buildroot/sources/python-cross-compile.patch

--- Python-2.3.4/Makefile.pre.in.orig	2003-11-18 14:54:00.000000000 -0500
+++ Python-2.3.4/Makefile.pre.in	2004-07-29 21:44:47.075924464 -0400
@@ -159,6 +159,7 @@
 
 PYTHON=		python$(EXE)
 BUILDPYTHON=	python$(BUILDEXE)
+HOSTPYTHON=	./$(BUILDPYTHON)
 
 # === Definitions added by makesetup ===
 
@@ -186,6 +187,8 @@
 # Parser
 PGEN=		Parser/pgen$(EXE)
 
+HOSTPGEN=	$(PGEN)
+
 POBJS=		\
 		Parser/acceler.o \
 		Parser/grammar1.o \
@@ -314,8 +317,8 @@
 # Build the shared modules
 sharedmods: $(BUILDPYTHON)
 	case $$MAKEFLAGS in \
-	*-s*) $(RUNSHARED) CC='$(CC)' LDSHARED='$(BLDSHARED)' OPT='$(OPT)' ./$(BUILDPYTHON) -E $(srcdir)/setup.py -q build;; \
-	*) $(RUNSHARED) CC='$(CC)' LDSHARED='$(BLDSHARED)' OPT='$(OPT)' ./$(BUILDPYTHON) -E $(srcdir)/setup.py build;; \
+	*-s*) $(RUNSHARED) CC='$(CC)' LDSHARED='$(BLDSHARED)' CROSS_COMPILE='yes' OPT='$(OPT)' DESTDIR='$(DESTDIR)'  $(HOSTPYTHON) -E $(srcdir)/setup.py -q build;; \
+	*) $(RUNSHARED) CC='$(CC)' LDSHARED='$(BLDSHARED)' CROSS_COMPILE='yes' OPT='$(OPT)' DESTDIR='$(DESTDIR)' $(HOSTPYTHON) -E $(srcdir)/setup.py build;; \
 	esac
 
 # buildno should really depend on something like LIBRARY_SRC
@@ -432,7 +435,7 @@
 
 
 $(GRAMMAR_H) $(GRAMMAR_C): $(PGEN) $(GRAMMAR_INPUT)
-		-$(PGEN) $(GRAMMAR_INPUT) $(GRAMMAR_H) $(GRAMMAR_C)
+		-$(HOSTPGEN) $(GRAMMAR_INPUT) $(GRAMMAR_H) $(GRAMMAR_C)
 
 $(PGEN):	$(PGENOBJS)
 		$(CC) $(OPT) $(LDFLAGS) $(PGENOBJS) $(LIBS) -o $(PGEN)
@@ -705,19 +708,19 @@
 	done
 	$(INSTALL_DATA) $(srcdir)/LICENSE $(DESTDIR)$(LIBDEST)/LICENSE.txt
 	PYTHONPATH=$(DESTDIR)$(LIBDEST)  $(RUNSHARED) \
-		./$(BUILDPYTHON) -Wi -tt $(DESTDIR)$(LIBDEST)/compileall.py \
+		$(HOSTPYTHON) -Wi -tt $(DESTDIR)$(LIBDEST)/compileall.py \
 		-d $(LIBDEST) -f \
 		-x 'badsyntax|site-packages' $(DESTDIR)$(LIBDEST)
 	PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
-		./$(BUILDPYTHON) -Wi -tt -O $(DESTDIR)$(LIBDEST)/compileall.py \
+		$(HOSTPYTHON) -Wi -tt -O $(DESTDIR)$(LIBDEST)/compileall.py \
 		-d $(LIBDEST) -f \
 		-x 'badsyntax|site-packages' $(DESTDIR)$(LIBDEST)
 	PYTHONPATH=$(DESTDIR)$(LIBDEST)  $(RUNSHARED) \
-		./$(BUILDPYTHON) -Wi -t $(DESTDIR)$(LIBDEST)/compileall.py \
+		$(HOSTPYTHON) -Wi -t $(DESTDIR)$(LIBDEST)/compileall.py \
 		-d $(LIBDEST)/site-packages -f \
 		-x badsyntax $(DESTDIR)$(LIBDEST)/site-packages
 	PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
-		./$(BUILDPYTHON) -Wi -t -O $(DESTDIR)$(LIBDEST)/compileall.py \
+		$(HOSTPYTHON) -Wi -t -O $(DESTDIR)$(LIBDEST)/compileall.py \
 		-d $(LIBDEST)/site-packages -f \
 		-x badsyntax $(DESTDIR)$(LIBDEST)/site-packages
 
@@ -812,7 +815,8 @@
 # Install the dynamically loadable modules
 # This goes into $(exec_prefix)
 sharedinstall:
-	$(RUNSHARED) ./$(BUILDPYTHON) -E $(srcdir)/setup.py install \
+	CC='$(CC)' LDSHARED='$(BLDSHARED)' OPT='$(OPT)' CROSS_COMPILE='$(CROSS_COMPILE)' \
+		$(HOSTPYTHON) -E $(srcdir)/setup.py install \
 	   	--prefix=$(prefix) \
 		--install-scripts=$(BINDIR) \
 		--install-platlib=$(DESTSHARED) \
--- Python-2.3.4/setup.py.orig	2004-07-29 21:32:12.993562408 -0400
+++ Python-2.3.4/setup.py	2004-07-29 21:47:12.174866072 -0400
@@ -213,6 +213,7 @@
         try:
             imp.load_dynamic(ext.name, ext_filename)
         except ImportError, why:
+          if os.environ.get('CROSS_COMPILE') != "yes":
             self.announce('*** WARNING: renaming "%s" since importing it'
                           ' failed: %s' % (ext.name, why), level=3)
             assert not self.inplace
@@ -233,6 +234,9 @@
                     os.remove(filename)
             except AttributeError:
                 self.announce('unable to remove files (ignored)')
+          else:
+            self.announce('WARNING: "%s" failed importing, but we leave it because we are cross-compiling' %
+                          ext.name)
         except:
             exc_type, why, tb = sys.exc_info()
             self.announce('*** WARNING: importing extension "%s" '
@@ -245,8 +245,9 @@
 
     def detect_modules(self):
         # Ensure that /usr/local is always used
-        add_dir_to_list(self.compiler.library_dirs, '/usr/local/lib')
-        add_dir_to_list(self.compiler.include_dirs, '/usr/local/include')
+        add_dir_to_list(self.compiler.library_dirs, os.getenv('DESTDIR') + '/lib')
+        add_dir_to_list(self.compiler.library_dirs, os.getenv('DESTDIR') + '/usr/lib')
+        add_dir_to_list(self.compiler.include_dirs, os.getenv('DESTDIR') + '/usr/include')
 
         # fink installs lots of goodies in /sw/... - make sure we
         # check there
@@ -254,11 +255,6 @@
             add_dir_to_list(self.compiler.library_dirs, '/sw/lib')
             add_dir_to_list(self.compiler.include_dirs, '/sw/include')
 
-        if os.path.normpath(sys.prefix) != '/usr':
-            add_dir_to_list(self.compiler.library_dirs,
-                            sysconfig.get_config_var("LIBDIR"))
-            add_dir_to_list(self.compiler.include_dirs,
-                            sysconfig.get_config_var("INCLUDEDIR"))
 
         try:
             have_unicode = unicode