From 28334c7a290fbdcdefc19bdc0d6230bf7a1f615b Mon Sep 17 00:00:00 2001
From: Masamichi Takagi <masamichi.takagi@riken.jp>
Date: Sat, 20 Jun 2020 08:20:12 +0900
Subject: [PATCH] cmake: treat libdwarf as required library when
 cross-compiling

Change-Id: I23ffb46c867b05de0e732c96912d62c630ebb44c
---
 CMakeLists.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9faa9576..33abdfb9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -139,6 +139,9 @@ endif()
 find_library(LIBDWARF dwarf)
 
 if (NOT LIBDWARF)
+	if (CMAKE_CROSSCOMPILING)
+		message(FATAL_ERROR "Could not find libdwarf.so, install libdwarf-devel to ${CMAKE_FIND_ROOT_PATH}")
+	endif()
 	message("WARNING: libdwarf will be compiled locally")
 	enable_language(CXX)
 else()