Fix some build issues by patching

Fix build error against boost endian

  src/admesh/stl.h:29:10: fatal error: boost/detail/endian.hpp: No such file or directory
     29 | #include <boost/detail/endian.hpp>
        |          ^~~~~~~~~~~~~~~~~~~~~~~~~
  compilation terminated

Fix build error with _1

  error: ‘_1’ was not declared in this scope

Add patches from master.

5 files changed, 709 insertions, 4 deletions

diff --git a/.SRCINFO b/.SRCINFO
index 0721b6587931..99bb87682c01 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,7 +1,7 @@
 pkgbase = slic3r
 	pkgdesc = Slic3r is an STL-to-GCODE translator for RepRap 3D printers, aiming to be a modern and fast alternative to Skeinforge.
 	pkgver = 1.3.0
-	pkgrel = 18
+	pkgrel = 20
 	url = http://slic3r.org/
 	arch = i686
 	arch = x86_64
@@ -39,8 +39,14 @@ pkgbase = slic3r
 	source = https://github.com/alexrj/Slic3r/archive/1.3.0.tar.gz
 	source = slic3r.desktop
 	source = slic3r
+	source = 0001-Drop-error-admesh-works-correctly-on-little-endian-m.patch
+	source = 0002-Removed-unused-header-wchich-generated-tons-of-warni.patch
+	source = 0003-Make-boost-Placeholders-_1-visible.patch
 	md5sums = 5eb9afba30f69856040a20a4e42ff18a
 	md5sums = cf0130330574a13b4372beb8f241d71e
 	md5sums = a30a96504f11c95956dd8ce645b77504
+	md5sums = a8ef7a35d4a509d6acdcb5b1abc0f963
+	md5sums = d7bc4392be9e268b84b94a2a7828e2bd
+	md5sums = 17e9667229e663092515cb68e6ad3205
 
 pkgname = slic3r
diff --git a/0001-Drop-error-admesh-works-correctly-on-little-endian-m.patch b/0001-Drop-error-admesh-works-correctly-on-little-endian-m.patch
new file mode 100644
index 000000000000..02dc544b8d5a
--- /dev/null
+++ b/0001-Drop-error-admesh-works-correctly-on-little-endian-m.patch
@@ -0,0 +1,30 @@
+From 2600eb1d47b0468252b7861f1b1c06e14360e612 Mon Sep 17 00:00:00 2001
+From: Chow Loong Jin <hyperair@debian.org>
+Date: Tue, 6 Nov 2018 01:10:33 +0800
+Subject: [PATCH 1/2] Drop #error "admesh works correctly on little endian
+ machines only"
+
+admesh works fine on little-endian machines as of b9592961. It just doesn't
+compile because of this pesky #error.
+---
+ xs/src/admesh/stl.h | 4 ----
+ 1 file changed, 4 deletions(-)
+
+diff --git a/xs/src/admesh/stl.h b/xs/src/admesh/stl.h
+index f86f9940b..9b0460221 100644
+--- a/xs/src/admesh/stl.h
++++ b/xs/src/admesh/stl.h
+@@ -28,10 +28,6 @@
+ #include <stddef.h>
+ #include <boost/detail/endian.hpp>
+ 
+-#ifndef BOOST_LITTLE_ENDIAN
+-#error "admesh works correctly on little endian machines only!"
