/Users/cezar/brlcad/src/librt/primitives/arb8/arb8.c:144:22: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "V1", bu_offsetof(struct rt_arb_internal, pt[0][X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/dsp/dsp.c:259:28: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    {"%f",     16, "stom", DSP_AO(dsp_stom), hook_mtos_from_stom, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/dsp/dsp.c:270:28: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    {"%f",     16, "stom", DSP_AO(dsp_stom), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/dsp/dsp.c:4742:24: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    {"%f", 16, "stom", DSP_AO(dsp_stom), hook_verify, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/ebm/ebm.c:66:37: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    {"%s",      RT_EBM_NAME_LEN, "file", bu_offsetofarray(struct rt_ebm_internal, file), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/ebm/ebm.c:70:23: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    {"%f",      16, "mat", bu_offsetofarray(struct rt_ebm_internal, mat), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/ehy/ehy.c:179:23: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "V",   bu_offsetof(struct rt_ehy_internal, ehy_V[X]),  BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/ehy/ehy.c:180:23: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "H",   bu_offsetof(struct rt_ehy_internal, ehy_H[X]),  BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/ehy/ehy.c:181:23: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "A",   bu_offsetof(struct rt_ehy_internal, ehy_Au[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/ell/ell.c:50:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "V", bu_offsetof(struct rt_ell_internal, v[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/ell/ell.c:51:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "A", bu_offsetof(struct rt_ell_internal, a[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/ell/ell.c:52:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "B", bu_offsetof(struct rt_ell_internal, b[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/ell/ell.c:53:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "C", bu_offsetof(struct rt_ell_internal, c[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/epa/epa.c:179:23: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "V",   bu_offsetof(struct rt_epa_internal, epa_V[X]),  BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/epa/epa.c:180:23: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "H",   bu_offsetof(struct rt_epa_internal, epa_H[X]),  BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/epa/epa.c:181:23: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "A",   bu_offsetof(struct rt_epa_internal, epa_Au[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/eto/eto.c:145:23: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "V",   bu_offsetof(struct rt_eto_internal, eto_V[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/eto/eto.c:146:23: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "N",   bu_offsetof(struct rt_eto_internal, eto_N[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/eto/eto.c:147:23: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "C",   bu_offsetof(struct rt_eto_internal, eto_C[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/grip/grip.c:61:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "V", bu_offsetof(struct rt_grip_internal, center[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/grip/grip.c:62:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "N", bu_offsetof(struct rt_grip_internal, normal[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/half/half.c:64:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "N", bu_offsetof(struct rt_half_internal, eqn[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/half/half.c:65:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 1, "d", bu_offsetof(struct rt_half_internal, eqn[W]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/hf/hf.c:67:26: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    {"%s",      128,    "cfile",        bu_offsetofarray(struct rt_hf_internal, cfile), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL},

/Users/cezar/brlcad/src/librt/primitives/hf/hf.c:68:26: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    {"%s",      128,    "dfile",        bu_offsetofarray(struct rt_hf_internal, dfile), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL},

/Users/cezar/brlcad/src/librt/primitives/hf/hf.c:69:23: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    {"%s",      8,      "fmt",          bu_offsetofarray(struct rt_hf_internal, fmt), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL},
J
/Users/cezar/brlcad/src/librt/primitives/hf/hf.c:74:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    {"%f",      3,      "v",            HF_O(v[0]),             BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/hf/hf.c:75:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    {"%f",      3,      "x",            HF_O(x[0]),             BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/hf/hf.c:76:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    {"%f",      3,      "y",            HF_O(y[0]),             BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/hf/hf.c:84:26: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    {"%s",      128,    "dfile",        bu_offsetofarray(struct rt_hf_internal, dfile), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL},

/Users/cezar/brlcad/src/librt/primitives/hf/hf.c:85:23: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    {"%s",      8,      "fmt",          bu_offsetofarray(struct rt_hf_internal, fmt), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL},

