linux { GSL_BASE_PATH = "/usr/" GSL_INC_PATH = "$${GSL_BASE_PATH}include/gsl" GSL_LIBS_PATH = "$${GSL_BASE_PATH}lib/x86_64-linux-gnu" } win32 { GSL_BASE_PATH = "$${VCPKG_PATH}/" GSL_INC_PATH = "$${GSL_BASE_PATH}include" CONFIG(debug, debug|release) { GSL_LIBS_PATH = "$${GSL_BASE_PATH}debug/lib" GSL_BIN_PATH = "$${GSL_BASE_PATH}debug/bin" } else { GSL_LIBS_PATH = "$${GSL_BASE_PATH}lib" GSL_BIN_PATH = "$${GSL_BASE_PATH}bin" } } macx { GSL_BASE_PATH = "/usr/local/Cellar/gsl/2.7.1/" GSL_INC_PATH = "$${GSL_BASE_PATH}include" GSL_LIBS_PATH = "$${GSL_BASE_PATH}lib" }