With $SRCDIR updated on 2021-04-16 at 18:08:17 UTC I am seeing
... # compile csh/printf.o /build/netbsd-local/tools/x86_64/amd64/bin/x86_64--netbsd-gcc -O2 -fPIE -g -std=gnu99 -Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wno-sign-compare -Wsystem-headers -Wno-traditional -Wa,--fatal-warnings -Wreturn-type -Wswitch -Wshadow -Wcast-qual -Wwrite-strings -Wextra -Wno-unused-parameter -Wno-sign-compare -Wold-style-definition -Wconversion -Wsign-compare -Wformat=2 -Wno-format-zero-length -Werror --sysroot=/build/netbsd-local/dest/amd64 -I/build/netbsd-local/src_ro/bin/csh -I. -DBUILTIN -DFILEC -DNLS -DSHORT_STRINGS -DEDIT -c -Wno-format-nonliteral /build/netbsd-local/src_ro/usr.bin/printf/printf.c -o printf.o.o /build/netbsd-local/src_ro/usr.bin/printf/printf.c: In function 'conv_escape': /build/netbsd-local/src_ro/usr.bin/printf/printf.c:508:14: error: conversion from 'int' to 'char' may change value [-Werror=conversion] 508 | value <<= 3; | ^ /build/netbsd-local/src_ro/usr.bin/printf/printf.c:122:21: error: conversion from 'int' to 'char' may change value [-Werror=conversion] 122 | #define octtobin(c) (char)((c) - '0') | ^ /build/netbsd-local/src_ro/usr.bin/printf/printf.c:509:13: note: in expansion of macro 'octtobin' 509 | value += octtobin(*str); | ^~~~~~~~ /build/netbsd-local/src_ro/usr.bin/printf/printf.c:522:14: error: conversion from 'int' to 'char' may change value [-Werror=conversion] 522 | value <<= 4; | ^ /build/netbsd-local/src_ro/usr.bin/printf/printf.c:524:13: error: conversion from 'int' to 'char' may change value [-Werror=conversion] 524 | value += d; | ^ cc1: all warnings being treated as errors *** [printf.o] Error code 1 nbmake[7]: stopped in /build/netbsd-local/src_ro/bin/csh +--------------------+--------------------------+-----------------------+ | Paul Goyette | PGP Key fingerprint: | E-mail addresses: | | (Retired) | FA29 0E3B 35AF E8AE 6651 | p...@whooppee.com | | Software Developer | 0786 F758 55DE 53BA 7731 | pgoye...@netbsd.org | +--------------------+--------------------------+-----------------------+