Understanding make

If you are compiling code in unix based operating system, then you cannot escape the omnipresent Makefile. Well, writing a Makefile requires some knowledge of the basics. Here are some tips to get by.

> make -p
Displays all the macros available in make.

One particular macro that floats around a lot is the @ macro. This is a macro that make defines for each dependency line. In a code such as:

prog : file1.o
${CXX} -o $@ file1.o

"$@" interprets as "prog"

Showing hidden files on Finder

How do you view hidden files on a finder? Try the following on a command terminal.

To show all hidden files:
> defaults write com.apple.finder AppleShowAllFiles YES
> killall Finder


To undo and hide hidden files on finder:
> defaults write com.apple.finder AppleShowAllFiles NO
> killall Finder

Configuring X11 and Terminal

Here is a blog to note down some of my discoveries on how to work with UNIX/Mac OS X. Some tid bits for survival.

In Mac OS X 10.5, if you want to set alias and stuff, then you can do the following:

Edit .profile file in the home directory to configure the Terminal
Edit .bashrc if you want to configure X11

Some nice options to set as aliases:
alias ls='ls -G' : Color option for listing