+-#endif
+-
+ #if defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
+     #include "windows.h"
+     #define ADMESH_CHAR wchar_t
+-- 
+2.37.3
+
diff --git a/0002-Removed-unused-header-wchich-generated-tons-of-warni.patch b/0002-Removed-unused-header-wchich-generated-tons-of-warni.patch
new file mode 100644
index 000000000000..c4284aca80ac
--- /dev/null
+++ b/0002-Removed-unused-header-wchich-generated-tons-of-warni.patch
@@ -0,0 +1,25 @@
+From 0c6eff1f253ec2093464dfaf3e938f395ab6a081 Mon Sep 17 00:00:00 2001
+From: zdroyer <ec2-user@ip-172-31-13-62.us-east-2.compute.internal>
+Date: Fri, 12 Apr 2019 12:47:34 +0000
+Subject: [PATCH 2/2] Removed unused header wchich generated tons of warnings
+ with boost 1.69
+
+---
+ xs/src/admesh/stl.h | 1 -
+ 1 file changed, 1 deletion(-)
+
+diff --git a/xs/src/admesh/stl.h b/xs/src/admesh/stl.h
+index 9b0460221..b31fdd4f9 100644
+--- a/xs/src/admesh/stl.h
++++ b/xs/src/admesh/stl.h
+@@ -26,7 +26,6 @@
+ #include <stdio.h>
+ #include <stdint.h>
+ #include <stddef.h>
+-#include <boost/detail/endian.hpp>
+ 
+ #if defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
+     #include "windows.h"
+-- 
+2.37.3
+
diff --git a/0003-Make-boost-Placeholders-_1-visible.patch b/0003-Make-boost-Placeholders-_1-visible.patch
new file mode 100644
index 000000000000..feaa68dd255e
--- /dev/null
+++ b/0003-Make-boost-Placeholders-_1-visible.patch
@@ -0,0 +1,629 @@
+From 1980b5602202a91cbff12e2aaa756e54301f43f1 Mon Sep 17 00:00:00 2001
+From: Jonathan Wakely <jwakely@redhat.com>
+Date: Wed, 3 Jun 2020 01:05:39 +0200
+Subject: [PATCH 3/3] Make boost::Placeholders::_1 visible
+
+Fixes https://github.com/slic3r/Slic3r/issues/4967
+---
+ xs/src/libslic3r/GCodeSender.hpp        |   5 +-
+ xs/src/libslic3r/GCodeTimeEstimator.cpp |   5 +-
+ xs/src/libslic3r/PrintObject.cpp        | 161 ++++++++++++------------
+ xs/src/libslic3r/SLAPrint.cpp           |   3 +
+ xs/src/libslic3r/TriangleMesh.cpp       |   3 +
+ 5 files changed, 96 insertions(+), 81 deletions(-)
+
+diff --git a/xs/src/libslic3r/GCodeSender.hpp b/xs/src/libslic3r/GCodeSender.hpp
+index cc0b29832..237bc1cc4 100644
+--- a/xs/src/libslic3r/GCodeSender.hpp
++++ b/xs/src/libslic3r/GCodeSender.hpp
+@@ -7,13 +7,16 @@
+ #include <string>
+ #include <vector>
+ #include <boost/asio.hpp>
+-#include <boost/bind.hpp>
++#include <boost/bind/bind.hpp>
+ #include <boost/thread.hpp>
+ 
+ namespace Slic3r {
+ 
+ namespace asio = boost::asio;
+ 
++using boost::placeholders::_1;
++using boost::placeholders::_2;
++
+ class GCodeSender : private boost::noncopyable {
+     public:
+     GCodeSender();
+diff --git a/xs/src/libslic3r/GCodeTimeEstimator.cpp b/xs/src/libslic3r/GCodeTimeEstimator.cpp
+index 818896bc1..b705032c8 100644
+--- a/xs/src/libslic3r/GCodeTimeEstimator.cpp
++++ b/xs/src/libslic3r/GCodeTimeEstimator.cpp
+@@ -1,9 +1,12 @@
+ #include "GCodeTimeEstimator.hpp"
+-#include <boost/bind.hpp>
++#include <boost/bind/bind.hpp>
+ #include <cmath>
+ 
+ namespace Slic3r {
+ 
++using boost::placeholders::_1;
++using boost::placeholders::_2;
++
+ void
+ GCodeTimeEstimator::parse(const std::string &gcode)
+ {
+diff --git a/xs/src/libslic3r/PrintObject.cpp b/xs/src/libslic3r/PrintObject.cpp
+index 6d60f3c6f..080d975ff 100644
+--- a/xs/src/libslic3r/PrintObject.cpp
++++ b/xs/src/libslic3r/PrintObject.cpp
+@@ -2,11 +2,14 @@
+ #include "BoundingBox.hpp"
+ #include "ClipperUtils.hpp"
+ #include "Geometry.hpp"
++#include <boost/bind/bind.hpp>
+ #include <algorithm>
+ #include <vector>
+ 
