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docs/manual: add appendix about $(HOST_DIR)/usr

Reported-by: Adam Duskett <aduskett@gmail.com>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Adam Duskett <aduskett@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Yann E. MORIN 6 роки тому
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  1. 12 0
      docs/manual/migrating.txt

+ 12 - 0
docs/manual/migrating.txt

@@ -44,3 +44,15 @@ Now, your br2-external tree can be used with Buildroot 2016.11 onward.
 .Note:
 This change makes your br2-external tree incompatible with Buildroot
 before 2016.11.
+
+[[migrating-host-usr]]
+=== Migrating to 2017.08
+
+Before Buildroot 2017.08, host packages were installed in +$(HOST_DIR)/usr+
+(with e.g. the autotools' +--prefix=$(HOST_DIR)/usr+). With Buildroot
+2017.08, they are now installed directly in +$(HOST_DIR)+.
+
+Whenever a package installs an executable that is linked with a library
+in +$(HOST_DIR)/lib+, it must have an RPATH pointing to that directory.
+
+An RPATH pointing to +$(HOST_DIR)/usr/lib+ is no longer accepted.