Find the include directory for libunwind.h.

This allows finding libunwind that has been installed in a non-standard location
just by setting CMAKE_PREFIX_PATH.

diff --git a/src/libbacktrace/CMakeLists.txt b/src/libbacktrace/CMakeLists.txt
index 4b3d4d11061600897f313970b2b1e2f521fe3767..544039a12763a9fe15e3b17c028c41aa14fe4d85 100644 (file)
--- a/src/libbacktrace/CMakeLists.txt
+++ b/src/libbacktrace/CMakeLists.txt
@@ -149,12 +149,15 @@ configure_file (backtrace-supported.h.in backtrace-supported.h)
 
 configure_file (config.h.in.cmake config.h)
 
+find_path(LIBUNWIND_INCLUDE_DIR libunwind.h)
+
 include_directories (BEFORE
     ${CMAKE_CURRENT_BINARY_DIR}
 )
 include_directories (
     auxincl
     ${SRC_DIR}/voglcore
+    ${LIBUNWIND_INCLUDE_DIR}
 )
 add_library (backtrace STATIC EXCLUDE_FROM_ALL
     ${BACKTRACE_FILE}