+ namespace Slic3r {
+ 
++using boost::placeholders::_1;
++
+ PrintObject::PrintObject(Print* print, ModelObject* model_object, const BoundingBoxf3 &modobj_bbox)
+ :   layer_height_spline(model_object->layer_height_spline),
+     typed_slices(false),
+@@ -28,7 +31,7 @@ PrintObject::PrintObject(Print* print, ModelObject* model_object, const Bounding
+         Pointf3 size = modobj_bbox.size();
+         this->size = Point3(scale_(size.x), scale_(size.y), scale_(size.z));
+     }
+-    
++
+     this->reload_model_instances();
+     this->layer_height_ranges = model_object->layer_height_ranges;
+ }
+@@ -76,21 +79,21 @@ bool
+ PrintObject::set_copies(const Points &points)
+ {
+     this->_copies = points;
+-    
++
+     // order copies with a nearest neighbor search and translate them by _copies_shift
+     this->_shifted_copies.clear();
+     this->_shifted_copies.reserve(points.size());
+-    
++
+     // order copies with a nearest-neighbor search
+     std::vector<Points::size_type> ordered_copies;
+     Slic3r::Geometry::chained_path(points, ordered_copies);
+-    
++
+     for (std::vector<Points::size_type>::const_iterator it = ordered_copies.begin(); it != ordered_copies.end(); ++it) {
+         Point copy = points[*it];
+         copy.translate(this->_copies_shift);
+         this->_shifted_copies.push_back(copy);
+     }
+-    
++
+     bool invalidated = false;
+     if (this->_print->invalidate_step(psSkirt)) invalidated = true;
+     if (this->_print->invalidate_step(psBrim)) invalidated = true;
+@@ -216,10 +219,10 @@ bool
+ PrintObject::invalidate_state_by_config(const PrintConfigBase &config)
+ {
+     const t_config_option_keys diff = this->config.diff(config);
+-    
++
+     std::set<PrintObjectStep> steps;
+     bool all = false;
+-    
++
+     // this method only accepts PrintObjectConfig and PrintRegionConfig option keys
+     for (const t_config_option_key &opt_key : diff) {
+         if (opt_key == "layer_height"
+@@ -265,10 +268,10 @@ PrintObject::invalidate_state_by_config(const PrintConfigBase &config)
+             break;
+         }
+     }
+-    
++
+     if (!diff.empty())
+         this->config.apply(config, true);
+-    
++
+     bool invalidated = false;
+     if (all) {
+         invalidated = this->invalidate_all_steps();
+@@ -277,7 +280,7 @@ PrintObject::invalidate_state_by_config(const PrintConfigBase &config)
+             if (this->invalidate_step(step))
+                 invalidated = true;
+     }
+-    
++
+     return invalidated;
+ }
+ 
+@@ -285,7 +288,7 @@ bool
+ PrintObject::invalidate_step(PrintObjectStep step)
+ {
+     bool invalidated = this->state.invalidate(step);
+-    
++
+     // propagate to dependent steps
+     if (step == posPerimeters) {
+         invalidated |= this->invalidate_step(posPrepareInfill);
+@@ -308,7 +311,7 @@ PrintObject::invalidate_step(PrintObjectStep step)
+         invalidated |= this->_print->invalidate_step(psSkirt);
+         invalidated |= this->_print->invalidate_step(psBrim);
+     }
+-    
++
+     return invalidated;
+ }
+ 
+@@ -317,7 +320,7 @@ PrintObject::invalidate_all_steps()
+ {
+     // make a copy because when invalidating steps the iterators are not working anymore
+     std::set<PrintObjectStep> steps = this->state.started;
+-    
++
+     bool invalidated = false;
+     for (std::set<PrintObjectStep>::const_iterator step = steps.begin(); step != steps.end(); ++step) {
+         if (this->invalidate_step(*step)) invalidated = true;
