[llvm] r348107 - [gn build] Fix cosmetic bug in write_cmake_config.py

[Nico Weber via llvm-commits]

Author: nico
Date: Sun Dec  2 14:26:18 2018
New Revision: 348107

URL: http://llvm.org/viewvc/llvm-project?rev=348107&view=rev
Log:
[gn build] Fix cosmetic bug in write_cmake_config.py

Before, #cmakedefine FOO resulted in #define FOO  with a trailing space if FOO
was set to something truthy. Make it so that it's just #define FOO without a
trailing space.

No functional difference.

Differential Revision: https://reviews.llvm.org/D55172

Modified:
    llvm/trunk/utils/gn/build/write_cmake_config.py

Modified: llvm/trunk/utils/gn/build/write_cmake_config.py
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/gn/build/write_cmake_config.py?rev=348107&r1=348106&r2=348107&view=diff
==============================================================================
--- llvm/trunk/utils/gn/build/write_cmake_config.py (original)
+++ llvm/trunk/utils/gn/build/write_cmake_config.py Sun Dec  2 14:26:18 2018
@@ -72,11 +72,11 @@ def main():
             _, var = in_line.split(None, 1)
             try:
                 var, val = var.split(None, 1)
+                in_line = '#define %s %s' % (var, val)  # val ends in \n.
             except:
-                var, val = var.rstrip(), '\n'
-            if values[var]:
-                in_line = '#define %s %s' % (var, val)
-            else:
+                var = var.rstrip()
+                in_line = '#define %s\n' % var
+            if not values[var]:
                 in_line = '/* #undef %s */\n' % var
             unused_values.discard(var)
         out_lines.append(in_line)