Add separate build targets for regular PyPy and JIT extension version

Author: 3tty0n

Makefile

@@ -15,7 +15,7 @@ JOBS=$(subst -j,--make-jobs ,$(filter -j%, $(MAKEFLAGS)))
 
 .PHONY: pypy-c cffi_imports
 
-pypy-c:
+pypy-jit-ext-c:
 	@echo
 	@echo "===================================================================="
 ifeq ($(PYPY_EXECUTABLE),)
@@ -37,5 +37,28 @@ endif
 	@sleep 5
 	cd pypy/goal && $(RUNINTERP) ../../rpython/bin/rpython $(JOBS) -Ojit targetpypystandalone.py
 
+pypy-c:
+	@echo
+	@echo "===================================================================="
+ifeq ($(PYPY_EXECUTABLE),)
+	@echo "Building a regular (jitting) version of PyPy, using CPython."
+	@echo "This takes around 2 hours and $(URAM) GB of RAM."
+	@echo "Note that pre-installing a PyPy binary would reduce this time"
+	@echo "and produce basically the same result."
+else
+	@echo "Building a regular (jitting) version of PyPy, using"
+	@echo "$(PYPY_EXECUTABLE) to run the translation itself."
+	@echo "This takes up to 1 hour and $(URAM) GB of RAM."
+endif
+	@echo
+	@echo "For more control (e.g. to use multiple CPU cores during part of"
+	@echo "the process) you need to run \`\`rpython/bin/rpython'' directly."
+	@echo "For more information see \`\`http://pypy.org/download.html''."
+	@echo "===================================================================="
+	@echo
+	@sleep 5
+	cd pypy/goal && PYPY_EXE_NAME=pypy $(RUNINTERP) ../../rpython/bin/rpython $(JOBS) -Ojit --no-gen-extension targetpypystandalone.py
+
+
 cffi_imports: pypy-c
 	cd lib_pypy && ../pypy/goal/pypy-c pypy_tools/build_cffi_imports.py || /bin/true

pypy/goal/targetpypystandalone.py

@@ -243,6 +243,10 @@ def get_additional_config_options(self):
 
     def target(self, driver, args):
         driver.exe_name = 'pypy-jit-ext-%(backend)s'
+        exe_name = os.getenv('PYPY_EXE_NAME')
+        if exe_name:
+            driver.exe_name = exe_name + '-%(backend)s'
+        print('exe_name:', driver.exe_name)
 
         config = driver.config
         parser = self.opt_parser(config)