From 58a0c41713a43641143fac157219966d3f38c4c8 Mon Sep 17 00:00:00 2001
From: bubnikv <bubnikv@gmail.com>
Date: Wed, 19 Sep 2018 13:12:57 +0200
Subject: [PATCH 01/10] Fixed compilation on OSX & Linux

---
 CMakeLists.txt     | 4 ----
 src/CMakeLists.txt | 9 +++++++--
 xs/CMakeLists.txt  | 6 ++----
 3 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 80aa7ff083..84f6bcbd5d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -287,9 +287,5 @@ endif ()
 add_test (NAME xs COMMAND "${PERL_EXECUTABLE}" ${PERL_PROVE} -I ${PROJECT_SOURCE_DIR}/local-lib/lib/perl5 WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/xs)
 add_test (NAME integration COMMAND "${PERL_EXECUTABLE}" ${PERL_PROVE} WORKING_DIRECTORY ${PROJECT_SOURCE_DIR})
 
-#install(PROGRAMS slic3r.pl DESTINATION bin RENAME slic3r-prusa3d)
-
 file(GLOB MyVar var/*.png)
 install(FILES ${MyVar} DESTINATION share/slic3r-prusa3d)
-install(FILES lib/Slic3r.pm DESTINATION lib/slic3r-prusa3d)
-install(DIRECTORY lib/Slic3r DESTINATION lib/slic3r-prusa3d)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index d0c0082937..7d184c59fe 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -36,11 +36,9 @@ else()
     add_subdirectory(png/zlib)
     set(ZLIB_INCLUDE_DIR ${PROJECT_SOURCE_DIR}/png/zlib ${CMAKE_CURRENT_BINARY_DIR}/png/zlib)
     include_directories(${ZLIB_INCLUDE_DIR})
-    message(STATUS "ZLIB_INCLUDE_DIR ${ZLIB_INCLUDE_DIR}")
     add_subdirectory(png/libpng)
     set_target_properties(zlibstatic PROPERTIES POSITION_INDEPENDENT_CODE ON)
     set_target_properties(png_static PROPERTIES POSITION_INDEPENDENT_CODE ON)
-#	target_include_directories(png_static PRIVATE ${ZLIB_INCLUDE_DIR})
     set(PNG_LIBRARIES png_static zlibstatic)
     set(PNG_INCLUDE_DIRS ${ZLIB_INCLUDE_DIR} ${PROJECT_SOURCE_DIR}/png/libpng ${CMAKE_CURRENT_BINARY_DIR}/png/libpng)
 endif()
@@ -51,6 +49,13 @@ add_subdirectory(slic3r)
 # Create a slic3r executable
 add_executable(slic3r slic3r.cpp)
 target_link_libraries(slic3r libslic3r libslic3r_gui ${wxWidgets_LIBRARIES} ${CURL_LIBRARIES})
+if (APPLE)
+#    add_compile_options(-stdlib=libc++)
+#    add_definitions(-DBOOST_THREAD_DONT_USE_CHRONO -DBOOST_NO_CXX11_RVALUE_REFERENCES -DBOOST_THREAD_USES_MOVE)
+    target_link_libraries(XS "-framework IOKit" "-framework CoreFoundation" -lc++)
+elseif (NOT MSVC)
+    target_link_libraries(XS -lstdc++)
+endif ()
 # Add the OpenGL and GLU libraries.
 if (SLIC3R_GUI)
     if (MSVC)
diff --git a/xs/CMakeLists.txt b/xs/CMakeLists.txt
index 92964c900a..8756d98ebd 100644
--- a/xs/CMakeLists.txt
+++ b/xs/CMakeLists.txt
@@ -97,7 +97,7 @@ if(SLIC3R_PROFILE)
     target_link_libraries(XS Shiny)
 endif()
 
-target_include_directories(XS PRIVATE src src/libslic3r) # Local include directories
+target_include_directories(XS PRIVATE src)
 target_compile_definitions(XS PRIVATE -DSLIC3RXS)
 set_target_properties(XS PROPERTIES PREFIX "") # Prevent cmake from generating libXS.so instead of XS.so
 
