From 296be108bd0b39c719f500a5b58615a12edb41e1 Mon Sep 17 00:00:00 2001
From: Sylvestre Ledru <sylvestre@debian.org>
Date: Sat, 26 Aug 2017 15:07:46 +0000
Subject: [PATCH] Disable -gsplit-dwarf when using gcc 7 for causing a linking
 issue See https://bugs.llvm.org/show_bug.cgi?id=34140 (Closes: #853526)

---
 debian/changelog | 3 +++
 debian/rules     | 4 ++++
 2 files changed, 7 insertions(+)

diff --git a/debian/changelog b/debian/changelog
index 09fbb066..d3223ca5 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -3,6 +3,9 @@ llvm-toolchain-4.0 (1:4.0.1-2) unstable; urgency=medium
   * Rebuild with gcc 7 to fix a relocation error (Closes: #866354)
   * ld.lld manpage wasn't installed
   * Link LLDB with -latomic on powerpcspe (Closes: #872267)
+  * Disable -gsplit-dwarf when using gcc 7 for causing a linking issue
+    See https://bugs.llvm.org/show_bug.cgi?id=34140
+    (Closes: #853526)
 
   [ Katsuhiko Nishimra ]
   * Ensure /usr/bin/g++-$(GCC_VERSION) exists (Closes: #871591)
diff --git a/debian/rules b/debian/rules
index b2edeebc..d4539f27 100755
--- a/debian/rules
+++ b/debian/rules
@@ -38,8 +38,12 @@ endif
 ifeq ($(shell dpkg --compare-versions $(shell dpkg-query -W -f '$${Version}' binutils) ge 2.22.52.0.4 ; echo $$?),0)
 # when using -gsplit-dwarf, it will requires extract-dwo which doesn't exist on precise:
 # More: https://llvm.org/bugs/show_bug.cgi?id=28841
+ifeq ($(shell dpkg --compare-versions $(shell dpkg-query -W -f '$${Version}' g++-$(GCC_VERSION)) lt 7.1.0-7~ ; echo $$?),0)
+# Do not pass -gsplit-dwarf with gcc 7. This is causing some linking issues
+# More: https://bugs.llvm.org/show_bug.cgi?id=34140
 CXXFLAGS_EXTRA += -gsplit-dwarf
 endif
+endif
 
 
 ifeq ($(shell dpkg --compare-versions $(shell dpkg-query -W -f '$${Version}' g++-$(GCC_VERSION)) lt 4.7.2-10~ ; echo $$?),0)