When compiling with GGML_STATIC=ON, the build process would produce a binary that was still dynamically linked to OpenMP. This defeats the purpose of a static build: $ cmake -B build \ -DBUILD_SHARED_LIBS=OFF \ -DLLAMA_CURL=OFF \ -DGGML_CCACHE=OFF \ -DGGML_NATIVE=OFF \ -DGGML_STATIC=ON $ ldd llama-server linux-vdso.so.1 (0x0000e1a434e3b000) libgomp.so.1 => /lib/aarch64-linux-gnu/libgomp.so.1 (0x0000e1a4345a0000) libstdc++.so.6 => /lib/aarch64-linux-gnu/libstdc++.so.6 (0x0000e1a434300000) libm.so.6 => /lib/aarch64-linux-gnu/libm.so.6 (0x0000e1a434240000) libgcc_s.so.1 => /lib/aarch64-linux-gnu/libgcc_s.so.1 (0x0000e1a434200000) libc.so.6 => /lib/aarch64-linux-gnu/libc.so.6 (0x0000e1a434030000) /lib/ld-linux-aarch64.so.1 (0x0000e1a434df0000) This commit resolves the issue by modifying `CMAKE_FIND_LIBRARY_SUFFIXES` to prioritize `.a` files, forcing CMake to link the static version of the library. Signed-off-by: Adrien Gallouët <[email protected]>
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When compiling with GGML_STATIC=ON, the build process would produce a binary that was still dynamically linked to OpenMP. This defeats the purpose of a static build:
This commit resolves the issue by modifying
CMAKE_FIND_LIBRARY_SUFFIXESto prioritize.afiles, forcing CMake to link the static version of the library.