@@ -157,7 +157,7 @@ target_link_libraries(XS ${EXPAT_LIBRARIES})
 # target_link_libraries(XS ${GLEW_LIBRARIES})
 
 # Install the XS.pm and XS.{so,dll,bundle} into the local-lib directory.
-set(PERL_LOCAL_LIB_DIR "../local-lib/lib/perl5/${PerlEmbed_ARCHNAME}")
+set(PERL_LOCAL_LIB_DIR "../../local-lib/lib/perl5/${PerlEmbed_ARCHNAME}")
 add_custom_command(
     TARGET XS
     POST_BUILD
@@ -175,8 +175,6 @@ if(APPLE)
     )
 endif()
 
-target_include_directories(XS PRIVATE src src/libslic3r)
-
 if(SLIC3R_PROFILE)
     target_link_libraries(Shiny)
 endif()

From 681e9f03b31d9f31ef3724953dbf6b87b8b33346 Mon Sep 17 00:00:00 2001
From: bubnikv <bubnikv@gmail.com>
Date: Wed, 19 Sep 2018 13:16:20 +0200
Subject: [PATCH 02/10] Yet another fix of build process

---
 src/CMakeLists.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 7d184c59fe..d7eb474472 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -52,9 +52,9 @@ target_link_libraries(slic3r libslic3r libslic3r_gui ${wxWidgets_LIBRARIES} ${CU
 if (APPLE)
 #    add_compile_options(-stdlib=libc++)
 #    add_definitions(-DBOOST_THREAD_DONT_USE_CHRONO -DBOOST_NO_CXX11_RVALUE_REFERENCES -DBOOST_THREAD_USES_MOVE)
-    target_link_libraries(XS "-framework IOKit" "-framework CoreFoundation" -lc++)
+    target_link_libraries(slic3r "-framework IOKit" "-framework CoreFoundation" -lc++)
 elseif (NOT MSVC)
-    target_link_libraries(XS -lstdc++)
+    target_link_libraries(slic3r -lstdc++)
 endif ()
 # Add the OpenGL and GLU libraries.
 if (SLIC3R_GUI)

From 8f01266ca4bfb78bd40425d80e8526d0a1a7c478 Mon Sep 17 00:00:00 2001
From: bubnikv <bubnikv@gmail.com>
Date: Wed, 19 Sep 2018 14:22:48 +0200
Subject: [PATCH 03/10] Fix of compilation on Linux & OSX: Cannot create a
 "slic3r" executable next to a "slic3r" directory.

---
 src/CMakeLists.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index d7eb474472..f3a4fe1e15 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -48,6 +48,11 @@ add_subdirectory(slic3r)
 
 # Create a slic3r executable
 add_executable(slic3r slic3r.cpp)
+if(SLIC3R_GUI)
+    set_target_properties(slic3r PROPERTIES OUTPUT_NAME "slic3r-gui")
+else()
+    set_target_properties(slic3r PROPERTIES OUTPUT_NAME "slic3r-console")
+endif()
 target_link_libraries(slic3r libslic3r libslic3r_gui ${wxWidgets_LIBRARIES} ${CURL_LIBRARIES})
 if (APPLE)
 #    add_compile_options(-stdlib=libc++)

From ffac360439fe9942831c6d0556dfdef31b60ac62 Mon Sep 17 00:00:00 2001
From: bubnikv <bubnikv@gmail.com>
Date: Wed, 19 Sep 2018 14:43:38 +0200
Subject: [PATCH 04/10] Yet another build system fix

