Hi,<br><br>Here is a very basic ccanmath.h for a Mathematics Module, also the _info.c<br><br>Though I can do a run.c with a bit of backtracking, any ideas on how to fix the following ?:<br><br><br>$ make tools<br>gcc -g -O2 -Wall
-Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes
-Wmissing-declarations -Werror -I.&nbsp;&nbsp; -c -o tools/ccan_depends.o
tools/ccan_depends.c<br>In file included from tools/ccan_depends.c:2:<br>
tools/err.h:4:23: sys/cdefs.h: No such file or directory<br>In file included from tools/ccan_depends.c:2:<br>tools/err.h:9: error: syntax error before &quot;void&quot;<br>In file included from c:/mingw/bin/../lib/gcc/<div id=":19m" class="ArwC7c ckChnd">
mingw32/3.4.5/../../../../include/stdlib.h:21,<div class="Ih2E3d"><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; from tools/ccan_depends.c:3:<br></div>c:/mingw/bin/../lib/gcc/mingw32/3.4.5/include/stddef.h:213: error: syntax error before &quot;typedef&quot;<div class="Ih2E3d"><br>tools/ccan_depends.c: In function `main&#39;:<br>
tools/ccan_depends.c:26: warning: `errx&#39; is deprecated (declared at tools/err.h:11)<br>
make: *** [tools/ccan_depends.o] Error 1</div></div><br><br>Regards<br>Rupinder<br>