path: root/user
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authorMarçal Comajoan Cara <>2018-11-14 17:01:14 +0100
committerJoel Sherrill <>2018-11-16 10:42:41 -0600
commitb2a7a5ddbe4af1ed43e5e4ffea027d40e44fd26c (patch)
tree6ffe174f83e13f68cdfb51f3cb51b826870207ff /user
parentc-user: Update type deprecation (diff)
user: add a warning not to use special characters in pathnames
Spaces and other specical characters in pathnames break builds of any software packages using GNU make. All of the GNU tools and RTEMS use make and this breaks builds. This is a long standing known issue with GNU make, which can't handle spaces in pathnames: This work was part of GCI 2018. Probably closes #3450.
Diffstat (limited to 'user')
1 files changed, 7 insertions, 0 deletions
diff --git a/user/hosts/os.rst b/user/hosts/os.rst
index 82ff4de..d9fe943 100644
--- a/user/hosts/os.rst
+++ b/user/hosts/os.rst
@@ -63,6 +63,13 @@ proven over the years to be difficult to manage in production systems.
means it is searched first and the RTEMS needed versions of the tools are
+.. warning::
+ Do not put spaces or special characters in the directories you use to build
+ RTEMS. Many of the packages built by the RSB use GNU *make*, which cannot
+ handle spaces in pathnames. If there is a space in the pathname the build
+ will fail. Special characters are also likely to confuse build systems.
.. note::
RSB and RTEMS have a matching *git branch* for each version of RTEMS. For