+@@ -338,16 +341,16 @@ PrintObject::detect_surfaces_type()
+ {
+     // prerequisites
+     // this->slice();
+-    
++
+     if (this->state.is_done(posDetectSurfaces)) return;
+     this->state.set_started(posDetectSurfaces);
+-    
++
+     parallelize<Layer*>(
+         std::queue<Layer*>(std::deque<Layer*>(this->layers.begin(), this->layers.end())),  // cast LayerPtrs to std::queue<Layer*>
+         boost::bind(&Slic3r::Layer::detect_surfaces_type, _1),
+         this->_print->config.threads.value
+     );
+-    
++
+     this->typed_slices = true;
+     this->state.set_done(posDetectSurfaces);
+ }
+@@ -369,10 +372,10 @@ PrintObject::bridge_over_infill()
+ {
+     FOREACH_REGION(this->_print, region) {
+         const size_t region_id = region - this->_print->regions.begin();
+-        
++
+         // skip bridging in case there are no voids
+         if ((*region)->config.fill_density.value == 100) continue;
+-        
++
+         // get bridge flow
+         const Flow bridge_flow = (*region)->flow(
+             frSolidInfill,
+@@ -382,28 +385,28 @@ PrintObject::bridge_over_infill()
+             -1,     // custom width, not relevant for bridge flow
+             *this
+         );
+-        
++
+         // get the average extrusion volume per surface unit
+         const double mm3_per_mm  = bridge_flow.mm3_per_mm();
+         const double mm3_per_mm2 = mm3_per_mm / bridge_flow.width;
+-        
++
+         FOREACH_LAYER(this, layer_it) {
+             // skip first layer
+             if (layer_it == this->layers.begin()) continue;
+-            
++
+             Layer* layer        = *layer_it;
+             LayerRegion* layerm = layer->get_region(region_id);
+-            
++
+             // extract the stInternalSolid surfaces that might be transformed into bridges
+             Polygons internal_solid;
+             layerm->fill_surfaces.filter_by_type(stInternalSolid, &internal_solid);
+             if (internal_solid.empty()) continue;
+-            
++
+             // check whether we should bridge or not according to density
+             {
+                 // get the normal solid infill flow we would use if not bridging
+                 const Flow normal_flow = layerm->flow(frSolidInfill, false);
+-                
++
+                 // Bridging over sparse infill has two purposes:
+                 // 1) cover better the gaps of internal sparse infill, especially when
+                 //    printing at very low densities;
+@@ -429,66 +432,66 @@ PrintObject::bridge_over_infill()
+                     ),
+                     min_threshold
+                 );
+-                
++
+                 if ((*region)->config.fill_density.value > density_threshold) continue;
+             }
+-            
++
+             // check whether the lower area is deep enough for absorbing the extra flow
+             // (for obvious physical reasons but also for preventing the bridge extrudates
+             // from overflowing in 3D preview)
+             ExPolygons to_bridge;
+             {
+                 Polygons to_bridge_pp = internal_solid;
+-                
++
+                 // Only bridge where internal infill exists below the solid shell matching
+                 // these two conditions:
+                 // 1) its depth is at least equal to our bridge extrusion diameter;
+                 // 2) its free volume (thus considering infill density) is at least equal
+                 //    to the volume needed by our bridge flow.
