unix { GSL_BASE_PATH = "/usr/" GSL_INC_PATH = "$${GSL_BASE_PATH}include/gsl" GSL_LIBS_PATH = "$${GSL_BASE_PATH}lib/x86_64-linux-gnu" } windows { GSL_BASE_PATH = "$$PWD/../Computree_dependencies/libgsl-2.1/" GSL_INC_PATH = "$${GSL_BASE_PATH}include" GSL_LIBS_PATH = "$${GSL_BASE_PATH}lib/x64" }