fix backtrace detection in CMake

works on arch (glibc) and void linux (tested with musl libc) now

2 files changed, 9 insertions, 3 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index bb13ef96..4c349865 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -61,9 +61,9 @@ find_package(PAM)
 
 find_package(Backtrace)
 if(Backtrace_FOUND)
-  include_directories(${Backtrace_INCLUDE_DIRS})
-  target_link_libraries(${Backtrace_LIBRARIES})
+  include_directories("${Backtrace_INCLUDE_DIRS}")
   add_definitions(-DSWAY_Backtrace_FOUND=1)
+  set(LINK_LIBRARIES, "${LINK_LIBRARIES} ${Backtrace_LIBRARIES}")
   set(SWAY_Backtrace_HEADER "${Backtrace_HEADER}")
 endif()
 
diff --git a/common/CMakeLists.txt b/common/CMakeLists.txt
index 95617e15..38767249 100644
--- a/common/CMakeLists.txt
+++ b/common/CMakeLists.txt
@@ -1,5 +1,4 @@
 add_library(sway-common
-        ${SWAY_Backtrace_HEADER}
         ipc-client.c
         list.c
         log.c
@@ -7,3 +6,10 @@ add_library(sway-common
         readline.c
         stringop.c
         )
+
+if(Backtrace_FOUND)
+        set_target_properties(sway-common
+                PROPERTIES
+                COMPILE_FLAGS "-include ${Backtrace_HEADER}"
+                )
+endif()