Hi Collin,
> Here is the sys_un module as promised + typical C/C++ header checks.
The continuous integration detected a compilation failure on
Ubuntu 22.04, with clang 18 as compiler:
clang++ -DHAVE_CONFIG_H -DEXEEXT=\"\" -DEXEEXT=\"\" -I. -I../../gltests -I..
-DGNULIB_STRICT_CHECKING=1 -DIN_GNULIB_TESTS=1 -I. -I../../gltests -I..
-I../../gltests/.. -I../gllib -I../../gltests/../gllib -Wall
-DCONTINUE_AFTER_ASSERT -Wno-error -g -O2 -MT test-sys_un-c++.o -MD -MP -MF
$depbase.Tpo -c -o test-sys_un-c++.o ../../gltests/test-sys_un-c++.cc &&\
mv -f $depbase.Tpo $depbase.Po
In file included from ../../gltests/test-sys_un-c++.cc:24:
In file included from /usr/include/x86_64-linux-gnu/sys/un.h:37:
../gllib/string.h:809:20: error: declaration of 'memchr' has a different
language linkage
809 | _GL_CXXALIASWARN1 (memchr, void *,
| ^
/usr/include/string.h:78:1: note: previous definition is here
78 | memchr (void *__s, int __c, size_t __n) __THROW
| ^
In file included from ../../gltests/test-sys_un-c++.cc:24:
In file included from /usr/include/x86_64-linux-gnu/sys/un.h:37:
../gllib/string.h:812:20: error: declaration of 'memchr' has a different
language linkage
812 | _GL_CXXALIASWARN1 (memchr, void const *,
| ^
/usr/include/string.h:84:1: note: previous definition is here
84 | memchr (const void *__s, int __c, size_t __n) __THROW
| ^
In file included from ../../gltests/test-sys_un-c++.cc:24:
In file included from /usr/include/x86_64-linux-gnu/sys/un.h:37:
../gllib/string.h:914:20: error: declaration of 'memrchr' has a different
language linkage
914 | _GL_CXXALIASWARN1 (memrchr, void *,
| ^
/usr/include/string.h:110:20: note: previous declaration is here
110 | extern "C++" void *memrchr (void *__s, int __c, size_t __n)
| ^
In file included from ../../gltests/test-sys_un-c++.cc:24:
In file included from /usr/include/x86_64-linux-gnu/sys/un.h:37:
../gllib/string.h:917:20: error: declaration of 'memrchr' has a different
language linkage
917 | _GL_CXXALIASWARN1 (memrchr, void const *,
| ^
/usr/include/string.h:112:26: note: previous declaration is here
112 | extern "C++" const void *memrchr (const void *__s, int __c, size_t __n)
| ^
In file included from ../../gltests/test-sys_un-c++.cc:24:
In file included from /usr/include/x86_64-linux-gnu/sys/un.h:37:
../gllib/string.h:976:20: error: declaration of 'rawmemchr' has a different
language linkage
976 | _GL_CXXALIASWARN1 (rawmemchr, void *,
| ^
/usr/include/string.h:99:20: note: previous declaration is here
99 | extern "C++" void *rawmemchr (void *__s, int __c)
| ^
In file included from ../../gltests/test-sys_un-c++.cc:24:
In file included from /usr/include/x86_64-linux-gnu/sys/un.h:37:
../gllib/string.h:979:20: error: declaration of 'rawmemchr' has a different
language linkage
979 | _GL_CXXALIASWARN1 (rawmemchr, void const *,
| ^
/usr/include/string.h:101:26: note: previous declaration is here
101 | extern "C++" const void *rawmemchr (const void *__s, int __c)
| ^
In file included from ../../gltests/test-sys_un-c++.cc:24:
In file included from /usr/include/x86_64-linux-gnu/sys/un.h:37:
../gllib/string.h:1101:20: error: declaration of 'strchrnul' has a different
language linkage
1101 | _GL_CXXALIASWARN1 (strchrnul, char *,
| ^
/usr/include/string.h:261:20: note: previous declaration is here
261 | extern "C++" char *strchrnul (char *__s, int __c)
| ^
In file included from ../../gltests/test-sys_un-c++.cc:24:
In file included from /usr/include/x86_64-linux-gnu/sys/un.h:37:
../gllib/string.h:1104:20: error: declaration of 'strchrnul' has a different
language linkage
1104 | _GL_CXXALIASWARN1 (strchrnul, char const *,
| ^
/usr/include/string.h:263:26: note: previous declaration is here
263 | extern "C++" const char *strchrnul (const char *__s, int __c)
| ^
In file included from ../../gltests/test-sys_un-c++.cc:24:
In file included from /usr/include/x86_64-linux-gnu/sys/un.h:37:
../gllib/string.h:1340:20: error: declaration of 'strpbrk' has a different
language linkage
1340 | _GL_CXXALIASWARN1 (strpbrk, char *,
| ^
/usr/include/string.h:290:1: note: previous definition is here
290 | strpbrk (char *__s, const char *__accept) __THROW
| ^
In file included from ../../gltests/test-sys_un-c++.cc:24:
In file included from /usr/include/x86_64-linux-gnu/sys/un.h:37:
../gllib/string.h:1343:20: error: declaration of 'strpbrk' has a different
language linkage
1343 | _GL_CXXALIASWARN1 (strpbrk, char const *,
| ^
/usr/include/string.h:296:1: note: previous definition is here
296 | strpbrk (const char *__s, const char *__accept) __THROW
| ^
In file included from ../../gltests/test-sys_un-c++.cc:24:
In file included from /usr/include/x86_64-linux-gnu/sys/un.h:37:
../gllib/string.h:1452:20: error: declaration of 'strstr' has a different
language linkage
1452 | _GL_CXXALIASWARN1 (strstr, char *,
| ^
/usr/include/string.h:317:1: note: previous definition is here
317 | strstr (char *__haystack, const char *__needle) __THROW
| ^
In file included from ../../gltests/test-sys_un-c++.cc:24:
In file included from /usr/include/x86_64-linux-gnu/sys/un.h:37:
../gllib/string.h:1455:20: error: declaration of 'strstr' has a different
language linkage
1455 | _GL_CXXALIASWARN1 (strstr, const char *,
| ^
/usr/include/string.h:323:1: note: previous definition is here
323 | strstr (const char *__haystack, const char *__needle) __THROW
| ^
In file included from ../../gltests/test-sys_un-c++.cc:24:
In file included from /usr/include/x86_64-linux-gnu/sys/un.h:37:
../gllib/string.h:1505:20: error: declaration of 'strcasestr' has a different
language linkage
1505 | _GL_CXXALIASWARN1 (strcasestr, char *,
| ^
/usr/include/string.h:354:20: note: previous declaration is here
354 | extern "C++" char *strcasestr (char *__haystack, const char *__needle)
| ^
In file included from ../../gltests/test-sys_un-c++.cc:24:
In file included from /usr/include/x86_64-linux-gnu/sys/un.h:37:
../gllib/string.h:1508:20: error: declaration of 'strcasestr' has a different
language linkage
1508 | _GL_CXXALIASWARN1 (strcasestr, const char *,
| ^
/usr/include/string.h:356:26: note: previous declaration is here
356 | extern "C++" const char *strcasestr (const char *__haystack,
| ^
14 errors generated.
make[4]: *** [Makefile:27296: test-sys_un-c++.o] Error 1
make[4]: Leaving directory '/work/testdir-all/build/gltests'
Can you please find a workaround?
Bruno