Hi, On NetBSD 9.0/x86_64, the newest release m4-1.4.18 exhibits a "make check" failure:
CC test-localename.o ../../tests/test-localename.c: In function 'test_locale_name': ../../tests/test-localename.c:74:3: warning: implicit declaration of function 'uselocale'; did you mean 'setlocale'? [-Wimplicit-function-declaration] uselocale (LC_GLOBAL_LOCALE); ^~~~~~~~~ setlocale CCLD test-localename ld: test-localename.o: in function `test_locale_name_thread': /home/bruno/m4-1.4.18/build/tests/../../tests/test-localename.c:238: undefined reference to `uselocale' ld: /home/bruno/m4-1.4.18/build/tests/../../tests/test-localename.c:249: undefined reference to `uselocale' ld: /home/bruno/m4-1.4.18/build/tests/../../tests/test-localename.c:254: undefined reference to `uselocale' ld: /home/bruno/m4-1.4.18/build/tests/../../tests/test-localename.c:277: undefined reference to `uselocale' ld: /home/bruno/m4-1.4.18/build/tests/../../tests/test-localename.c:288: undefined reference to `uselocale' ld: test-localename.o:/home/bruno/m4-1.4.18/build/tests/../../tests/test-localename.c:422: more undefined references to `uselocale' follow *** Error code 1 This is fixed in the current m4 snapshot that can be downloaded from https://gitlab.com/gnu-m4/ci-distcheck/ Bruno
