Hello,
compiling guile's master under Arch Linux results in a link error: posix.c: In function 'scm_nice': posix.c:1892:3: warning: ignoring return value of 'nice', declared with attribute warn_unused_result [-Wunused-result] nice (scm_to_int (incr)); ^~~~~~~~~~~~~~~~~~~~~~~~ CC libguile_3.0_la-net_db.lo CC libguile_3.0_la-socket.lo CC libguile_3.0_la-regex-posix.lo CCLD libguile-3.0.la /usr/bin/ld: .libs/libguile_3.0_la-posix.o: in function `scm_tmpnam': posix.c:(.text+0x1f2d): warning: the use of `tmpnam' is dangerous, better use `mkstemp' CC guile-guile.o CCLD guile /usr/bin/ld: ./.libs/libguile-3.0.so: undefined reference to `scm_to_off_t' collect2: error: ld returned 1 exit status make[3]: *** [Makefile:2439: guile] Error 1 make[3]: Leaving directory '/home/haawda/paketierung/meine_Pakete/guile-git/src/guile/libguile' make[2]: *** [Makefile:2298: all] Error 2 make[2]: Leaving directory '/home/haawda/paketierung/meine_Pakete/guile-git/src/guile/libguile' make[1]: *** [Makefile:1844: all-recursive] Error 1 make[1]: Leaving directory '/home/haawda/paketierung/meine_Pakete/guile-git/src/guile' make: *** [Makefile:1730: all] Error 2 Best Regards Stefan Husmann