Julia LLVM Python arch patch

arch.patch

diff --git deps/Makefile deps/Makefile
index 2c75fe6..5342c3a 100644
--- deps/Makefile
+++ deps/Makefile
@@ -142,11 +142,20 @@ llvm-$(LLVM_VER)/configure: $(LLVM_TAR)
        tar -C llvm-$(LLVM_VER) --strip-components 1 -xf $<
        touch $@

-$(LLVM_OBJ_SOURCE): llvm-$(LLVM_VER)/configure
+## LLVM needs python 2.x, but doesn't check for it, so we have to use an ugly workaround to make it compile
+llvm_python_workaround:
+    -python -e 'sys.version_info > (3, 0)' && \
+    /usr/bin/python2 -e 'sys.version_info < (3, 0)' && \
+    export PATH=$(abspath llvm-$(LLVM_VER)/python2_path):$$PATH && \
+    !test -e llvm-$(LLVM_VER)/python2_path)/python && \
+    mkdir -p llvm-$(LLVM_VER)/python2_path && \
+    ln -s ln -s /usr/bin/python2 "llvm-$(LLVM_VER)/python2-path/python"
+
+$(LLVM_OBJ_SOURCE): llvm-$(LLVM_VER)/configure python_workaround
        cd llvm-$(LLVM_VER) && \
        ./configure --prefix=$(abspath $(USR)) --disable-threads --enable-optimized --disable-profiling --disable-assertions --enable-shared --enable-targets=x86,x86_64 --disable-bindings --disable-docs CC=$(GCC) CXX=$(GPLUSPLUS) && \
        $(MAKE)
-$(LLVM_OBJ_TARGET): $(LLVM_OBJ_SOURCE)
+$(LLVM_OBJ_TARGET): $(LLVM_OBJ_SOURCE) python_workaround
        $(MAKE) -C llvm-$(LLVM_VER) install
        $(INSTALL_NAME_CMD) libLLVM-$(LLVM_VER).$(SHLIB_EXT) $(USRLIB)/libLLVM-$(LLVM_VER).$(SHLIB_EXT)
        touch $@