Add _GNU_SOURCE=1 to find clone() with PGI
tree1265dff4c68427d88e3d9b944bdfca3bf2d330e4
-rw-r--r-- 1902 .gitattributes
-rw-r--r-- 106 .gitignore
-rw-r--r-- 229 AUTHORS
-rw-r--r-- 40495 CMakeLists.txt
-rw-r--r-- 62796 COPYING
-rw-r--r-- 3077 CPackInit.cmake
-rw-r--r-- 1996 CTestConfig.cmake
-rw-r--r-- 3708 README
drwxr-xr-x - admin
drwxr-xr-x - cmake
drwxr-xr-x - doxygen
drwxr-xr-x - install-guide
drwxr-xr-x - manual
drwxr-xr-x - scripts
drwxr-xr-x - share
drwxr-xr-x - src
drwxr-xr-x - tests