Add some big sur fixes for pyenv

zsh_local_osx

@@ -3,6 +3,11 @@ DEFAULT_USER="bixel"
 
 export GOPATH=~/.go
 export PATH=$GOPATH/bin:$HOME/.local/bin:$PATH
+export LIBCLANG_PATH=/Library/Developer/CommandLineTools/usr/lib/libclang.dylib
+export CLANG_HEADER=/Library/Developer/CommandLineTools/usr/lib/clang/11.0.0/include
+# pyenv fix for Big Sur, see https://github.com/pyenv/pyenv/issues/1746#issuecomment-739535209
+export LDFLAGS="-L$(brew --prefix zlib)/lib -L$(brew --prefix bzip2)/lib"
+export CPPFLAGS="-I$(brew --prefix zlib)/include -I$(brew --prefix bzip2)/include"
 
 export LANG=en_US.UTF-8
 export LC_CTYPE=en_US.UTF-8