set(LIBXC_C_SOURCES
	special_functions.c bessel.c
	expint_e1.c integrate.c
	util.c mix_func.c
	func_info.c functionals.c
	version.c func_reference.c
	references.c lda.c lda_x.c
	lda_x_1d.c lda_x_2d.c
	lda_c_wigner.c lda_c_gombas.c
	lda_c_rpa.c lda_c_hl.c
	lda_c_vwn.c lda_c_vwn_1.c
	lda_c_vwn_2.c lda_c_vwn_3.c
	lda_c_vwn_4.c lda_c_vwn_rpa.c
	lda_c_pz.c lda_c_pw.c
	lda_c_lp96.c
	lda_c_ml1.c lda_c_rc04.c
	lda_xc_teter93.c lda_c_1d_csc.c
	lda_c_1d_loos.c lda_c_2d_amgb.c
	lda_c_2d_prm.c lda_k_tf.c
	lda_xc_zlp.c lda_xc_ksdt.c
	lda_c_chachiyo.c lda_xc_1d_ehwlrg.c
	lda_x_rel.c lda_x_erf.c
	lda_k_zlp.c lda_c_gk72.c
	gga.c gga_x_lg93.c
	gga_x_pbe.c gga_x_rpbe.c
	gga_x_pbea.c gga_x_mpbe.c
	gga_x_herman.c gga_x_b86.c
	gga_x_b88.c gga_x_g96.c
	gga_x_pw86.c gga_x_pw91.c
	gga_x_optx.c gga_x_airy.c
	gga_x_c09x.c gga_x_dk87.c
	gga_x_ft97.c gga_x_wc.c
	gga_x_am05.c gga_x_bayesian.c
	gga_x_kt.c gga_x_htbs.c
	gga_c_pbe.c gga_c_lyp.c
	gga_c_p86.c gga_c_pw91.c
	gga_c_am05.c gga_c_lm.c
	gga_c_wl.c gga_c_wi.c
	gga_x_lb.c gga_xc_b97.c
	gga_xc_edf1.c gga_xc_1w.c
	gga_c_optc.c gga_c_tca.c
	gga_x_bpccac.c gga_x_sogga11.c
	gga_c_sogga11.c gga_xc_th1.c
	gga_x_wpbeh.c gga_x_hjs.c
	gga_x_ityh.c gga_x_sfat.c
	gga_x_ev93.c gga_x_ak13.c
	gga_x_q2d.c gga_c_q2d.c
	gga_x_ssb_sw.c gga_c_ft97.c
	gga_x_n12.c gga_x_lv_rpw86.c
	gga_x_2d_b86.c gga_x_2d_b86_mgc.c
	gga_x_2d_b88.c gga_x_2d_pbe.c
	gga_k_tflw.c gga_k_pearson.c
	gga_k_ol1.c gga_k_ol2.c
	gga_k_dk.c gga_k_meyer.c
	gga_x_vmt.c gga_x_hcth_a.c
	gga_x_cap.c gga_x_beefvdw.c
	gga_x_sg4.c gga_x_gg99.c
	gga_x_pbepow.c gga_x_lag.c
	gga_k_thakkar.c gga_xc_oblyp_d.c
	hyb_gga_xc_b3lyp.c hyb_gga_xc_o3lyp.c
	gga_x_pbeint.c gga_x_rge2.c
	gga_x_vmt84.c gga_x_hjs_b88_v2.c
	gga_c_revtca.c gga_c_bcgp.c
	gga_c_zpbeint.c gga_c_pbeloc.c
	gga_c_sg4.c gga_c_regtpss.c
	gga_c_scan_e0.c gga_xc_th2.c
	gga_xc_th3.c gga_c_hcth_a.c
	hyb_gga_xc_wb97.c gga_c_bmk.c
	gga_c_gapc.c gga_c_gaploc.c
	gga_c_zvpbeint.c gga_c_w94.c
	gga_c_cs1.c gga_c_op_xalpha.c
	gga_c_op_b88.c gga_c_op_pbe.c
	gga_c_op_g96.c gga_c_op_pw91.c
	gga_x_pbetrans.c gga_x_chachiyo.c
	gga_k_exp4.c hyb_gga_xc_pbeh.c
	hyb_gga_xc_b1wc.c hyb_gga_xc_hse.c
	hyb_gga_xc_cam_b3lyp.c
	hyb_gga_xc_camy_blyp.c
	hyb_gga_xc_camy_b3lyp.c hyb_gga_xc_lcy_pbe.c
	hyb_gga_xc_lcy_blyp.c gga_xc_vv10.c
	hyb_gga_xc_edf2.c mgga.c
	mgga_x_lta.c mgga_x_tpss.c
	mgga_x_br89.c mgga_x_gvt4.c
	mgga_x_m06l.c mgga_x_tau_hcth.c
	mgga_x_2d_prhg07.c mgga_x_pkzb.c
	hyb_mgga_x_m05.c mgga_x_m08.c
	mgga_x_ms.c mgga_x_mn12.c
	mgga_x_mk00.c mgga_c_vsxc.c
	mgga_c_pkzb.c mgga_c_bc95.c
	mgga_c_m08.c mgga_xc_cc06.c
	mgga_c_cs.c mgga_xc_otpss_d.c
	mgga_xc_zlp.c hyb_mgga_xc_b88b95.c
	mgga_x_mbeef.c mgga_xc_b97mv.c
	mgga_x_scan.c mgga_c_scan.c
	hyb_mgga_xc_tpssh.c mgga_x_mvs.c
	hyb_mgga_x_mvsh.c mgga_x_tm.c
	mgga_x_vt84.c mgga_x_sa_tpss.c
	mgga_k_pc07.c mgga_x_mbeefvdw.c
	mgga_x_m11.c mgga_x_m11_l.c
	hyb_mgga_xc_wb97mv.c mgga_c_m05.c
	mgga_c_m06l.c hyb_mgga_x_dldf.c
	mgga_c_tpss.c mgga_c_revtpss.c
	mgga_c_tpssloc.c mgga_xc_hle17.c
	mgga_c_kcis.c mgga_xc_lp90.c
	hyb_mgga_xc_kcis.c mgga_c_b88.c
	mgga_x_gx.c mgga_x_pbe_gx.c
	mgga_c_revscan.c mgga_x_br89_explicit.c
	mgga_xc_b98.c xc_f.c)

