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Abort on in-source-builds (#1788) 

They do not work since we overwrite things in such a way that the build
will fail.

Fixes: https://github.com/awesomeWM/awesome/issues/1786
Signed-off-by: Uli Schlachter <psychon@znc.in>
This commit is contained in:
Uli Schlachter 2017-05-24 21:06:27 +02:00 committed by Daniel Hahler
parent f311a9137e
commit 27eba6c034
1 changed files with 15 additions and 0 deletions
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15
CMakeLists.txt
View File

@ -1,4 +1,19 @@
cmake_minimum_required(VERSION 3.0.0) cmake_minimum_required(VERSION 3.0.0)
# Require an out-of-source build. We generate an awesomerc.lua in the build dir
# from the one in the source dir and this does not work otherwise.
if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
message(SEND_ERROR "\
You appear to be doing an in-source build, which means that the binaries are \
generated in the same directory where the source code is. This is currently not \
supported. Instead, do, for example, the following:\n\
mkdir build && cd build && cmake ..\n\
Beware that CMake likely already generated a CMakeCache.txt in the source \
directory which you first have to delete. \
")
message(FATAL_ERROR "In-source builds are not supported")
endif()
set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS TRUE) set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS TRUE)
if(COMMAND cmake_policy) if(COMMAND cmake_policy)