wvstreams,wvdial: Mark incompatible for musl

wvstreams needs porting work to get it fully functional on musl, wvdial
depends on it so that needs to be disabled as well for musl.

Add it to meta-oe packagegroup only when using glibc

Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-connectivity/wvdial/wvdial_1.61.bb

@@ -16,6 +16,7 @@ SRC_URI = "http://${BPN}.googlecode.com/files/${BP}.tar.bz2 \
 SRC_URI[md5sum] = "37e9a2d664effe4efd44c0e1a20136de"
 SRC_URI[sha256sum] = "99906d9560cbdbc97e1855e7b0a7169f1e11983be3ac539140423f09debced82"
 
+COMPATIBLE_HOST_libc-musl = "null"
 EXTRA_OEMAKE = ""
 export WVLINK="${LD}"
 

meta-oe/recipes-connectivity/wvdial/wvstreams/0002-wvtask-Dont-use-ucontext-on-non-glibc-systems.patch

@@ -1,135 +0,0 @@
-From 0e054339c1422168a7f4a9dcf090268053a33b1f Mon Sep 17 00:00:00 2001
-From: Khem Raj <raj.khem@gmail.com>
-Date: Thu, 20 Jul 2017 21:05:37 -0700
-Subject: [PATCH 2/5] wvtask: Dont use ucontext on non-glibc systems
-
-Signed-off-by: Khem Raj <raj.khem@gmail.com>
----
- utils/wvtask.cc | 24 ++++++++++++++++++++++++
- 1 file changed, 24 insertions(+)
-
-diff --git a/utils/wvtask.cc b/utils/wvtask.cc
-index cdcd544..c0bff7d 100644
---- a/utils/wvtask.cc
-+++ b/utils/wvtask.cc
-@@ -199,7 +199,9 @@ WvTaskMan::WvTaskMan()
-     stacktop = (char *)alloca(0);
-     
-     context_return = 0;
-+#ifdef __GLIBC__
-     assert(getcontext(&get_stack_return) == 0);
-+#endif
-     if (context_return == 0)
-     {
- 	// initial setup - start the stackmaster() task (never returns!)
-@@ -265,13 +267,17 @@ int WvTaskMan::run(WvTask &task, int val)
- 	state = &old_task->mystate;
-     
-     context_return = 0;
-+#ifdef __GLIBC__
-     assert(getcontext(state) == 0);
-+#endif
-     int newval = context_return;
-     if (newval == 0)
-     {
- 	// saved the state, now run the task.
-         context_return = val;
-+#ifdef __GLIBC__
-         setcontext(&task.mystate);
-+#endif
-         return -1;
-     }
-     else
-@@ -319,13 +325,17 @@ int WvTaskMan::yield(int val)
- #endif
- 		
-     context_return = 0;
-+#ifdef __GLIBC__
-     assert(getcontext(&current_task->mystate) == 0);
-+#endif
-     int newval = context_return;
-     if (newval == 0)
-     {
- 	// saved the task state; now yield to the toplevel.
-         context_return = val;
-+#ifdef __GLIBC__
-         setcontext(&toplevel);
-+#endif
-         return -1;
-     }
-     else
-@@ -341,7 +351,9 @@ int WvTaskMan::yield(int val)
- void WvTaskMan::get_stack(WvTask &task, size_t size)
- {
-     context_return = 0;
-+#ifdef __GLIBC__
-     assert(getcontext(&get_stack_return) == 0);
-+#endif
-     if (context_return == 0)
-     {
- 	assert(magic_number == -WVTASK_MAGIC);
-@@ -371,7 +383,9 @@ void WvTaskMan::get_stack(WvTask &task, size_t size)
- 	// initial setup
- 	stack_target = &task;
- 	context_return = size/1024 + (size%1024 > 0);
-+#ifdef __GLIBC__
- 	setcontext(&stackmaster_task);
-+#endif
-     }
-     else
-     {
-@@ -409,7 +423,9 @@ void WvTaskMan::_stackmaster()
- 	assert(magic_number == -WVTASK_MAGIC);
- 	
-         context_return = 0;
-+#ifdef __GLIBC__
-         assert(getcontext(&stackmaster_task) == 0);
-+#endif
-         val = context_return;
- 	if (val == 0)
- 	{
-@@ -419,7 +435,9 @@ void WvTaskMan::_stackmaster()
- 	    // all current stack allocations) and go back to get_stack
- 	    // (or the constructor, if that's what called us)
-             context_return = 1;
-+#ifdef __GLIBC__
-             setcontext(&get_stack_return);
-+#endif
- 	}
- 	else
- 	{
-@@ -474,7 +492,9 @@ void WvTaskMan::do_task()
- 	
-     // back here from longjmp; someone wants stack space.    
-     context_return = 0;
-+#ifdef __GLIBC__
-     assert(getcontext(&task->mystate) == 0);
-+#endif
-     if (context_return == 0)
-     {
- 	// done the setjmp; that means the target task now has
-@@ -510,7 +530,9 @@ void WvTaskMan::do_task()
-                 }
-                 else
-                 {
-+#ifdef __GLIBC__
-                     assert(getcontext(&task->func_call) == 0);
-+#endif
-                     task->func_call.uc_stack.ss_size = task->stacksize;
-                     task->func_call.uc_stack.ss_sp = task->stack;
-                     task->func_call.uc_stack.ss_flags = 0;
-@@ -521,9 +543,11 @@ void WvTaskMan::do_task()
-                             (void (*)(void))call_func, 1, task);
- 
-                     context_return = 0;
-+#ifdef __GLIBC__
-                     assert(getcontext(&task->func_return) == 0);
-                     if (context_return == 0)
-                         setcontext(&task->func_call);
-+#endif
-                 }
- 		
- 		// the task's function terminated.
--- 
-2.13.3
-

