With regard to this, the libredwg library needs to be explicitly compiled in by appending "-lredwg" onto the end of the command string.
gcc -Wall -g -pedantic -std=gnu99 dwgout.c -o dwgout -lredwg Perhaps this should be incorporated into the README? ~ Dave On Wed, Dec 18, 2019 at 8:04 PM Dave Coventry <dgcoven...@gmail.com> wrote: > > I'm trying to write a small program to test libredwg, but am having > difficulty in compiling my code. > > gcc -o dwgout dwgout.c > > which gives me a series of errors: > > /usr/bin/ld: /tmp/cc2cJQDl.o: in function `output_BLOCK_HEADER': > dwgout.c:(.text+0x253): undefined reference to `get_first_owned_entity' > /usr/bin/ld: dwgout.c:(.text+0x27b): undefined reference to > `get_next_owned_entity' > /usr/bin/ld: /tmp/cc2cJQDl.o: in function `output_SVG': > dwgout.c:(.text+0x2cc): undefined reference to `dwg_model_x_max' > /usr/bin/ld: dwgout.c:(.text+0x2e3): undefined reference to `dwg_model_x_min' > /usr/bin/ld: dwgout.c:(.text+0x30a): undefined reference to `dwg_model_y_max' > /usr/bin/ld: dwgout.c:(.text+0x321): undefined reference to `dwg_model_y_min' > /usr/bin/ld: dwgout.c:(.text+0x438): undefined reference to `dwg_model_x_min' > /usr/bin/ld: dwgout.c:(.text+0x453): undefined reference to `dwg_model_y_min' > /usr/bin/ld: /tmp/cc2cJQDl.o: in function `main': > dwgout.c:(.text+0x71f): undefined reference to `dwg_read_file' > collect2: error: ld returned 1 exit status > > My program seems to see "dwg.h", but it doesn't seem to see "dwg.c". > > I'm not sure why this is.
