Hi, reported by oss-fuzz and reproducible locally when building libunistring (latest master):
gcc -DHAVE_CONFIG_H -DNO_XMALLOC -I. -I.. -I. -I. -I.. -I.. -DIN_LIBUNISTRING -DDEPENDS_ON_LIBICONV=1 -g -Og -Wall -Wextra -c localcharset.c In file included from localcharset.c:59:0: ./langinfo.h:163:7: error: token "@" is not valid in preprocessor expressions # if !@HAVE_LANGINFO_ALTMON@ ^ Makefile:5886: die Regel für Ziel „config.h“ scheiterte make[2]: *** [config.h] Fehler 1 make[2]: Verzeichnis „/home/tim/src/libunistring/lib“ wird verlassen Regards, Tim