Makes prusa-slicer-git AUR build on my system.

prusa-slicer-git.patch

diff --git a/PKGBUILD b/PKGBUILD
index 81bef7d..eae07d8 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -3,8 +3,8 @@
 _pkgname=prusa-slicer

 pkgname=${_pkgname}-git
-pkgver=2.4.0.beta1.r76.g7520e2f19
-pkgrel=2
+pkgver=2.4.0.beta1.r65.gaff9e1f7e
+pkgrel=1
 pkgdesc='G-code generator for 3D printers (RepRap, Makerbot, Ultimaker etc.)'
 arch=('i686' 'x86_64' 'armv6' 'armv6h' 'armv7h')
 url='https://github.com/prusa3d/PrusaSlicer'
@@ -37,7 +37,7 @@ source=(
 sha256sums=(
     'SKIP'
     '26b66701cb2512f0d524add44689e2478c0b875f73103034e74544a9574782c5'
-    '1ef7c22f641b7c18de212202c21f14f6533834a36d7fe0c2b322bc9a13804c6b'
+    '7dff171650db39e85de984fdcfcb9789bb127c4118ef64ed223b6289920b7dc1'
     '58cae07a418a797222f4cb10950fa2fd7afb7570519785b082cc7d7e7f407c02'
 )
 conflicts=('prusa-slicer')
diff --git a/prusa-slicer-openexr3.patch b/prusa-slicer-openexr3.patch
index 772c77b..8ae71c1 100644
--- a/prusa-slicer-openexr3.patch
+++ b/prusa-slicer-openexr3.patch
@@ -1,12 +1,12 @@
 diff --git a/cmake/modules/FindOpenVDB.cmake b/cmake/modules/FindOpenVDB.cmake
-index 02420fed8..4b93111ab 100644
+index 4fde5fa4a..566e73a5e 100644
 --- a/cmake/modules/FindOpenVDB.cmake
 +++ b/cmake/modules/FindOpenVDB.cmake
-@@ -326,28 +326,10 @@ macro(just_fail msg)
+@@ -347,28 +347,10 @@ macro(just_fail msg)
    return()
  endmacro()

--find_package(IlmBase QUIET COMPONENTS Half)
+-find_package(IlmBase QUIET)
 -if(NOT IlmBase_FOUND)
 -  pkg_check_modules(IlmBase QUIET IlmBase)
 -endif()
@@ -32,7 +32,7 @@ index 02420fed8..4b93111ab 100644

  # Use GetPrerequisites to see which libraries this OpenVDB lib has linked to
  # which we can query for optional deps. This basically runs ldd/otoll/objdump
-@@ -398,7 +380,7 @@ foreach(PREREQUISITE ${_OPENVDB_PREREQUISITE_LIST})
+@@ -419,7 +401,7 @@ foreach(PREREQUISITE ${_OPENVDB_PREREQUISITE_LIST})
      set(OpenVDB_USES_LOG4CPLUS ON)
    endif()

@@ -41,7 +41,7 @@ index 02420fed8..4b93111ab 100644
    if(NOT ${_HAS_DEP} EQUAL -1)
      set(OpenVDB_USES_ILM ON)
    endif()
-@@ -429,11 +411,7 @@ if(OpenVDB_USES_LOG4CPLUS)
+@@ -450,11 +432,7 @@ if(OpenVDB_USES_LOG4CPLUS)
    find_package(Log4cplus ${_quiet} ${_required})
  endif()

@@ -54,7 +54,7 @@ index 02420fed8..4b93111ab 100644
    find_package(OpenEXR ${_quiet} ${_required})
  endif()

-@@ -450,7 +428,7 @@ endif()
+@@ -471,7 +449,7 @@ endif()
  set(_OPENVDB_VISIBLE_DEPENDENCIES
    Boost::iostreams
    Boost::system
@@ -63,7 +63,7 @@ index 02420fed8..4b93111ab 100644
  )

  set(_OPENVDB_DEFINITIONS)
-@@ -460,10 +438,7 @@ endif()
+@@ -481,10 +459,7 @@ endif()

  if(OpenVDB_USES_EXR)
    list(APPEND _OPENVDB_VISIBLE_DEPENDENCIES