# TODO (global build flags)
# These definitions and compile options are
# set globally for convenience.
# Perhaps we should apply them only as needed on a
# per-target basis, and propagate them via the interface?
add_definitions(-DNEEDS_F77_TRANSLATION -DF77EXTERNS_LOWERCASE_TRAILINGBAR)
add_compile_options(
    $<$<COMPILE_LANGUAGE:Fortran>:-ffixed-line-length-none>
    $<$<COMPILE_LANGUAGE:Fortran>:-fno-range-check>
    $<$<COMPILE_LANGUAGE:Fortran>:-fno-second-underscore>)

# Set up build flags for C++ and Fortran.
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED y)
set(CMAKE_CXX_EXTENSIONS n)

include(GNUInstallDirs)

# add automatically determined parts of the RPATH, which point to directories
# outside of the build tree, to the install RPATH
set(CMAKE_INSTALL_RPATH_USE_LINK_PATH ON)

# the RPATH to be used when installing, but only if it's not a system directory
set(abs_libdir ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR})
list(FIND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES ${abs_libdir} isSystemDir)
if("${isSystemDir}" STREQUAL "-1")
    list(APPEND CMAKE_INSTALL_RPATH ${abs_libdir})
endif()