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-rw-r--r--gnu/packages/patches/python-cross-compile.patch145
1 files changed, 145 insertions, 0 deletions
diff --git a/gnu/packages/patches/python-cross-compile.patch b/gnu/packages/patches/python-cross-compile.patch
new file mode 100644
index 0000000000..5a470e1852
--- /dev/null
+++ b/gnu/packages/patches/python-cross-compile.patch
@@ -0,0 +1,145 @@
+Patch taken from https://bugs.python.org/issue22724 and augmented with
+following Nix patch
+https://github.com/NixOS/nixpkgs/blob/master/pkgs/development/interpreters/python/cpython/2.7/cross-compile.patch
+to fix the whole cross-compilation circus.
+
+---
+ Makefile.pre.in | 14 +++++++-------
+ configure | 5 ++++-
+ setup.py | 9 ++++++---
+ 3 files changed, 17 insertions(+), 11 deletions(-)
+
+diff --git a/Makefile.pre.in b/Makefile.pre.in
+index 2a14f3323b..6239fc32fc 100644
+--- a/Makefile.pre.in
++++ b/Makefile.pre.in
+@@ -492,7 +492,7 @@ $(BUILDPYTHON): Modules/python.o $(LIBRARY) $(LDLIBRARY)
+ $(BLDLIBRARY) $(LIBS) $(MODLIBS) $(SYSLIBS) $(LDLAST)
+
+ platform: $(BUILDPYTHON) pybuilddir.txt
+- $(RUNSHARED) $(PYTHON_FOR_BUILD) -c 'import sys ; from sysconfig import get_platform ; print get_platform()+"-"+sys.version[0:3]' >platform
++ $(RUNSHARED) $(PY_BUILD_ENVIRON) $(PYTHON_FOR_BUILD) -c 'import sys ; from sysconfig import get_platform ; print get_platform()+"-"+sys.version[0:3]' >platform
+
+ # Create build directory and generate the sysconfig build-time data there.
+ # pybuilddir.txt contains the name of the build dir and is used for
+@@ -503,7 +503,7 @@ platform: $(BUILDPYTHON) pybuilddir.txt
+ # or removed in case of failure.
+ pybuilddir.txt: $(BUILDPYTHON)
+ @echo "none" > ./pybuilddir.txt
+- $(RUNSHARED) $(PYTHON_FOR_BUILD) -S -m sysconfig --generate-posix-vars ;\
++ $(RUNSHARED) $(PY_BUILD_ENVIRON) $(PYTHON_FOR_BUILD) -S -m sysconfig --generate-posix-vars ;\
+ if test $$? -ne 0 ; then \
+ echo "generate-posix-vars failed" ; \
+ rm -f ./pybuilddir.txt ; \
+@@ -525,7 +525,7 @@ sharedmods: $(BUILDPYTHON) pybuilddir.txt Modules/_math.o
+ esac; \
+ $(RUNSHARED) CC='$(CC)' LDSHARED='$(BLDSHARED)' OPT='$(OPT)' \
+ _TCLTK_INCLUDES='$(TCLTK_INCLUDES)' _TCLTK_LIBS='$(TCLTK_LIBS)' \
+- $(PYTHON_FOR_BUILD) $(srcdir)/setup.py $$quiet build
++ $(PY_BUILD_ENVIRON) $(PYTHON_FOR_BUILD) $(srcdir)/setup.py $$quiet build
+
+ # Build static library
+ # avoid long command lines, same as LIBRARY_OBJS
+@@ -928,7 +928,7 @@ install: @FRAMEWORKINSTALLFIRST@ commoninstall bininstall maninstall @FRAMEWORKI
+ upgrade) ensurepip="--upgrade" ;; \
+ install|*) ensurepip="" ;; \
+ esac; \
+- $(RUNSHARED) $(PYTHON_FOR_BUILD) -m ensurepip \
++ $(RUNSHARED) $(PY_BUILD_ENVIRON) $(PYTHON_FOR_BUILD) -m ensurepip \
+ $$ensurepip --root=$(DESTDIR)/ ; \
+ fi
+
+@@ -939,7 +939,7 @@ altinstall: commoninstall
+ upgrade) ensurepip="--altinstall --upgrade --no-default-pip" ;; \
+ install|*) ensurepip="--altinstall --no-default-pip" ;; \
+ esac; \
+- $(RUNSHARED) $(PYTHON_FOR_BUILD) -m ensurepip \
++ $(RUNSHARED) $(PY_BUILD_ENVIRON) $(PYTHON_FOR_BUILD) -m ensurepip \