set(LIBXC_FORTRAN_SOURCES
	libxc_funcs.f90
	libxc.f90)

if(CUDA)
	set(LIBXC_GPU_SOURCES gpu.c ../gpu/cuda/gpu_utils.cu)
elseif(HIP)
	set(LIBXC_GPU_SOURCES gpu.c ../gpu/hip/gpu_utils.cu)
endif()

# -------------------------------------------------------------
# enable optimization
set_property(SOURCE ${LIBXC_C_SOURCES} PROPERTY COMPILE_OPTIONS ${OPT_CFLAGS})
set_property(SOURCE ${LIBXC_FORTRAN_SOURCES} PROPERTY COMPILE_OPTIONS ${OPT_FFLAGS})

# -------------------------------------------------------------
# Generate fortran mangling header
include(FortranCInterface)
FortranCInterface_HEADER(${CMAKE_CURRENT_BINARY_DIR}/xc-fortran-mangling.h)

# -------------------------------------------------------------
# create libraries

add_library(xc STATIC ${LIBXC_C_SOURCES} ${LIBXC_FORTRAN_SOURCES})
set_target_properties(xc PROPERTIES POSITION_INDEPENDENT_CODE TRUE)
target_include_directories(xc PUBLIC . ${CMAKE_CURRENT_BINARY_DIR})
target_compile_definitions(xc PUBLIC USE_CMAKE_MANGLING)
if(INSIDE_AMBER)
    target_link_libraries(xc libcew)
endif()
config_module_dirs(xc libxc/serial)

# supress maybe uninitialized warnings
if("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU")
	target_compile_options(xc PRIVATE -Wno-maybe-uninitialized)
endif()

if(CUDA OR HIP)
	# note: this is not a GPU implementation of libxc, it's just
	# configured to call one.
	copy_target(xc xc_gpu SWAP_SOURCES TO ${LIBXC_GPU_SOURCES})
	if(MPI)
		target_compile_definitions(xc_gpu PRIVATE GPU ${QUICK_GPU_PLATFORM})
        else()
		target_compile_definitions(xc_gpu PRIVATE MPIV_GPU ${QUICK_GPU_PLATFORM}_MPIV)
	endif()

	if(INSIDE_AMBER)
		target_link_libraries(xc_gpu libcew)
	endif()
	config_module_dirs(xc_gpu libxc/gpu)

	# build gpu code
	add_subdirectory(maple2c_device)
endif()