Bug #3024: mkmf: Directory names with spaces cause invalid Makefiles to be generated
http://redmine.ruby-lang.org/issues/show/3024

Author: Sam Quigley
Status: Open, Priority: Normal
Category: lib
ruby -v: ruby 1.9.1p378 (2010-01-10 revision 26273) [i386-darwin10.2.0]

mkmf does not properly quote or escape directory names containing spaces, and thus creates invalid Makefiles.  For example, a recent run of mkmf created a Makefile containing:

BINDIR        = $(bindir)
RUBYCOMMONDIR = $(sitedir)$(target_prefix)
RUBYLIBDIR = /Users/sq/Code/Third Party/flint/vendor/gems/bcrypt-ruby-2.1.2/lib$(target_prefix)
RUBYARCHDIR = /Users/sq/Code/Third Party/flint/vendor/gems/bcrypt-ruby-2.1.2/lib$(target_prefix)

When make is run, it fails with the following errors:

[...]
make
Makefile:128: warning: overriding commands for target `/Users/sq/Code/Third'
Makefile:122: warning: ignoring old commands for target `/Users/sq/Code/Third'
[...]
make install
Makefile:128: warning: overriding commands for target `/Users/sq/Code/Third'
Makefile:122: warning: ignoring old commands for target `/Users/sq/Code/Third'
mkdir -p /Users/sq/Code/Third
/opt/local/bin/ginstall -c -m 0755 bcrypt_ext.bundle /Users/sq/Code/Third Party/flint/vendor/gems/bcrypt-ruby-2.1.2/lib
/opt/local/bin/ginstall: omitting directory `/Users/sq/Code/Third'
make: *** [Party/flint/vendor/gems/bcrypt-ruby-2.1.2/lib/bcrypt_ext.bundle] Error 1

This issue (or something very similar) was reported as Ruby bug #2308 on 2005-08-25 here: http://rubyforge.org/tracker/index.php?func=detail&aid=2308&group_id=426&atid=1698


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