Change in "bootstrap.conf" (local file). # "putenv" changed to "putenv-gnu" as the former is deprecated.
[...] CXXLD grn /usr/bin/ld: src/preproc/grn/main.o: warning: relocation against `groff_optopt' in read-only section `.text.startup' /usr/bin/ld: src/preproc/grn/main.o: in function `main': main.cpp:(.text.startup+0x1c1): undefined reference to `groff_optopt' /usr/bin/ld: warning: creating DT_TEXTREL in a PIE collect2: error: ld returned 1 exit status make[2]: *** [Makefile:8710: grn] Error 1 make[2]: Leaving directory '/home/bg/git/groff/build' make[1]: *** [Makefile:14630: all-recursive] Error 1 make[1]: Leaving directory '/home/bg/git/groff/build' make: *** [Makefile:7824: all] Error 2 Probably caused by Updating file gnulib_m4/realloc.m4 (backup in gnulib_m4/realloc.m4~) Updating file lib/realloc.c (backup in lib/realloc.c~) which is not (yet) used in the master repository. Fixed in my local version of groff by adding #include <config.h> // for getopt.h #include <getopt.h> to src/preproc/grn/main.cpp.
