Compiling 32-bit code on a 64-bit machineThis tip submitted by vinay Kumar on 2010-09-06 11:23:15. It has been viewed 2867 times.
Rating of 5.2 with 6 votes
If code is written to support only 32-bit architectures, but you're compiling with gcc/g++ on a 64-bit machine, always add the following flag in your makefile and then compile.
CFLAGS = -m32
without this if you compile the code, it will give you a 64-bit executable, which of course will not run on a 32-bit machine.
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