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Re: [mosquitto-dev] 2.1.0rc1 available for testing
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Roger Light via mosquitto-dev <mosquitto-dev@xxxxxxxxxxx> writes:
> On Wed, 21 Jan 2026 at 10:15, c--- via mosquitto-dev
> <mosquitto-dev@xxxxxxxxxxx> wrote:
>
>> - I couldn’t get apps/mosquitto_ctrl to compile because Xcode has readline 0x0402 installed
>> (urrent readline version is 0x0803!) and overriding EDITLINE_DIR wasn’t successful (I am not a cmake expert):
>> ```
>> [ 26%] Building C object apps/mosquitto_ctrl/CMakeFiles/ctrl_shell.dir/ctrl_shell.c.o
>> In file included from /Users/ckrey/mosquitto/apps/mosquitto_ctrl/ctrl_shell.c:40:
>> /Users/ckrey/mosquitto/apps/mosquitto_ctrl/ctrl_shell_internal.h:38:2: error: unknown type name 'rl_vcpfunc_t'
>> 38 | rl_vcpfunc_t *line_callback;
>> | ^
>
> Yes, this is a pain. It uses editline for license reasons, but with
> the readline compatible interface. I didn't realise this wasn't
> commonplace.
It is normal to use editline's readline-compatible interface, but then
- need to warn in READLINE-compiling that editline has to be in scope
before system readline on macs
- need some way to include editline's readline that works in both
"install editline on linux" and "editline is built into netbsd".
NetBSD has
/usr/include/histedit.h (editline native interface)
/usr/include/readline/readline.h (editline readline compatible
interface)
the portable library, when built in pkgsrc has
include/editline/history.h
include/editline/readline.h
include/histedit.h
lib/libedit.la
lib/pkgconfig/libedit.pc
so maybe the "find editline" should either
if NetBSD, accept base. otherwise, expect portable
and the #include part should be ifdefed on portable-editline vs
editline-is-native as
#ifdef HAVE_NATIVE_EDITLINE
#include <readline/readline.h>
#else
#include <reedline/readline.h>
#fi
But maybe that can be
AC_CHECK_HEADER(editline/readline.h)
if that failed: AC_CHECK_HEADER(readline/readline.h>
and then use the HAVE_EDITLINE_READLINE_H / HAVE_READLINE_READLINE_H
