| 1 | #define _POSIX_C_SOURCE 200112L |
| 2 | #define _FEATURE_CONFIG |
| 3 | |
| 4 | #include <stdio.h> |
| 5 | |
| 6 | #include "config.h" |
| 7 | |
| 8 | #define QUOTE(m) #m |
| 9 | #define PUT_MACRO(m) \ |
| 10 | printf(" -D%s=%s", #m, QUOTE(m)) |
| 11 | |
| 12 | int puts_if(const char *s, int c) { |
| 13 | return c ? printf(" %s", s) : 0; |
| 14 | } |
| 15 | |
| 16 | int main(int argc, char **argv) { |
| 17 | int i; |
| 18 | unsigned int n = 0; |
| 19 | |
| 20 | for (i = 1; i < argc; i++) { |
| 21 | switch ((argv[i][0] != '-' || argv[i][2] != '\0') ? -1 : argv[i][1]) { |
| 22 | case 'D': |
| 23 | n += PUT_MACRO(EXIF_SUPPORT); |
| 24 | n += PUT_MACRO(GIF_SUPPORT); |
| 25 | break; |
| 26 | case 'l': |
| 27 | n += puts_if("-lexif", EXIF_SUPPORT); |
| 28 | n += puts_if("-lgif", GIF_SUPPORT); |
| 29 | break; |
| 30 | default: |
| 31 | fprintf(stderr, "%s: invalid argument: %s\n", argv[0], argv[i]); |
| 32 | return 1; |
| 33 | } |
| 34 | } |
| 35 | if (n > 0) |
| 36 | printf("\n"); |
| 37 | return 0; |
| 38 | } |