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authorJohn Szakmeister <john@szakmeister.net>2016-10-11 18:35:02 -0400
committerJohn Szakmeister <john@szakmeister.net>2016-10-11 20:20:31 -0400
commit53eddb881cd3252035b87540d562775dfb93f207 (patch)
tree28fcdc9875f71b77b1685f1f53cc6e8d06b6f605
parent1dde512498d2fa9f3427861b5d4f894c778f992b (diff)
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build: prevent in-tree builds for the time being, as it's not supported
-rw-r--r--CMakeLists.txt3
-rw-r--r--cmake/PreventInTreeBuilds.cmake23
2 files changed, 26 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0a6a9accea..93e153be53 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,6 +8,9 @@ endif()
# Point CMake at any custom modules we may ship
list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
+# We don't support building in-tree.
+include(PreventInTreeBuilds)
+
# Prefer our bundled versions of dependencies.
set(DEPS_PREFIX "${CMAKE_CURRENT_SOURCE_DIR}/.deps/usr" CACHE PATH "Path prefix for finding dependencies")
if(CMAKE_CROSSCOMPILING AND NOT UNIX)
diff --git a/cmake/PreventInTreeBuilds.cmake b/cmake/PreventInTreeBuilds.cmake
new file mode 100644
index 0000000000..9c0ce1c0a2
--- /dev/null
+++ b/cmake/PreventInTreeBuilds.cmake
@@ -0,0 +1,23 @@
+function(PreventInTreeBuilds)
+ get_filename_component(srcdir "${CMAKE_SOURCE_DIR}" REALPATH)
+ get_filename_component(bindir "${CMAKE_BINARY_DIR}" REALPATH)
+
+ if("${srcdir}" STREQUAL "${bindir}")
+ message("")
+ message("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!")
+ message("Neovim doesn't support in-tree builds. It's recommended that you")
+ message("use a build/ subdirectory:")
+ message(" mkdir build")
+ message(" cd build")
+ message(" cmake <OPTIONS> ..")
+ message("")
+ message("Make sure to cleanup some CMake artifacts from this failed build")
+ message("with:")
+ message(" rm -rf CMakeFiles CMakeCache.txt")
+ message("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!")
+ message("")
+ message(FATAL_ERROR "Stopping build.")
+ endif()
+endfunction()
+
+PreventInTreeBuilds()