python: Add ncurses support. Requires cross-compile patch for library search.

Signed-off-by: Raymond Danks <ray.danks@se-eng.com>

2 files changed, 147 insertions, 0 deletions

diff --git a/recipes-devtools/python/python/01-use-proper-tools-for-cross-build.patch b/recipes-devtools/python/python/01-use-proper-tools-for-cross-build.patch
new file mode 100644
index 0000000..2589bde
--- /dev/null
+++ b/recipes-devtools/python/python/01-use-proper-tools-for-cross-build.patch
@@ -0,0 +1,138 @@
+Upstream-Status: Inappropriate [embedded specific]
+
+# We need to ensure our host tools get run during build, not the freshly
+# built cross-tools (this will not work), so we introduce HOSTPYTHON and HOSTPGEN.
+# Signed-Off: Michael 'Mickey' Lauer <mickey@vanille-media.de>
+
+Index: Python-2.7.2/Makefile.pre.in
+===================================================================
+--- Python-2.7.2.orig/Makefile.pre.in
++++ Python-2.7.2/Makefile.pre.in
+@@ -182,6 +182,7 @@ UNICODE_OBJS=   @UNICODE_OBJS@
+ 
+ PYTHON=		python$(EXE)
+ BUILDPYTHON=	python$(BUILDEXE)
++HOSTPYTHON=	$(BUILDPYTHON)
+ 
+ # The task to run while instrument when building the profile-opt target
+ PROFILE_TASK=	$(srcdir)/Tools/pybench/pybench.py -n 2 --with-gc --with-syscheck
+@@ -214,7 +215,7 @@ LIBFFI_INCLUDEDIR=	@LIBFFI_INCLUDEDIR@
+ ##########################################################################
+ # Parser
+ PGEN=		Parser/pgen$(EXE)
+-
++HOSTPGEN=	$(PGEN)$(EXE)
+ POBJS=		\
+ 		Parser/acceler.o \
+ 		Parser/grammar1.o \
+@@ -401,14 +402,14 @@ $(BUILDPYTHON):	Modules/python.o $(LIBRA
+ 			$(BLDLIBRARY) $(LIBS) $(MODLIBS) $(SYSLIBS) $(LDLAST)
+ 
+ platform: $(BUILDPYTHON)
+-	$(RUNSHARED) ./$(BUILDPYTHON) -E -c 'import sys ; from sysconfig import get_platform ; print get_platform()+"-"+sys.version[0:3]' >platform
++	$(RUNSHARED) ./$(BUILDPYTHON) -E -c 'import sys ; from distutils.util import get_platform ; print get_platform()+"-"+sys.version[0:3]' >platform
+ 
+ 
+ # 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='$(BLDSHARED)' OPT='$(OPT)' $(HOSTPYTHON) -E $(srcdir)/setup.py -q build;; \
++	*) $(RUNSHARED) CC='$(CC)' LDSHARED='$(BLDSHARED)' OPT='$(OPT)' $(HOSTPYTHON) -E $(srcdir)/setup.py build;; \
+ 	esac
+ 
+ # Build static library
+@@ -542,7 +543,7 @@ Modules/python.o: $(srcdir)/Modules/pyth
+ $(GRAMMAR_H) $(GRAMMAR_C): Parser/pgen.stamp
+ Parser/pgen.stamp: $(PGEN) $(GRAMMAR_INPUT)
+ 		-@$(INSTALL) -d Include
+-		$(PGEN) $(GRAMMAR_INPUT) $(GRAMMAR_H) $(GRAMMAR_C)
++		$(HOSTPGEN) $(GRAMMAR_INPUT) $(GRAMMAR_H) $(GRAMMAR_C)
+ 		-touch Parser/pgen.stamp
+ 
+ $(PGEN):	$(PGENOBJS)
+@@ -926,25 +927,25 @@ libinstall:	build_all $(srcdir)/Lib/$(PL
+ 	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 'bad_coding|badsyntax|site-packages|lib2to3/tests/data' \
+ 		$(DESTDIR)$(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 'bad_coding|badsyntax|site-packages|lib2to3/tests/data' \
+ 		$(DESTDIR)$(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
+ 	-PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
+-		./$(BUILDPYTHON) -Wi -t -c "import lib2to3.pygram, lib2to3.patcomp;lib2to3.patcomp.PatternCompiler()"
