5207f76629
Use C11 compiler:
checking for libltdl flags... set explicitly: -I/usr/local/include -L/usr/local/lib -lltdl
Switch to C99:
docupen/calibration.c:31:2: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
31 | for (unsigned int i = 0; i < sizeof(struct lut); i++) {
| ^~~