Don't strip debug symbols.

Index: CMakeLists.txt
--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -155,6 +155,7 @@ elseif(NOT EMSCRIPTEN AND NOT ANDROID AND NOT IOS)
     find_package(Libgit2 REQUIRED)
     find_package(Pugixml REQUIRED)
     find_package(SDL2 REQUIRED)
+    use_pkgconfig(lunasvg lunasvg)
 endif()
 
 # Add libCEC support.
@@ -225,7 +226,7 @@ else()
         if(APPLE)
             set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -O2")
         else()
-            set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -O2 -s")
+            set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS}")
         endif()
     endif()
 endif()
@@ -540,7 +541,8 @@ else()
                             ${HarfBuzz_INCLUDE_DIRS}
                             ${ICU_INCLUDE_DIRS}
                             ${PUGIXML_INCLUDE_DIRS}
-                            ${SDL2_INCLUDE_DIR})
+                            ${SDL2_INCLUDE_DIR}
+                            ${lunasvg_INCLUDE_DIRS})
 endif()
 
 # Add libCEC include directory.
@@ -694,7 +696,8 @@ else()
                          ${HarfBuzz_LIBRARIES}
                          ${ICU_LIBRARIES}
                          ${PUGIXML_LIBRARIES}
-                         ${SDL2_LIBRARY})
+                         ${SDL2_LIBRARY}
+                         ${lunasvg_LINK_LIBRARIES})
     if(Intl_LIBRARY)
         # On Unix systems where the gettext functions are not part of the C standard library
         # we need to explicitly link with the libintl library.
@@ -711,7 +714,6 @@ if(NOT WIN32)
         set(COMMON_LIBRARIES ${COMMON_LIBRARIES} ${PROJECT_SOURCE_DIR}/${CMAKE_BUILD_TYPE}/liblunasvg.a)
         set(COMMON_LIBRARIES ${COMMON_LIBRARIES} ${PROJECT_SOURCE_DIR}/${CMAKE_BUILD_TYPE}/librlottie.a)
     else()
-        set(COMMON_LIBRARIES ${COMMON_LIBRARIES} ${PROJECT_SOURCE_DIR}/liblunasvg.a)
         set(COMMON_LIBRARIES ${COMMON_LIBRARIES} ${PROJECT_SOURCE_DIR}/librlottie.a)
     endif()
 endif()
@@ -769,9 +771,6 @@ add_subdirectory(es-pdf-converter)
 add_subdirectory(external)
 add_subdirectory(es-core)
 add_subdirectory(es-app)
-
-# Make sure that es-pdf-convert is built first, and then that rlottie is built before es-core.
-add_dependencies(lunasvg es-pdf-convert)
 
 if(COMPILE_LOCALIZATIONS)
     add_dependencies(es-pdf-convert localization)
