[OE-core] [PATCH] libnss-mdns: Stop trying to build for musl

[Khem Raj]

On 5/18/19 10:21 AM, Adrian Bunk wrote:
> There's no point in building an NSS module for a C library
> that doesn't support NSS.
> 

Fundamentally this change looks ok however
have you tried using avahi after this change ?

> Signed-off-by: Adrian Bunk <bunk at stusta.de>
> ---
>   .../libnss-mdns/0001-check-for-nss.h.patch    | 56 -------------------
>   .../libnss-mdns/libnss-mdns_0.10.bb           |  3 +-
>   2 files changed, 2 insertions(+), 57 deletions(-)
>   delete mode 100644 meta/recipes-connectivity/libnss-mdns/libnss-mdns/0001-check-for-nss.h.patch
> 
> diff --git a/meta/recipes-connectivity/libnss-mdns/libnss-mdns/0001-check-for-nss.h.patch b/meta/recipes-connectivity/libnss-mdns/libnss-mdns/0001-check-for-nss.h.patch
> deleted file mode 100644
> index f63eb90cdc..0000000000
> --- a/meta/recipes-connectivity/libnss-mdns/libnss-mdns/0001-check-for-nss.h.patch
> +++ /dev/null
> @@ -1,56 +0,0 @@
> -From bdf01a581d58eb5340e9238d143dbcac9db5b11c Mon Sep 17 00:00:00 2001
> -From: Khem Raj <raj.khem at gmail.com>
> -Date: Sat, 30 Jan 2016 19:29:45 +0000
> -Subject: [PATCH] check for nss.h
> -
> -nss.h may not available on all libc implementations, e.g. musl does not
> -have this header, this patch detects nss.h presence and defines the data
> -types that are required if nss.h is missing on platform
> -
> -Signed-off-by: Khem Raj <raj.khem at gmail.com>
> ----
> -Upstream-Status: Pending
> -
> - configure.ac |  2 +-
> - src/nss.c    | 11 +++++++++++
> - 2 files changed, 12 insertions(+), 1 deletion(-)
> -
> -diff --git a/configure.ac b/configure.ac
> -index aa66bc6..ce19b07 100644
> ---- a/configure.ac
> -+++ b/configure.ac
> -@@ -71,7 +71,7 @@ AC_PROG_LIBTOOL
> -
> - # Checks for header files.
> - AC_HEADER_STDC
> --AC_CHECK_HEADERS([arpa/inet.h fcntl.h inttypes.h netdb.h netinet/in.h stdlib.h string.h sys/socket.h sys/time.h unistd.h nss.h sys/ioctl.h])
> -+AC_CHECK_HEADERS([arpa/inet.h fcntl.h inttypes.h netdb.h netinet/in.h stdlib.h string.h sys/socket.h sys/time.h unistd.h nss.h sys/ioctl.h nss.h])
> -
> - # Checks for typedefs, structures, and compiler characteristics.
> - AC_C_CONST
> -diff --git a/src/nss.c b/src/nss.c
> -index e48e315..406733b 100644
> ---- a/src/nss.c
> -+++ b/src/nss.c
> -@@ -29,7 +29,18 @@
> - #include <assert.h>
> - #include <netdb.h>
> - #include <sys/socket.h>
> -+#ifdef HAVE_NSS_H
> - #include <nss.h>
> -+#else
> -+enum nss_status {
> -+    NSS_STATUS_TRYAGAIN = -2,
> -+    NSS_STATUS_UNAVAIL,
> -+    NSS_STATUS_NOTFOUND,
> -+    NSS_STATUS_SUCCESS,
> -+    NSS_STATUS_RETURN
> -+};
> -+#endif
> -+
> - #include <stdio.h>
> - #include <stdlib.h>
> -
> ---
> -2.7.0
> -
> diff --git a/meta/recipes-connectivity/libnss-mdns/libnss-mdns_0.10.bb b/meta/recipes-connectivity/libnss-mdns/libnss-mdns_0.10.bb
> index d0eb2768d1..953505971a 100644
> --- a/meta/recipes-connectivity/libnss-mdns/libnss-mdns_0.10.bb
> +++ b/meta/recipes-connectivity/libnss-mdns/libnss-mdns_0.10.bb
> @@ -9,7 +9,6 @@ DEPENDS = "avahi"
>   PR = "r7"
>   
>   SRC_URI = "http://0pointer.de/lennart/projects/nss-mdns/nss-mdns-${PV}.tar.gz \
> -           file://0001-check-for-nss.h.patch \
>              "
>   
>   SRC_URI[md5sum] = "03938f17646efbb50aa70ba5f99f51d7"
> @@ -21,6 +20,8 @@ localstatedir = "/"
>   
>   inherit autotools
>   
> +COMPATIBLE_HOST_libc-musl = 'null'
> +
>   EXTRA_OECONF = "--libdir=${base_libdir} --disable-lynx --enable-avahi"
>   
>   # suppress warning, but don't bother with autonamer
>