39 lines
764 B
C
39 lines
764 B
C
#define _POSIX_C_SOURCE 200112L
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#define _FEATURE_CONFIG
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#include <stdio.h>
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#include "config.h"
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#define QUOTE(m) #m
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#define PUT_MACRO(m) \
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printf(" -D%s=%s", #m, QUOTE(m))
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inline int puts_if(const char *s, int c) {
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return c ? printf(" %s", s) : 0;
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}
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int main(int argc, char **argv) {
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int i;
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unsigned int n = 0;
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for (i = 1; i < argc; i++) {
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switch ((argv[i][0] != '-' || argv[i][2] != '\0') ? -1 : argv[i][1]) {
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case 'D':
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n += PUT_MACRO(EXIF_SUPPORT);
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n += PUT_MACRO(GIF_SUPPORT);
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break;
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case 'l':
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n += puts_if("-lexif", EXIF_SUPPORT);
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n += puts_if("-lgif", GIF_SUPPORT);
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break;
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default:
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fprintf(stderr, "%s: invalid argument: %s\n", argv[0], argv[i]);
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return 1;
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}
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}
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if (n > 0)
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printf("\n");
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return 0;
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}
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