[polly] r283600 - Define PATH_MAX on windows

[Hongbin Zheng via llvm-commits]

Author: ether
Date: Fri Oct  7 15:58:20 2016
New Revision: 283600

URL: http://llvm.org/viewvc/llvm-project?rev=283600&view=rev
Log:
Define PATH_MAX on windows

Differential Revision: https://reviews.llvm.org/D25372

Modified:
    polly/trunk/lib/External/CMakeLists.txt

Modified: polly/trunk/lib/External/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/polly/trunk/lib/External/CMakeLists.txt?rev=283600&r1=283599&r2=283600&view=diff
==============================================================================
--- polly/trunk/lib/External/CMakeLists.txt (original)
+++ polly/trunk/lib/External/CMakeLists.txt Fri Oct  7 15:58:20 2016
@@ -339,3 +339,9 @@ else ()
     COMPILE_FLAGS "-w"
   )
 endif ()
+
+if(MSVC)
+  # In the Windows API (with some exceptions), the maximum length for a path is
+  # MAX_PATH, which is defined as 260 characters. 
+  target_compile_definitions(PollyPPCG PUBLIC "-DPATH_MAX=260")
+endif ()