Makefile: Use the more portable printf over `echo -e`
authorW. Trevor King <wking@tremily.us>
Fri, 22 Feb 2013 16:33:10 +0000 (11:33 -0500)
committerW. Trevor King <wking@tremily.us>
Fri, 22 Feb 2013 16:33:13 +0000 (11:33 -0500)
commitd0b69c9376dc06e36803486e83911510e02e0a3b
tree2bccbc140490f11b903e7261ca256d9c3f19dc91
parentf5c110992e6c2a7d13e1a972a032c99ebe5a7c70
Makefile: Use the more portable printf over `echo -e`

See POSIX-2008 for details:

http://pubs.opengroup.org/onlinepubs/9699919799/utilities/echo.html
http://pubs.opengroup.org/onlinepubs/9699919799/utilities/printf.html
Makefile