New submission from Alex Willmer:
While trying a cross compile of Python 3.6 I encountered the following
alex@martha:~/src/cpython default☿ hg summary
parent: 101753:31ad7885e2e5
Issue #27225: Fixed a reference leak in type_new when setting __new__ fails.
branch: default
commit: (clean)
update: (current)
alex@martha:~/src/cpython default☿ ./configure --build=x86_64-linux
--host=arm-linux-gnueabihf --disable-ipv6 ac_cv_file__dev_ptc=no
ac_cv_file__dev_ptmx=no
checking for hg... found
...
creating Makefile
alex@martha:~/src/cpython default☿ make
...
arm-linux-gnueabihf-gcc -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes
Parser/acceler.o Parser/grammar1.o Parser/listnode.o Parser/node.o
Parser/parser.o Parser/bitset.o Parser/metagrammar.o Parser/firstsets.o
Parser/grammar.o Parser/pgen.o Objects/obmalloc.o Python/dynamic_annotations.o
Python/mysnprintf.o Python/pyctype.o Parser/tokenizer_pgen.o
Parser/printgrammar.o Parser/parsetok_pgen.o Parser/pgenmain.o -lpthread -ldl
-lpthread -lutil -o Parser/pgen
if test "yes" != "yes"; then \
Parser/pgen ./Grammar/Grammar Include/graminit.h Python/graminit.c; \
else \
cp ./Include/graminit.h Include/graminit.h; \
fi
cp: './Include/graminit.h' and 'Include/graminit.h' are the same file
Makefile:806: recipe for target 'Include/graminit.h' failed
make: *** [Include/graminit.h] Error 1
The attached patch allows me to get past this error. I'm unsure if it's an
appropriate fix or just a workaround.
----------
components: Cross-Build
files: graminit-same-file.patch
keywords: patch
messages: 267417
nosy: Alex.Willmer
priority: normal
severity: normal
status: open
title: In tree cross-build fails copying Include/graminit.h to itself
type: compile error
versions: Python 3.6
Added file: http://bugs.python.org/file43235/graminit-same-file.patch
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<http://bugs.python.org/issue27229>
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