clang SVE build fix

diff --git a/CMakeLists.txt b/CMakeLists.txt
index b26fcc40db12042d6b98fb9d30c2d8f0725184f9..66f96a07bb386fba0221e12071bd3e289faaf42b 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -358,6 +358,7 @@ if (ARCH_IA32 OR ARCH_X86_64)
 elseif (ARCH_ARM32 OR ARCH_AARCH64)
   CHECK_INCLUDE_FILE_CXX(arm_neon.h HAVE_C_ARM_NEON_H)
   if (BUILD_SVE OR BUILD_SVE2 OR BUILD_SVE2_BITPERM)
+    set(CMAKE_REQUIRED_FLAGS ${ARCH_CXX_FLAGS})
     CHECK_INCLUDE_FILE_CXX(arm_sve.h HAVE_C_ARM_SVE_H)
     if (NOT HAVE_C_ARM_SVE_H)
       message(FATAL_ERROR "arm_sve.h is required to build for SVE.")