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gnu: python: Further cross-compilation fixes.

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* gnu/packages/patches/python-2.7-search-paths.patch: Add cross-compilation
support.
* gnu/packages/patches/python-3-search-paths.patch: Ditto.
* gnu/packages/patches/python-cross-compile.patch: New patch.
* gnu/local.mk (dist_patch_DATA): Add above new patch.
* gnu/packages/python.scm (python-2.7)[patches]: Add new patch above,
[arguments]: Set _PYTHON_HOST_PLATFORM env variable when cross compiling.
This commit is contained in:
Mathieu Othacehe 2019-06-29 17:31:07 +02:00
parent d7c5364732
commit ceb9de75a6
No known key found for this signature in database
GPG key ID: 8354763531769CA6
5 changed files with 181 additions and 9 deletions
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1
gnu/local.mk
View file

@ -1246,6 +1246,7 @@ dist_patch_DATA = \
%D%/packages/patches/python-CVE-2018-14647.patch \
%D%/packages/patches/python-axolotl-AES-fix.patch \
%D%/packages/patches/python-cairocffi-dlopen-path.patch \
%D%/packages/patches/python-cross-compile.patch \
%D%/packages/patches/python-cffi-x87-stack-clean.patch \
%D%/packages/patches/python2-larch-coverage-4.0a6-compatibility.patch \
%D%/packages/patches/python-configobj-setuptools.patch \

10
gnu/packages/patches/python-2.7-search-paths.patch
View file

@ -3,13 +3,17 @@ looking for headers and libraries.
--- Python-2.7.10/setup.py 2015-10-07 18:33:18.125153186 +0200
+++ Python-2.7.10/setup.py 2015-10-07 18:33:47.497347552 +0200
@@ -526,6 +526,10 @@ class PyBuildExt(build_ext):
@@ -526,6 +526,14 @@ class PyBuildExt(build_ext):
inc_dirs += ['/system/include', '/atheos/autolnk/include']
inc_dirs += os.getenv('C_INCLUDE_PATH', '').split(os.pathsep)
+ # Always honor these variables.
+ lib_dirs += os.getenv('LIBRARY_PATH', '').split(os.pathsep)
+ inc_dirs += os.getenv('CPATH', '').split(os.pathsep)
+ if not cross_compiling:
+ lib_dirs += os.getenv('LIBRARY_PATH', '').split(os.pathsep)
+ inc_dirs += os.getenv('CPATH', '').split(os.pathsep)
+ else:
+ lib_dirs = os.getenv('CROSS_LIBRARY_PATH', '').split(os.pathsep)
+ inc_dirs = os.getenv('CROSS_CPATH', '').split(os.pathsep)
+
# OSF/1 and Unixware have some stuff in /usr/ccs/lib (like -ldb)
if host_platform in ['osf1', 'unixware7', 'openunix8']:

11
gnu/packages/patches/python-3-search-paths.patch
View file

@ -3,7 +3,7 @@ looking for headers and libraries.
--- a/setup.py 2015-10-07 23:32:58.891329173 +0200
+++ b/setup.py 2015-10-07 23:46:29.653349924 +0200
@@ -575,8 +575,8 @@
@@ -575,15 +575,15 @@
# if a file is found in one of those directories, it can
# be assumed that no additional -I,-L directives are needed.
if not cross_compiling:
@ -14,3 +14,12 @@ looking for headers and libraries.
else:
# Add the sysroot paths. 'sysroot' is a compiler option used to
# set the logical path of the standard system headers and
# libraries.
- lib_dirs = (self.compiler.library_dirs +
+ lib_dirs = (os.getenv('CROSS_LIBRARY_PATH', '').split(os.pathsep) +
sysroot_paths(('LDFLAGS', 'CC'), system_lib_dirs))
- inc_dirs = (self.compiler.include_dirs +
+ inc_dirs = (os.getenv('CROSS_CPATH', '').split(os.pathsep) +
sysroot_paths(('CPPFLAGS', 'CFLAGS', 'CC'),
system_include_dirs))
exts = []

145
gnu/packages/patches/python-cross-compile.patch Normal file
View file

@ -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

23
gnu/packages/python.scm
View file

@ -109,7 +109,8 @@ (define-public python-2.7
"python-2-deterministic-build-info.patch"
"python-2.7-site-prefixes.patch"
"python-2.7-source-date-epoch.patch"
"python-2.7-adjust-tests.patch"))
"python-2.7-adjust-tests.patch"
"python-cross-compile.patch"))
(modules '((guix build utils)))
(snippet
'(begin
@ -177,6 +178,12 @@ (define-public python-2.7
(add-before
'configure 'patch-lib-shells
(lambda _
;; This variable is used in setup.py to enable cross compilation
;; specific switches. As it is not set properly by configure
;; script, set it manually.
,@(if (%current-target-system)
'((setenv "_PYTHON_HOST_PLATFORM" ""))
'())
;; Filter for existing files, since some may not exist in all
;; versions of python that are built with this recipe.
(substitute* (filter file-exists?
@ -256,7 +263,9 @@ (define-public python-2.7
(if (null? opt) "none" (car opt)))
(for-each (lambda (file)
(apply invoke
`(,(string-append out "/bin/python")
`(,,(if (%current-target-system)
"python2"
'(string-append out "/bin/python"))
,@opt
"-m" "compileall"
"-f" ; force rebuild
@ -302,7 +311,7 @@ (define-public python-2.7
`(("pkg-config" ,pkg-config)
;; When cross-compiling, a native version of Python itself is needed.
,@(if (%current-target-system)
`(("self" ,this-package)
`(("python2" ,this-package)
("which" ,which))
'())))
(native-search-paths
@ -376,10 +385,11 @@ (define-public python-3.7
((#:phases phases)
`(modify-phases ,phases
(add-before 'check 'set-TZDIR
(lambda* (#:key inputs #:allow-other-keys)
(lambda* (#:key inputs native-inputs #:allow-other-keys)
;; test_email requires the Olson time zone database.
(setenv "TZDIR"
(string-append (assoc-ref inputs "tzdata")
(string-append (assoc-ref
(or native-inputs inputs) "tzdata")
"/share/zoneinfo"))
#t))
;; Unset SOURCE_DATE_EPOCH while running the test-suite and set it
@ -415,6 +425,9 @@ (define-public python-3.7
#t)))))))
(native-inputs
`(("tzdata" ,tzdata-for-tests)
,@(if (%current-target-system)
`(("python3" ,this-package))
'())
,@(package-native-inputs python-2)))
(native-search-paths
(list (search-path-specification