ltp-testsuite: add warning about bessel function support if uclibc toolchain

[Peter: Reword, add SV4_DEPRECATED, move to help text]
Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/ltp-testsuite/Config.in

@@ -1,3 +1,7 @@
+comment "ltp-testsuite needs specific uClibc options, see help"
+	depends on BR2_PACKAGE_LTP_TESTSUITE
+	depends on BR2_TOOLCHAIN_BUILDROOT || BR2_TOOLCHAIN_EXTERNAL_UCLIBC || BR2_TOOLCHAIN_CTNG_uClibc
+
 config BR2_PACKAGE_LTP_TESTSUITE
 	bool "ltp-testsuite"
 	depends on BR2_TOOLCHAIN_HAS_THREADS
@@ -7,8 +11,9 @@ config BR2_PACKAGE_LTP_TESTSUITE
 	  The LTP testsuite uses several functions that are considered
 	  obsolete, such as sigset() and others. Therefore, the LTP
 	  testsuite does not build with Buildroot's default uClibc
-	  configuration, and options such as
-	  UCLIBC_HAS_OBSOLETE_BSD_SIGNAL are needed.
+	  configuration, and options such as DO_XSI_MATH,
+	  UCLIBC_HAS_OBSOLETE_BSD_SIGNAL and UCLIBC_SV4_DEPRECATED
+	  are needed.
 
 	  http://ltp.sourceforge.net/