+                 double excess_mm3_per_mm2 = mm3_per_mm2;
+-                
++
+                 // iterate through lower layers spanned by bridge_flow
+                 const double bottom_z = layer->print_z - bridge_flow.height;
+                 for (int i = (layer_it - this->layers.begin()) - 1; i >= 0; --i) {
+                     const Layer* lower_layer = this->layers[i];
+-                    
++
+                     // subtract the void volume of this layer
+                     excess_mm3_per_mm2 -= lower_layer->height * (100 - (*region)->config.fill_density.value)/100;
+-                    
++
+                     // stop iterating if both conditions are matched
+                     if (lower_layer->print_z < bottom_z && excess_mm3_per_mm2 <= 0) break;
+-                    
++
+                     // iterate through regions and collect internal surfaces
+                     Polygons lower_internal;
+                     FOREACH_LAYERREGION(lower_layer, lower_layerm_it)
+                         (*lower_layerm_it)->fill_surfaces.filter_by_type(stInternal, &lower_internal);
+-                    
++
+                     // intersect such lower internal surfaces with the candidate solid surfaces
+                     to_bridge_pp = intersection(to_bridge_pp, lower_internal);
+                 }
+-                
++
+                 // don't bridge if the volume condition isn't matched
+                 if (excess_mm3_per_mm2 > 0) continue;
+-                
++
+                 // there's no point in bridging too thin/short regions
+                 {
+                     const double min_width = bridge_flow.scaled_width() * 3;
+                     to_bridge_pp = offset2(to_bridge_pp, -min_width, +min_width);
+                 }
+-                
++
+                 if (to_bridge_pp.empty()) continue;
+-                
++
+                 // convert into ExPolygons
+                 to_bridge = union_ex(to_bridge_pp);
+             }
+-            
++
+             #ifdef SLIC3R_DEBUG
+             printf("Bridging %zu internal areas at layer %zu\n", to_bridge.size(), layer->id());
+             #endif
+-            
++
+             // compute the remaning internal solid surfaces as difference
+             const ExPolygons not_to_bridge = diff_ex(internal_solid, to_polygons(to_bridge), true);
+-            
++
+             // build the new collection of fill_surfaces
+             {
+                 Surfaces new_surfaces;
+@@ -496,16 +499,16 @@ PrintObject::bridge_over_infill()
+                     if (surface->surface_type != stInternalSolid)
+                         new_surfaces.push_back(*surface);
+                 }
+-                
++
+                 for (ExPolygons::const_iterator ex = to_bridge.begin(); ex != to_bridge.end(); ++ex)
+                     new_surfaces.push_back(Surface(stInternalBridge, *ex));
+-                
++
+                 for (ExPolygons::const_iterator ex = not_to_bridge.begin(); ex != not_to_bridge.end(); ++ex)
+                     new_surfaces.push_back(Surface(stInternalSolid, *ex));
+-                
++
+                 layerm->fill_surfaces.surfaces = new_surfaces;
+             }
+-            
++
+             /*
+             # exclude infill from the layers below if needed
+             # see discussion at https://github.com/alexrj/Slic3r/issues/240
+@@ -534,7 +537,7 @@ PrintObject::bridge_over_infill()
+                         $lower_layerm->fill_surfaces->clear;
+                         $lower_layerm->fill_surfaces->append($_) for @new_surfaces;
+                     }
+-                    
++
+                     $excess -= $self->get_layer($i)->height;
+                 }
+             }
+@@ -843,7 +846,7 @@ void PrintObject::_slice()
+         }
+         this->delete_layer(int(this->layers.size()) - 1);
+     }
+-    
++
+     // Apply size compensation and perform clipping of multi-part objects.
+     const coord_t xy_size_compensation = scale_(this->config.xy_size_compensation.value);
+     for (Layer* layer : this->layers) {
+@@ -862,26 +865,26 @@ void PrintObject::_slice()
+                 for (size_t region_id = 0; region_id < layer->regions.size(); ++region_id) {
+                     LayerRegion* layerm = layer->regions[region_id];
+                     Polygons slices = layerm->slices;
+-                    
++
+                     if (abs(xy_size_compensation) > 0)
+                         slices = offset(slices, xy_size_compensation);
+-                    
++
+                     if (region_id > 0)
+                         // Trim by the slices of already processed regions.
+                         slices = diff(std::move(slices), processed);
+-                    
++
+                     if (region_id + 1 < layer->regions.size())
+                         // Collect the already processed regions to trim the to be processed regions.
+                         append_to(processed, slices);
+-                    
++
+                     layerm->slices.set(union_ex(slices), stInternal);
+                 }
+             }
+         }
+-        
++
+         // Merge all regions' slices to get islands, chain them by a shortest path.
