./configure --enable-mat73=yes --with-hdf5=/home/pi/matio/CMake-hdf5-1.8.18/HDF5-1.8.18-Linux/HDF_Group/HDF5/1.8.18 --with-default-file-ver=7.3
...
checking for HDF5 software...  no
...   
MATIO Configuration Summary       
==============================================================
           C Compiler: gcc
               CFLAGS:  -g -O2
     Shared Libraries: yes
     Static Libraries: yes
  default MAT version: MAT_FT_MAT73

Features --------------------------------------------
  MAT v7.3 file support: no
Extended sparse support: yes

Packages --------------------------------------------
                 zlib: -lz
                 hdf5: 
               MATLAB: 

...
configure:15844: checking for HDF5 software
configure:15881: gcc -o conftest -I/home/pi/matio/CMake-hdf5-1.8.18/HDF5-1.8.18-Linux/HDF_Group/HDF5/1.8.18/include  -g -O2   conftest.c -L/home/pi/matio/CMake-hdf5-1.8.18/HDF5-1.8.18-Linux/HDF_Group/HDF5/1.8.18/lib -lhdf5 -lz -lm  >&5
/home/pi/matio/CMake-hdf5-1.8.18/HDF5-1.8.18-Linux/HDF_Group/HDF5/1.8.18/lib/libhdf5.a(H5PL.c.o): In function `H5PL_term_interface':
H5PL.c:(.text+0x32c): undefined reference to `dlclose'
/home/pi/matio/CMake-hdf5-1.8.18/HDF5-1.8.18-Linux/HDF_Group/HDF5/1.8.18/lib/libhdf5.a(H5PL.c.o): In function `H5PL_load':
H5PL.c:(.text+0x5e8): undefined reference to `dlsym'
H5PL.c:(.text+0x7ac): undefined reference to `dlopen'
H5PL.c:(.text+0x7bc): undefined reference to `dlsym'
H5PL.c:(.text+0x934): undefined reference to `dlclose'
H5PL.c:(.text+0x99c): undefined reference to `dlerror'
H5PL.c:(.text+0xca4): undefined reference to `dlclose'
/home/pi/matio/CMake-hdf5-1.8.18/HDF5-1.8.18-Linux/HDF_Group/HDF5/1.8.18/lib/libhdf5.a(H5Z.c.o): In function `H5Z_init_interface':
H5Z.c:(.text+0x958): undefined reference to `SZ_encoder_enabled'
/home/pi/matio/CMake-hdf5-1.8.18/HDF5-1.8.18-Linux/HDF_Group/HDF5/1.8.18/lib/libhdf5.a(H5Zszip.c.o): In function `H5Z_filter_szip':
H5Zszip.c:(.text+0x104): undefined reference to `SZ_BufftoBuffDecompress'
H5Zszip.c:(.text+0x19c): undefined reference to `SZ_BufftoBuffCompress'
collect2: error: ld returned 1 exit status
...

   MATIO Configuration Summary       
==============================================================
           C Compiler: gcc-4.8
               CFLAGS: -g -O2 -fprofile-arcs -ftest-coverage 
     Shared Libraries: yes
     Static Libraries: yes
  default MAT version: MAT_FT_MAT5
Features --------------------------------------------
  MAT v7.3 file support: yes
Extended sparse support: yes
Packages --------------------------------------------
                 zlib: -L/home/travis/build/massich/matio/zlib/lib -lz
                 hdf5: -L/home/travis/build/massich/matio/hdf5_1_10_1/hdf5/lib -lhdf5
               MATLAB: 

checking for va_copy() function... configure: error: in `/builddir/matio-1.5.11':
configure: error: cannot run test program while cross compiling

>> Structure.CharArray

ans =
        4x1 char array 
            't'
            'e'
            's'
            't'

taco@Tuxedo ~ $ ls /opt/HDF_Group/HDF5/1.10.1 
bin  include  lib  share

   MATIO Configuration Summary       
==============================================================
           C Compiler: gcc
               CFLAGS:  -g -O2
     Shared Libraries: yes
     Static Libraries: yes
  default MAT version: MAT_FT_MAT5

Features --------------------------------------------
  MAT v7.3 file support: no
Extended sparse support: yes

Packages --------------------------------------------
                 zlib: -lz
                 hdf5: 
               MATLAB: /usr/local/bin/matlab

>> load copy6.mat
??? Error using ==> load
Can't read file d:\temp\copy6.mat.

Program received signal SIGSEGV, Segmentation fault.
Read5 (mat=0x722ef0, matvar=<optimized out>) at mat5.c:4331
4331                    fields[i]->internal->fp = mat;
(gdb) bt
#0  Read5 (mat=0x722ef0, matvar=<optimized out>) at mat5.c:4331
#1  0x00007fffa425d3a0 in Read5 (mat=0x722ef0, matvar=<optimized out>) at mat5.c:4332
#2  0x00007fffa425d3a0 in Read5 (mat=0x722ef0, matvar=<optimized out>) at mat5.c:4332
#3  0x00007fffa4268714 in Mat_VarRead (mat=0x722ef0, name=<optimized out>) at mat.c:1987
#4  0x000000000048ce29 in lj_vm_ffi_call ()
#5  0x000000000045d4e0 in lj_ccall_func ()
#6  0x000000000045f7b6 in lj_cf_ffi_meta___call ()
#7  0x000000000048ae6a in lj_BC_FUNCC ()
#8  0x000000000047a6dd in lua_pcall ()
#9  0x000000000041131f in pmain ()
#10 0x000000000048ae6a in lj_BC_FUNCC ()
#11 0x000000000047a757 in lua_cpcall ()
#12 0x000000000040f234 in main ()

main-10-230-5-186:matio-1.5.2 aaron$ ./configure --with-default-api-version=v18
configure: WARNING: unrecognized options: --with-default-api-version

