diff --git a/Makefile b/Makefile
index b5d9e7c..111b67f 100644
--- a/Makefile
+++ b/Makefile
@@ -44,6 +44,11 @@ else
   HDR := $(filter-out athr_terminal_win32.h,$(SRC))
 endif
 
+ifeq ($(CURSES_FOUND),false)
+  SRC := $(filter-out athr_terminal_curses.c,$(SRC))
+  HDR := $(filter-out athr_terminal_curses.h,$(SRC))
+endif
+
 CFLAGS += -DATHR_TERMINAL_WIN32=$(ATHR_TERMINAL_WIN32)
 CFLAGS += -DATHR_TERMINAL_CURSES=$(ATHR_TERMINAL_CURSES)
 CFLAGS += -DATHR_TERMINAL_IOCTL=$(ATHR_TERMINAL_IOCTL)
diff --git a/athr_terminal_ioctl.c b/athr_terminal_ioctl.c
index 2922073..c5f8b97 100644
--- a/athr_terminal_ioctl.c
+++ b/athr_terminal_ioctl.c
@@ -1,3 +1,8 @@
+#if !defined(_POSIX_C_SOURCE) || _POSIX_C_SOURCE < 200809L
+#undef _POSIX_C_SOURCE
+#define _POSIX_C_SOURCE 200809L
+#endif
+
 #include "athr_terminal_ioctl.h"
 #include "athr_logger.h"
 #include "athr_terminal.h"