Try with most of the old flags

povray_wasm/build_ubuntu.sh

@@ -2,14 +2,47 @@
 
 EMAIL="hi@mmcwilliams.com"
 NAME="Matt McWilliams"
-#CPPFLAGS="-Wall -Wextra -Werror -I/usr/include/OpenEXR"
-#CPPFLAGS="-pipe -Wno-multichar -Wno-write-strings -fno-enforce-eh-specs -Wno-non-template-friend -s -O3 -ffast-math -march=native"
-CPPFLAGS="-include uint-hack.h -I/usr/include/OpenEXR"
+
+CFLAGS="-pthread " #-DBOOST_THREAD_USE_LIB -s USE_BOOST_HEADERS=1
+LDFLAGS="$CFLAGS -s INITIAL_MEMORY=33554432" # 33554432 bytes = 32 MB
+CONFIG_ARGS=(
+  --arch=x86_32           # use x86_32 to achieve minimal architectural optimization
+  --enable-cross-compile  # enable cross compile
+  --disable-x86asm        # disable x86 asm
+  --disable-inline-asm    # disable inline asm
+  --disable-stripping     # disable stripping
+  --disable-programs      # disable programs build (incl. ffplay, ffprobe & ffmpeg)
+  --disable-doc           # disable doc
+  --extra-cflags="$CFLAGS"
+  --extra-cxxflags="$CFLAGS"
+  --extra-ldflags="$LDFLAGS"
+  --nm="llvm-nm -g"
+  --ar=emar
+  --as=llvm-as
+  --ranlib=llvm-ranlib
+  --cc=emcc
+  --cxx=em++
+  --objcc=emcc
+  --dep-cc=emcc
+)
+
+ARGS=(
+  #LIBS="-lboost_system -lboost_thread -lboost_date_time"
+  COMPILED_BY="$NAME <$EMAIL>"
+  CC=emcc
+  CXX=em++
+  CFLAGS="$CFLAGS"
+  CXXFLAGS="$CFLAGS"
+  LDFLAGS="$LDFLAGS"
+  --host=wasm32
+)
 
 cd unix/
 ./prebuild.sh
 cd ../
-emconfigure ./configure COMPILED_BY="$NAME <$EMAIL>" LDFLAGS="-Wl,-V"
-echo "typedef unsigned int uint;" > uint-hack.h
-emmake make -j CPPFLAGS="${CPPFLAGS}"
+
+#BOOST_ROOT=$BOOST_ROOT 
+emconfigure ./configure "${ARGS[@]}"
+
+#emmake make -j CPPFLAGS="${CPPFLAGS}"
 #make install