Build fsst without -march=native

Author: mhx

CMakeLists.txt

@@ -143,7 +143,6 @@ set(compiler_only
 
 add_subdirectory(folly EXCLUDE_FROM_ALL)
 add_subdirectory(fbthrift EXCLUDE_FROM_ALL)
-add_subdirectory(fsst EXCLUDE_FROM_ALL)
 if(NOT (ZSTD_FOUND AND PREFER_SYSTEM_ZSTD))
   add_subdirectory(zstd/build/cmake EXCLUDE_FROM_ALL)
 endif()
@@ -532,6 +531,17 @@ foreach(tgt dwarfs ${BINARY_TARGETS})
   endif()
 endforeach()
 
+# not sure why exactly, copied from fsst/CMakeLists.txt
+if(CMAKE_BUILD_TYPE STREQUAL Release)
+  set_source_files_properties(fsst/fsst_avx512.cpp PROPERTIES COMPILE_FLAGS -O1)
+endif()
+
+add_library(
+  fsst
+  fsst/libfsst.cpp fsst/fsst_avx512.cpp fsst/fsst_avx512_unroll1.inc
+  fsst/fsst_avx512_unroll2.inc fsst/fsst_avx512_unroll3.inc
+  fsst/fsst_avx512_unroll4.inc)
+
 target_include_directories(dwarfs PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/fsst)
 
 target_link_libraries(

cmake/static_link.sh

@@ -13,7 +13,7 @@ fi
 
 g++ -static "$@" -o "$target" \
 	libdwarfs.a \
-	fsst/libfsst.a \
+	libfsst.a \
 	libmetadata_thrift.a \
 	libthrift_light.a \
 	libxxhash.a \