1 files changed, 22 insertions, 0 deletions
diff --git a/src/patchelf.cc b/src/patchelf.cc
index d5175a2..435e157 100644
--- a/src/patchelf.cc
+++ b/src/patchelf.cc
@@ -80,6 +80,8 @@ private:
         }
     };
     
+    friend CompShdr;
+
     void sortShdrs();
 
     void shiftFile(unsigned int extraPages, Elf_Addr startPage);
@@ -138,6 +140,26 @@ private:
 };
 
 
+/* Some old versions of elf.h lack some required macros, so define
+   them if they're missing. */
+#ifndef ELFMAG
+#define ELFMAG          "\177ELF"
+#define SELFMAG         4
+#endif
+
+#ifndef DT_VERNEED
+#define DT_VERNEED      0x6ffffffe
+#endif
+
+#ifndef DT_VERNEEDNUM
+#define DT_VERNEEDNUM   0x6fffffff
+#endif
+
+#ifndef DT_VERSYM
+#define DT_VERSYM       0x6ffffff0
+#endif
+
+
 static void debug(const char * format, ...)
 {
     if (debugMode) {