+         layer->make_slices();
+-        
++
+         // Apply regions overlap
+         if (this->config.regions_overlap.value > 0) {
+             const coord_t delta = scale_(this->config.regions_overlap.value)/2;
+@@ -904,23 +907,23 @@ PrintObject::_slice_region(size_t region_id, std::vector<float> z, bool modifier
+     std::vector<ExPolygons> layers;
+     std::vector<int> &region_volumes = this->region_volumes[region_id];
+     if (region_volumes.empty()) return layers;
+-    
++
+     ModelObject &object = *this->model_object();
+-    
++
+     // compose mesh
+     TriangleMesh mesh;
+     for (std::vector<int>::const_iterator it = region_volumes.begin();
+         it != region_volumes.end(); ++it) {
+-        
++
+         const ModelVolume &volume = *object.volumes[*it];
+         if (volume.modifier != modifier) continue;
+-        
++
+         mesh.merge(volume.mesh);
+     }
+     if (mesh.facets_count() == 0) return layers;
+ 
+     // transform mesh
+-    // we ignore the per-instance transformations currently and only 
++    // we ignore the per-instance transformations currently and only
+     // consider the first one
+     object.instances[0]->transform_mesh(&mesh, true);
+ 
+@@ -930,7 +933,7 @@ PrintObject::_slice_region(size_t region_id, std::vector<float> z, bool modifier
+         -unscale(this->_copies_shift.y),
+         -object.bounding_box().min.z
+     );
+-    
++
+     // perform actual slicing
+     TriangleMeshSlicer<Z>(&mesh).slice(z, &layers);
+     return layers;
+@@ -941,10 +944,10 @@ PrintObject::_make_perimeters()
+ {
+     if (this->state.is_done(posPerimeters)) return;
+     this->state.set_started(posPerimeters);
+-    
++
+     // merge slices if they were split into types
+     // This is not currently taking place because since merge_slices + detect_surfaces_type
+-    // are not truly idempotent we are invalidating posSlice here (see the Perl part of 
++    // are not truly idempotent we are invalidating posSlice here (see the Perl part of
+     // this method).
+     if (this->typed_slices) {
+         // merge_slices() undoes detect_surfaces_type()
+@@ -953,10 +956,10 @@ PrintObject::_make_perimeters()
+         this->typed_slices = false;
+         this->state.invalidate(posDetectSurfaces);
+     }
+-    
++
+     // compare each layer to the one below, and mark those slices needing
+     // one additional inner perimeter, like the top of domed objects-
+-    
++
+     // this algorithm makes sure that at least one perimeter is overlapping
+     // but we don't generate any extra perimeter if fill density is zero, as they would be floating
+     // inside the object - infill_only_where_needed should be the method of choice for printing
+@@ -964,41 +967,41 @@ PrintObject::_make_perimeters()
+     FOREACH_REGION(this->_print, region_it) {
+         size_t region_id = region_it - this->_print->regions.begin();
+         const PrintRegion &region = **region_it;
+-        
++
+         if (!region.config.extra_perimeters
+             || region.config.perimeters == 0
+             || region.config.fill_density == 0
+             || this->layer_count() < 2) continue;
+-        
++
+         for (size_t i = 0; i <= (this->layer_count()-2); ++i) {
+             LayerRegion &layerm                     = *this->get_layer(i)->get_region(region_id);
+             const LayerRegion &upper_layerm         = *this->get_layer(i+1)->get_region(region_id);
+-            
++
+             // In order to avoid diagonal gaps (GH #3732) we ignore the external half of the upper
+             // perimeter, since it's not truly covering this layer.
+             const Polygons upper_layerm_polygons = offset(
+                 upper_layerm.slices,
+                 -upper_layerm.flow(frExternalPerimeter).scaled_width()/2
+             );
+-            
++
+             // Filter upper layer polygons in intersection_ppl by their bounding boxes?
