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authorJohn MacFarlane <jgm@berkeley.edu>2014-11-06 22:33:38 -0800
committerJohn MacFarlane <jgm@berkeley.edu>2014-11-06 22:33:38 -0800
commit493abc5dc1952537707846294571671a4f35a6a5 (patch)
treeb596512f251cabb59fc54e871de0c0b8ea7f2f91
parent48c64a6ce073fbc4e42761a32840ec1a7def4555 (diff)
cmake: Give fatal error on in-source build.
-rw-r--r--CMakeLists.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 36d2e67..20cd5da 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,10 @@
project(cmark)
cmake_minimum_required(VERSION 2.8)
+if("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_BINARY_DIR}")
+ message(FATAL_ERROR "Do not build in-source.\nPlease remove CMakeCache.txt and the CMakeFiles/ directory.\nThen: mkdir build ; cd build ; cmake .. ; make")
+endif()
+
set(PROJECT_NAME "cmark")
set(PROJECT_VERSION_MAJOR 0)