/home/karas/check/matio/src/inflate.c	61	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	78	warn	V507 Pointer to local array 'uncomp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	82	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	97	warn	V507 Pointer to local array 'uncomp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	66	warn	V507 Pointer to local array 'uncomp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	129	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	141	warn	V507 Pointer to local array 'uncomp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	146	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	157	warn	V507 Pointer to local array 'uncomp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	133	warn	V507 Pointer to local array 'uncomp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	253	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	265	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	304	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	316	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	358	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	370	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	397	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	409	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	447	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	459	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	498	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	510	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	549	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	563	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	604	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	616	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	664	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	684	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	725	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	737	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	776	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	788	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	835	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/inflate.c	847	warn	V507 Pointer to local array 'comp_buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/matvar_cell.c	106	warn	V522 There might be dereferencing of a potential null pointer 'cells'. Check lines: 106, 103.
/home/karas/check/matio/src/matvar_cell.c	152	warn	V522 There might be dereferencing of a potential null pointer 'cells'. Check lines: 152, 149.
/home/karas/check/matio/src/mat.c	846	warn	V522 There might be dereferencing of a potential null pointer 'matvar->dims'. Check lines: 846, 844.
/home/karas/check/matio/src/mat.c	909	warn	V522 There might be dereferencing of a potential null pointer 'matvar->internal->fieldnames'. Check lines: 909, 907.
/home/karas/check/matio/src/mat.c	1229	warn	V522 There might be dereferencing of a potential null pointer 'out->internal->fieldnames'. Check lines: 1229, 1225.
/home/karas/check/matio/src/mat.c	1665	warn	V522 There might be dereferencing of a potential null pointer 'subs'. Check lines: 1665, 1659.
/home/karas/check/matio/src/mat.c	1705	warn	V522 There might be dereferencing of a potential null pointer 'subs'. Check lines: 1705, 1698.
/home/karas/check/matio/src/mat.c	1921	err	V767 Suspicious access to element of 'dims' array by a constant index inside a loop.
/home/karas/check/matio/src/mat.c	1927	err	V767 Suspicious access to element of 'dims' array by a constant index inside a loop.
/home/karas/check/matio/src/mat.c	1937	err	V767 Suspicious access to element of 'dims' array by a constant index inside a loop.
/home/karas/check/matio/src/mat.c	1942	err	V767 Suspicious access to element of 'dims' array by a constant index inside a loop.
/home/karas/check/matio/src/matvar_struct.c	66	warn	V522 There might be dereferencing of a potential null pointer 'matvar->dims'. Check lines: 66, 64.
/home/karas/check/matio/src/matvar_struct.c	98	warn	V522 There might be dereferencing of a potential null pointer 'field_vars'. Check lines: 98, 95.
/home/karas/check/matio/src/matvar_struct.c	459	warn	V522 There might be dereferencing of a potential null pointer 'fields'. Check lines: 459, 451.
/home/karas/check/matio/tools/matdump.c	354	warn	V522 There might be dereferencing of a potential null pointer 'start'. Check lines: 354, 350.
/home/karas/check/matio/tools/matdump.c	355	warn	V522 There might be dereferencing of a potential null pointer 'stride'. Check lines: 355, 351.
/home/karas/check/matio/tools/matdump.c	356	warn	V522 There might be dereferencing of a potential null pointer 'edge'. Check lines: 356, 352.
/home/karas/check/matio/tools/matdump.c	369	warn	V522 There might be dereferencing of a potential null pointer 'z'. Check lines: 369, 367.
/home/karas/check/matio/tools/matdump.c	485	warn	V522 There might be dereferencing of a potential null pointer 'start'. Check lines: 485, 481.
/home/karas/check/matio/tools/matdump.c	486	warn	V522 There might be dereferencing of a potential null pointer 'stride'. Check lines: 486, 482.
/home/karas/check/matio/tools/matdump.c	487	warn	V522 There might be dereferencing of a potential null pointer 'edge'. Check lines: 487, 483.
/home/karas/check/matio/tools/matdump.c	659	err	V767 Suspicious access to element of 'dims' array by a constant index inside a loop.
/home/karas/check/matio/tools/matdump.c	671	err	V767 Suspicious access to element of 'dims' array by a constant index inside a loop.
/home/karas/check/matio/test/test_snprintf.c	54	err	V536 Be advised that the utilized constant value is represented by an octal form. Oct: 0203, Dec: 131.
/home/karas/check/matio/test/test_mat.c	3477	warn	V614 Potentially uninitialized variable 'data_type' used. Consider checking the third actual argument of the 'Mat_VarCreate' function.
/home/karas/check/matio/test/test_mat.c	3644	warn	V614 Potentially uninitialized variable 'data_type' used. Consider checking the third actual argument of the 'Mat_VarCreate' function.
/home/karas/check/matio/test/test_mat.c	2569	warn	V666 Consider inspecting second argument of the function 'Mat_VarCreateStruct'. It is possible that the value does not correspond with the length of a string which was passed with the first argument.
/home/karas/check/matio/src/mat5.c	392	warn	V575 The potential null pointer is passed into 'memset' function. Inspect the first argument. Check lines: 392, 390.
/home/karas/check/matio/src/mat5.c	403	warn	V575 The potential null pointer is passed into 'memset' function. Inspect the first argument. Check lines: 403, 391.
/home/karas/check/matio/src/mat5.c	546	warn	V507 Pointer to local array 'buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/mat5.c	559	warn	V507 Pointer to local array 'buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/mat5.c	569	warn	V507 Pointer to local array 'buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/mat5.c	566	warn	V507 Pointer to local array 'pad' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/mat5.c	590	warn	V507 Pointer to local array 'buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/mat5.c	608	warn	V507 Pointer to local array 'buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/mat5.c	620	warn	V507 Pointer to local array 'buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/mat5.c	617	warn	V507 Pointer to local array 'pad' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/mat5.c	636	warn	V507 Pointer to local array 'buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/mat5.c	1195	warn	V507 Pointer to local array 'buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/mat5.c	1208	warn	V507 Pointer to local array 'buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/mat5.c	1218	warn	V507 Pointer to local array 'buf' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/mat5.c	1215	warn	V507 Pointer to local array 'pad' is stored outside the scope of this array. Such a pointer will become invalid.
/home/karas/check/matio/src/mat5.c	1332	warn	V522 There might be dereferencing of a potential null pointer 'cells[i]->dims'. Check lines: 1332, 1329.
/home/karas/check/matio/src/mat5.c	1358	warn	V522 There might be dereferencing of a potential null pointer 'cells[i]->name'. Check lines: 1358, 1355.
/home/karas/check/matio/src/mat5.c	1594	warn	V522 There might be dereferencing of a potential null pointer 'matvar->internal->fieldnames'. Check lines: 1594, 1592.
/home/karas/check/matio/src/mat5.c	1596	warn	V769 The 'ptr' pointer in the 'ptr + i * fieldname_size' expression could be nullptr. In such case, resulting value will be senseless and it should not be used. Check lines: 1596, 1588.
/home/karas/check/matio/src/mat5.c	1687	warn	V522 There might be dereferencing of a potential null pointer 'fields[i]->dims'. Check lines: 1687, 1683.
/home/karas/check/matio/src/mat5.c	2208	warn	V575 The potential null pointer is passed into 'fwrite' function. Inspect the first argument. Check lines: 2208, 2204.
/home/karas/check/matio/src/mat5.c	2580	warn	V575 The potential null pointer is passed into 'memset' function. Inspect the first argument. Check lines: 2580, 2568.
/home/karas/check/matio/src/mat5.c	2955	err	V512 A call of the 'memset' function will lead to underflow of the buffer 'uncomp_buf'.
/home/karas/check/matio/src/mat5.c	3208	warn	V522 There might be dereferencing of a potential null pointer 'matvar->dims'. Check lines: 3208, 3207.
/home/karas/check/matio/src/mat5.c	5153	err	V512 A call of the 'memset' function will lead to underflow of the buffer 'uncomp_buf'.
/home/karas/check/matio/src/mat5.c	5392	warn	V575 The potential null pointer is passed into 'fwrite' function. Inspect the first argument. Check lines: 5392, 5388.
/home/karas/check/matio/src/mat5.c	5624	warn	V575 The potential null pointer is passed into 'inflateInit_' function. Inspect the first argument. Check lines: 5624, 5623.
/home/karas/check/matio/src/mat5.c	5680	warn	V522 There might be dereferencing of a potential null pointer 'matvar->dims'. Check lines: 5680, 5677.
/home/karas/check/matio/src/mat5.c	5712	warn	V575 The potential null pointer is passed into 'memcpy' function. Inspect the first argument. Check lines: 5712, 5711.

