2 files changed, 31 insertions, 3 deletions
diff --git a/graphics/mitsuba2/32bit.diff b/graphics/mitsuba2/32bit.diff
new file mode 100644
index 0000000000000..55019bf61eb09
--- /dev/null
+++ b/graphics/mitsuba2/32bit.diff
@@ -0,0 +1,22 @@
+diff -Naur mitsuba2-4e7628c/ext/CMakeLists.txt mitsuba2-4e7628c.patched/ext/CMakeLists.txt
+--- mitsuba2-4e7628c/ext/CMakeLists.txt	2022-03-07 17:07:27.000000000 -0500
++++ mitsuba2-4e7628c.patched/ext/CMakeLists.txt	2022-03-23 00:07:42.901574553 -0400
+@@ -223,9 +223,8 @@
+ # tinyformat include path
+ set(TINYFORMAT_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/tinyformat PARENT_SCOPE)
+ 
+-if (${CMAKE_SYSTEM_PROCESSOR} MATCHES "x86_64|AMD64")
+   # Build asmjit
+-  set(ASMJIT_BUILD_X64 TRUE)
++  set(ASMJIT_BUILD_X86 TRUE)
+   if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU")
+     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-inconsistent-missing-override -Wno-undefined-inline")
+   endif()
+@@ -235,7 +234,6 @@
+   if (MSVC)
+     target_compile_options(asmjit PRIVATE "/wd4804" "/wd4838")
+   endif()
+-endif()
+ 
+ # Disable annoying MSVC warnings in rgb2spec build
+ if (MSVC)
diff --git a/graphics/mitsuba2/mitsuba2.SlackBuild b/graphics/mitsuba2/mitsuba2.SlackBuild
index bd7005f7c9743..392e52bddb099 100644
--- a/graphics/mitsuba2/mitsuba2.SlackBuild
+++ b/graphics/mitsuba2/mitsuba2.SlackBuild
@@ -7,6 +7,8 @@
 # notice and this notice are preserved.  This file is offered as-is,
 # without any warranty.
 
+# 20220322 bkw: Modified by SlackBuilds.org: fix 32-bit build.
+
 cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=mitsuba2
@@ -23,7 +25,6 @@ if [ -z "$ARCH" ]; then
   esac
 fi
 
-# If PRINT_PACKAGE_NAME is set, print name of package
 if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
   echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
   exit 0
@@ -58,13 +59,18 @@ cd $PRGNAM-$VERSION
 chown -R root:root .
 find -L . \
  \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
-  -o -perm 511 \) -exec chmod 755 {} \; -o \
+  -o -perm 511 \) -exec chmod 755 {} \+ -o \
  \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
-  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
+  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \+
+
+case "$ARCH" in
+  i?86) patch -p1 < $CWD/32bit.diff ;;
+esac
 
 mkdir -p build
 cd build
 cmake -GNinja \
+  $extra \
   -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
   -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
   -DCMAKE_INSTALL_PREFIX=/usr \