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From 9c37e644d96de108d931a6bcce1819a666ae91d8 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Wed, 11 Dec 2019 10:23:15 -0800
Subject: [PATCH] libclang: Use CMAKE_DL_LIBS for deducing libdl
This helps in getting right settings for libdl irrespective of platform
it also fixes build with -DLLVM_BUILD_LLVM_DYLIB=ON -DLLVM_LINK_LLVM_DYLIB=ON
Fixes
tools/clang/tools/libclang/CMakeFiles/libclang.dir/CIndexer.cpp.o: In function clang::CIndexer::getClangResourcesPath[abi:cxx11]()': 2019-12-06T06:04:39.2987601Z | CIndexer.cpp:(.text._ZN5clang8CIndexer21getClangResourcesPathB5cxx11Ev+0x8b): undefined reference to dladdr'
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
clang/tools/libclang/CMakeLists.txt | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/clang/tools/libclang/CMakeLists.txt b/clang/tools/libclang/CMakeLists.txt
index 613ead1a36b..9d5cd0ba9df 100644
--- a/clang/tools/libclang/CMakeLists.txt
+++ b/clang/tools/libclang/CMakeLists.txt
@@ -58,9 +58,8 @@ if (TARGET clangTidyPlugin)
endif()
endif ()
-find_library(DL_LIBRARY_PATH dl)
-if (DL_LIBRARY_PATH)
- list(APPEND LIBS dl)
+if (HAVE_LIBDL)
+ list(APPEND LIBS ${CMAKE_DL_LIBS})
endif()
option(LIBCLANG_BUILD_STATIC
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