Differences

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--- r-software [2019/08/08 20:01] – aorth
+++ r-software [2019/10/27 13:45] – 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 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):