/tmp/ccI8aVfw.o: In function `main':
testMatio.cpp:(.text+0x39): undefined reference to `Mat_Open'
testMatio.cpp:(.text+0xad): undefined reference to `Mat_VarRead'
testMatio.cpp:(.text+0x204): undefined reference to `Mat_VarRead'
testMatio.cpp:(.text+0x360): undefined reference to `Mat_VarRead'
testMatio.cpp:(.text+0x43f): undefined reference to `Mat_VarRead'
testMatio.cpp:(.text+0x519): undefined reference to `Mat_Close'
collect2: error: ld returned 1 exit status

#include <iostream>
#include <matio.h>
#define tS(x) std::cout<<"\t"<<(#x)<<" == "<<(x)<<"\n" 
int main(int argc, char **argv)
{
    const char *fileName = argc==1?"./S.mat":argv[1] ;
    mat_t *mat = Mat_Open(fileName,MAT_ACC_RDONLY);
    if(mat)
    {
        std::cout<<"Otwarto plik do odczytu\n\tmat == "<<mat<<"\n" ;

        matvar_t *matVar=0 ;
        std::cout<<"Wypisujemy dane\n\n" ;
        std::cout<<"x:\n" ;
        matVar = Mat_VarRead(mat, (char*)"x") ;
        if(matVar)
        {
            unsigned xSize = matVar->nbytes/matVar->data_size ;
            const double *xData = static_cast<const double*>(matVar->data) ;
            for(int i=0; i<xSize; ++i)
            {
                std::cout<<"\tx["<<i<<"] = "<<xData[i]<<"\n" ;
            }
            std::cout<<"\n" ;
            for(int i=0; i<matVar->rank; ++i)
            {
                std::cout<<"\tdim["<<i<<"] == "<<matVar->dims[i]<<"\n" ;
            }
        }

        std::cout<<"y:\n" ;
        matVar = Mat_VarRead(mat, (char*)"y") ;
        unsigned ySize = matVar->nbytes/matVar->data_size ;
        const double *yData = static_cast<const double*>(matVar->data) ;
        for(int i=0; i<ySize; ++i)
        {
            double d = yData[i] ;
            std::cout<<"\ty["<<i<<"] = "<<d<<"\n" ;
        }
        std::cout<<"\n" ;
        for(int i=0; i<matVar->rank; ++i)
        {
            std::cout<<"\tdim["<<i<<"] == "<<matVar->dims[i]<<"\n" ;
        }

        std::cout<<"minX, step:\n";
        matVar = Mat_VarRead(mat, (char*)"minX") ;
        const double *minXData = static_cast<const double*>(matVar->data) ;
        std::cout<<"\tminX = "<<minXData[0]<<"\n" ;
        std::cout<<"\n" ;
        for(int i=0; i<matVar->rank; ++i)
        {
            std::cout<<"\tdim["<<i<<"] == "<<matVar->dims[i]<<"\n" ;
        }

        matVar = Mat_VarRead(mat, (char*)"step") ;
        const double *stepData = static_cast<const double*>(matVar->data) ;
        std::cout<<"\tstep = "<<stepData[0]<<"\n" ;
        std::cout<<"\n" ;
        for(int i=0; i<matVar->rank; ++i)
        {
            std::cout<<"\tdim["<<i<<"] == "<<matVar->dims[i]<<"\n" ;
        }

        Mat_Close(mat);
    }
    else
    {
        std::cout<<"Nie można otworzyć pliku\n" ;
        return 1;
    }
    return 0;
}

