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_FORTIFY_SOURCE seems to break compilation #89

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tammela opened this issue Feb 2, 2020 · 2 comments · May be fixed by #97
Open

_FORTIFY_SOURCE seems to break compilation #89

tammela opened this issue Feb 2, 2020 · 2 comments · May be fixed by #97

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@tammela
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tammela commented Feb 2, 2020 •
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Compiling with _FORTIFY_SOURCE, which might standard in some distros, seems to break the compilation process with an error on libc's function vnsprintf().

The following patch can fix the compilation:

-set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS} -Wall")
-set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3")
+set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS} -U_FORTIFY_SOURCE -Wall")
+set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -U_FORTIFY_SOURCE -O3")

Might need more info as alpine uses musl.

Setup:
Alpine 39
gcc (Alpine 8.3.0) 8.3.0
@karanankit01
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i want to look on this issue.
Is this error arose after addition of libraries to make work on all platform?

@tammela
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tammela commented Feb 24, 2020 via email

@karanankit01 karanankit01 linked a pull request Mar 6, 2020 that will close this issue
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_FORTIFY_SOURCE seems to break compilation karanankit01/LuaFormatter
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@tammela @karanankit01