From b4e9bdcd4daa09e27e112979750d1f85e3c5496e Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor.andersson@artifex.com>
Date: Mon, 7 May 2018 16:01:27 +0200
Subject: Add script to find unused functions.

---
 Makerules             | 2 +-
 scripts/findunused.sh | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)
 create mode 100644 scripts/findunused.sh

diff --git a/Makerules b/Makerules
index 1e93d3e3..344d07cd 100644
--- a/Makerules
+++ b/Makerules
@@ -22,7 +22,7 @@ SANITIZE_FLAGS += -fsanitize=leak
 
 ifeq ($(build),debug)
   CFLAGS += -pipe -g
-  LDFLAGS += -g
+  LDFLAGS += -g $(LDREMOVEUNREACH)
 else ifeq ($(build),release)
   CFLAGS += -pipe -O2 -DNDEBUG -fomit-frame-pointer
   LDFLAGS += $(LDREMOVEUNREACH) -Wl,-s
diff --git a/scripts/findunused.sh b/scripts/findunused.sh
new file mode 100644
index 00000000..e5b2af94
--- /dev/null
+++ b/scripts/findunused.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+make build=debug -j4
+rm -f build/debug/mutool build/debug/mupdf-gl
+make build=debug XLIBS=-Wl,--print-gc-sections build/debug/mutool 2>&1 | grep 'libmupdf\.' | sort > build/debug/mutool.gc
+make build=debug XLIBS=-Wl,--print-gc-sections build/debug/mupdf-gl 2>&1 | grep 'libmupdf\.' | sort >build/debug/mupdf-gl.gc
+comm -12 build/debug/mutool.gc build/debug/mupdf-gl.gc
-- 
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