Re: [PATCH] gnulib: import getline

[Mike Frysinger <vapier@gentoo.org>]

On 02 May 2021 10:14, Eli Zaretskii wrote:
> From: Mike Frysinger via Gdb-patches <gdb-patches@sourceware.org>
> > getline is in POSIX, but not all targets support it.  e.g. Windows
> > (mingw) omit it.
> 
> Which MinGW?  mingw.org's MinGW does have getline and getdelim.

mingw.org doesn't exist anymore, and sf.net/p/mingw hasn't been updated in
almost a decade.  we switched to http://mingw-w64.org/ for 64-bit support.

$ cat test.c
#include <stdio.h>
int main() { getline(NULL, NULL, NULL); }

$ i686-w64-mingw32-gcc test.c
test.c: In function ‘main’:
test.c:2:14: warning: implicit declaration of function ‘getline’ [-Wimplicit-function-declaration]
    2 | int main() { getline(NULL, NULL, NULL); }
      |              ^~~~~~~
/usr/libexec/gcc/i686-w64-mingw32/ld: /tmp/ccOlIsIf.o:test.c:(.text+0x26): undefined reference to `getline'
collect2: error: ld returned 1 exit status

$ i686-w64-mingw32-gcc --version
i686-w64-mingw32-gcc (Gentoo 10.3.0 p1) 10.3.0

$ printf '#include <_mingw_mac.h>\n__MINGW64_VERSION_STR\n' |
	i686-w64-mingw32-gcc -E -dD -P - |
	tail -n1
"8" "." "0" "." "0"
-mike