From bfc3db32d26cbf6d1aa96aa0fd9a82aa5576ba17 Mon Sep 17 00:00:00 2001
From: Tuomas Tynkkynen <tuomas@tuxera.com>
Date: Wed, 19 Apr 2017 17:14:19 +0300
Subject: Improve error message when run on statically linked binaries

If .dynamic, .dynstr or .interp sections aren't found, give an extra hint
to the user that the input file is statically linked.
---
 src/patchelf.cc | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/patchelf.cc b/src/patchelf.cc
index bfd9cc1..6363395 100644
--- a/src/patchelf.cc
+++ b/src/patchelf.cc
@@ -557,8 +557,12 @@ template<ElfFileParams>
 Elf_Shdr & ElfFile<ElfFileParamNames>::findSection(const SectionName & sectionName)
 {
     Elf_Shdr * shdr = findSection2(sectionName);
-    if (!shdr)
-        error("cannot find section '" + sectionName + "'");
+    if (!shdr) {
+        std::string extraMsg = "";
+        if (sectionName == ".interp" || sectionName == ".dynamic" || sectionName == ".dynstr")
+            extraMsg = ". The input file is most likely statically linked";
+        error("cannot find section '" + sectionName + "'" + extraMsg);
+    }
     return *shdr;
 }
 
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