From 7cea64284d1326d05039b76648cf113040889b10 Mon Sep 17 00:00:00 2001
From: ice0 <konoplin@gmail.com>
Date: Feb 21 2020 13:31:12 +0000
Subject: libmng made optional, fixed build using 2-build-cmake.sh


---

diff --git a/synfig-core/src/CMakeLists.txt b/synfig-core/src/CMakeLists.txt
index 0880974..3402142 100644
--- a/synfig-core/src/CMakeLists.txt
+++ b/synfig-core/src/CMakeLists.txt
@@ -33,7 +33,8 @@ pkg_check_modules(MLT REQUIRED mlt++)
 pkg_check_modules(FFTW REQUIRED fftw3)
 pkg_check_modules(FT REQUIRED freetype2) # for lyr_freetype
 pkg_check_modules(LIBPNG REQUIRED libpng) # for mod_png
-pkg_check_modules(LIBMNG REQUIRED libmng) # for mod_mng
+#TODO(ice0): find solution for libmng
+pkg_check_modules(LIBMNG libmng) # for mod_mng (set as optional as it is not correctly installed in Debian)
 pkg_check_modules(LIBJPEG REQUIRED libjpeg) # for mod_mng
 pkg_check_modules(OPENEXR REQUIRED OpenEXR) # for mod_openexr
 pkg_check_modules(MAGICKCORE REQUIRED MagickCore) # for Magick++
diff --git a/synfig-studio/src/CMakeLists.txt b/synfig-studio/src/CMakeLists.txt
index 033ea71..6f084a3 100644
--- a/synfig-studio/src/CMakeLists.txt
+++ b/synfig-studio/src/CMakeLists.txt
@@ -21,6 +21,7 @@ include(FindPkgConfig)
 pkg_check_modules(SIGCPP REQUIRED sigc++-2.0)
 pkg_check_modules(GTKMM REQUIRED gtkmm-3.0)
 pkg_check_modules(LIBXML REQUIRED libxml++-2.6)
+pkg_check_modules(MLT REQUIRED mlt++) # required for widget_soundwave
 
 ##
 ## Config
diff --git a/synfig-studio/src/gui/CMakeLists.txt b/synfig-studio/src/gui/CMakeLists.txt
index 3edf51f..3d43018 100644
--- a/synfig-studio/src/gui/CMakeLists.txt
+++ b/synfig-studio/src/gui/CMakeLists.txt
@@ -71,9 +71,13 @@ include(trees/CMakeLists.txt)
 include(widgets/CMakeLists.txt)
 include(workarearenderer/CMakeLists.txt)
 
+target_include_directories(synfigstudio PRIVATE ${MLT_INCLUDE_DIRS}) # required for widget_soundwave
+
 target_link_libraries(synfigstudio
     ${GTKMM_LIBRARIES}
     ${Gettext_LIBRARIES}
+    ${MLT_LIBRARIES} # required for widget_soundwave
+    ${LIBXML_LIBRARIES} # required for gui/pluginmanager
     synfig
     synfigapp
 )