specify the path for python3 (rosa2016.1)

llvm12.spec

@@ -28,7 +28,7 @@ Summary:	LLVM and Clang in %{_prefix}
 # llvm11
 Name:		llvm%{maj_ver}
 Version:	12.0.0
-Release:	3
+Release:	4
 License:	NCSA
 Group:		Development/Other
 Url:		http://llvm.org
@@ -109,7 +109,6 @@ export CXXFLAGS="%{optflags} -march=i686 -D_LARGEFILE_SOURCE=1 -D_LARGEFILE64_SO
 export CXXFLAGS="%{optflags} -fno-devirtualize -g1 -Wno-redundant-move"
 %endif
 
-
 %ifarch %ix86
 # Fix noexecstack
 for i in compiler-rt/lib/builtins/i386/*.S; do
@@ -121,6 +120,11 @@ EOF
 done
 %endif
 
+%if %rpm5
+export PYTHONPATH=/usr/bin/
+export PATH=$PYTHONPATH:$PATH
+%endif
+
 %setup_compile_flags
 mkdir -p build
 cd build