8000 Unable to compile · Issue #225 · lava/matplotlib-cpp · GitHub
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klargy opened this issue Sep 9, 2020 · 2 comments
Open

Unable to compile #225

klargy opened this issue Sep 9, 2020 · 2 comments

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@klargy
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klargy commented Sep 9, 2020 •
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I'm getting this error when I try to compile
matplotlibcpp.h:177:29: error: cannot convert ‘wchar_t**’ to ‘char**’
@PierreMezieres
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Hello,
I'm not really sure about what I'm going to say, but I think it's because you use Python2 and not Python3. When I link Python2 I have this error and not with Python3 by the way.

But nevermind, you can replace the line 177 PySys_SetArgv(argc, const_cast<wchar_t **>(argv)); by those two lines:
char ** argm = (char **)(argv); PySys_SetArgv(argc, argm);
At least, it worked for me when using Python2.

williamleong added a commit to williamleong/matplotlib-cpp that referenced this issue Oct 2, 2020
@williamleong
Fix lava#221 and lava#225
95755e4
@w 8000 illiamleong williamleong mentioned this issue Oct 2, 2020
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@yukkysaito
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I got the same error.
The readme example looks like it's supposed to link to python 2.7

g++ minimal.cpp -std=c++11 -I/usr/include/python2.7 -lpython2.7

@shyney7 shyney7 mentioned this issue Oct 23, 2020
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@shyney7 shyney7 mentioned this issue Nov 16, 2020
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lava pushed a commit that referenced this issue Mar 25, 2021
@williamleong @lava
Fix #221 and #225
2bf4f26
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@yukkysaito @PierreMezieres @klargy
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