meta-oe/recipes-connectivity/wvdial/wvstreams_4.6.1.bb

@@ -15,7 +15,6 @@ SRC_URI = "http://${BPN}.googlecode.com/files/${BP}.tar.gz \
            file://gcc-6.patch \
            file://argp.patch \
            file://0001-Check-for-limits.h-during-configure.patch \
-           file://0002-wvtask-Dont-use-ucontext-on-non-glibc-systems.patch \
            file://0003-wvtask-Check-for-HAVE_LIBC_STACK_END-only-on-glibc-s.patch \
            file://0004-wvcrash-Replace-use-of-basename-API.patch \
            file://0005-check-for-libexecinfo-during-configure.patch \
@@ -28,6 +27,8 @@ SRC_URI = "http://${BPN}.googlecode.com/files/${BP}.tar.gz \
 SRC_URI[md5sum] = "2760dac31a43d452a19a3147bfde571c"
 SRC_URI[sha256sum] = "8403f5fbf83aa9ac0c6ce15d97fd85607488152aa84e007b7d0621b8ebc07633"
 
+COMPATIBLE_HOST_libc-musl = "null"
+
 inherit autotools-brokensep pkgconfig
 
 TARGET_CFLAGS_append = " -fno-tree-dce -fno-optimize-sibling-calls"

meta-oe/recipes-core/packagegroups/packagegroup-meta-oe.bb

@@ -66,11 +66,12 @@ RDEPENDS_packagegroup-meta-oe-connectivity ="\
     modemmanager mosh  \
     paho-mqtt-c phonet-utils rabbitmq-c rfkill rtorrent \
     ser2net smstools3 telepathy-glib telepathy-idle thrift \
-    usbmuxd wvstreams zabbix zeromq \
+    usbmuxd zabbix zeromq \
     ${@bb.utils.contains("DISTRO_FEATURES", "x11", "obex-data-server", "", d)} \
     libmikmod \
-    obexftp openobex libnet wvdial \
+    obexftp openobex libnet \
     "
+RDEPENDS_packagegroup-meta-oe-connectivity_append_libc-glibc = " wvstreams wvdial"
 
 # dracut needs dracut
 RDEPENDS_packagegroup-meta-oe-core ="\