---
 src/CMakeLists.txt |  2 +-
 xs/CMakeLists.txt  | 11 ++---------
 2 files changed, 3 insertions(+), 10 deletions(-)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index f3a4fe1e15..f133e2532b 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -70,6 +70,6 @@ if (SLIC3R_GUI)
     elseif (APPLE)
         target_link_libraries(slic3r "-framework OpenGL")
     else ()
-        target_link_libraries(slic3r -lGL -lGLU)
+        target_link_libraries(slic3r -ldl -lGL -lGLU)
     endif ()
 endif ()
diff --git a/xs/CMakeLists.txt b/xs/CMakeLists.txt
index 8756d98ebd..3f37213ae5 100644
--- a/xs/CMakeLists.txt
+++ b/xs/CMakeLists.txt
@@ -109,7 +109,8 @@ target_link_libraries(XS ${Boost_LIBRARIES})
 if (APPLE)
 #    add_compile_options(-stdlib=libc++)
 #    add_definitions(-DBOOST_THREAD_DONT_USE_CHRONO -DBOOST_NO_CXX11_RVALUE_REFERENCES -DBOOST_THREAD_USES_MOVE)
-    target_link_libraries(XS "-framework IOKit" "-framework CoreFoundation" -lc++)
+    # -liconv: boost links to libiconv by default
+    target_link_libraries(XS "-liconv -framework IOKit" "-framework CoreFoundation" -lc++)
 elseif (MSVC)
     target_link_libraries(XS )
 else ()
@@ -142,14 +143,6 @@ if (WIN32)
     target_link_libraries(XS ${PERL_LIBRARY})
 endif()
 
-# Find and configure boost
-if(SLIC3R_STATIC)
-    # Use static boost libraries.
-    set(Boost_USE_STATIC_LIBS ON)
-    # Use boost libraries linked statically to the C++ runtime.
-    # set(Boost_USE_STATIC_RUNTIME ON)
-endif()
-
 target_link_libraries(XS ${Boost_LIBRARIES})
 target_link_libraries(XS ${TBB_LIBRARIES})
 # target_link_libraries(XS ${wxWidgets_LIBRARIES})

From cc3572f3cee83937235fc54180d06fa258207dc2 Mon Sep 17 00:00:00 2001
From: bubnikv <bubnikv@gmail.com>
Date: Wed, 19 Sep 2018 15:47:32 +0200
Subject: [PATCH 05/10] Another step to fix the build system.

---
 src/CMakeLists.txt | 34 +++++++++++++++++++++++++++++-----
 1 file changed, 29 insertions(+), 5 deletions(-)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index f133e2532b..ea3d350180 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -19,7 +19,6 @@ add_subdirectory(libnest2d)
 include_directories(${LIBDIR}/qhull/src)
 #message(STATUS ${LIBDIR}/qhull/src)
 
-
 # ##############################################################################
 # Configure rasterizer target
 # ##############################################################################
@@ -53,16 +52,41 @@ if(SLIC3R_GUI)
 else()
     set_target_properties(slic3r PROPERTIES OUTPUT_NAME "slic3r-console")
 endif()
-target_link_libraries(slic3r libslic3r libslic3r_gui ${wxWidgets_LIBRARIES} ${CURL_LIBRARIES})
+target_link_libraries(slic3r libslic3r)
 if (APPLE)
 #    add_compile_options(-stdlib=libc++)
 #    add_definitions(-DBOOST_THREAD_DONT_USE_CHRONO -DBOOST_NO_CXX11_RVALUE_REFERENCES -DBOOST_THREAD_USES_MOVE)
-    target_link_libraries(slic3r "-framework IOKit" "-framework CoreFoundation" -lc++)
+    # -liconv: boost links to libiconv by default
+    target_link_libraries(slic3r "-liconv -framework IOKit" "-framework CoreFoundation" -lc++)
 elseif (NOT MSVC)
-    target_link_libraries(slic3r -lstdc++)
+    target_link_libraries(slic3r -ldl -lstdc++)
 endif ()
-# Add the OpenGL and GLU libraries.
+
+# Add the Slic3r GUI library, libcurl, OpenGL and GLU libraries.
 if (SLIC3R_GUI)
+    target_link_libraries(slic3r libslic3r_gui ${wxWidgets_LIBRARIES} ${CURL_LIBRARIES})
+
+    # Configure libcurl & OpenSSL
+    find_package(CURL REQUIRED)
+    target_include_directories(slic3r PRIVATE ${CURL_INCLUDE_DIRS})
+    target_link_libraries(slic3r ${CURL_LIBRARIES})
+    if (SLIC3R_STATIC)
+        if (NOT APPLE)
+            # libcurl is always linked dynamically to the system libcurl on OSX.
+            # On other systems, libcurl is linked statically if SLIC3R_STATIC is set.
+            target_compile_definitions(slic3r PRIVATE CURL_STATICLIB)
+        endif()
+        if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
+            # As of now, our build system produces a statically linked libcurl,
+            # which links the OpenSSL library dynamically.
+            find_package(OpenSSL REQUIRED)
+            message("OpenSSL include dir: ${OPENSSL_INCLUDE_DIR}")
+            message("OpenSSL libraries: ${OPENSSL_LIBRARIES}")
+            target_include_directories(slic3r PRIVATE ${OPENSSL_INCLUDE_DIR})
+            target_link_libraries(slic3r ${OPENSSL_LIBRARIES})
+        endif()
+    endif()
+
     if (MSVC)
         target_link_libraries(slic3r user32.lib Setupapi.lib OpenGL32.Lib GlU32.Lib)
     elseif (MINGW)

