apenwarr-redo/docs/cookbook/c/rc/posix.rc.od
Avery Pennarun 1a3c11f220 redoconf: a stub rc_include() now sources ./redoconf.rc automatically.
This lets us remove the awkward ". ./redoconf.rc" line from zillions
of .od scripts, without paying the price of *always* including that
whole file every time default.do.sh is used.
2019-03-02 04:24:58 -05:00

19 lines
281 B
Text

rc_include rc/CC.rc
prog='
#include <time.h>
struct timespec x;
'
x=
rc_replaceln HAVE_POSIX 1
if ! rc_compile cc link "$prog"; then
x="-D_XOPEN_SOURCE=500"
rc_appendln CPPFLAGS "$x"
if ! rc_compile cc link "$prog"; then
rc_undo
rc_replaceln HAVE_POSIX ""
fi
fi
rc_save