mat73.c: In function ‘Mat_H5ReadDatasetInfo’:
mat73.c:610:60: error: incompatible type for argument 3 of ‘H5Rdereference2’
                 ref_id = H5Rdereference(dset_id,H5R_OBJECT,ref_ids+i);
                                                            ^~~~~~~
In file included from /usr/include/hdf5.h:38:0,
                 from matio_private.h:37,
                 from mat73.c:38:
/usr/include/H5Rpublic.h:63:14: note: expected ‘H5R_type_t {aka enum <anonymous>}’ but argument is of type ‘hobj_ref_t * {aka long unsigned int *}’
 H5_DLL hid_t H5Rdereference2(hid_t obj_id, hid_t oapl_id, H5R_type_t ref_type, const void *ref);
              ^~~~~~~~~~~~~~~
In file included from /usr/include/H5public.h:34:0,
                 from /usr/include/hdf5.h:24,
                 from matio_private.h:37,
                 from mat73.c:38:
mat73.c:610:26: error: too few arguments to function ‘H5Rdereference2’
                 ref_id = H5Rdereference(dset_id,H5R_OBJECT,ref_ids+i);
                          ^
In file included from /usr/include/hdf5.h:38:0,
                 from matio_private.h:37,
                 from mat73.c:38:
/usr/include/H5Rpublic.h:63:14: note: declared here
 H5_DLL hid_t H5Rdereference2(hid_t obj_id, hid_t oapl_id, H5R_type_t ref_type, const void *ref);
              ^~~~~~~~~~~~~~~
mat73.c: In function ‘Mat_H5ReadGroupInfo’:
mat73.c:909:49: error: incompatible type for argument 3 of ‘H5Rdereference2’
                                                 ref_ids+l);
                                                 ^~~~~~~
In file included from /usr/include/hdf5.h:38:0,
                 from matio_private.h:37,
                 from mat73.c:38:
/usr/include/H5Rpublic.h:63:14: note: expected ‘H5R_type_t {aka enum <anonymous>}’ but argument is of type ‘hobj_ref_t * {aka long unsigned int *}’
 H5_DLL hid_t H5Rdereference2(hid_t obj_id, hid_t oapl_id, H5R_type_t ref_type, const void *ref);
              ^~~~~~~~~~~~~~~
In file included from /usr/include/H5public.h:34:0,
                 from /usr/include/hdf5.h:24,
                 from matio_private.h:37,
                 from mat73.c:38:
mat73.c:908:34: error: too few arguments to function ‘H5Rdereference2’
                         ref_id = H5Rdereference(field_id,H5R_OBJECT,
                                  ^
In file included from /usr/include/hdf5.h:38:0,
                 from matio_private.h:37,
                 from mat73.c:38:
/usr/include/H5Rpublic.h:63:14: note: declared here
 H5_DLL hid_t H5Rdereference2(hid_t obj_id, hid_t oapl_id, H5R_type_t ref_type, const void *ref);
              ^~~~~~~~~~~~~~~
mat73.c: In function ‘Mat_H5ReadNextReferenceInfo’:
mat73.c:1070:68: error: incompatible type for argument 3 of ‘H5Rdereference2’
                         ref_id = H5Rdereference(dset_id,H5R_OBJECT,ref_ids+i);
                                                                    ^~~~~~~
In file included from /usr/include/hdf5.h:38:0,
                 from matio_private.h:37,
                 from mat73.c:38:
/usr/include/H5Rpublic.h:63:14: note: expected ‘H5R_type_t {aka enum <anonymous>}’ but argument is of type ‘hobj_ref_t * {aka long unsigned int *}’
 H5_DLL hid_t H5Rdereference2(hid_t obj_id, hid_t oapl_id, H5R_type_t ref_type, const void *ref);
              ^~~~~~~~~~~~~~~
In file included from /usr/include/H5public.h:34:0,
                 from /usr/include/hdf5.h:24,
                 from matio_private.h:37,
                 from mat73.c:38:
mat73.c:1070:34: error: too few arguments to function ‘H5Rdereference2’
                         ref_id = H5Rdereference(dset_id,H5R_OBJECT,ref_ids+i);
                                  ^
In file included from /usr/include/hdf5.h:38:0,
                 from matio_private.h:37,
                 from mat73.c:38:
/usr/include/H5Rpublic.h:63:14: note: declared here
 H5_DLL hid_t H5Rdereference2(hid_t obj_id, hid_t oapl_id, H5R_type_t ref_type, const void *ref);
              ^~~~~~~~~~~~~~~
mat73.c: In function ‘Mat_VarRead73’:
