Re: [PATCH 01/18] Add a function to solve least-cost assignment problems

> On Thu, May 3, 2018 at 5:30 PM, Johannes Schindelin
> <johannes.schindelin@gmx.de> wrote:
> > +       /* reduction transfer */
> > +       free_row = xmalloc(sizeof(int) * row_count);
> > +       for (int i = 0; i < row_count; i++) {
> 
> travis complains about this
> 
> 
> hungarian.c: In function ‘compute_assignment’:
> hungarian.c:47:11: error: redeclaration of ‘i’ with no linkage
>   for (int i = 0; i < row_count; i++) {
>            ^
> hungarian.c:21:6: note: previous declaration of ‘i’ was here
>   int i, j, phase;
>       ^
> hungarian.c:47:2: error: ‘for’ loop initial declarations are only
> allowed in C99 mode
>   for (int i = 0; i < row_count; i++) {
>   ^
> hungarian.c:47:2: note: use option -std=c99 or -std=gnu99 to compile your code