+             // my $upper_layerm_poly_bboxes= [ map $_->bounding_box, @{$upper_layerm_polygons} ];
+             double total_loop_length = 0;
+             for (Polygons::const_iterator it = upper_layerm_polygons.begin(); it != upper_layerm_polygons.end(); ++it)
+                 total_loop_length += it->length();
+-            
++
+             const coord_t perimeter_spacing     = layerm.flow(frPerimeter).scaled_spacing();
+             const Flow ext_perimeter_flow       = layerm.flow(frExternalPerimeter);
+             const coord_t ext_perimeter_width   = ext_perimeter_flow.scaled_width();
+             const coord_t ext_perimeter_spacing = ext_perimeter_flow.scaled_spacing();
+-            
++
+             for (Surfaces::iterator slice = layerm.slices.surfaces.begin();
+                 slice != layerm.slices.surfaces.end(); ++slice) {
+                 while (true) {
+                     // compute the total thickness of perimeters
+                     const coord_t perimeters_thickness = ext_perimeter_width/2 + ext_perimeter_spacing/2
+                         + (region.config.perimeters-1 + slice->extra_perimeters) * perimeter_spacing;
+-                    
++
+                     // define a critical area where we don't want the upper slice to fall into
+                     // (it should either lay over our perimeters or outside this area)
+                     const coord_t critical_area_depth = perimeter_spacing * 1.5;
+@@ -1006,13 +1009,13 @@ PrintObject::_make_perimeters()
+                         offset(slice->expolygon, -perimeters_thickness),
+                         offset(slice->expolygon, -(perimeters_thickness + critical_area_depth))
+                     );
+-                    
++
+                     // check whether a portion of the upper slices falls inside the critical area
+                     const Polylines intersection = intersection_pl(
+                         upper_layerm_polygons,
+                         critical_area
+                     );
+-                    
++
+                     // only add an additional loop if at least 30% of the slice loop would benefit from it
+                     {
+                         double total_intersection_length = 0;
+@@ -1020,7 +1023,7 @@ PrintObject::_make_perimeters()
+                             total_intersection_length += it->length();
+                         if (total_intersection_length <= total_loop_length*0.3) break;
+                     }
+-                    
++
+                     /*
+                     if (0) {
+                         require "Slic3r/SVG.pm";
+@@ -1032,10 +1035,10 @@ PrintObject::_make_perimeters()
+                         );
+                     }
+                     */
+-                    
++
+                     slice->extra_perimeters++;
+                 }
+-                
++
+                 #ifdef DEBUG
+                     if (slice->extra_perimeters > 0)
+                         printf("  adding %d more perimeter(s) at layer %zu\n", slice->extra_perimeters, i);
+@@ -1043,20 +1046,20 @@ PrintObject::_make_perimeters()
+             }
+         }
+     }
+-    
++
+     parallelize<Layer*>(
+         std::queue<Layer*>(std::deque<Layer*>(this->layers.begin(), this->layers.end())),  // cast LayerPtrs to std::queue<Layer*>
+         boost::bind(&Slic3r::Layer::make_perimeters, _1),
+         this->_print->config.threads.value
+     );
+-    
++
+     /*
+         simplify slices (both layer and region slices),
+         we only need the max resolution for perimeters
+     ### This makes this method not-idempotent, so we keep it disabled for now.
