Hi Ian, Did you follow the instructions in https://github.com/apache/commons-daemon/blob/master/src/native/unix/INSTALL.txt ?
Gary On Mon, Mar 16, 2026, 15:32 Ian Emmons <[email protected]> wrote: > I am attempting to build jsvc under Ubuntu 25.10 using the default system > compiler, GCC 15.2.0. The build fails with the following error: > > In file included from jsvc-unix.c:17: > > jsvc.h:32:5: error: cannot use keyword ‘false’ as enumeration constant > > 32 | false, > > | ^~~~~ > > jsvc.h:32:5: note: ‘false’ is a keyword with ‘-std=c23’ onwards > > jsvc.h:34:3: error: expected ‘;’, identifier or ‘(’ before ‘bool’ > > 34 | } bool; > > | ^~~~ > > jsvc.h:34:3: warning: useless type name in empty declaration > > > This stems from these lines near to top of jsvc.h: > > #ifdef OS_DARWIN > > #include <stdbool.h> > > #else > > typedef enum { > > false, > > true > > } bool; > > #endif > > > I believe that the line "#ifdef OS_DARWIN" should be replaced by something > like this: > > #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 */ > > > so that stdbool.h is included for all C99-conforming compilers, not just > Apple's clang. > > > Thanks, > > > > Ian