/Users/cezar/brlcad/src/librt/primitives/hyp/hyp.c:108:23: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "V",   bu_offsetof(struct rt_hyp_internal, hyp_Vi[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/hyp/hyp.c:109:23: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "H",   bu_offsetof(struct rt_hyp_internal, hyp_Hi[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/hyp/hyp.c:110:23: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "A",   bu_offsetof(struct rt_hyp_internal, hyp_A[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/part/part.c:216:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "V", bu_offsetof(struct rt_part_internal, part_V[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/part/part.c:217:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "H", bu_offsetof(struct rt_part_internal, part_H[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

In file included from /Users/cezar/brlcad/src/librt/primitives/revolve/revolve.c:42:
/Users/cezar/brlcad/src/librt/primitives/revolve/./revolve.h:48:23: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "V",   bu_offsetof(struct rt_revolve_internal, v3d[X]),  BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

In file included from /Users/cezar/brlcad/src/librt/primitives/revolve/revolve.c:42:
/Users/cezar/brlcad/src/librt/primitives/revolve/./revolve.h:49:24: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]

In file included from /Users/cezar/brlcad/src/librt/primitives/revolve/revolve.c:42:
/Users/cezar/brlcad/src/librt/primitives/revolve/./revolve.h:50:23: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "R",   bu_offsetof(struct rt_revolve_internal, r[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/rhc/rhc.c:196:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "V", bu_offsetof(struct rt_rhc_internal, rhc_V[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/rhc/rhc.c:197:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "H", bu_offsetof(struct rt_rhc_internal, rhc_H[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/rhc/rhc.c:198:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "B", bu_offsetof(struct rt_rhc_internal, rhc_B[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/rpc/rpc.c:191:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "V", bu_offsetof(struct rt_rpc_internal, rpc_V[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/rpc/rpc.c:192:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "H", bu_offsetof(struct rt_rpc_internal, rpc_H[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/rpc/rpc.c:193:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "B", bu_offsetof(struct rt_rpc_internal, rpc_B[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/superell/superell.c:51:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "V", bu_offsetof(struct rt_superell_internal, v[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/superell/superell.c:52:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "A", bu_offsetof(struct rt_superell_internal, a[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/superell/superell.c:53:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "B", bu_offsetof(struct rt_superell_internal, b[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/superell/superell.c:54:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "C", bu_offsetof(struct rt_superell_internal, c[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/tgc/tgc.c:81:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "V", bu_offsetof(struct rt_tgc_internal, v[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/tgc/tgc.c:82:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "H", bu_offsetof(struct rt_tgc_internal, h[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/tgc/tgc.c:83:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "A", bu_offsetof(struct rt_tgc_internal, a[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/tgc/tgc.c:84:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "B", bu_offsetof(struct rt_tgc_internal, b[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/tgc/tgc.c:85:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "C", bu_offsetof(struct rt_tgc_internal, c[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/tgc/tgc.c:86:21: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    { "%f", 3, "D", bu_offsetof(struct rt_tgc_internal, d[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/tor/tor.c:139:22: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    {"%f", 3, "V",   bu_offsetof(struct rt_tor_internal, v[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL},

/Users/cezar/brlcad/src/librt/primitives/tor/tor.c:140:22: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    {"%f", 3, "H",   bu_offsetof(struct rt_tor_internal, h[X]), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL},

/Users/cezar/brlcad/src/librt/primitives/vol/vol.c:68:37: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    {"%s", RT_VOL_NAME_LEN, "file", bu_offsetofarray(struct rt_vol_internal, file), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/vol/vol.c:74:39: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    {"%f", ELEMENTS_PER_VECT, "size", bu_offsetofarray(struct rt_vol_internal, cellsize), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },

/Users/cezar/brlcad/src/librt/primitives/vol/vol.c:75:23: error: using extended field designator is an extension [-Werror,-Wextended-offsetof]
    {"%f", 16, "mat", bu_offsetofarray(struct rt_vol_internal, mat), BU_STRUCTPARSE_FUNC_NULL, NULL, NULL },