Hi! I followed the instruction given on: http://book.pharo-project.org/book/Virtual-Machine/Building/BuildVMOnOSX 134 errors are reported. Below the first line of the report: -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Building target âSqueak VM Universalâ of project âSqueakVMUNIXPATHSâ with configuration âDevelopmentâ â (134 errors) cd /Users/alexandrebergel/Desktop/SqueakVM/MyOwnVM/Developer /Developer/usr/bin/gcc-4.2 -x c -arch i386 -fmessage-length=0 -pipe -Wno-trigraphs -fpascal-strings -fasm-blocks -O0 -Wmissing-prototypes -Wmissing-braces -Wparentheses -Wunused-function -Wunused-label -Wunused-parameter -Wunused-variable -Wunused-value -Wsign-compare -DHAVE_NANOSLEEP -DEXTERNALPRIMSDEBUG -DTARGET_API_MAC_CARBON -DSQUEAK_BUILTIN_PLUGIN -DHAVE_SYS_TIME_H -isysroot /Developer/SDKs/MacOSX10.5.sdk -mfix-and-continue -mmacosx-version-min=10.5 -gdwarf-2 "-I/Users/alexandrebergel/Desktop/SqueakVM/MyOwnVM/Developer/build/SqueakVMUNIXPATHS.build/Development/Squeak VM Universal.build/Squeak VM Opt.hmap" -DLSB_FIRST -mtune=prescott -march=pentium-m -mfpmath=sse -DUSE_INLINE_MEMORY_ACCESSORS -F/Users/alexandrebergel/Desktop/SqueakVM/MyOwnVM/Developer/build/Development -F/Developer/SDKs/MacOSX10.5.sdk/System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks -I/Users/alexandrebergel/Desktop/SqueakVM/MyOwnVM/Developer/build/Development/include -I/Developer/SDKs/MacOSX10.5.sdk/Developer/Headers/FlatCarbon "-I/Users/alexandrebergel/Desktop/SqueakVM/MyOwnVM/Developer/build/SqueakVMUNIXPATHS.build/Development/Squeak VM Universal.build/DerivedSources/i386" "-I/Users/alexandrebergel/Desktop/SqueakVM/MyOwnVM/Developer/build/SqueakVMUNIXPATHS.build/Development/Squeak VM Universal.build/DerivedSources" -c /Users/alexandrebergel/Desktop/SqueakVM/MyOwnVM/Developer/src/vm/intplugins/ADPCMCodecPlugin/ADPCMCodecPlugin.c -o "/Users/alexandrebergel/Desktop/SqueakVM/MyOwnVM/Developer/build/SqueakVMUNIXPATHS.build/Development/Squeak VM Universal.build/Objects-normal/i386/ADPCMCodecPlugin.o" i686-apple-darwin9-gcc-4.2.1: /Users/alexandrebergel/Desktop/SqueakVM/MyOwnVM/Developer/src/vm/intplugins/ADPCMCodecPlugin/ADPCMCodecPlugin.c: No such file or directory i686-apple-darwin9-gcc-4.2.1: warning: '-x c' after last input file has no effect i686-apple-darwin9-gcc-4.2.1: no input files i686-apple-darwin9-gcc-4.2.1: no input files i686-apple-darwin9-gcc-4.2.1: no input files i686-apple-darwin9-gcc-4.2.1: no input files i686-apple-darwin9-gcc-4.2.1: no input files -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Is there something wrong I did? Help is highly appreciated... Cheers, Alexandre -- _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: Alexandre Bergel http://www.bergel.eu ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.