mat73.c:2271:60: error: incompatible type for argument 3 of ‘H5Rdereference2’
                 dset_id = H5Rdereference(ref_id,H5R_OBJECT,&matvar->internal->hdf5_ref);
                                                            ^
In file included from /usr/include/hdf5.h:38:0,
                 from matio_private.h:37,
                 from mat73.c:38:
/usr/include/H5Rpublic.h:63:14: note: expected ‘H5R_type_t {aka enum <anonymous>}’ but argument is of type ‘hobj_ref_t * {aka long unsigned int *}’
 H5_DLL hid_t H5Rdereference2(hid_t obj_id, hid_t oapl_id, H5R_type_t ref_type, const void *ref);
              ^~~~~~~~~~~~~~~
In file included from /usr/include/H5public.h:34:0,
                 from /usr/include/hdf5.h:24,
                 from matio_private.h:37,
                 from mat73.c:38:
mat73.c:2271:27: error: too few arguments to function ‘H5Rdereference2’
                 dset_id = H5Rdereference(ref_id,H5R_OBJECT,&matvar->internal->hdf5_ref);
                           ^
In file included from /usr/include/hdf5.h:38:0,
                 from matio_private.h:37,
                 from mat73.c:38:
/usr/include/H5Rpublic.h:63:14: note: declared here
 H5_DLL hid_t H5Rdereference2(hid_t obj_id, hid_t oapl_id, H5R_type_t ref_type, const void *ref);
              ^~~~~~~~~~~~~~~
mat73.c: In function ‘Mat_VarReadData73’:
mat73.c:2526:60: error: incompatible type for argument 3 of ‘H5Rdereference2’
                 dset_id = H5Rdereference(ref_id,H5R_OBJECT,&matvar->internal->hdf5_ref);
                                                            ^
In file included from /usr/include/hdf5.h:38:0,
                 from matio_private.h:37,
                 from mat73.c:38:
/usr/include/H5Rpublic.h:63:14: note: expected ‘H5R_type_t {aka enum <anonymous>}’ but argument is of type ‘hobj_ref_t * {aka long unsigned int *}’
 H5_DLL hid_t H5Rdereference2(hid_t obj_id, hid_t oapl_id, H5R_type_t ref_type, const void *ref);
              ^~~~~~~~~~~~~~~
In file included from /usr/include/H5public.h:34:0,
                 from /usr/include/hdf5.h:24,
                 from matio_private.h:37,
                 from mat73.c:38:
mat73.c:2526:27: error: too few arguments to function ‘H5Rdereference2’
                 dset_id = H5Rdereference(ref_id,H5R_OBJECT,&matvar->internal->hdf5_ref);
                           ^
In file included from /usr/include/hdf5.h:38:0,
                 from matio_private.h:37,
                 from mat73.c:38:
/usr/include/H5Rpublic.h:63:14: note: declared here
 H5_DLL hid_t H5Rdereference2(hid_t obj_id, hid_t oapl_id, H5R_type_t ref_type, const void *ref);
              ^~~~~~~~~~~~~~~
mat73.c: In function ‘Mat_VarReadNextInfoIterate’:
mat73.c:2842:68: error: incompatible type for argument 3 of ‘H5Rdereference2’
                         ref_id = H5Rdereference(dset_id,H5R_OBJECT,ref_ids+i);
                                                                    ^~~~~~~
In file included from /usr/include/hdf5.h:38:0,
                 from matio_private.h:37,
                 from mat73.c:38:
/usr/include/H5Rpublic.h:63:14: note: expected ‘H5R_type_t {aka enum <anonymous>}’ but argument is of type ‘hobj_ref_t * {aka long unsigned int *}’
 H5_DLL hid_t H5Rdereference2(hid_t obj_id, hid_t oapl_id, H5R_type_t ref_type, const void *ref);
              ^~~~~~~~~~~~~~~
In file included from /usr/include/H5public.h:34:0,
                 from /usr/include/hdf5.h:24,
                 from matio_private.h:37,
                 from mat73.c:38:
mat73.c:2842:34: error: too few arguments to function ‘H5Rdereference2’
                         ref_id = H5Rdereference(dset_id,H5R_OBJECT,ref_ids+i);
                                  ^
In file included from /usr/include/hdf5.h:38:0,
                 from matio_private.h:37,
                 from mat73.c:38:
/usr/include/H5Rpublic.h:63:14: note: declared here
 H5_DLL hid_t H5Rdereference2(hid_t obj_id, hid_t oapl_id, H5R_type_t ref_type, const void *ref);

