[PATCH dwarves] cmake: make libbpf's Linux UAPI headers available to all binaries

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Now that libbpf is used to implement deduplicated strings container, all of
the binaries will need linux/btf.h header to compile properly. libbpf is
distributed with its own copies of Linux UAPI headers, so use them during
compilation.

Signed-off-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
---
 CMakeLists.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8e9fe4710a0c..84693514e0c8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,9 @@ project(pahole C)
 cmake_minimum_required(VERSION 2.8.8)
 cmake_policy(SET CMP0005 NEW)
 
-INCLUDE_DIRECTORIES( ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR} )
+INCLUDE_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR}
+		    ${CMAKE_CURRENT_SOURCE_DIR}
+		    ${CMAKE_CURRENT_SOURCE_DIR}/lib/bpf/include/uapi)
 
 # Try to parse this later, Helio just showed me a KDE4 example to support
 # x86-64 builds.
-- 
2.24.1




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