[Buildroot] [PATCH 1/1] package/libuhttpd: fix build without dlopen

[Yann E. MORIN <yann.morin.1998@free.fr>]

Fabrice, All,

On 2020-10-25 17:43 +0100, Fabrice Fontaine spake thusly:
> Fix build of libuhttpd in version 3.4.0 without dlopen
> 
> Fixes:
>  - http://autobuild.buildroot.org/results/b2bbd0681705b94e6b531996b39f62e47f089c92
> 
> Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>

Applied to master, thanks.

See below for an additional comment...

> ---
>  ...rc-uhttpd.c-fix-build-without-dlopen.patch | 35 +++++++++++++++++++
>  1 file changed, 35 insertions(+)
>  create mode 100644 package/libuhttpd/0001-src-uhttpd.c-fix-build-without-dlopen.patch
> 
> diff --git a/package/libuhttpd/0001-src-uhttpd.c-fix-build-without-dlopen.patch b/package/libuhttpd/0001-src-uhttpd.c-fix-build-without-dlopen.patch
> new file mode 100644
> index 0000000000..966041028b
> --- /dev/null
> +++ b/package/libuhttpd/0001-src-uhttpd.c-fix-build-without-dlopen.patch
> @@ -0,0 +1,35 @@
> +From 0b2058e7c96a3d8d994d572116ad7b950766347b Mon Sep 17 00:00:00 2001
> +From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
> +Date: Fri, 16 Oct 2020 21:39:47 +0200
> +Subject: [PATCH] src/uhttpd.c: fix build without dlopen
> +
> +Build without dlopen fails on:
> +
> +/data/buildroot-test/instance-0/output-1/build/libuhttpd-3.4.0/src/uhttpd.c:45:23: error: unused variable 'p' [-Werror=unused-variable]
> +     struct uh_plugin *p = srv->plugins;
> +                       ^

Ideally, we'd like to be able to build with -Werror. Do you think you
could see with upstream so that they at least add an option to disable
it?

Regards,
Yann E. MORIN.

> +Fixes:
> + - http://autobuild.buildroot.org/results/b2bbd0681705b94e6b531996b39f62e47f089c92
> +
> +Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
> +[Retrieved from:
> +https://github.com/zhaojh329/libuhttpd/commit/0b2058e7c96a3d8d994d572116ad7b950766347b]
> +---
> + src/uhttpd.c | 2 ++
> + 1 file changed, 2 insertions(+)
> +
> +diff --git a/src/uhttpd.c b/src/uhttpd.c
> +index dad3646..a37c136 100644
> +--- a/src/uhttpd.c
> ++++ b/src/uhttpd.c
> +@@ -42,7 +42,9 @@ void conn_free(struct uh_connection *conn);
> + static void uh_server_free(struct uh_server *srv)
> + {
> +     struct uh_connection *conn = srv->conns;
> ++#ifdef HAVE_DLOPEN
> +     struct uh_plugin *p = srv->plugins;
> ++#endif
> + 
> +     ev_io_stop(srv->loop, &srv->ior);
> + 
> -- 
> 2.28.0
> 
> _______________________________________________
> buildroot mailing list
> buildroot at busybox.net
> http://lists.busybox.net/mailman/listinfo/buildroot

-- 
.-----------------.--------------------.------------------.--------------------.
|  Yann E. MORIN  | Real-Time Embedded | /"\ ASCII RIBBON | Erics' conspiracy: |
| +33 662 376 056 | Software  Designer | \ / CAMPAIGN     |  ___               |
| +33 561 099 427 `------------.-------:  X  AGAINST      |  \e/  There is no  |
| http://ymorin.is-a-geek.org/ | _/*\_ | / \ HTML MAIL    |   v   conspiracy.  |
'------------------------------^-------^------------------^--------------------'