From 6003005812ec68eab3b321107f7a6c1d4dbae935 Mon Sep 17 00:00:00 2001
From: bubnikv <bubnikv@gmail.com>
Date: Wed, 19 Sep 2018 17:19:06 +0200
Subject: [PATCH 06/10] Removed dependency on wxWidgets from Alien. Updated
 source code to wxWidgets 3.1.1 Moved invocation of perl unit / integration
 tests to the xs project.

---
 CMakeLists.txt                     | 44 ++----------------------------
 src/CMakeLists.txt                 |  3 ++
 src/slic3r/GUI/GUI_ObjectParts.cpp |  2 +-
 src/slic3r/GUI/Tab.cpp             |  4 +--
 src/slic3r/GUI/wxExtensions.hpp    |  1 +
 xs/CMakeLists.txt                  | 16 +++++++++++
 6 files changed, 25 insertions(+), 45 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 84f6bcbd5d..65a1240556 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -175,33 +175,6 @@ endif()
 # The Intel TBB library will use the std::exception_ptr feature of C++11.
 add_definitions(-DTBB_USE_CAPTURED_EXCEPTION=0)
 
-# Find and configure wxWidgets
-if (SLIC3R_PRUSACONTROL)
-    set(wxWidgets_UseAlienWx 1)
-    if (wxWidgets_UseAlienWx)
-        set(AlienWx_DEBUG 1)
-        find_package(AlienWx REQUIRED COMPONENTS base core adv html gl)
-        include_directories(${AlienWx_INCLUDE_DIRS})
-        #add_compile_options(${AlienWx_CXX_FLAGS})
-        add_definitions(${AlienWx_DEFINITIONS})
-        set(wxWidgets_LIBRARIES ${AlienWx_LIBRARIES})
-        # On Linux / gtk, we need to have a direct access to gtk+ for some workarounds.
-        if (AlienWx_GUI_TOOLKIT STREQUAL "gtk2")
-            pkg_check_modules(GTK2 gtk+-2.0)
-            include_directories(${GTK2_INCLUDE_DIRS})
-        endif()
-        if (AlienWx_GUI_TOOLKIT STREQUAL "gtk3")
-            pkg_check_modules(GTK3 gtk+-3.0)
-            include_directories(${GTK3_INCLUDE_DIRS})
-        endif()
-    else ()
-        find_package(wxWidgets REQUIRED COMPONENTS base core adv html gl)
-        include(${wxWidgets_USE_FILE})
-    endif ()
-#FIXME rewrite the PRUS format to miniz!
-#    add_definitions(-DSLIC3R_GUI -DSLIC3R_PRUS)
-endif()
-
 find_package(CURL REQUIRED)
 include_directories(${CURL_INCLUDE_DIRS})
 
@@ -270,22 +243,9 @@ add_subdirectory(resources/localization)
 add_subdirectory(src)
 
 # Perl bindings, currently only used for the unit / integration tests of libslic3r.
+# Also runs the unit / integration tests.
+#FIXME Port the tests into C++ to finally get rid of the Perl!
 add_subdirectory(xs)
 
