Fix X11 env setup
Test that X11 env is triggered correctly
Remove broken aliases
gnuplot: remove obviated patch

Since glib 2.36 the patch is unnecessary.

Closes #18900.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
icalbuddy 1.8.8

Closes #18902.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
cppcheck 1.59

Closes #18897.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
httping 2.1

Closes #18898.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
Use satisfy syntax for CLTDependency
Move x86_64 Requirement into core

Closes #18886.
Bump useable clang version to 318

Build 211 can build most things, but I've seen intermittent
miscompilation and slower code. Also it comes from Xcode 4.2, so most
people don't have it anyway. Let's use 218 as the minimum viable
version.
CompilerSelector: don't use non-existent compilers
Isolate compiler selector tests
Add new tests for fails_with DSL
Fix chicken scheme imports
Simplify setting this ivar
Split out and fix LanguageModuleDependency tests
Don't use "assert_not_nil"
Shrink requirements.rb
Fix requires in test_x11_dependency.rb
Add test for differing module and import name