Public bug reported:
During compilation of unit tests the following error arised:
```
cd /<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/test/unittest && /usr/bin/c++
-I/<<PKGBUILDDIR>>/include -isystem /usr/src/gtest/include -isystem
/usr/src/gtest -g -O3 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
-ffile-prefix-map=/<<PKGBUILDDIR>>=. -flto=auto -ffat-lto-objects
-fstack-protector-strong -fstack-clash-protection -Wformat
-Werror=format-security -fcf-protection
-fdebug-prefix-map=/<<PKGBUILDDIR>>=/usr/src/rapidjson-1.1.0+dfsg2-7.3
-Wdate-time -D_FORTIFY_SOURCE=3 -march=native -Wall -Wextra -Werror -Werror
-Wall -Wextra -Weffc++ -Wswitch-default -Wfloat-equal
-DRAPIDJSON_HAS_STDSTRING=1 -DGTEST_HAS_PTHREAD=1 -MD -MT
test/unittest/CMakeFiles/unittest.dir/itoatest.cpp.o -MF
CMakeFiles/unittest.dir/itoatest.cpp.o.d -o
CMakeFiles/unittest.dir/itoatest.cpp.o -c
/<<PKGBUILDDIR>>/test/unittest/itoatest.cpp
In function ‘u32toa_naive(unsigned int, char*)’,
inlined from ‘i32toa_naive(int, char*)’ at
/<<PKGBUILDDIR>>/test/unittest/itoatest.cpp:115:17,
inlined from ‘VerifyValue<int>(int, void (*)(int, char*), char* (*)(int,
char*))void [clone .constprop.0]’ at
/<<PKGBUILDDIR>>/test/unittest/itoatest.cpp:62:6:
/<<PKGBUILDDIR>>/test/unittest/itoatest.cpp:103:19: error: writing 16 bytes
into a region of size 12 [-Werror=stringop-overflow=]
103 | *buffer++ = *--p;
| ~~~~~~~~~~^~~~~~
```
This seems to occur in the latest version of upstream when using
gcc-14_14.2.0-8ubuntu1, due to unit tests being built with the `-Werror`
option, and a `stringop-overflow` warning being raised in
`test/unittest/itoatest.cpp`.
Upstream GCC has received multiple reports on spurious `stringop-
overflow` warnings (e.g.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101134) and this has
already been reported to the upstream rapidjson project as well
(https://github.com/Tencent/rapidjson/issues/2003). Given that both
projects are aware of the issue and that this is an issue in the code
for the unit tests, I think it makes sense to disable this specific
warning when building the test suite.
** Affects: rapidjson (Ubuntu)
Importance: Undecided
Status: New
--
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https://bugs.launchpad.net/bugs/2089274
Title:
rapidjson fails to build from source on plucky due to
`-Werror=stringop-overflow` in unittests
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