-get_filename_component(PERL_BIN_PATH "${PERL_EXECUTABLE}" DIRECTORY)
-if (MSVC)
-	# By default the startup project in MSVC is the 'ALL_BUILD' cmake-created project,
-	# but we want 'slic3r' as the startup one because debugging run command is associated with it.
-	# (Unfortunatelly it cannot be associated with ALL_BUILD using CMake.)
-	# Note: For some reason this needs to be set in the top-level CMakeLists.txt
-	set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY VS_STARTUP_PROJECT XS)
-	set(PERL_PROVE "${PERL_BIN_PATH}/prove.bat")
-else ()
-	set(PERL_PROVE "${PERL_BIN_PATH}/prove")
-endif ()
-
-add_test (NAME xs COMMAND "${PERL_EXECUTABLE}" ${PERL_PROVE} -I ${PROJECT_SOURCE_DIR}/local-lib/lib/perl5 WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/xs)
-add_test (NAME integration COMMAND "${PERL_EXECUTABLE}" ${PERL_PROVE} WORKING_DIRECTORY ${PROJECT_SOURCE_DIR})
-
 file(GLOB MyVar var/*.png)
 install(FILES ${MyVar} DESTINATION share/slic3r-prusa3d)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index ea3d350180..d2b79ae788 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -64,6 +64,9 @@ endif ()
 
 # Add the Slic3r GUI library, libcurl, OpenGL and GLU libraries.
 if (SLIC3R_GUI)
+    find_package(wxWidgets REQUIRED COMPONENTS base core adv html gl)
+    include(${wxWidgets_USE_FILE})
+
     target_link_libraries(slic3r libslic3r_gui ${wxWidgets_LIBRARIES} ${CURL_LIBRARIES})
 
     # Configure libcurl & OpenSSL
diff --git a/src/slic3r/GUI/GUI_ObjectParts.cpp b/src/slic3r/GUI/GUI_ObjectParts.cpp
index ae34359ce9..4fc3b88c0f 100644
--- a/src/slic3r/GUI/GUI_ObjectParts.cpp
+++ b/src/slic3r/GUI/GUI_ObjectParts.cpp
@@ -1008,7 +1008,7 @@ void get_settings_choice(wxMenu *menu, int id, bool is_part)
 	if (!settings_list)
 		return;
 
-	if (wxGetMultipleChoices(selections, _(L("Select showing settings")), category_name, names) ==0 )
+	if (wxGetSelectedChoices(selections, _(L("Select showing settings")), category_name, names) == -1)
 		return;
 
