[Buildroot] [PATCH 1/1] package/libevent: fix build with openssl

[Arnout Vandecappelle]

On 08/06/2019 23:57, Fabrice Fontaine wrote:
> Since bump to version 2.1.10 in commit
> 3c8e79db8375f83a8e6a1d58ade697447903b6b0, openssl detection is broken.
> Add a patch to fix it otherwise libwebsock fails to build
> 
> Fixes:
>  - http://autobuild.buildroot.org/results/be32afa364a6b387195cdb5166fb23e9610451a7
> 
> Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>

 Applied to master, thanks.

 Regards,
 Arnout

> ---
>  ..._openssl.m4-fix-detection-of-openssl.patch | 36 +++++++++++++++++++
>  1 file changed, 36 insertions(+)
>  create mode 100644 package/libevent/0002-m4-libevent_openssl.m4-fix-detection-of-openssl.patch
> 
> diff --git a/package/libevent/0002-m4-libevent_openssl.m4-fix-detection-of-openssl.patch b/package/libevent/0002-m4-libevent_openssl.m4-fix-detection-of-openssl.patch
> new file mode 100644
> index 0000000000..0724135df8
> --- /dev/null
> +++ b/package/libevent/0002-m4-libevent_openssl.m4-fix-detection-of-openssl.patch
> @@ -0,0 +1,36 @@
> +From 0374b55942e533a3c3997439481a8d05d6c8f729 Mon Sep 17 00:00:00 2001
> +From: Fabrice Fontaine <fontaine.fabrice at gmail.com>
> +Date: Sat, 8 Jun 2019 23:44:37 +0200
> +Subject: [PATCH] m4/libevent_openssl.m4: fix detection of openssl
> +
> +Since commit 506df426dbeb0187bbd3654bd286b4100628fb16, OPENSSL_INCS is
> +added to CPPFLAGS without any white space, as a result openssl detection
> +fails on:
> +configure:10395: checking openssl/ssl.h usability
> +configure:10395: /home/fabrice/buildroot-test/buildroot/output/host/bin/riscv32-linux-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -Wall -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64-I/home/fabrice/buildroot-test/buildroot/output/host/bin/../riscv32-buildroot-linux-gnu/sysroot/usr/include  conftest.c >&5
> +<command-line>:0:0: warning: "_FILE_OFFSET_BITS" redefined
> +<command-line>:0:0: note: this is the location of the previous definition
> +<command-line>:0:23: error: division by zero in #if
> +
> +Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>
> +[Upstream status: https://github.com/libevent/libevent/pull/830]
> +---
> + m4/libevent_openssl.m4 | 2 +-
> + 1 file changed, 1 insertion(+), 1 deletion(-)
> +
> +diff --git a/m4/libevent_openssl.m4 b/m4/libevent_openssl.m4
> +index 7b458134..19811981 100644
> +--- a/m4/libevent_openssl.m4
> ++++ b/m4/libevent_openssl.m4
> +@@ -40,7 +40,7 @@ case "$enable_openssl" in
> + 	;;
> +     esac
> +     CPPFLAGS_SAVE=$CPPFLAGS
> +-    CPPFLAGS+=$OPENSSL_INCS
> ++    CPPFLAGS="$CPPFLAGS $OPENSSL_INCS"
> +     AC_CHECK_HEADERS([openssl/ssl.h], [], [have_openssl=no])
> +     CPPFLAGS=$CPPFLAGS_SAVE
> +     AC_SUBST(OPENSSL_INCS)
> +-- 
> +2.20.1
> +
>