4 files changed, 78 insertions, 0 deletions
diff --git a/newlib/libc/sys/linux/include/alloca.h b/newlib/libc/sys/linux/include/alloca.h
new file mode 100644
index 000000000..ba542627d
--- /dev/null
+++ b/newlib/libc/sys/linux/include/alloca.h
@@ -0,0 +1,13 @@
+/* libc/sys/linux/include/alloca.h - Allocate memory on stack */
+
+/* Written 2000 by Werner Almesberger */
+
+
+#ifndef _NEWLIB_ALLOCA_H
+#define _NEWLIB_ALLOCA_H
+
+/* Simple, since we know that we use gcc */
+
+#define alloca(size) __builtin_alloca(size)
+
+#endif
diff --git a/newlib/libc/sys/linux/include/getopt.h b/newlib/libc/sys/linux/include/getopt.h
new file mode 100644
index 000000000..994f86001
--- /dev/null
+++ b/newlib/libc/sys/linux/include/getopt.h
@@ -0,0 +1,27 @@
+/* libc/sys/linux/include/getopt.h - Extended command line parsing */
+
+/* Written 2000 by Werner Almesberger */
+
+
+#ifndef _NEWLIB_GETOPT_H
+#define _NEWLIB_GETOPT_H
+
+#include <unistd.h>
+
+
+enum { no_argument, required_argument, optional_argument };
+
+struct option {
+    const char *name;
+    int has_arg;
+    int *flag;
+    int val;
+};
+
+int getopt_long(int argc,char *const argv[],const char *optstring,
+  const struct option *longopts,int *longindex);
+
+int getopt_long_only(int argc,char *const argv[],const char *optstring,
+  const struct option *longopts,int *longindex);
+
+#endif
diff --git a/newlib/libc/sys/linux/include/stdint.h b/newlib/libc/sys/linux/include/stdint.h
new file mode 100644
index 000000000..5c89acd22
--- /dev/null
+++ b/newlib/libc/sys/linux/include/stdint.h
@@ -0,0 +1,18 @@
+/* libc/sys/linux/include/stdint.h - Standard integer types */
+
+/* Written 2000 by Werner Almesberger */
+
+
+#ifndef _NEWLIB_STDINT_H
+#define _NEWLIB_STDINT_H
+
+/*
+ * FIXME: linux/types.h defines various types that rightfully belong into
+ * stdint.h. So we have no choice but to include linux/types.h directly, even
+ * if this causes name space pollution. Note: we have to go via sys/types.h
+ * in order to resolve some other compatibility issues.
+ */
+
+#include <sys/types.h>
+
+#endif
diff --git a/newlib/libc/sys/linux/include/unistd.h b/newlib/libc/sys/linux/include/unistd.h
new file mode 100644
index 000000000..e2f562a3a
--- /dev/null
+++ b/newlib/libc/sys/linux/include/unistd.h
@@ -0,0 +1,20 @@
+/* libc/sys/linux/include/unistd.h - Various standard functions */
+
+/* Written 2000 by Werner Almesberger */
+
+
+#ifndef _NEWLIB_UNISTD_H
+#define _NEWLIB_UNISTD_H
+
+#include <sys/types.h>
+#include <sys/unistd.h>
+
+/* Declare some missing goodies */
+
+extern char *optarg;
+extern int optind, opterr, optopt;
+
+
+int readlink(const char *path, char *buf, size_t bufsiz);
+
+#endif