fiddlerwoaroof/crawl - Change V4TAUG2RU7M3IBHQCGH3BUQQLYSFNBU3AS66IPDLZ4GJ3M37YYMAC

makefiles: set CXX variable only if not overridden on command-line

Allows compiler selection on the command-line. For instance, if we wanted to use llvm-g++, we'd use 'make CXX=llvm-g++'.

Signed-off-by: Steven Noonan <steven@uplinklabs.net>

Created by Steven Noonan on September 29, 2009

V4TAUG2RU7M3IBHQCGH3BUQQLYSFNBU3AS66IPDLZ4GJ3M37YYMAC

Dependencies

In channels

main

Change contents

Replacement in crawl-ref/source/makefile_tiles.unix at line 17 [2.5756330]
B:BD[2.5756696] → [2.5756696:5756706]
```
CXX = g++
```
[2.5756696]
[2.5756706]
```
CXX ?= g++
```
Replacement in crawl-ref/source/makefile_tiles.mgw at line 14 [2.5750607]
B:BD[2.5750888] → [2.5750888:5750898]
```
CXX = g++
```
[2.5750888]
[2.5750898]
```
CXX ?= g++
```
Replacement in crawl-ref/source/makefile.unix at line 15 [3.604320]
B:BD[3.604602] → [3.604602:604612]
```
CXX = g++
```
[3.604602]
[3.604612]
```
CXX ?= g++
```