[Buildroot] [PATCH 2/6] docs/manual: indicate how to handle BR2_TOOLCHAIN_HAS_THREADS_NPTL

[Thomas Petazzoni]

Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
---
 docs/manual/adding-packages-directory.txt | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/docs/manual/adding-packages-directory.txt b/docs/manual/adding-packages-directory.txt
index 754a145..e1299c3 100644
--- a/docs/manual/adding-packages-directory.txt
+++ b/docs/manual/adding-packages-directory.txt
@@ -235,7 +235,13 @@ use in the comment.
 
 * thread support
 ** Dependency symbol: +BR2_TOOLCHAIN_HAS_THREADS+
-** Comment string: +threads+
+** Comment string: +threads+ (unless +BR2_TOOLCHAIN_HAS_THREADS_NPTL+
+   is also needed, in which case, specifying only +NPTL threads+ is
+   sufficient)
+
+* NPTL thread support
+** Dependency symbol: +BR2_TOOLCHAIN_HAS_THREADS_NPTL+
+** Comment string: +NPTL threads+
 
 * RPC support
 ** Dependency symbol: +BR2_TOOLCHAIN_HAS_NATIVE_RPC+
-- 
1.8.3.2