New submission from Bernhard Rosenkraenzer <b...@lindev.ch>:
Python 3.7.0b3 fails to build with clang 6.0 (implicit cast from void* to a
different pointer type is an error now):
/usr/bin/clang++ -c -Wno-unused-result -Wsign-compare -Wunreachable-code
-DDYNAMIC_ANNOTATIONS_ENABLED=1 -DNDEBUG -Os -gdwarf-4 -Wstrict-aliasing=2
-pipe -Wformat -Werror=format-security -D_FORTIFY_SOURCE=2
-fstack-protector-strong --param=ssp-buffer-size=4 -fPIC -flto -O3 -g -Os
-gdwarf-4 -Wstrict-aliasing=2 -pipe -Wformat -Werror=format-security
-D_FORTIFY_SOURCE=2 -fstack-protector-strong --param=ssp-buffer-size=4 -fPIC
-flto -O3 -D_GNU_SOURCE -fPIC -fwrapv -I/usr/include/ncursesw -flto -Os
-gdwarf-4 -Wstrict-aliasing=2 -pipe -Wformat -Werror=format-security
-D_FORTIFY_SOURCE=2 -fstack-protector-strong --param=ssp-buffer-size=4 -fPIC
-flto -O3 -D_GNU_SOURCE -fPIC -fwrapv -I/usr/include/ncursesw -Wextra
-Wno-unused-result -Wno-unused-parameter -Wno-missing-field-initializers
-Werror=implicit-function-declaration -Os -gdwarf-4 -Wstrict-aliasing=2 -pipe
-Wformat -Werror=format-security -D_FORTIFY_SOURCE=2 -fstack-protector-strong
--param=ssp-buffer-size=4 -fPIC -flto -O3 -D_GNU_
SOURCE -fPIC -fwrapv -I/usr/include/ncursesw -fprofile-instr-generate -I.
-I./Include -Os -gdwarf-4 -Wstrict-aliasing=2 -pipe -Wformat
-Werror=format-security -D_FORTIFY_SOURCE=2 -fstack-protector-strong
--param=ssp-buffer-size=4 -fPIC -flto -O3 -D_GNU_SOURCE -fPIC -fwrapv
-I/usr/include/ncursesw -Os -gdwarf-4 -Wstrict-aliasing=2 -pipe -Wformat
-Werror=format-security -D_FORTIFY_SOURCE=2 -fstack-protector-strong
--param=ssp-buffer-size=4 -fPIC -flto -O3 -D_GNU_SOURCE -fPIC -fwrapv
-I/usr/include/ncursesw -fPIC -DPy_BUILD_CORE -o Programs/_testembed.o
./Programs/_testembed.c
clang-6.0: warning: treating 'c' input as 'c++' when in C++ mode, this behavior
is deprecated [-Wdeprecated]
./Programs/_testembed.c:173:34: warning: ISO C++11 does not allow conversion
from string literal to 'wchar_t *' [-Wwritable-strings]
wchar_t *static_warnoption = L"once";
^
./Programs/_testembed.c:174:31: warning: ISO C++11 does not allow conversion
from string literal to 'wchar_t *' [-Wwritable-strings]
wchar_t *static_xoption = L"also_not_an_option=2";
^
./Programs/_testembed.c:177:14: error: cannot initialize a variable of type
'wchar_t *' with an rvalue of type 'void *'
wchar_t *dynamic_once_warnoption = calloc(warnoption_len+1,
sizeof(wchar_t));
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./Programs/_testembed.c:178:14: error: cannot initialize a variable of type
'wchar_t *' with an rvalue of type 'void *'
wchar_t *dynamic_xoption = calloc(xoption_len+1, sizeof(wchar_t));
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2 warnings and 2 errors generated.
make[3]: *** [Makefile:777: Programs/_testembed.o] Error 1
----------
components: Tests
files: python-3.7.0b3-clang-6.0.patch
keywords: patch
messages: 314666
nosy: bero
priority: normal
severity: normal
status: open
title: Python 3.7.0b3 fails to build with clang 6.0
type: compile error
versions: Python 3.7
Added file: https://bugs.python.org/file47505/python-3.7.0b3-clang-6.0.patch
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue33182>
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