package/lirc-tools: not available on musl

GLOB_BRACE is not supported by the musl libc:
http://www.openwall.com/lists/musl/2013/09/16/1

Upstream correctly rejected the hack proposed by me:
http://patchwork.ozlabs.org/patch/576188/
http://sourceforge.net/p/lirc/tickets/174/#b087

Fixes
http://autobuild.buildroot.net/results/603/603c4426c47220808305a416f3d60fec2d8c02a3/
http://autobuild.buildroot.net/results/c08/c08abddeb5f0d0d1adec63ab4390562e3cfe1087/

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/lirc-tools/Config.in

@@ -2,6 +2,7 @@ config BR2_PACKAGE_LIRC_TOOLS
 	bool "lirc-tools"
 	depends on BR2_USE_MMU # fork()
 	depends on BR2_TOOLCHAIN_HAS_THREADS
+	depends on !BR2_TOOLCHAIN_USES_MUSL # GLOB_BRACE
 	# dlopen()
 	depends on !BR2_STATIC_LIBS
 	help
@@ -17,6 +18,7 @@ config BR2_PACKAGE_LIRC_TOOLS
 
 	  http://www.lirc.org/
 
-comment "lirc-tools needs a toolchain w/ threads, dynamic library"
+comment "lirc-tools needs a uClibc or (e)glibc toolchain w/ threads, dynamic library"
 	depends on BR2_USE_MMU
-	depends on !BR2_TOOLCHAIN_HAS_THREADS || BR2_STATIC_LIBS
+	depends on !BR2_TOOLCHAIN_HAS_THREADS || BR2_STATIC_LIBS \
+		|| BR2_TOOLCHAIN_USES_MUSL