Re: [Buildroot] [PATCH 1/1] package/ola: fix build with musl 1.2.3

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

Fabrice, All,

On 2022-07-14 11:36 +0200, Fabrice Fontaine spake thusly:
> Fix the following build failure with musl 1.2.3:
> 
> ola/AutoStart.cpp: In function 'ola::network::TCPSocket* ola::client::ConnectToServer(short unsigned int)':
> ola/AutoStart.cpp:116:12: error: invalid cast from type 'std::nullptr_t' to type 'char*'
>   116 |            reinterpret_cast<char*>(NULL));
>       |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 
> Fixes:
>  - http://autobuild.buildroot.org/results/88be323e64f66433cabc962e719307b5fb6a6177
> 
> Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>

Applied to master, thanks.

Regards,
Yann E. MORIN.

> ---
>  ...-ola-fix-compilation-with-musl-1-2-3.patch | 35 +++++++++++++++++++
>  1 file changed, 35 insertions(+)
>  create mode 100644 package/ola/0001-ola-fix-compilation-with-musl-1-2-3.patch
> 
> diff --git a/package/ola/0001-ola-fix-compilation-with-musl-1-2-3.patch b/package/ola/0001-ola-fix-compilation-with-musl-1-2-3.patch
> new file mode 100644
> index 0000000000..f236ef0957
> --- /dev/null
> +++ b/package/ola/0001-ola-fix-compilation-with-musl-1-2-3.patch
> @@ -0,0 +1,35 @@
> +From eb31017284f9a1c95602a9c06d606df6b558a691 Mon Sep 17 00:00:00 2001
> +From: Rosen Penev <rosenp@gmail.com>
> +Date: Thu, 14 Apr 2022 17:39:32 -0700
> +Subject: [PATCH] ola: fix compilation with musl 1.2.3
> +
> +musl 1.2.3 defines NULL as nullptr. cannot use reinterpret_cast with
> +nullptr.
> +
> +Signed-off-by: Rosen Penev <rosenp@gmail.com>
> +[Retrieved from:
> +https://github.com/OpenLightingProject/ola/pull/1773/commits/eb31017284f9a1c95602a9c06d606df6b558a691]
> +Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
> +---
> + ola/AutoStart.cpp | 6 +++---
> + 1 file changed, 3 insertions(+), 3 deletions(-)
> +
> +diff --git a/ola/AutoStart.cpp b/ola/AutoStart.cpp
> +index 89fa51f115..4dbe20d317 100644
> +--- a/ola/AutoStart.cpp
> ++++ b/ola/AutoStart.cpp
> +@@ -110,11 +110,11 @@ TCPSocket *ConnectToServer(unsigned short port) {
> +     // Try to start the server, we pass --daemon (fork into background) and
> +     // --syslog (log to syslog).
> +     execlp("olad", "olad", "--daemon", "--syslog",
> +-#ifdef __FreeBSD__
> +-           reinterpret_cast<char*>(0));
> ++#if __cplusplus >= 201103L
> ++           nullptr);
> + #else
> +            reinterpret_cast<char*>(NULL));
> +-#endif  // __FreeBSD__
> ++#endif  // __cplusplus >= 201103L
> +     OLA_WARN << "Failed to exec: " << strerror(errno);
> +     _exit(1);
> +   }
> -- 
> 2.35.1
> 
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