+     ###$self->_simplify_slices(&Slic3r::SCALED_RESOLUTION);
+     */
+-    
++
+     this->state.set_done(posPerimeters);
+ }
+ 
+@@ -1065,17 +1068,17 @@ PrintObject::_infill()
+ {
+     if (this->state.is_done(posInfill)) return;
+     this->state.set_started(posInfill);
+-    
++
+     parallelize<Layer*>(
+         std::queue<Layer*>(std::deque<Layer*>(this->layers.begin(), this->layers.end())),  // cast LayerPtrs to std::queue<Layer*>
+         boost::bind(&Slic3r::Layer::make_fills, _1),
+         this->_print->config.threads.value
+     );
+-    
++
+     /*  we could free memory now, but this would make this step not idempotent
+     ### $_->fill_surfaces->clear for map @{$_->regions}, @{$object->layers};
+     */
+-    
++
+     this->state.set_done(posInfill);
+ }
+ 
+diff --git a/xs/src/libslic3r/SLAPrint.cpp b/xs/src/libslic3r/SLAPrint.cpp
+index ceb89018e..f8fa01b13 100644
+--- a/xs/src/libslic3r/SLAPrint.cpp
++++ b/xs/src/libslic3r/SLAPrint.cpp
+@@ -7,9 +7,12 @@
+ #include <iostream>
+ #include <complex>
+ #include <cstdio>
++#include <boost/bind/bind.hpp>
+ 
+ namespace Slic3r {
+ 
++using boost::placeholders::_1;
++
+ void
+ SLAPrint::slice()
+ {
+diff --git a/xs/src/libslic3r/TriangleMesh.cpp b/xs/src/libslic3r/TriangleMesh.cpp
+index e4be594a0..b3f91a85a 100644
+--- a/xs/src/libslic3r/TriangleMesh.cpp
++++ b/xs/src/libslic3r/TriangleMesh.cpp
+@@ -14,6 +14,7 @@
+ #include <stdexcept>
+ #include <boost/config.hpp>
+ #include <boost/nowide/convert.hpp>
++#include <boost/bind/bind.hpp>
+ 
+ #ifdef SLIC3R_DEBUG
+ #include "SVG.hpp"
+@@ -21,6 +22,8 @@
+ 
+ namespace Slic3r {
+ 
++using boost::placeholders::_1;
++
+ TriangleMesh::TriangleMesh()
+     : repaired(false)
+ {
+-- 
+2.37.3
+
diff --git a/PKGBUILD b/PKGBUILD
index 3ea87f4bba0b..fe0251aa8c2d 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -4,7 +4,7 @@
 
 pkgname=slic3r
 pkgver=1.3.0
-pkgrel=18
+pkgrel=20
 pkgdesc="Slic3r is an STL-to-GCODE translator for RepRap 3D printers, aiming to be a modern and fast alternative to Skeinforge."
 arch=('i686' 'x86_64' 'armv7h')
 url="http://slic3r.org/"
@@ -33,14 +33,28 @@ BUILDENV+=('!check')
 #source=("git+https://github.com/slic3r/Slic3r.git#tag=$pkgver"
 source=("https://github.com/alexrj/Slic3r/archive/$pkgver.tar.gz"
         'slic3r.desktop'
-        'slic3r')
+        'slic3r'
+        '0001-Drop-error-admesh-works-correctly-on-little-endian-m.patch'
+        '0002-Removed-unused-header-wchich-generated-tons-of-warni.patch'
+        '0003-Make-boost-Placeholders-_1-visible.patch')
 md5sums=('5eb9afba30f69856040a20a4e42ff18a'
          'cf0130330574a13b4372beb8f241d71e'
-         'a30a96504f11c95956dd8ce645b77504')
+         'a30a96504f11c95956dd8ce645b77504'
+         'a8ef7a35d4a509d6acdcb5b1abc0f963'
+         'd7bc4392be9e268b84b94a2a7828e2bd'
+         '17e9667229e663092515cb68e6ad3205')
 _src_dir='$srcdir/Slic3r-$pkgver'
 
 prepare() {
   eval cd "$_src_dir"
+
+  msg2 "Applying patches from ypstream..."
+  # Fix build error aginast boost
+  patch -p1 -i $srcdir/0001-Drop-error-admesh-works-correctly-on-little-endian-m.patch
+  patch -p1 -i $srcdir/0002-Removed-unused-header-wchich-generated-tons-of-warni.patch
+  patch -p1 -i $srcdir/0003-Make-boost-Placeholders-_1-visible.patch
+
+  msg2 "Inline patching..."
   # Nasty fix for useless Growl dependency ... please post in comment real fix, if u know one ;)
   sed -i '/Growl/d' Build.PL
 
@@ -52,6 +66,7 @@ prepare() {
 
   # Fix needed for slic3r 1.3.0
   sed -i '12i #include <boost/core/noncopyable.hpp>' xs/src/libslic3r/GCodeSender.hpp
+
 }
 
 build() {