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I got a C project to compile and run in Linux. It is a very big project with many subdirectories. Inside the parent directory there are files Makefile.am and Makefile.in.
I tried running make -f Makefile.am, and got the following error:
make: Nothing to be done for `Makefile.am'.
What does it mean? How do I accomplish my task?
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Makefile.am is a programmer-defined file and is used by automake to generate the Makefile.in file (the . am stands for automake). The configure script typically seen in source tarballs will use the Makefile.in to generate a Makefile .
To create an m-file, choose New from the File menu and select Script. This procedure brings up a text editor window in which you can enter MATLAB commands. To save the m-file, simply go to the File menu and choose Save (remember to save it with the '. m' extension).
A Makefile.am has the same syntax as an ordinary Makefile . When automake processes a Makefile.am it copies the entire file into the output Makefile.in (that will be later turned into Makefile by configure ) but will react to certain variable definitions by generating some build rules and other variables.
First step: download mingw32-make.exe from mingw installer, or please check mingw/bin folder first whether mingw32-make.exe exists or not, else than install it, rename it to make.exe . After renaming it to make.exe , just go and run this command in the directory where makefile is located.
These files are used with the Autotools suite. Makefile.am files are compiled to Makefiles using automake.
Have a look to see if there is a configure script in the directory. If there is, then type:
./configure If not, then run:
autoreconf in the directory, which should create the configure script (you will need to have the Autotools suite installed to run this).
After that, you should have a configure script that you can run.
After the configure is complete, you should have a normal Makefile in the directory, and will be able to run
make What has been left out:
Neither of these (Makefile.{am,in}) are supposed to be used with make -f.
If the tarball already ships with configure, just run that and make. If it does not, run ./autogen.sh or bootstrap(*). If that does not exist, use autoreconf instead.
(*) autogen/bootstrap: A convenience script added by developers that should just call autoreconf. Unfortunately there are some people that eschew autoreconf and unnecessarily call all the lowlevel commands themselves.
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