                    matvar_t * shrink = Mat_VarGetStructFieldByName(pChnsfield, "shrink", 0);
                    assert(shrink != NULL);
                    paraPyr.chnsParas.shrink = *((double *) shrink->data); //shrink->data becomes null with 1.8.19 or 1.8.20 hdf library

2665-2680
2684-2754
2758-2828
2834-2904
2911-2980

main-10-230-5-186:matio-1.5.2 aaron$ make
Making all in src
/Applications/Xcode.app/Contents/Developer/usr/bin/make  all-am
/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I.    -I.    -g -O2 -c -o mat73.lo mat73.c
libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I. -g -O2 -c mat73.c  -fno-common -DPIC -o .libs/mat73.o
mat73.c:599:69: error: too few arguments to function call, expected 4, have 3
                ref_id = H5Rdereference(dset_id,H5R_OBJECT,ref_ids+i);
                         ~~~~~~~~~~~~~~                             ^
/usr/local/include/H5Rpublic.h:80:8: note: 'H5Rdereference2' declared here
H5_DLL hid_t H5Rdereference2(hid_t obj_id, hid_t oapl_id, H5R_type_t ref_type, const void *ref);
       ^
mat73.c:904:58: error: too few arguments to function call, expected 4, have 3
                                                ref_ids+l);
                                                         ^
/usr/local/include/H5Rpublic.h:80:8: note: 'H5Rdereference2' declared here
H5_DLL hid_t H5Rdereference2(hid_t obj_id, hid_t oapl_id, H5R_type_t ref_type, const void *ref);
       ^
mat73.c:1033:73: error: too few arguments to function call, expected 4, have 3
                    ref_id = H5Rdereference(dset_id,H5R_OBJECT,ref_ids+i);
                             ~~~~~~~~~~~~~~                             ^
/usr/local/include/H5Rpublic.h:80:8: note: 'H5Rdereference2' declared here
H5_DLL hid_t H5Rdereference2(hid_t obj_id, hid_t oapl_id, H5R_type_t ref_type, const void *ref);
       ^
mat73.c:2788:77: error: too few arguments to function call, expected 4, have 3
                        ref_id = H5Rdereference(dset_id,H5R_OBJECT,ref_ids+i);
                                 ~~~~~~~~~~~~~~                             ^
/usr/local/include/H5Rpublic.h:80:8: note: 'H5Rdereference2' declared here
H5_DLL hid_t H5Rdereference2(hid_t obj_id, hid_t oapl_id, H5R_type_t ref_type, const void *ref);
       ^
4 errors generated.
make[2]: *** [mat73.lo] Error 1
make[1]: *** [all] Error 2
make: *** [all-recursive] Error 1

=================================================================
==2742==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x00000050d188 bp 0x00000000002a sp 0x7ffd5d0f7cc0 T0)
==2742==The signal is caused by a READ memory access.
==2742==Hint: address points to the zero page.
    #0 0x50d187 in print_default /home/karas/matio/tools/matdump.c:735:22
    #1 0x50e2ea in print_default /home/karas/matio/tools/matdump.c:810:17
    #2 0x50ea10 in print_default /home/karas/matio/tools/matdump.c:786:21
    #3 0x50ca04 in main /home/karas/matio/tools/matdump.c:932:17
    #4 0x7fc482d993f0 in __libc_start_main /build/glibc-mXZSwJ/glibc-2.24/csu/../csu/libc-start.c:291
    #5 0x41a589 in _start (/home/karas/matio/tools/.libs/matdump+0x41a589)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /home/karas/matio/tools/matdump.c:735:22 in print_default
==2742==ABORTING

#include <iostream>
#include "matio.h"

int main(void)
{
  mat_t* matfp;
  matvar_t* usol_var;

  matfp = Mat_Open("burgers.mat", MAT_ACC_RDONLY);

  usol_var = Mat_VarRead(matfp, "usol");

  mat_complex_split_t* usol_data = (mat_complex_split_t*) usol_var->data;