+ $$ensurepip --root=$(DESTDIR)/ ; \
+ fi
+
+@@ -1270,7 +1270,7 @@ libainstall: @DEF_MAKE_RULE@ python-config
+ # Install the dynamically loadable modules
+ # This goes into $(exec_prefix)
+ sharedinstall: sharedmods
+- $(RUNSHARED) $(PYTHON_FOR_BUILD) $(srcdir)/setup.py install \
++ $(RUNSHARED) $(PY_BUILD_ENVIRON) $(PYTHON_FOR_BUILD) $(srcdir)/setup.py install \
+ --prefix=$(prefix) \
+ --install-scripts=$(BINDIR) \
+ --install-platlib=$(DESTSHARED) \
+@@ -1344,7 +1344,7 @@ frameworkinstallextras:
+ # This installs a few of the useful scripts in Tools/scripts
+ scriptsinstall:
+ SRCDIR=$(srcdir) $(RUNSHARED) \
+- $(PYTHON_FOR_BUILD) $(srcdir)/Tools/scripts/setup.py install \
++ $(PY_BUILD_ENVIRON) $(PYTHON_FOR_BUILD) $(srcdir)/Tools/scripts/setup.py install \
+ --prefix=$(prefix) \
+ --install-scripts=$(BINDIR) \
+ --root=$(DESTDIR)/
+diff --git a/configure b/configure
+index 67300fe2b6..6050f588c5 100755
+--- a/configure
++++ b/configure
+@@ -741,6 +741,7 @@ CONFIG_ARGS
+ SOVERSION
+ VERSION
+ PYTHON_FOR_BUILD
++PY_BUILD_ENVIRON
+ PYTHON_FOR_REGEN
+ host_os
+ host_vendor
+@@ -2964,7 +2965,8 @@ $as_echo_n "checking for python interpreter for cross build... " >&6; }
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $interp" >&5
+ $as_echo "$interp" >&6; }
+- PYTHON_FOR_BUILD='_PYTHON_PROJECT_BASE=$(abs_builddir) _PYTHON_HOST_PLATFORM=$(_PYTHON_HOST_PLATFORM) PYTHONPATH=$(shell test -f pybuilddir.txt && echo $(abs_builddir)/`cat pybuilddir.txt`:)$(srcdir)/Lib:$(srcdir)/Lib/$(PLATDIR) '$interp
++ PY_BUILD_ENVIRON='_PYTHON_PROJECT_BASE=$(abs_builddir) _PYTHON_HOST_PLATFORM=$(_PYTHON_HOST_PLATFORM) PYTHONPATH=$(shell test -f pybuilddir.txt && echo $(abs_builddir)/`cat pybuilddir.txt`:)$(srcdir)/Lib:$(srcdir)/Lib/$(PLATDIR)'
++ PYTHON_FOR_BUILD=$interp
+ fi
+ elif test "$cross_compiling" = maybe; then
+ as_fn_error $? "Cross compiling required --host=HOST-TUPLE and --build=ARCH" "$LINENO" 5
+@@ -2974,6 +2976,7 @@ fi
+
+
+
++
+ if test "$prefix" != "/"; then
+ prefix=`echo "$prefix" | sed -e 's/\/$//g'`
+ fi
+diff --git a/setup.py b/setup.py
+index cb47a2339c..472e7e2b26 100644
+--- a/setup.py
++++ b/setup.py
+@@ -497,8 +497,6 @@ class PyBuildExt(build_ext):
+ if not cross_compiling:
+ add_dir_to_list(self.compiler.library_dirs, '/usr/local/lib')
+ add_dir_to_list(self.compiler.include_dirs, '/usr/local/include')
+- if cross_compiling:
+- self.add_gcc_paths()
+ self.add_multiarch_paths()
+
+ # Add paths specified in the environment variables LDFLAGS and
+@@ -556,7 +554,10 @@ class PyBuildExt(build_ext):
+ # be assumed that no additional -I,-L directives are needed.
+ inc_dirs = self.compiler.include_dirs[:]
+ lib_dirs = self.compiler.library_dirs[:]
+- if not cross_compiling:
++ if cross_compiling:
++ inc_dirs = []
++ lib_dirs = []
++ else:
+ for d in (
+ '/usr/include',
+ ):
+@@ -621,6 +622,8 @@ class PyBuildExt(build_ext):
+ # Some modules that are normally always on:
+ #exts.append( Extension('_weakref', ['_weakref.c']) )
+
++ self.compiler.library_dirs = lib_dirs + [ '.' ]
++
+ # array objects
+ exts.append( Extension('array', ['arraymodule.c']) )
+
+--
+2.17.1
+