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diff --git a/CMakeLists.txt b/CMakeLists.txt
index 52629d3..a93c7e8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -241,13 +241,13 @@ if(NOT WIN32)
endif()
if(gperftools_enable_libunwind)
- check_include_file("libunwind.h" HAVE_LIBUNWIND_H)
+ find_package(PkgConfig REQUIRED)
+ pkg_check_modules(PC_LIBUNWIND libunwind REQUIRED)
+ find_file(HAVE_LIBUNWIND_H "libunwind.h" PATHS ${PC_LIBUNWIND_INCLUDE_DIRS} NO_DEFAULT_PATH REQUIRED)
if(HAVE_LIBUNWIND_H)
- find_library(libunwind_location NAMES unwind)
- if(libunwind_location)
- check_library_exists(
- unwind backtrace ${libunwind_location} have_libunwind)
- endif()
+ include_directories(${PC_LIBUNWIND_INCLUDE_DIRS})
+ set(libunwind_location "${PC_LIBUNWIND_LINK_LIBRARIES}" CACHE INTERNAL "")
+ set(have_libunwind 1)
if(have_libunwind)
set(unwind_libs ${libunwind_location})
set(will_use_libunwind ON)
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