++		$(HOSTPYTHON) -Wi -t -c "import lib2to3.pygram, lib2to3.patcomp;lib2to3.patcomp.PatternCompiler()"
+ 
+ # Create the PLATDIR source directory, if one wasn't distributed..
+ $(srcdir)/Lib/$(PLATDIR):
+@@ -1049,7 +1050,7 @@ libainstall:	all python-config
+ # Install the dynamically loadable modules
+ # This goes into $(exec_prefix)
+ sharedinstall: sharedmods
+-	$(RUNSHARED) ./$(BUILDPYTHON) -E $(srcdir)/setup.py install \
++	$(RUNSHARED) $(HOSTPYTHON) -E $(srcdir)/setup.py install \
+ 	   	--prefix=$(prefix) \
+ 		--install-scripts=$(BINDIR) \
+ 		--install-platlib=$(DESTSHARED) \
+Index: Python-2.7.2/setup.py
+===================================================================
+--- Python-2.7.2.orig/setup.py
++++ Python-2.7.2/setup.py
+@@ -313,6 +313,7 @@ class PyBuildExt(build_ext):
+             self.failed.append(ext.name)
+             self.announce('*** WARNING: renaming "%s" since importing it'
+                           ' failed: %s' % (ext.name, why), level=3)
++            return
+             assert not self.inplace
+             basename, tail = os.path.splitext(ext_filename)
+             newname = basename + "_failed" + tail
+@@ -369,8 +370,8 @@ class PyBuildExt(build_ext):
+ 
+     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, '/usr/local/lib')
++        #add_dir_to_list(self.compiler.include_dirs, '/usr/local/include')
+         self.add_multiarch_paths()
+ 
+         # Add paths specified in the environment variables LDFLAGS and
+@@ -475,6 +476,9 @@ class PyBuildExt(build_ext):
+ 
+         # XXX Omitted modules: gl, pure, dl, SGI-specific modules
+ 
++        lib_dirs = [ os.getenv( "STAGING_LIBDIR" ) ]
++        inc_dirs = [ os.getenv( "STAGING_INCDIR" ) ]
++        lib_dirs += os.getenv('LIBRARY_PATH', '').split(os.pathsep)
+         #
+         # The following modules are all pretty straightforward, and compile
+         # on pretty much any POSIXish platform.
+@@ -677,8 +681,8 @@ class PyBuildExt(build_ext):
+             elif curses_library:
+                 readline_libs.append(curses_library)
+             elif self.compiler.find_library_file(lib_dirs +
+-                                                     ['/usr/lib/termcap'],
+-                                                     'termcap'):
++                                               ['/usr/lib/termcap'],
++                                               'termcap'):
+                 readline_libs.append('termcap')
+             exts.append( Extension('readline', ['readline.c'],
+                                    library_dirs=['/usr/lib/termcap'],
diff --git a/recipes-devtools/python/python_2.7.3.bbappend b/recipes-devtools/python/python_2.7.3.bbappend
new file mode 100644
index 0000000..e39deba
--- /dev/null
+++ b/recipes-devtools/python/python_2.7.3.bbappend
@@ -0,0 +1,9 @@
+THISDIR := "${@os.path.dirname(bb.data.getVar('FILE', d, True))}"
+FILESPATH =. "${@base_set_filespath(["${THISDIR}/${PN}"], d)}:"
+
+DEPENDS += " ncurses"
+
+do_compile_prepend() {
+	export LIBRARY_PATH=${STAGING_DIR_TARGET}/lib
+}
+