--- elfutils/libelf/common.h
+++ elfutils/libelf/common.h
@@ -155,7 +155,7 @@ libelf_release_all (Elf *elf)
   (Var) = (sizeof (Var) == 1						      \
 	   ? (unsigned char) (Var)					      \
 	   : (sizeof (Var) == 2						      \
-	      ? bswap_16 (Var)						      \
+	      ? (unsigned short int) bswap_16 (Var)			      \
 	      : (sizeof (Var) == 4					      \
 		 ? bswap_32 (Var)					      \
 		 : bswap_64 (Var))))
@@ -164,7 +164,7 @@ libelf_release_all (Elf *elf)
   (Dst) = (sizeof (Var) == 1						      \
 	   ? (unsigned char) (Var)					      \
 	   : (sizeof (Var) == 2						      \
-	      ? bswap_16 (Var)						      \
+	      ? (unsigned short int) bswap_16 (Var)			      \
 	      : (sizeof (Var) == 4					      \
 		 ? bswap_32 (Var)					      \
 		 : bswap_64 (Var))))
--- elfutils/src/findtextrel.c
+++ elfutils/src/findtextrel.c
@@ -488,7 +488,11 @@ ptrcompare (const void *p1, const void *
 
 
 static void
-check_rel (size_t nsegments, struct segments segments[nsegments],
+check_rel (size_t nsegments, struct segments segments[
+#if __GNUC__ >= 4
+						      nsegments
+#endif
+	   ],
 	   GElf_Addr addr, Elf *elf, Elf_Scn *symscn, Dwarf *dw,
 	   const char *fname, bool more_than_one, void **knownsrcs)
 {
--- elfutils/src/strings.c
+++ elfutils/src/strings.c
@@ -51,6 +51,10 @@
 
 #include <system.h>
 
+#ifndef MAP_POPULATE
+# define MAP_POPULATE 0
+#endif
+
 
 /* Prototypes of local functions.  */
 static int read_fd (int fd, const char *fname, off64_t fdlen);
@@ -491,8 +495,13 @@ map_file (int fd, off64_t start_off, off
 		    fd, start_off);
       if (mem != MAP_FAILED)
 	{
+#if !defined POSIX_MADV_SEQUENTIAL && defined MADV_SEQUENTIAL
+# define POSIX_MADV_SEQUENTIAL MADV_SEQUENTIAL
+#endif
+#ifdef POSIX_MADV_SEQUENTIAL
 	  /* We will go through the mapping sequentially.  */
 	  (void) posix_madvise (mem, map_size, POSIX_MADV_SEQUENTIAL);
+#endif
 	  break;
 	}
       if (errno != EINVAL && errno != ENOMEM)