[OpenWrt-Devel] [PATCH] tools/cmake: fix compile on Alpine Linux

[John Crispin]

On 07/03/2016 22:08, Dirk Neukirchen wrote:
> internal jsoncpp include order leads to multiple build
> errors on Alpine Linux which uses musl libc
> 
> use include order from upstream jsoncpp
> 
> first error was:
> In file included from /usr/include/c++/5.3.0/stdexcept:38:0,
>                  from /home/..../openwrt/build_dir/host/cmake-3.4.3/Utilities/cmjsoncpp/include/json/assertions.h:16,
>                  from /home/..../openwrt/build_dir/host/cmake-3.4.3/Utilities/cmjsoncpp/src/lib_json/json_reader.cpp:7:
> /usr/include/c++/5.3.0/exception:35:9: error: '#pragma' is not allowed here
>  #pragma GCC visibility push(default)
> 

Hi,

all musl patches need to be submitted to the musl mailing list first.
maybe you have done so already. if not it would be great if you could do so.

	John

> Signed-off-by: Dirk Neukirchen <dirkneukirchen at web.de>
> ---
>  tools/cmake/patches/120-alpine_musl-compat.patch | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
>  create mode 100644 tools/cmake/patches/120-alpine_musl-compat.patch
> 
> diff --git a/tools/cmake/patches/120-alpine_musl-compat.patch b/tools/cmake/patches/120-alpine_musl-compat.patch
> new file mode 100644
> index 0000000..ae93201
> --- /dev/null
> +++ b/tools/cmake/patches/120-alpine_musl-compat.patch
> @@ -0,0 +1,17 @@
> +--- a/Utilities/cmjsoncpp/include/json/assertions.h
> ++++ b/Utilities/cmjsoncpp/include/json/assertions.h
> +@@ -6,12 +6,12 @@
> + #ifndef CPPTL_JSON_ASSERTIONS_H_INCLUDED
> + #define CPPTL_JSON_ASSERTIONS_H_INCLUDED
> + 
> ++#include <stdlib.h>
> ++
> + #if !defined(JSON_IS_AMALGAMATION)
> + #include "config.h"
> + #endif // if !defined(JSON_IS_AMALGAMATION)
> + 
> +-#include <stdlib.h>
> +-
> + #if JSON_USE_EXCEPTION
> + #include <stdexcept>
> + #define JSON_ASSERT(condition)                                                 \
> 
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