From cc7199f0e5ad6f03beb80eee81be8ca0f4ba2459 Mon Sep 17 00:00:00 2001
From: Florian Walch <florian@fwalch.com>
Date: Mon, 3 Nov 2014 19:46:40 +0100
Subject: CMake: Fix helptags generation.

---
 cmake/GenerateHelptags.cmake | 2 +-
 cmake/InstallHelpers.cmake   | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/cmake/GenerateHelptags.cmake b/cmake/GenerateHelptags.cmake
index 2e923ab45f..090cdf8ef4 100644
--- a/cmake/GenerateHelptags.cmake
+++ b/cmake/GenerateHelptags.cmake
@@ -1,4 +1,4 @@
-if(ENV{DESTDIR})
+if(DEFINED ENV{DESTDIR})
   file(TO_CMAKE_PATH
     "$ENV{DESTDIR}/${CMAKE_INSTALL_PREFIX}/share/nvim/runtime/doc"
     HELPTAGS_WORKING_DIRECTORY)
diff --git a/cmake/InstallHelpers.cmake b/cmake/InstallHelpers.cmake
index faf980bd47..a23bf63ab3 100644
--- a/cmake/InstallHelpers.cmake
+++ b/cmake/InstallHelpers.cmake
@@ -23,6 +23,7 @@ function(create_install_dir_with_perms)
   install(CODE
     "
     if(ENV{DESTDIR})
+      # TODO(fwalch): Is this branch ever taken (#1381, #1387)?
       set(PREFIX \$ENV{DESTDIR}/\${CMAKE_INSTALL_PREFIX})
     else()
       set(PREFIX \${CMAKE_INSTALL_PREFIX})
-- 
cgit