  // Gives correct results:
  std::cout << *((double*)usol_data[0].Re) << "\n";
  // Won't work:
  // std::cout << *((double*)usol_data[1].Re) << "\n";
  
  Mat_Close(matfp);

  return 0;
}

main-10-230-5-186:PSPNet aaron$ make -j8
[  1%] Built target proto
Scanning dependencies of target caffe
[  2%] Building CXX object src/caffe/CMakeFiles/caffe.dir/util/matio_io.cpp.o
[  4%] Linking CXX shared library ../../lib/libcaffe.dylib
ld: warning: text-based stub file /System/Library/Frameworks//Accelerate.framework/Accelerate.tbd and library file /System/Library/Frameworks//Accelerate.framework/Accelerate are out of sync. Falling back to library file for linking.
ld: warning: text-based stub file /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.framework/Versions/A/vImage.tbd and library file /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.framework/Versions/A/vImage are out of sync. Falling back to library file for linking.
ld: warning: text-based stub file /System/Library/Frameworks//vecLib.framework/Versions/A/vecLib.tbd and library file /System/Library/Frameworks//vecLib.framework/Versions/A/vecLib are out of sync. Falling back to library file for linking.
ld: warning: text-based stub file /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvDSP.tbd and library file /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvDSP.dylib are out of sync. Falling back to library file for linking.
ld: warning: text-based stub file /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBNNS.tbd and library file /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBNNS.dylib are out of sync. Falling back to library file for linking.
ld: warning: text-based stub file /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libQuadrature.tbd and library file /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libQuadrature.dylib are out of sync. Falling back to library file for linking.
ld: warning: text-based stub file /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvMisc.tbd and library file /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvMisc.dylib are out of sync. Falling back to library file for linking.
ld: warning: text-based stub file /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLAPACK.tbd and library file /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLAPACK.dylib are out of sync. Falling back to library file for linking.
ld: warning: text-based stub file /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLinearAlgebra.tbd and library file /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLinearAlgebra.dylib are out of sync. Falling back to library file for linking.
ld: warning: text-based stub file /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libSparse.tbd and library file /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libSparse.dylib are out of sync. Falling back to library file for linking.
ld: warning: text-based stub file /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libSparseBLAS.tbd and library file /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libSparseBLAS.dylib are out of sync. Falling back to library file for linking.
Undefined symbols for architecture x86_64:
  "_H5LTfind_dataset", referenced from:
      caffe::SGDSolver<float>::RestoreSolverStateFromHDF5(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) in sgd_solver.cpp.o
      caffe::SGDSolver<double>::RestoreSolverStateFromHDF5(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) in sgd_solver.cpp.o
      void caffe::hdf5_load_nd_dataset_helper<float>(long long, char const*, int, int, caffe::Blob<float>*) in hdf5.cpp.o
      void caffe::hdf5_load_nd_dataset_helper<double>(long long, char const*, int, int, caffe::Blob<double>*) in hdf5.cpp.o
  "_H5LTget_dataset_info", referenced from:
      void caffe::hdf5_load_nd_dataset_helper<float>(long long, char const*, int, int, caffe::Blob<float>*) in hdf5.cpp.o
      void caffe::hdf5_load_nd_dataset_helper<double>(long long, char const*, int, int, caffe::Blob<double>*) in hdf5.cpp.o
      caffe::hdf5_load_string(long long, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) in hdf5.cpp.o
  "_H5LTget_dataset_ndims", referenced from:
      void caffe::hdf5_load_nd_dataset_helper<float>(long long, char const*, int, int, caffe::Blob<float>*) in hdf5.cpp.o
      void caffe::hdf5_load_nd_dataset_helper<double>(long long, char const*, int, int, caffe::Blob<double>*) in hdf5.cpp.o
  "_H5LTmake_dataset_double", referenced from:
      void caffe::hdf5_save_nd_dataset<double>(long long, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, caffe::Blob<double> const&, bool) in hdf5.cpp.o
  "_H5LTmake_dataset_float", referenced from:
      void caffe::hdf5_save_nd_dataset<float>(long long, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, caffe::Blob<float> const&, bool) in hdf5.cpp.o
  "_H5LTmake_dataset_int", referenced from:
      caffe::hdf5_save_int(long long, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int) in hdf5.cpp.o
