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[C++] Compilation error xsimd/xsimd.hpp no such file or directory #50222
Description
Describe the bug, including details regarding any error messages, version, and platform.
When included into another project via FetchContent_Declare() Apache Arrow produces error:
xsimd/xsimd.hpp: No such file or directory
Investigation showed that xsimd dependency in Apache Arrow is processed incorrectly. Here is the patch which fixes the error:
diff --git a/cpp/cmake_modules/ThirdpartyToolchain.cmake b/cpp/cmake_modules/ThirdpartyToolchain.cmake
index bcbf2e4645..c837899400 100644
--- a/cpp/cmake_modules/ThirdpartyToolchain.cmake
+++ b/cpp/cmake_modules/ThirdpartyToolchain.cmake
@@ -2834,7 +2834,8 @@ macro(build_xsimd)
URL_HASH "SHA256=${ARROW_XSIMD_BUILD_SHA256_CHECKSUM}"
CMAKE_ARGS ${XSIMD_CMAKE_ARGS})
- set(XSIMD_INCLUDE_DIR "${XSIMD_PREFIX}/include")
+ ExternalProject_Get_Property(xsimd_ep SOURCE_DIR)
+ set(XSIMD_INCLUDE_DIR "${SOURCE_DIR}/include")
# The include directory must exist before it is referenced by a target.
file(MAKE_DIRECTORY "${XSIMD_INCLUDE_DIR}")
Component(s)
C++
Activity
kou commentedon Jun 19, 2026
Let's migrate to
FetchContentfromExternalProject.GH-50222: [C++] Use FetchContent for xsimd (#50303)
raulcd commentedon Jul 6, 2026
Issue resolved by pull request 50303
#50303