Differences

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--- r-software [2019/08/08 20:01] – aorth
+++ r-software [2019/10/27 14:02] – aorth
@@ Line 6: / Line 6: @@
   * Version: 3.6 (3.6.1)
   * Added: February, 2015
-  * Updated: August, 2019
+  * Updated: October, 2019
   * Link: https://www.r-project.org/
@@ Line 18: / Line 18: @@
 $ R</code>
-Here is a good resource on [[https://www.osc.edu/resources/getting_started/howto/howto_install_local_r_packages|installing R packages into user libraries]].
+Use ''installed.packages()'' to check the list of packages installed in the ILRI environment by default. Here is a good resource on [[https://www.osc.edu/resources/getting_started/howto/howto_install_local_r_packages|installing R packages into user libraries]] if you need other packages.
 ===== Installation ======
@@ Line 34: / Line 34: @@
 $ sudo yum install devtoolset-7-gcc devtoolset-7-gcc-gfortran devtoolset-7-libquadmath-devel devtoolset-7-gcc-c++
 $ scl enable devtoolset-7 bash
+# R packages are written in C99 and GCC 7 uses a newer standard by default, so tell configure script to use C99 explicitly
+$ export CFLAGS='-std=gnu99  -g -O2'
 $ ./configure --enable-R-shlib --prefix=/export/apps/R/3.6
 $ make -j4
 $ sudo mkdir -p /export/apps/R/3.6
-$ sudo chown aorth /export/apps/R/3.6
+$ sudo chown aorth:aorth /export/apps/R/3.6
 $ make install</code>
-Then install some common libraries used by our users (to save space and time):
+Then install some common libraries used by our users (to save space, overhead from tens of thousands of header and library files, and users's time):