  "_H5LTmake_dataset_string", referenced from:
      caffe::hdf5_save_string(long long, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) in hdf5.cpp.o
  "_H5LTread_dataset_double", referenced from:
      void caffe::hdf5_load_nd_dataset<double>(long long, char const*, int, int, caffe::Blob<double>*) in hdf5.cpp.o
  "_H5LTread_dataset_float", referenced from:
      void caffe::hdf5_load_nd_dataset<float>(long long, char const*, int, int, caffe::Blob<float>*) in hdf5.cpp.o
  "_H5LTread_dataset_int", referenced from:
      caffe::hdf5_load_int(long long, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) in hdf5.cpp.o
  "_H5LTread_dataset_string", referenced from:
      caffe::hdf5_load_string(long long, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) in hdf5.cpp.o
  "_Mat_Close", referenced from:
      void caffe::ReadBlobFromMat<float>(char const*, caffe::Blob<float>*) in matio_io.cpp.o
      void caffe::ReadBlobFromMat<double>(char const*, caffe::Blob<double>*) in matio_io.cpp.o
      void caffe::ReadBlobFromMat<int>(char const*, caffe::Blob<int>*) in matio_io.cpp.o
      void caffe::ReadBlobFromMat<unsigned int>(char const*, caffe::Blob<unsigned int>*) in matio_io.cpp.o
      void caffe::WriteBlobToMat<float>(char const*, bool, caffe::Blob<float>*) in matio_io.cpp.o
      void caffe::WriteBlobToMat<double>(char const*, bool, caffe::Blob<double>*) in matio_io.cpp.o
      void caffe::WriteBlobToMat<int>(char const*, bool, caffe::Blob<int>*) in matio_io.cpp.o
      ...
  "_Mat_CreateVer", referenced from:
      void caffe::WriteBlobToMat<float>(char const*, bool, caffe::Blob<float>*) in matio_io.cpp.o
      void caffe::WriteBlobToMat<double>(char const*, bool, caffe::Blob<double>*) in matio_io.cpp.o
      void caffe::WriteBlobToMat<int>(char const*, bool, caffe::Blob<int>*) in matio_io.cpp.o
      void caffe::WriteBlobToMat<unsigned int>(char const*, bool, caffe::Blob<unsigned int>*) in matio_io.cpp.o
  "_Mat_Open", referenced from:
      void caffe::ReadBlobFromMat<float>(char const*, caffe::Blob<float>*) in matio_io.cpp.o
      void caffe::ReadBlobFromMat<double>(char const*, caffe::Blob<double>*) in matio_io.cpp.o
      void caffe::ReadBlobFromMat<int>(char const*, caffe::Blob<int>*) in matio_io.cpp.o
      void caffe::ReadBlobFromMat<unsigned int>(char const*, caffe::Blob<unsigned int>*) in matio_io.cpp.o
  "_Mat_VarCreate", referenced from:
      void caffe::WriteBlobToMat<float>(char const*, bool, caffe::Blob<float>*) in matio_io.cpp.o
      void caffe::WriteBlobToMat<double>(char const*, bool, caffe::Blob<double>*) in matio_io.cpp.o
      void caffe::WriteBlobToMat<int>(char const*, bool, caffe::Blob<int>*) in matio_io.cpp.o
      void caffe::WriteBlobToMat<unsigned int>(char const*, bool, caffe::Blob<unsigned int>*) in matio_io.cpp.o
  "_Mat_VarFree", referenced from:
      void caffe::ReadBlobFromMat<float>(char const*, caffe::Blob<float>*) in matio_io.cpp.o
      void caffe::ReadBlobFromMat<double>(char const*, caffe::Blob<double>*) in matio_io.cpp.o
      void caffe::ReadBlobFromMat<int>(char const*, caffe::Blob<int>*) in matio_io.cpp.o
      void caffe::ReadBlobFromMat<unsigned int>(char const*, caffe::Blob<unsigned int>*) in matio_io.cpp.o
      void caffe::WriteBlobToMat<float>(char const*, bool, caffe::Blob<float>*) in matio_io.cpp.o
      void caffe::WriteBlobToMat<double>(char const*, bool, caffe::Blob<double>*) in matio_io.cpp.o
      void caffe::WriteBlobToMat<int>(char const*, bool, caffe::Blob<int>*) in matio_io.cpp.o
      ...
  "_Mat_VarReadDataLinear", referenced from:
      void caffe::ReadBlobFromMat<float>(char const*, caffe::Blob<float>*) in matio_io.cpp.o
      void caffe::ReadBlobFromMat<double>(char const*, caffe::Blob<double>*) in matio_io.cpp.o
      void caffe::ReadBlobFromMat<int>(char const*, caffe::Blob<int>*) in matio_io.cpp.o
      void caffe::ReadBlobFromMat<unsigned int>(char const*, caffe::Blob<unsigned int>*) in matio_io.cpp.o
  "_Mat_VarReadInfo", referenced from:
      void caffe::ReadBlobFromMat<float>(char const*, caffe::Blob<float>*) in matio_io.cpp.o
      void caffe::ReadBlobFromMat<double>(char const*, caffe::Blob<double>*) in matio_io.cpp.o
      void caffe::ReadBlobFromMat<int>(char const*, caffe::Blob<int>*) in matio_io.cpp.o
      void caffe::ReadBlobFromMat<unsigned int>(char const*, caffe::Blob<unsigned int>*) in matio_io.cpp.o
  "_Mat_VarWrite", referenced from:
      void caffe::WriteBlobToMat<float>(char const*, bool, caffe::Blob<float>*) in matio_io.cpp.o
      void caffe::WriteBlobToMat<double>(char const*, bool, caffe::Blob<double>*) in matio_io.cpp.o
      void caffe::WriteBlobToMat<int>(char const*, bool, caffe::Blob<int>*) in matio_io.cpp.o
      void caffe::WriteBlobToMat<unsigned int>(char const*, bool, caffe::Blob<unsigned int>*) in matio_io.cpp.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[2]: *** [lib/libcaffe.1.0.0-rc3.dylib] Error 1
make[1]: *** [src/caffe/CMakeFiles/caffe.dir/all] Error 2
make: *** [all] Error 2