Compile and Install xlhtml on Ubuntu 18.04

Obviously xlhtml-0.5.1-sj-mod does not compile under Ubuntu 18.04. During make, the following warnings are presented and no executable is compiled. Since I am not an experienced C developer, I wonder whether a simple solution exists. Any clues are highly appreciated. Thanks in advance!

gcc -DHAVE_CONFIG_H -I. -I. -I.. -Wall -Wcast-align -Wpointer-arith -g -O2 -c cole.c cole.c: In function ‘__cole_print_tree_inroot’: cole.c:277:14: warning: format ‘%u’ expects argument of type ‘unsigned int’, but argument 2 has type ‘size_t {aka long unsigned int}’ [-Wformat=] printf (" %7u", cole_dir_getsize (cd)); ^ ~~~~~ %7lu cole.c: In function ‘__cole_print_tree_indirentry’: cole.c:318:14: warning: format ‘%u’ expects argument of type ‘unsigned int’, but argument 2 has type ‘size_t {aka long unsigned int}’ [-Wformat=] printf (" %7u", cole_direntry_getsize (cde)); ^ ~~~~~ %7lu gcc -DHAVE_CONFIG_H -I. -I. -I.. -Wall -Wcast-align -Wpointer-arith -g -O2 -c internal.c internal.c: In function ‘__cole_extract_file’: internal.c:117:3: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result] fread (Block, bytes_to_copy, 1, infile); ^~~~~~~~~ gcc -DHAVE_CONFIG_H -I. -I. -I.. -Wall -Wcast-align -Wpointer-arith -g -O2 -c oledecod.c oledecod.c: In function ‘__OLEdecode’: oledecod.c:149:3: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result] fread (Block, 0x0200, 1, input); ^~~~~~~ oledecod.c:178:7: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result] fread (s, 0x0200, 1, input); ^~~~~~~ oledecod.c:191:7: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result] fread (Blockx, 0x0200, 1, input); ^~~~~~~~ oledecod.c:205:7: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result] fread (s, 0x0200, 1, input); ^~~~~~~ oledecod.c:262:4: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result] fread (s, 0x0200, 1, input); ^~~~~~~ oledecod.c:303:7: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result] fread (s, 0x0200, 1, input); ^~~~~~~ oledecod.c:565:6: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result] fread (Block, bytes_to_read, 1, infile); ^~~~~~~~~ gcc -DHAVE_CONFIG_H -I. -I. -I.. -Wall -Wcast-align -Wpointer-arith -g -O2 -c olecod.c olecod.c: In function ‘add_entry_to_Root’: olecod.c:428:60: warning: ‘*’ in boolean context, suggest ‘&&’ instead [-Wint-in-bool-context] olecod.c:136:28: #define size2blocks(s,b) (!(s) ? 1 : (1+((s)-1)/(b))) ~ olecod.c:428:60: (BDepot->blocks) = size2blocks (sum_block_list (BDepot) * sizeof (U32), 0x0200); olecod.c:136:29: note: in definition of macro ‘size2blocks’ #define size2blocks(s,b) (!(s) ? 1 : (1+((s)-1)/(b))) ^ olecod.c: In function ‘add_stream_to_sbfile_and_SDepot’: olecod.c:461:60: warning: ‘’ in boolean context, suggest ‘&&’ instead [-Wint-in-bool-context] olecod.c:136:28: #define size2blocks(s,b) (!(s) ? 1 : (1+((s)-1)/(b))) ~ olecod.c:461:60: (SDepot->blocks) = size2blocks (sum_block_list (SDepot) * sizeof (U32), 0x0200); olecod.c:136:29: note: in definition of macro ‘size2blocks’ #define size2blocks(s,b) (!(s) ? 1 : (1+((s)-1)/(b))) ^ olecod.c:472:69: warning: ‘’ in boolean context, suggest ‘&&’ instead [-Wint-in-bool-context] olecod.c:136:28: #define size2blocks(s,b) (!(s) ? 1 : (1+((s)-1)/(b))) ~ olecod.c:472:69: (sbfile->blocks) = size2blocks (sum_blocks_MY_FILE_list (sbfile) * 0x40, 0x0200); olecod.c:136:29: note: in definition of macro ‘size2blocks’ #define size2blocks(s,b) (!(s) ? 1 : (1+((s)-1)/(b))) ^ olecod.c:477:60: warning: ‘’ in boolean context, suggest ‘&&’ instead [-Wint-in-bool-context] olecod.c:136:28: #define size2blocks(s,b) (!(s) ? 1 : (1+((s)-1)/(b))) ~ olecod.c:477:60: (BDepot->blocks) = size2blocks (sum_block_list (BDepot) * sizeof (U32), 0x0200); olecod.c:136:29: note: in definition of macro ‘size2blocks’ #define size2blocks(s,b) (!