Does anybody know why two "-g" flags appear in the call to gcc in R CMD 
SHLIB

Example:

gcc -std=gnu99 -I/usr/share/R/include -DNDEBUG -fpic *-g* -O2 
-fstack-protector --param=ssp-buffer-size=4 -Wformat 
-Werror=format-security -D_FORTIFY_SOURCE=2 *-g*  -c c_file1.c -o 
c_object1.o

Surely it need only be listed once?

Alan

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