Merge pull request #3164 from stan-dev/rtools45-arm64

Fix TBB compatibility with rtools45 on windows arm64

Author: andrjohns

lib/tbb_2020.3/STAN_CHANGES

@@ -10,6 +10,7 @@ This file documents changes done for the stan-math project
 - Support for Windows ARM64 with RTools:
   - build/Makefile.tbb
     - L94 Wrapped the use of `--version-script` export in conditional on non-WINARM64
-  - build/windows.gcc.ino
+  - build/windows.gcc.inc
     - L84 Wrapped the use of `-flifetime-dse` flag in conditional on non-WINARM64
+    - L101 Wrapped the use of `-msse` in conditional on non-WINARM64
 

lib/tbb_2020.3/build/windows.gcc.inc

@@ -98,7 +98,11 @@ CPLUS_FLAGS += -DUSE_WINTHREAD
 CPLUS_FLAGS += -D_WIN32_WINNT=$(_WIN32_WINNT)
 
 # MinGW specific
-CPLUS_FLAGS += -DMINGW_HAS_SECURE_API=1 -D__MSVCRT_VERSION__=0x0700 -msse -mthreads
+CPLUS_FLAGS += -DMINGW_HAS_SECURE_API=1 -D__MSVCRT_VERSION__=0x0700 -mthreads
+# Unused under ARM64 and error with LLVM19+
+ifeq (, $(WINARM64))
+    CPLUS_FLAGS +=  -msse 
+endif
 
 CONLY = gcc
 debugger = gdb