makepanda: Only build pnmimagetypes with exceptions if using OpenEXR

makepanda/makepanda.py

@@ -4027,7 +4027,9 @@ TargetAdd('libp3pgui.in', opts=['IMOD:panda3d.core', 'ILIB:libp3pgui', 'SRCDIR:p
 # DIRECTORY: panda/src/pnmimagetypes/
 #
 
-OPTS=['DIR:panda/src/pnmimagetypes', 'DIR:panda/src/pnmimage', 'BUILDING:PANDA', 'PNG', 'ZLIB', 'JPEG', 'TIFF', 'OPENEXR', 'EXCEPTIONS']
+OPTS=['DIR:panda/src/pnmimagetypes', 'DIR:panda/src/pnmimage', 'BUILDING:PANDA', 'PNG', 'ZLIB', 'JPEG', 'TIFF', 'OPENEXR']
+if not PkgSkip('OPENEXR') and GetTarget() != 'emscripten':
+    OPTS.append('EXCEPTIONS')
 TargetAdd('p3pnmimagetypes_composite1.obj', opts=OPTS, input='p3pnmimagetypes_composite1.cxx')
 TargetAdd('p3pnmimagetypes_composite2.obj', opts=OPTS, input='p3pnmimagetypes_composite2.cxx')