(s) ? 1 : (1+((s)-1)/(b))) ^ olecod.c: In function ‘add_stream_to_Input_and_BDepot’: olecod.c:510:60: warning: ‘’ in boolean context, suggest ‘&&’ instead [-Wint-in-bool-context] olecod.c:136:28: #define size2blocks(s,b) (!(s) ? 1 : (1+((s)-1)/(b))) ~ olecod.c:510:60: (BDepot->blocks) = size2blocks (sum_block_list (BDepot) * sizeof (U32), 0x0200); olecod.c:136:29: note: in definition of macro ‘size2blocks’ #define size2blocks(s,b) (!(s) ? 1 : (1+((s)-1)/(b))) ^ olecod.c:524:60: warning: ‘’ in boolean context, suggest ‘&&’ instead [-Wint-in-bool-context] olecod.c:136:28: #define size2blocks(s,b) (!(s) ? 1 : (1+((s)-1)/(b))) ~ olecod.c:524:60: (BDepot->blocks) = size2blocks (sum_block_list (BDepot) * sizeof (U32), 0x0200); olecod.c:136:29: note: in definition of macro ‘size2blocks’ #define size2blocks(s,b) (!(s) ? 1 : (1+((s)-1)/(b))) ^ In file included from olecod.c:26:0: olecod.c: In function ‘calculate_blocks’: olecod.c:1216:37: warning: ‘’ in boolean context, suggest ‘&&’ instead [-Wint-in-bool-context] olecod.c:137:42: #define size2blocks_preserve_zero(s,b) (!(s) ? 0 : (1+((s)-1)/(b))) ~ olecod.c:1216:37: sum_blocks_MY_FILE_list (sbfile) * 0x40, 0x0200)); olecod.c:1215:32: note: in expansion of macro ‘size2blocks_preserve_zero’ assert ((sbfile->blocks) == size2blocks_preserve_zero ( ^~~~~~~~~ olecod.c:1216:37: warning: ‘*’ in boolean context, suggest ‘&&’ instead [-Wint-in-bool-context] olecod.c:137:42: #define size2blocks_preserve_zero(s,b) (!(s) ? 0 : (1+((s)-1)/(b)))~~ ~ olecod.c:1216:37: sum_blocks_MY_FILE_list (sbfile) * 0x40, 0x0200)); olecod.c:1215:32: note: in expansion of macro ‘size2blocks_preserve_zero’ assert ((sbfile->blocks) == size2blocks_preserve_zero ( ^~~~~~~~~ olecod.c:1218:29: warning: ‘*’ in boolean context, suggest ‘&&’ instead [-Wint-in-bool-context] olecod.c:137:42: #define size2blocks_preserve_zero(s,b) (!(s) ? 0 : (1+((s)-1)/(b)))~~ ~ olecod.c:1218:29: (sum_block_list (SDepot) * sizeof (U32)), 0x0200)); olecod.c:1217:32: note: in expansion of macro ‘size2blocks_preserve_zero’ assert ((SDepot->blocks) == size2blocks_preserve_zero ( ^~~~~~~~~ olecod.c:1218:29: warning: ‘*’ in boolean context, suggest ‘&&’ instead [-Wint-in-bool-context] olecod.c:137:42: #define size2blocks_preserve_zero(s,b) (!(s) ? 0 : (1+((s)-1)/(b)))~~ ~ olecod.c:1218:29: (sum_block_list (SDepot) * sizeof (U32)), 0x0200)); olecod.c:1217:32: note: in expansion of macro ‘size2blocks_preserve_zero’ assert ((SDepot->blocks) == size2blocks_preserve_zero ( ^~~~~~~~~ olecod.c:1224:53: warning: ‘*’ in boolean context, suggest ‘&&’ instead [-Wint-in-bool-context] olecod.c:136:28: #define size2blocks(s,b) (!(s) ? 1 : (1+((s)-1)/(b)))~~ ~ olecod.c:1224:53: header_blocks = size2blocks ((19 + BDepot_blocks) * sizeof(U32), 0x0200); olecod.c:136:29: note: in definition of macro ‘size2blocks’ #define size2blocks(s,b) (!(s) ? 1 : (1+((s)-1)/(b))) ^ gcc -DHAVE_CONFIG_H -I. -I. -I.. -Wall -Wcast-align -Wpointer-arith -g -O2 -c support.c support.c: In function ‘__cole_dump’: support.c:141:35: warning: format ‘%x’ expects argument of type ‘unsigned int’, but argument 3 has type ‘long int’ [-Wformat=] printf ("VERBOSE: %s (from 0x%08x length 0x%08x (%d)):\n", ~~~^ %08lx msg, m - start, length, length);~~ ~ ~~support.c:147:16: warning: format ‘%x’ expects argument of type ‘unsigned int’, but argument 2 has type ‘long int’ [-Wformat=] printf ("%08x ", (pm - m) + (m - start));~~ ~^ ~~~~~~ %08lx gcc -DHAVE_CONFIG_H -I. -I. -I.. -Wall -Wcast-align -Wpointer-arith -g -O2 -c version.c rm -f libcole.a ar cru libcole.a cole.o internal.o oledecod.o olecod.o support.o version.o ar: u' modifier ignored sinceD' is the default (see `U') ranlib libcole.a

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