Tag 'project management':


Make Limits Java Heap Size on 32-bit Linux
Jul 23rd, 2015

aaaaargh! frustrating java make project management random
Annual hours saved: 2

Here’s a fun one. The following command:

java -Xmx2g Test

works fine when run from the command-line, but not when run from within a make recipe. It errors out with the following message:

Error occurred during initialization of VM
Could not reserve enough space for object heap
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.

[Read More]

Terminal Color Support in Makefiles
Jul 21st, 2015

colors frustrating make project management terminal
Annual hours saved: 5

I just spent a good 20 minutes trying to figure out how to have a makefile conditionally color its output depending on the current terminal’s level of color support. Long story short, there were a number of make idiosyncrasies that I wasn’t expecting / had forgotten about. So, for future reference, here’s a quick recap:

  • Conditional syntax requires parentheses when comparing evaluated (i.e. $(...)) values
  • Terminal commands are invoked using the $(shell ...) function
  • The default shell is sh, not bash, so echo evaluates escapes by default
  • During assignment, := evaluates immediately, while = does not
  • As in most terminals, un-assigned variables evaluate without error as empty strings

[Read More]

Makefile (Git edition)
Mar 4th, 2015

development environment git make project management

https://gist.github.com/pieman72/f8499c88d4db9041a393

This is a makefile template that contains the following Git directives: push, pull, commit, diff, merge, and branch.

It’s handy for managing a project under Git version control (especially a project with a remote origin).

Your E-Sheep:

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Recent Posts:

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8/3 - Check Braces
7/23 - Make Limits Java Heap Size on 32-bit Linux
7/21 - Terminal Color Support in Makefiles

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