opt: fix libmusl compile.

[ccan] / tools / configurator / configurator.c

diff --git a/tools/configurator/configurator.c b/tools/configurator/configurator.c
index 6ec30bd6deb77596fde041983175f4eaa117741d..52c0243b4b99c7cdc6eaace528463d344743ef43 100644 (file)
--- a/tools/configurator/configurator.c
+++ b/tools/configurator/configurator.c
@@ -315,6 +315,8 @@ static struct test tests[] = {
          "#include <sys/filio.h>\n" },
        { "HAVE_SYS_TERMIOS_H", OUTSIDE_MAIN, NULL, NULL,
          "#include <sys/termios.h>\n" },
+       { "HAVE_SYS_UNISTD_H", OUTSIDE_MAIN, NULL, NULL,
+         "#include <sys/unistd.h>\n" },
        { "HAVE_TYPEOF", INSIDE_MAIN, NULL, NULL,
          "__typeof__(argc) i; i = argc; return i == argc ? 0 : 1;" },
        { "HAVE_UNALIGNED_ACCESS", DEFINES_EVERYTHING|EXECUTE, NULL, NULL,