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cmake: Move root CMakeLists.txt's comment-header to top

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Inform user early on that ./CMakeLists.txt is not the top-level file.

Signed-off-by: Mark Ruvald Pedersen <mped@oticon.com>
This commit is contained in:
Mark Ruvald Pedersen 2018-12-19 16:27:55 +01:00 committed by Carles Cufí
parent 94a9d8086c
commit 59036db195
1 changed files with 11 additions and 11 deletions
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22
CMakeLists.txt
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@ -1,3 +1,14 @@
# *DOCUMENTATION*
#
# Note that this is *NOT* the top-level CMakeLists.txt. That's in the
# application. See the Application Development Primer documentation
# for details.
#
# To see a list of typical targets execute "make usage"
# More info can be located in ./README.rst
# Comments in this file are targeted only to the developer, do not
# expect to learn how to build the kernel reading this file.
if(NOT DEFINED ZEPHYR_BINARY_DIR)
message(FATAL_ERROR "A user error has occured.
cmake was invoked with '${CMAKE_CURRENT_LIST_DIR}' specified as the source directory,
@ -11,17 +22,6 @@ endif()
project(Zephyr-Kernel VERSION ${PROJECT_VERSION})
enable_language(C CXX ASM)
# *DOCUMENTATION*
#
# Note that this is *NOT* the top-level CMakeLists.txt. That's in the
# application. See the Application Development Primer documentation
# for details.
#
# To see a list of typical targets execute "make usage"
# More info can be located in ./README.rst
# Comments in this file are targeted only to the developer, do not
# expect to learn how to build the kernel reading this file.
# Verify that the toolchain can compile a dummy file, if it is not we
# won't be able to test for compatiblity with certain C flags.
check_c_compiler_flag("" toolchain_is_ok)