--- /dev/null
+--- a/configure.ac
++++ b/configure.ac
+@@ -80,6 +80,20 @@ gl_VISIBILITY
+ AC_CHECK_HEADERS([sys/klog.h])
+ AC_CHECK_FUNCS([klogctl])
+
++AC_CACHE_CHECK([for ioctl with POSIX signature],
++ [gl_cv_func_ioctl_posix_signature],
++ [AC_COMPILE_IFELSE(
++ [AC_LANG_PROGRAM(
++ [[#include <sys/ioctl.h>]],
++ [[int ioctl (int, int, ...);]])
++ ],
++ [gl_cv_func_ioctl_posix_signature=yes],
++ [gl_cv_func_ioctl_posix_signature=no])
++ ])
++if test "x$gl_cv_func_ioctl_posix_signature" = xyes; then
++ AC_DEFINE([HAVE_POSIX_IOCTL], [1], [Have ioctl with POSIX signature])
++fi
++
+ # Check host os
+ case "$host_os" in
+ linux*)
--- /dev/null
+--- a/lib/libv4lconvert/libv4lsyscall-priv.h
++++ b/lib/libv4lconvert/libv4lsyscall-priv.h
+@@ -35,14 +35,19 @@
+ which is broken on some systems and doesn't include them itself :( */
+
+ #ifdef linux
++#define __NEED_off_t
+ #include <sys/time.h>
+ #include <syscall.h>
+ #include <linux/types.h>
+ #include <linux/ioctl.h>
+ /* On 32 bits archs we always use mmap2, on 64 bits archs there is no mmap2 */
+ #ifdef __NR_mmap2
++#undef SYS_mmap2
+ #define SYS_mmap2 __NR_mmap2
+ #define MMAP2_PAGE_SHIFT 12
++#if !(defined(__UCLIBC__) || defined(__GLIBC__))
++typedef off_t __off_t;
++#endif
+ #else
+ #define SYS_mmap2 SYS_mmap
+ #define MMAP2_PAGE_SHIFT 0
+--- a/lib/libv4l1/v4l1compat.c
++++ b/lib/libv4l1/v4l1compat.c
+@@ -62,7 +62,7 @@ LIBV4L_PUBLIC int open(const char *file,
+ return fd;
+ }
+
+-#ifdef linux
++#if defined(linux) && (defined(__GLIBC__) || defined(__UCLIBC__))
+ LIBV4L_PUBLIC int open64(const char *file, int oflag, ...)
+ {
+ int fd;
+@@ -94,7 +94,11 @@ LIBV4L_PUBLIC int dup(int fd)
+ return v4l1_dup(fd);
+ }
+
++#ifdef HAVE_POSIX_IOCTL
++LIBV4L_PUBLIC int ioctl(int fd, int request, ...)
++#else
+ LIBV4L_PUBLIC int ioctl(int fd, unsigned long int request, ...)
++#endif
+ {
+ void *arg;
+ va_list ap;
+@@ -112,12 +116,12 @@ LIBV4L_PUBLIC ssize_t read(int fd, void
+ }
+
+ LIBV4L_PUBLIC void *mmap(void *start, size_t length, int prot, int flags, int fd,
+- __off_t offset)
++ off_t offset)
+ {
+ return v4l1_mmap(start, length, prot, flags, fd, offset);
+ }
+
+-#ifdef linux
++#if defined(linux) && (defined(__GLIBC__) || defined(__UCLIBC__))
+ LIBV4L_PUBLIC void *mmap64(void *start, size_t length, int prot, int flags, int fd,
+ __off64_t offset)
+ {
+--- a/lib/libv4l2/v4l2convert.c
++++ b/lib/libv4l2/v4l2convert.c
+@@ -86,7 +86,7 @@ LIBV4L_PUBLIC int open(const char *file,
+ return fd;
+ }
+
+-#ifdef linux
++#if defined(linux) && (defined(__GLIBC__) || defined(__UCLIBC__))
+ LIBV4L_PUBLIC int open64(const char *file, int oflag, ...)
+ {
+ int fd;
+@@ -121,7 +121,11 @@ LIBV4L_PUBLIC int dup(int fd)
+ return v4l2_dup(fd);
+ }
+
++#ifdef HAVE_POSIX_IOCTL
++LIBV4L_PUBLIC int ioctl(int fd, int request, ...)
++#else
+ LIBV4L_PUBLIC int ioctl(int fd, unsigned long int request, ...)
++#endif
+ {
+ void *arg;
+ va_list ap;
+@@ -144,7 +148,7 @@ LIBV4L_PUBLIC void *mmap(void *start, si
+ return v4l2_mmap(start, length, prot, flags, fd, offset);
+ }
+
+-#ifdef linux
++#if defined(linux) && (defined(__GLIBC__) || defined(__UCLIBC__))
+ LIBV4L_PUBLIC void *mmap64(void *start, size_t length, int prot, int flags, int fd,
+ __off64_t offset)
+ {