Fix Nuttx links.

julibert · ralph-lange · commit 11bc81baea55 · 2020-02-28T10:35:36.000+01:00
diff --git a/_docs/concepts/client_library/decision_paper/index.md b/_docs/concepts/client_library/decision_paper/index.md
@@ -134,7 +134,7 @@ Further links:
 
 ### Libcxx
 
-During early stages of NuttX support, eProsima did a small POC using libcxx support provided by NuttX. [http://nuttx.org/doku.php?id=wiki:nshhowtos:llvm-stdcxx](http://nuttx.org/doku.php?id=wiki:nshhowtos:llvm-stdcxx). The POC was done using the Assis branch of libcxx however some changes on the makefile were required to be able to compile NuttX.
+During early stages of NuttX support, eProsima did a small POC using libcxx support provided by NuttX. [LLVM libc++ for NuttX](https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=139629545). The POC was done using the Assis branch of libcxx however some changes on the makefile were required to be able to compile NuttX.
 
 Another options are stripped-down libstdc++ variants with reduced feature sets optimized for embedded applications:
 
diff --git a/_docs/concepts/rtos/index.md b/_docs/concepts/rtos/index.md
@@ -23,7 +23,7 @@ Unfortunately, these resources normally are not POSIX compliant, so the use of a
 
 <img align="left" width="125" height="125" src="https://upload.wikimedia.org/wikipedia/commons/b/b0/NuttX_logo.png">
 
-[NuttX](http://www.nuttx.org/) is a RTOS that emphasizes its compliance with standards (such us POSIX) and small footprint, it can be fit in 8 to 32 bit microcontrollers. The use of POSIX and ANSI standards, together with the mimic it does to UNIX APIs, makes it friendly to the developers that are used to Linux. The RTOS is licensed under BSD license and makes use of GNU toolchain. In order to obtain more information, please visit [NuttX overview page](http://nuttx.org/Documentation/NuttX.html#overview).
+[NuttX](http://www.nuttx.org/) is a RTOS that emphasizes its compliance with standards (such us POSIX) and small footprint, it can be fit in 8 to 32 bit microcontrollers. The use of POSIX and ANSI standards, together with the mimic it does to UNIX APIs, makes it friendly to the developers that are used to Linux. The RTOS is licensed under BSD license and makes use of GNU toolchain. In order to obtain more information, please visit [NuttX overview page](https://cwiki.apache.org/confluence/display/NUTTX/NuttX+Overview).
 
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