On Fri, Nov 21, 2025 at 08:13:57PM -0600, Kenneth Pronovici wrote: > Package: cproto > Version: 4.7x-1 > Severity: normal > Tags: upstream ... > I found the utility 'cproto' throws a warning when processing c source > files with embedded #include <sys/types.h>, e.g.: > > $ cproto mkdirpath.c > /* mkdirpath.c */ > /usr/include/linux/types.h:12: syntax error at token '__s128' > Expected: ';' > int mkPath(const char *path, const char *user, const char *group, int mode); > int checkPath(const char *path, const char *user, const char *group, > int mode, int cflag, char **fail); > > This error can be reproduced on debian trixie, 'x86_64-linux-gnu' > (intel) and 'arm-linux-gnueabihf' (raspberry-pi) platform. > The installed cproto packet is cproto_4.7x-1_amd64.deb. > The error occured first after update from debian bookworm to trixie > and I suspect types.h is the culprit. > Unfortuantely it's beyond my skills to dig into these header files.
/usr/include/linux/types.h at line 12 has this: #ifdef __SIZEOF_INT128__ typedef __signed__ __int128 __s128 __attribute__((aligned(16))); typedef unsigned __int128 __u128 __attribute__((aligned(16))); #endif which uses gcc "extensions" (i.e., alternate spellings of standard C keywords used to help people write non-portable code). cproto has a few of those. https://github.com/ThomasDickey/cproto-snapshots/blob/master/keywords.gperf This page lists some more, which gcc added since the last time this problem was pointed out: https://www.gnu.org/software/gnu-c-manual/gnu-c-manual.html#Keywords clang lists some, but doesn't bother to point out which are "extensions": https://clang.llvm.org/docs/LanguageExtensions.html -- Thomas E. Dickey <[email protected]> https://invisible-island.net
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