[Buildroot] [PATCH 1/1] package/paho-mqtt-c: fix build without C++

[Yann E. MORIN]

Fabrice, All,

On 2020-05-01 12:50 +0200, Fabrice Fontaine spake thusly:
> Fixes:
>  - http://autobuild.buildroot.org/results/831ecc34b51ee2be82a3c25f5ec94f0dd2103655
> 
> Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>

Applied to master, thanks.

Regards,
Yann E. MORIN.

> ---
>  ...X-language-to-support-using-Generate.patch | 46 +++++++++++++++++++
>  1 file changed, 46 insertions(+)
>  create mode 100644 package/paho-mqtt-c/0002-Revert-Enable-CXX-language-to-support-using-Generate.patch
> 
> diff --git a/package/paho-mqtt-c/0002-Revert-Enable-CXX-language-to-support-using-Generate.patch b/package/paho-mqtt-c/0002-Revert-Enable-CXX-language-to-support-using-Generate.patch
> new file mode 100644
> index 0000000000..ee4c2307ef
> --- /dev/null
> +++ b/package/paho-mqtt-c/0002-Revert-Enable-CXX-language-to-support-using-Generate.patch
> @@ -0,0 +1,46 @@
> +From 342b3824d261f552a7be5dac7a242c263d9b9fd4 Mon Sep 17 00:00:00 2001
> +From: Fabrice Fontaine <fontaine.fabrice at gmail.com>
> +Date: Fri, 1 May 2020 12:41:59 +0200
> +Subject: [PATCH] Revert "Enable CXX language to support using
> + GenerateExportHeader"
> +
> +This reverts commit 23d68e8c798d29309a277fb3c869c23f9cac2bbf. Indeed,
> +GenerateExportHeader has been removed with commit
> +db5a2c216b122c57dc281aea2f3b7afa210dc0fc and ENABLE_LANGUAGE(CXX) will
> +raise the following build failure if no C++ compiler is found:
> +
> +CMake Error at CMakeLists.txt:34 (ENABLE_LANGUAGE):
> +  The CMAKE_CXX_COMPILER:
> +
> +    /home/buildroot/autobuild/instance-1/output-1/host/bin/arm-linux-g++
> +
> +  is not a full path to an existing compiler tool.
> +
> +  Tell CMake where to find the compiler by setting either the environment
> +  variable "CXX" or the CMake cache entry CMAKE_CXX_COMPILER to the full path
> +  to the compiler, or to the compiler name if it is in the PATH.
> +
> +Fixes:
> + - http://autobuild.buildroot.org/results/831ecc34b51ee2be82a3c25f5ec94f0dd2103655
> +
> +Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>
> +[Upstream status: https://github.com/eclipse/paho.mqtt.c/pull/872]
> +---
> + CMakeLists.txt | 1 -
> + 1 file changed, 1 deletion(-)
> +
> +diff --git a/CMakeLists.txt b/CMakeLists.txt
> +index c52a42e..a290730 100644
> +--- a/CMakeLists.txt
> ++++ b/CMakeLists.txt
> +@@ -31,7 +31,6 @@ file(READ version.minor PAHO_VERSION_MINOR)
> + file(READ version.patch PAHO_VERSION_PATCH)
> + SET(CLIENT_VERSION ${PAHO_VERSION_MAJOR}.${PAHO_VERSION_MINOR}.${PAHO_VERSION_PATCH})
> + 
> +-ENABLE_LANGUAGE(CXX)
> + INCLUDE(GNUInstallDirs)
> + 
> + STRING(TIMESTAMP BUILD_TIMESTAMP UTC)
> +-- 
> +2.26.2
> +
> -- 
> 2.26.2
> 
> _______________________________________________
> 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.  |
'------------------------------^-------^------------------^--------------------'