 	std::vector <std::string> selected_options;
diff --git a/src/slic3r/GUI/Tab.cpp b/src/slic3r/GUI/Tab.cpp
index e0db63803d..5b438d4a19 100644
--- a/src/slic3r/GUI/Tab.cpp
+++ b/src/slic3r/GUI/Tab.cpp
@@ -2645,7 +2645,7 @@ void Tab::update_presetsctrl(wxDataViewTreeCtrl* ui, bool show_incompatible)
 				wxDataViewTreeStoreContainerNode *node = ui->GetStore()->FindContainerNode(root_sys);
 				if (node)
 				{
-					wxDataViewTreeStoreNodeList::iterator iter;
+					wxDataViewTreeStoreNodes::iterator iter;
 					for (iter = node->GetChildren().begin(); iter != node->GetChildren().end(); iter++)
 					{
 						wxDataViewTreeStoreNode* child = *iter;
@@ -2731,7 +2731,7 @@ void Tab::update_tab_presets(wxComboCtrl* ui, bool show_incompatible)
 					wxDataViewTreeStoreContainerNode *node = popup->GetStore()->FindContainerNode(root_sys);
 					if (node) 
 					{
-						wxDataViewTreeStoreNodeList::iterator iter;
+						wxDataViewTreeStoreNodes::iterator iter;
 						for (iter = node->GetChildren().begin(); iter != node->GetChildren().end(); iter++)
 						{
 							wxDataViewTreeStoreNode* child = *iter;
diff --git a/src/slic3r/GUI/wxExtensions.hpp b/src/slic3r/GUI/wxExtensions.hpp
index 51c02035c0..a6cbf1773b 100644
--- a/src/slic3r/GUI/wxExtensions.hpp
+++ b/src/slic3r/GUI/wxExtensions.hpp
@@ -111,6 +111,7 @@ class PrusaCollapsiblePaneMSW : public PrusaCollapsiblePane//wxCollapsiblePane
 	wxButton*	m_pDisclosureTriangleButton = nullptr;
 	wxBitmap	m_bmp_close;
 	wxBitmap	m_bmp_open;
+	wxString    m_strLabel;
 public:
 	PrusaCollapsiblePaneMSW() {}
 	PrusaCollapsiblePaneMSW(	wxWindow *parent,
diff --git a/xs/CMakeLists.txt b/xs/CMakeLists.txt
index 3f37213ae5..b3bda1877f 100644
--- a/xs/CMakeLists.txt
+++ b/xs/CMakeLists.txt
@@ -185,3 +185,19 @@ endif()
 # Installation
 install(TARGETS XS DESTINATION ${PERL_VENDORARCH}/auto/Slic3r/XS)
 install(FILES lib/Slic3r/XS.pm DESTINATION ${PERL_VENDORLIB}/Slic3r)
+
+# Unit / integration tests
+enable_testing()
+get_filename_component(PERL_BIN_PATH "${PERL_EXECUTABLE}" DIRECTORY)
+if (MSVC)
+    # By default the startup project in MSVC is the 'ALL_BUILD' cmake-created project,
+    # but we want 'slic3r' as the startup one because debugging run command is associated with it.
+    # (Unfortunatelly it cannot be associated with ALL_BUILD using CMake.)
+    # Note: For some reason this needs to be set in the top-level CMakeLists.txt
+    set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY VS_STARTUP_PROJECT XS)
+    set(PERL_PROVE "${PERL_BIN_PATH}/prove.bat")
+else ()
+    set(PERL_PROVE "${PERL_BIN_PATH}/prove")
+endif ()
+add_test (NAME xs COMMAND "${PERL_EXECUTABLE}" ${PERL_PROVE} -I ${PROJECT_SOURCE_DIR}/local-lib/lib/perl5 WORKING_DIRECTORY ${PROJECT_SOURCE_DIR})
+add_test (NAME integration COMMAND "${PERL_EXECUTABLE}" ${PERL_PROVE} WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/..)

From d7f1c8670f6a26792008baaeaf638bf051f963ab Mon Sep 17 00:00:00 2001
From: bubnikv <bubnikv@gmail.com>
Date: Wed, 19 Sep 2018 17:55:17 +0200
Subject: [PATCH 07/10] Removed wrong dependency on wxWidgets from libslic3r.
 Added cmake message for WXWIN environment variable.

---
 src/CMakeLists.txt                  | 1 +
 src/libslic3r/GCode/PreviewData.cpp | 1 -
 2 files changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index d2b79ae788..cf37a82c91 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -64,6 +64,7 @@ endif ()
 
 # Add the Slic3r GUI library, libcurl, OpenGL and GLU libraries.
 if (SLIC3R_GUI)
+    message(STATUS "WXWIN environment set to: $ENV{WXWIN}")
     find_package(wxWidgets REQUIRED COMPONENTS base core adv html gl)
     include(${wxWidgets_USE_FILE})
 
diff --git a/src/libslic3r/GCode/PreviewData.cpp b/src/libslic3r/GCode/PreviewData.cpp
index 9cf9716e0a..564fc34dce 100644
--- a/src/libslic3r/GCode/PreviewData.cpp
+++ b/src/libslic3r/GCode/PreviewData.cpp
@@ -1,7 +1,6 @@
 #include "Analyzer.hpp"
 #include "PreviewData.hpp"
 #include <float.h>
-#include <wx/intl.h> 
 #include <I18N.hpp>
 
