cmake/modules/DunePkgConfig.cmake

@@ -2,6 +2,7 @@
 # file <module-name>.pc from <module-name>.pc.in,
 # and adds installation directives.
 #
+include_guard(GLOBAL)
 
 find_package(PkgConfig)
 # text for feature summary

cmake/modules/DunePythonCommonMacros.cmake

@@ -62,6 +62,7 @@
 #    Call this function from a downstream module, if that module relies on the
 #    the presence of the configure time virtualenv described in :ref:`DunePythonVirtualenv`.
 #
+include_guard(GLOBAL)
 
 # unless the user has defined the variable, unversioned names (like python3) are found
 # first, to match what users most probably use later on to call the executable

cmake/modules/DunePythonFindPackage.cmake

@@ -41,6 +41,7 @@
 #
 #    Find a given python package on the system.
 #
+include_guard(GLOBAL)
 
 function(dune_python_find_package)
   # Parse Arguments

cmake/modules/DunePythonInstallPackage.cmake

@@ -34,6 +34,7 @@
 #    Use this variable to set additional flags for pip in this build. This can e.g.
 #    be used to point pip to alternative package indices in restricted environments.
 #
+include_guard(GLOBAL)
 
 function(dune_python_install_package)
   # Parse Arguments

cmake/modules/DunePythonTestCommand.cmake

@@ -46,6 +46,7 @@
 #    build system. Added commands are run, when the target
 #    :code:`test_python` is built and during :code:`ctest`.
 #
+include_guard(GLOBAL)
 
 function(dune_python_add_test)
   # Parse Arguments

cmake/modules/DunePythonVirtualenv.cmake

@@ -68,6 +68,7 @@
 #    not be necessary anymore, see https://bugs.launchpad.net/debian/+source/python3.4/+bug/1290847
 #    for more information about the underlying distribution bug.
 #
+include_guard(GLOBAL)
 
 # If the user has not specified an absolute, we look through the dependency tree of this module
 # for a build directory that already contains a virtual environment.

cmake/modules/DuneSphinxCMakeDoc.cmake

@@ -52,6 +52,7 @@
 #      and a blank) are ignored. Any resulting content of lines most form valid rst.
 #    * TODO document more
 #
+include_guard(GLOBAL)
 
 find_package(Sphinx)
 # text for feature summary

cmake/modules/DuneSphinxDoc.cmake

+include_guard(GLOBAL)
 find_package(Sphinx)
 find_package(Python3 COMPONENTS Interpreter Development)
 

cmake/modules/DuneStreams.cmake

@@ -8,6 +8,7 @@
 #    :code:`vverb`, :code:`verb`, :code:`info`, :code:`warn` and :code:`grave`.
 #    Defaults to :code:`warn`.
 #
+include_guard(GLOBAL)
 
 macro(dune_set_minimal_debug_level)
 set(MINIMAL_DEBUG_LEVEL ON CACHE STRING "set the MINIMAL_DEBUG_LEVEL. Standard debug streams with level below MINIMAL_DEBUG_LEVEL will collapse to doing nothing if output is requested. (default=warn)")

cmake/modules/DuneSymlinkOrCopy.cmake

@@ -111,6 +111,7 @@
 #    a warning is issued and copying is used as a fallback to
 #    symlinking.
 #
+include_guard(GLOBAL)
 
 macro(dune_add_copy_command file_name)
     add_custom_command(

cmake/modules/DuneTestMacros.cmake

@@ -205,6 +205,7 @@
 #    build all tests during `make all`. Note, that this may take quite some time for some modules.
 #    If not in use, you have to build tests through the target :code:`build_tests`.
 #
+include_guard(GLOBAL)
 
 # enable the testing suite on the CMake side.
 enable_testing()

cmake/modules/Headercheck.cmake

@@ -5,6 +5,7 @@
 #    There has been a couple of issues with this implementation in
 #    the past, so it was deactivated by default.
 #
+include_guard(GLOBAL)
 
 # sets up a global property with the names of all header files
 # in the module and a global target depending on all checks

cmake/modules/OverloadCompilerFlags.cmake

@@ -22,6 +22,7 @@
 #    .. note::
 #       If you don't know what this is or what it's good for, don't use it.
 #
+include_guard(GLOBAL)
 
 option(ALLOW_CXXFLAGS_OVERWRITE OFF)
 option(ALLOW_CFLAGS_OVERWRITE OFF)

cmake/modules/UseInkscape.cmake

@@ -22,6 +22,7 @@
 #
 #    TODO Switch to named arguments!
 #
+include_guard(GLOBAL)
 
 include(CMakeParseArguments)
 

cmake/modules/UseLatexMk.cmake

@@ -101,6 +101,7 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #
+include_guard(GLOBAL)
 
 # Find LATEX and LatexMk
 find_package(LATEX)