summaryrefslogtreecommitdiff
path: root/gnu/packages/patches/python-cross-compile.patch
blob: 5a470e1852d84e022d5495a54be5cb54b3ad3861 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
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