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I have the following simple makefile:
all:
fat_imgen.exe
Where fat_imgen.exe is an executable in the same directory as the makefile. When I try and run this however this happens:
>make
fat_imgen.exe
make: fat_imgen.exe: Command not found
make: *** [all] Error 127
If I run fat_imgen from that same command prompt then it starts as expected – why can’t make find fat_imgen.exe?
This is all running under Mingw / Windows.
When using a simple commend like the name of an executable, GNU make will start the executable directly. If the directory where the executable is found is not in the PATH/path, make will fail.
If you put the directory in the path, your makefile should work normally.
Also, as suggested in a comment by @AlexFarber, by adding ‘
./‘ GNU make will assume a more complex command (since not all shells are created equal), and hand the command over to the configured shell. That will work, since the shell is created in the directory where the command is then found.