uclibc support for rng-tools

Uclibc has its own argp implemented as libuargp. So, we add a new
option --enable-uclibc to select it.

(From OE-Core rev: 0bbbc0b377e4fd9a788f5aa7688afa5516e263dd)

Signed-off-by: Maxin B. John <maxin.john@intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 66 insertions, 1 deletions

diff --git a/meta/recipes-support/rng-tools/rng-tools/uclibc-libuargp-configure.patch b/meta/recipes-support/rng-tools/rng-tools/uclibc-libuargp-configure.patch
new file mode 100644
index 0000000000..e691315d16
--- /dev/null
+++ b/meta/recipes-support/rng-tools/rng-tools/uclibc-libuargp-configure.patch
@@ -0,0 +1,63 @@
+In case of uclibc, use libuargp
+
+If we use uclibc for system libraries, select libuargp
+
+Upstream-Status: Pending
+
+Signed-off-by: Maxin B. John <maxin.john@intel.com>
+---
+diff -Naur rng-tools-5-orig/configure.ac rng-tools-5/configure.ac
+--- rng-tools-5-orig/configure.ac       2016-02-24 18:11:24.023690235 +0200
++++ rng-tools-5/configure.ac    2016-02-24 18:14:49.763118138 +0200
+@@ -39,6 +39,13 @@
+        [with_libargp=check]
+ )
+ 
++AC_ARG_ENABLE([uclibc],
++    AS_HELP_STRING([--enable-uclibc], [Use uclibc for system libraries]),
++        use_uclibc=yes, use_uclibc=no)
++AM_CONDITIONAL(USE_UCLIBC, test "x$use_uclibc" = "xyes")
++AS_IF([test "x$use_uclibc" = "xyes"], [AC_DEFINE(USE_UCLIBC)])
++AH_TEMPLATE([USE_UCLIBC], [Defined if uclibc libraries are used.])
++
+ dnl Make sure anyone changing configure.ac/Makefile.am has a clue
+ AM_MAINTAINER_MODE
+ 
+@@ -101,7 +108,7 @@
+                        [need_libargp=no],
+                        [need_libargp=yes
+                         if test "x$with_libargp" = "xno"; then
+-                               AC_MSG_FAILURE([libargp disabled and libc does not have argp])
++                               AC_MSG_WARN([libargp disabled and libc does not have argp])
+                         fi]
+                )
+        ],
+@@ -110,7 +117,7 @@
+ 
+ dnl Check for libargp
+ AS_IF(
+-       [test "x$need_libargp" = "xyes"],
++       [test "x$need_libargp" = "xyes" -a "x$use_uclibc" = "xno"],
+        [
+                AC_CHECK_LIB(
+                        [argp],
+@@ -120,6 +127,19 @@
+                )
+        ]
+ )
++
++dnl Check for libuargp
++AS_IF(
++       [test "x$use_uclibc" = "xyes"],
++       [
++               AC_CHECK_LIB(
++                       [uargp],
++                       [argp_parse],
++                       [LIBS="$LIBS -luargp"],
++                       [AC_MSG_FAILURE([libuargp not found])]
++               )
++       ]
++)
+ 
+ dnl -----------------
+ dnl Configure options
diff --git a/meta/recipes-support/rng-tools/rng-tools_5.bb b/meta/recipes-support/rng-tools/rng-tools_5.bb
index bc679904eb..53d2d6165e 100644
--- a/meta/recipes-support/rng-tools/rng-tools_5.bb
+++ b/meta/recipes-support/rng-tools/rng-tools_5.bb
@@ -6,6 +6,7 @@ SRC_URI = "http://heanet.dl.sourceforge.net/sourceforge/gkernel/${BP}.tar.gz \
            file://0001-If-the-libc-is-lacking-argp-use-libargp.patch \
            file://0002-Add-argument-to-control-the-libargp-dependency.patch \
            file://underquote.patch \
+           file://uclibc-libuargp-configure.patch \
            file://init \
            file://default"
 
@@ -23,8 +24,9 @@ inherit autotools update-rc.d
 
 PACKAGECONFIG = "libgcrypt"
 PACKAGECONFIG_libc-musl = "libargp"
-PACKAGECONFIG_libc-uclibc = "libargp"
+PACKAGECONFIG_libc-uclibc = "libuargp"
 PACKAGECONFIG[libargp] = "--with-libargp,--without-libargp,argp-standalone,"
+PACKAGECONFIG[libuargp] = "--enable-uclibc,,,"
 PACKAGECONFIG[libgcrypt] = "--with-libgcrypt,--without-libgcrypt,libgcrypt,"
 
 do_install_append() {