Document in README.source some Debian/Ubuntu specific changes

debian/README.source

@@ -1,5 +1,34 @@
+All programs and libraries shipped in this package are trying to stay as close
+as possible from upstream.
 
-Repack of the snapshot release are done with orig-tar.sh which will checkout the sources.
+However, because of the objectives of Debian, besides paths, some changes are
+made.
 
- -- Sylvestre Ledru <sylvestre@debian.org>, Tue, 26 Feb 2013 14:57:56 +0100
+= File names =
+
+* To make sure that most of the llvm-toolchain packages are co-installable,
+files are installed in /usr/lib/llvm-X/
+and symlinks are managed by the other package llvm-defaults
+
+
+= CPU extensions =
+
+* For x86, SSE2 extensions are disabled (and the target CPU is i686 instead of
+  pentium4.
+
+* For armel, uses float ABI instead of hard.
+
+* For armv7-a, NEON extensions are disabled.
+
+* For mips, FPXX is enabled.
+
+
+= Libraries =
+
+* sonames are created
+
+* Build-ID are enabled
+
+
+ -- Sylvestre Ledru <sylvestre@debian.org>, Wed, 26 Dec 2018 22:56:30 +0100
 

debian/changelog

@@ -6,8 +6,9 @@ llvm-toolchain-7 (1:7.0.1-3) unstable; urgency=medium
     (Closes: #917209)
   * Change the jit debug path from $HOME/.debug/jit/ to
     $TMPDIR/.debug/jit/ (Closes: #916393)
+  * Document in README.source some Debian/Ubuntu specific changes
 
- -- Sylvestre Ledru <sylvestre@debian.org>  Wed, 26 Dec 2018 12:24:01 +0100
+ -- Sylvestre Ledru <sylvestre@debian.org>  Wed, 26 Dec 2018 22:57:45 +0100
 
 llvm-toolchain-7 (1:7.0.1-2) unstable; urgency=medium