This causes weird, difficult to debug compilation errors. Usually
caused by trying to run CMake against a source that had an
in-tree autoconfig build.
Note that you're able to do out-of-tree autoconfig builds and
they can obviously mix with out-of-tree cmake builds.
Signed-off-by: Frank Lichtenheld <fr...@lichtenheld.com>
---
CMakeLists.txt | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index acebbb73..597dc907 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -26,6 +26,10 @@ if (NOT WIN32 AND NOT ${UNSUPPORTED_BUILDS})
message(FATAL_ERROR "Note: on Unix platform the official and supported
build method is using autoconfig. CMake based build should be only used for
Windows and internal testing/development.")
endif()
+if (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/config.h")
+ message(FATAL_ERROR "The top level source directory has a config.h file.
Note that you can't mix in-tree autoconfig builds with out-of-tree cmake
builds.")
+endif ()
+
option(MBED "BUILD with mbed" OFF)
option(WOLFSSL "BUILD with wolfSSL" OFF)
option(ENABLE_LZ4 "BUILD with lz4" ON)
--
2.34.1
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