===================================================================
RCS file: /home/cvs/OpenXM/src/R/r-packages/note.txt,v
retrieving revision 1.9
retrieving revision 1.13
diff -u -p -r1.9 -r1.13
--- OpenXM/src/R/r-packages/note.txt	2017/03/22 00:42:56	1.9
+++ OpenXM/src/R/r-packages/note.txt	2022/04/07 00:56:44	1.13
@@ -1,7 +1,22 @@
-$OpenXM: OpenXM/src/R/r-packages/note.txt,v 1.8 2016/10/30 01:10:18 takayama Exp $
+$OpenXM: OpenXM/src/R/r-packages/note.txt,v 1.12 2022/04/06 01:03:42 takayama Exp $
 
 See also OpenXM/src/hgm/note.txt
 
+* R package build, reference pages.
+https://cran.r-project.org/bin/macosx/tools/
+* Example
+  Edit files in src/hgm
+  cd R/r-packages
+  make rsync
+  R CMD INSTALL hgm
+  Start R and library(hgm)
+  hgm.ncso3()
+
+  ??hgm
+  ?hgm.ncorthant
+
+  remove.packages('hgm')   
+
 * C source codes.
  C sources and headers should be developed and edited in the directory
  OpenXM/src/hgm in order to provide a standalone mode without R
@@ -99,4 +114,23 @@ http://kbroman.org/pkg_primer/pages/cran.html
 
 R CMD check hgm --as-cran
 
+
+;;
+2020.02.06  Installing r-devel
+ apt-get install subversion ccache
+ apt-get install xorg-dev
+ apt-get install libcurl4-openssl-dev
+ apt install libpcre2-dev    (2022.04.06  this22/R orange3m)
+ pushd ~/this19/R  (for example)
+ svn co https://svn.r-project.org/R/trunk r-devel/R
+ cd r-devel/R   and follow the INSTALL
+ ./configure --without-recommended-packages  --prefix ~/this19/R
+ make
+ export PATH=~/this19/R/r-devel/R/bin:$PATH
+ -->  export PATH=~/this22/R/r-devel/R/bin:$PATH   on orange3m (2022.04.06)
+
+
+Valgrid can be used by
+   valgrind ./a.out
+A sample:  main() { int n;  if (n>0) n=0; }