Hi Ahmad,
On 10/09/2013 11:06 AM, Ahmad Hassan wrote:
I have built gem5.opt but I cannot build 'm5' utility inside
gem5/util/m5. If I run 'make' inside gem5/util/m5 then I get the
following errors;
gem5/util/m5# make m5
cc m5.c -o m5
/tmp/ccw63Np2.o: In function `read_file':
m5.c:(.text+0x113): undefined reference to `m5_readfile'
<snip>
collect2: ld returned 1 exit status
make: *** [m5] Error 1
Any clues how to build 'm5' utility so that I copy this in my own
custom image.
The problem you're experiencing is because you aren't using the correct
make file. Just typing 'make m5' will invoke a default rule to compile
m5.c to a standalone application. You need to manually specify the
makefile to use when you build the m5 tool. There are different
makefiles for each ISA supported by gem5.
If you're running on x86 and want to compile the x86 m5 tool, you'd do
this: make -f Makefile.x86
Things are a bit trickier if you need to cross-compile. For ARM, you'd
generally do 'make -f Makefile.arm' if your cross-compiler has the same
names as the default in the makefile. You can override the
cross-compiler like this: 'make -f Makefile.arm
CROSS_COMPILE=arm-linux-gnueabi-".
//Andreas
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