 #include <boost/format.hpp>

From ad54266395a46cb226637cbd8deb3a68ebfaf539 Mon Sep 17 00:00:00 2001
From: bubnikv <bubnikv@gmail.com>
Date: Wed, 19 Sep 2018 18:05:58 +0200
Subject: [PATCH 08/10] Fixed GUI build

---
 src/CMakeLists.txt | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index cf37a82c91..fcf7c17dcc 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -43,6 +43,13 @@ else()
 endif()
 
 add_subdirectory(libslic3r)
+
+if (SLIC3R_GUI)
+    message(STATUS "WXWIN environment set to: $ENV{WXWIN}")
+    find_package(wxWidgets REQUIRED COMPONENTS base core adv html gl)
+    include(${wxWidgets_USE_FILE})
+endif()
+
 add_subdirectory(slic3r)
 
 # Create a slic3r executable
@@ -64,10 +71,6 @@ endif ()
 
 # Add the Slic3r GUI library, libcurl, OpenGL and GLU libraries.
 if (SLIC3R_GUI)
-    message(STATUS "WXWIN environment set to: $ENV{WXWIN}")
-    find_package(wxWidgets REQUIRED COMPONENTS base core adv html gl)
-    include(${wxWidgets_USE_FILE})
-
     target_link_libraries(slic3r libslic3r_gui ${wxWidgets_LIBRARIES} ${CURL_LIBRARIES})
 
     # Configure libcurl & OpenSSL

From 9c085dfcc5f854c90246a3300c96f8e42ee89364 Mon Sep 17 00:00:00 2001
From: bubnikv <bubnikv@gmail.com>
Date: Wed, 19 Sep 2018 18:31:41 +0200
Subject: [PATCH 09/10] Fixed Perl unit tests.

---
 xs/CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xs/CMakeLists.txt b/xs/CMakeLists.txt
index b3bda1877f..f3afca619b 100644
--- a/xs/CMakeLists.txt
+++ b/xs/CMakeLists.txt
@@ -199,5 +199,5 @@ if (MSVC)
 else ()
     set(PERL_PROVE "${PERL_BIN_PATH}/prove")
 endif ()
-add_test (NAME xs COMMAND "${PERL_EXECUTABLE}" ${PERL_PROVE} -I ${PROJECT_SOURCE_DIR}/local-lib/lib/perl5 WORKING_DIRECTORY ${PROJECT_SOURCE_DIR})
+add_test (NAME xs COMMAND "${PERL_EXECUTABLE}" ${PERL_PROVE} -I ${PROJECT_SOURCE_DIR}/../local-lib/lib/perl5 WORKING_DIRECTORY ${PROJECT_SOURCE_DIR})
 add_test (NAME integration COMMAND "${PERL_EXECUTABLE}" ${PERL_PROVE} WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/..)

From 6ca5a18d05761e6e60fd9ef31e1e701a62d1c88e Mon Sep 17 00:00:00 2001
From: bubnikv <bubnikv@gmail.com>
Date: Wed, 19 Sep 2018 18:54:23 +0200
Subject: [PATCH 10/10] Commented out wxPixelData.UseAlpha(), as it is missing
 from wxWidgets 3.1.1.

---
 src/slic3r/GUI/BitmapCache.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/slic3r/GUI/BitmapCache.cpp b/src/slic3r/GUI/BitmapCache.cpp
index 93853458e4..16baa1629e 100644
--- a/src/slic3r/GUI/BitmapCache.cpp
+++ b/src/slic3r/GUI/BitmapCache.cpp
@@ -97,7 +97,9 @@ wxBitmap* BitmapCache::insert(const std::string &bitmap_key, const wxBitmap *beg
         if (bmp->GetWidth() > 0) {
             if (bmp->GetDepth() == 32) {
                 wxAlphaPixelData data(*const_cast<wxBitmap*>(bmp));
-                data.UseAlpha();
+                //FIXME The following method is missing from wxWidgets 3.1.1.
+                // It looks like the wxWidgets 3.0.3 called the wrapped bitmap's UseAlpha().
+                //data.UseAlpha();
                 if (data) {
                     for (int r = 0; r < bmp->GetHeight(); ++ r) {
                         wxAlphaPixelData::Iterator src(data);