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POC program compiling error
 

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    <p>I am trying to compile and install a program created in 1997. I am using gcc (GCC) 4.1.2 20080704 (Red Hat 4.1.2-50) and CentOS release 5.5 (Final). While trying to do a 'make' command while in the SOURCE directory of the program, I get the following error:</p> <pre><code>gcc -g -w -I/home/shahw/opinionfinder/software/scol1k/objs -I. -DDEBUG -DUNIX dump.c -L/home/shahw/opinionfinder/software/scol1k/objs -lscol -lm -o dump gcc -g -w -I/home/shahw/opinionfinder/software/scol1k/objs -I. -DDEBUG -DUNIX ngram.c -L/home/shahw/opinionfinder/software/scol1k/objs -lscol -lm -o ngram gcc -g -w -I/home/shahw/opinionfinder/software/scol1k/objs -I. -DDEBUG -DUNIX reg.c -L/home/shahw/opinionfinder/software/scol1k/objs -lscol -lm -o reg gcc -g -w -I/home/shahw/opinionfinder/software/scol1k/objs -I. -DDEBUG -DUNIX select.c -L/home/shahw/opinionfinder/software/scol1k/objs -lscol -lm -o select select.c: In function ‘select_lines’: select.c:84: error: invalid lvalue in increment make[1]: *** [select] Error 1 make[1]: Leaving directory `/home/shahw/opinionfinder/software/scol1k/tools' make: *** [modules] Error 2 </code></pre> <p>After initially considering this a c-code error, I tried to compile this on a Mac OSX 10.6.7 with i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5664). This time I got an error a step after the original error implying that there is definitely an incompatibility with the gcc version in play. This time the error was:</p> <pre><code>gcc -g -w -I/Users/shahjahanwarraich/Desktop/opinionfinderv1.5/software/scol1k/objs -I. -DDEBUG -DUNIX dump.c -L/Users/shahjahanwarraich/Desktop/opinionfinderv1.5/software/scol1k/objs -lscol -lm -o dump gcc -g -w -I/Users/shahjahanwarraich/Desktop/opinionfinderv1.5/software/scol1k/objs -I. -DDEBUG -DUNIX ngram.c -L/Users/shahjahanwarraich/Desktop/opinionfinderv1.5/software/scol1k/objs -lscol -lm -o ngram gcc -g -w -I/Users/shahjahanwarraich/Desktop/opinionfinderv1.5/software/scol1k/objs -I. -DDEBUG -DUNIX reg.c -L/Users/shahjahanwarraich/Desktop/opinionfinderv1.5/software/scol1k/objs -lscol -lm -o reg gcc -g -w -I/Users/shahjahanwarraich/Desktop/opinionfinderv1.5/software/scol1k/objs -I. -DDEBUG -DUNIX select.c -L/Users/shahjahanwarraich/Desktop/opinionfinderv1.5/software/scol1k/objs -lscol -lm -o select gcc -g -w -I/Users/shahjahanwarraich/Desktop/opinionfinderv1.5/software/scol1k/objs -I. -DDEBUG -DUNIX sents.c -L/Users/shahjahanwarraich/Desktop/opinionfinderv1.5/software/scol1k/objs -lscol -lm -o sents ld: duplicate symbol _Bos in /Users/shahjahanwarraich/Desktop/opinionfinderv1.5/software/scol1k/objs/libscol.a(cass.o) and /var/folders/F5/F5WuhlFlHcetJlreJ+GlMk+++TI/-Tmp-//ccjhIM0Y.o collect2: ld returned 1 exit status make[1]: *** [sents] Error 1 make: *** [modules] Error 2 </code></pre> <p>C programming and makefiles are completely alien to me so I really have no clue where to start. I can also provide any other information that will help in debugging this issue. </p> <p>select_lines method defined in select.c is as follows:</p> <pre><code>select_lines (int type, void *lines, int n, FILE *infile, FILE *outfile) { char line[1024]; int i, current = 0, target; struct entry *e; LinesA = make_aarray(SelectAlloc, sizeof(struct entry)); /** Scan in the lines **/ switch (type) { case LINESFILE: while (scan_int(target, lines) != EOF) { new_line(target); } break; case LINESLIST: for (; n &gt; 0; n--) { target = *((int *)lines)++; new_line(target); } break; case LINESRANGE: for (target = ((int *)lines)[0]; target &lt;= ((int *)lines)[1]; target++) { new_line(target); } break; default: error("select_lines: Bad type"); } Lines = (struct entry *) LinesA-&gt;contents; /** Sort by txt sequence **/ qsort(Lines, NLines, sizeof(struct entry), txtcmp); /** Extract lines **/ current = -1; for (i = 0; i &lt; NLines; i++) { target = Lines[i].txt; if (target &lt; current) error("sort failed"); if (current &lt; target) { /* careful: it's possible to select the same line twice */ while (++current &lt; target) { skip_line(infile); } if (scan_line(line, 1024, infile) == EOF) { fprintf(stderr, "Premature end of text file"); exit(1); } } Lines[i].line = copy_string(line); } /** Resort by smp sequence **/ qsort(Lines, NLines, sizeof(struct entry), smpcmp); /** Output **/ for (i = 0; i &lt; NLines; i++) { fprintf(outfile, "%s\n", Lines[i].line); } } </code></pre>
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    1. USJonathan Leffler
    1. USShah W
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    1. COPost lines 80-90 of select.c
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      1. USWilliam Pursell
    2. CO@William Pursell. Question has been updated with the select_lines function. Thanks.
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      1. USShah W
 

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