Hello,
I've encountered a compilation issue related to '#include_next' when
compiling GNU coreutils, when using the latest tcc from git.
Coreutils (gnulib, technically) creates a local ./lib/sys/types.h file,
which calls '#include_next <sys/types.h>', then through several
other includes, the compliation fails (while it succeeds with gcc and
clang).
To reproduce:
wget http://ftpmirror.gnu.org/coreutils/coreutils-8.24.tar.xz
tar -xf coreutils-8.24.tar.xz
cd coreutils-8.24/
./configure CC=tcc
make
[...]
make[2]: Entering directory '/home/miles/coreutils-8.24'
CC lib/copy-acl.o
In file included from lib/copy-acl.c:22:
In file included from lib/acl.h:24:
In file included from ./lib/sys/types.h:28:
In file included from lib/sys/types.h:28:
In file included from /usr/include/x86_64-linux-gnu/sys/types.h:219:
In file included from ./lib/sys/select.h:77:
./lib/sys/types.h:28: error: include file 'sys/types.h' not found
Makefile:8830: recipe for target 'lib/copy-acl.o' failed
make[2]: *** [lib/copy-acl.o] Error 1
To reproduce with a smaller test program (after running 'make' which
generates 'lib/sys/types.h'), do:
$ pwd
/home/user/coreutils-8.24
$ echo "#include <sys/param.h>" > 1.c
$ echo "int main() { return 0; }" >> 1.c
$ gcc -I./lib -c -o /dev/null 1.c && echo ok
ok
$ clang -I./lib -c -o /dev/null 1.c && echo ok
ok
$ tcc -I./lib -c -o /dev/null 1.c && echo ok
In file included from 1.c:1:
In file included from /usr/include/x86_64-linux-gnu/sys/param.h:25:
In file included from ./lib/sys/types.h:28:
In file included from /usr/include/x86_64-linux-gnu/sys/types.h:219:
In file included from ./lib/sys/select.h:77:
./lib/sys/types.h:28: error: include file 'sys/types.h' not found
Regards,
- assaf
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