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Merge pull request #521 from bartlettroscoe/516-allow-empty-define-var
tribits_add_option_and_define(): restore optional macro define var arg, refactor (#516) Should also fix trilinos/Trilinos#10925
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130
tribits/core/package_arch/TribitsPkgExportCacheVars.cmake
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| # @HEADER | ||
| # ************************************************************************ | ||
| # | ||
| # TriBITS: Tribal Build, Integrate, and Test System | ||
| # Copyright 2013 Sandia Corporation | ||
| # | ||
| # Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation, | ||
| # the U.S. Government retains certain rights in this software. | ||
| # | ||
| # Redistribution and use in source and binary forms, with or without | ||
| # modification, are permitted provided that the following conditions are | ||
| # met: | ||
| # | ||
| # 1. Redistributions of source code must retain the above copyright | ||
| # notice, this list of conditions and the following disclaimer. | ||
| # | ||
| # 2. Redistributions in binary form must reproduce the above copyright | ||
| # notice, this list of conditions and the following disclaimer in the | ||
| # documentation and/or other materials provided with the distribution. | ||
| # | ||
| # 3. Neither the name of the Corporation nor the names of the | ||
| # contributors may be used to endorse or promote products derived from | ||
| # this software without specific prior written permission. | ||
| # | ||
| # THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY | ||
| # EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
| # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE | ||
| # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | ||
| # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | ||
| # PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | ||
| # PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | ||
| # LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | ||
| # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | ||
| # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| # | ||
| # ************************************************************************ | ||
| # @HEADER | ||
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| # @MACRO: tribits_pkg_export_cache_var() | ||
| # | ||
| # Macro that registers a package-level cache var to be exported in the | ||
| # ``<Package>Config.cmake`` file | ||
| # | ||
| # Usage:: | ||
| # | ||
| # tribits_pkg_export_cache_var(<cacheVarName>) | ||
| # | ||
| # where ``<cacheVarName>`` must be the name of a cache variable (or an error | ||
| # will occur). | ||
| # | ||
| # NOTE: This will also export this variable to the | ||
| # ``<Package><Spkg>Config.cmake`` file for every enabled subpackage (if this | ||
| # is called from a ``CMakeLists.txt`` file of a top-level package that has | ||
| # subpackages). That way, any top-level package cache vars are provided by | ||
| # any of the subpackages' ``<Package><Spkg>Config.cmake`` files. | ||
| # | ||
| macro(tribits_pkg_export_cache_var cacheVarName) | ||
| if (DEFINED ${PACKAGE_NAME}_PKG_VARS_TO_EXPORT) | ||
| # Assert this is a cache var | ||
| get_property(cacheVarIsCacheVar CACHE ${cacheVarName} PROPERTY VALUE SET) | ||
| if (NOT cacheVarIsCacheVar) | ||
| message(SEND_ERROR | ||
| "ERROR: The variable ${cacheVarName} is NOT a cache var and cannot" | ||
| " be exported!") | ||
| endif() | ||
| # Add to the list of package cache vars to export | ||
| append_global_set(${PACKAGE_NAME}_PKG_VARS_TO_EXPORT | ||
| ${cacheVarName}) | ||
| endif() | ||
| endmacro() | ||
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| # @MACRO: tribits_assert_cache_and_local_vars_same_value() | ||
| # | ||
| # Asset that a cache variable and a possible local variable (if it exists) | ||
| # have the same value. | ||
| # | ||
| # Usage:: | ||
| # | ||
| # tribits_assert_cache_and_local_vars_same_value(<cacheVarName>) | ||
| # | ||
| # If the local var ``<cacheVarName>`` and the cache var ``<cacheVarName>`` | ||
| # both exist but have different values, then ``message(SEND_ERROR ...)`` is | ||
| # called with an informative error message. | ||
| # | ||
| macro(tribits_assert_cache_and_local_vars_same_value cacheVarName) | ||
| set(cacheVarValue "$CACHE{${cacheVarName}}") | ||
| set(localValue "${${cacheVarName}}") | ||
| if (NOT localValue STREQUAL cacheVarValue) | ||
| message_wrapper(SEND_ERROR "ERROR: The cache variable ${cacheVarName} with the" | ||
| " cache var value '${cacheVarValue}' is not the same value as the local" | ||
| " variable ${cacheVarName} with value '${localValue}'!") | ||
| endif() | ||
| endmacro() | ||
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| # Function that sets up data-structures for package-level cache var to be | ||
| # exported | ||
| # | ||
| function(tribits_pkg_init_exported_vars PACKAGE_NAME_IN) | ||
| global_set(${PACKAGE_NAME_IN}_PKG_VARS_TO_EXPORT "") | ||
| endfunction() | ||
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| # Function that injects set() statements for a package's exported cache vars into | ||
| # a string. | ||
| # | ||
| # This is used to create set() statements to be injected into a package's | ||
| # ``<Package>Config.cmake`` file. | ||
| # | ||
| function(tribits_pkg_append_set_commands_for_exported_vars packageName | ||
| configFileStrInOut | ||
| ) | ||
| set(configFileStr "${${configFileStrInOut}}") | ||
| if (NOT "${${packageName}_PARENT_PACKAGE}" STREQUAL "") | ||
| foreach(exportedCacheVar IN LISTS ${${packageName}_PARENT_PACKAGE}_PKG_VARS_TO_EXPORT) | ||
| tribits_assert_cache_and_local_vars_same_value(${exportedCacheVar}) | ||
| string(APPEND configFileStr | ||
| "set(${exportedCacheVar} \"${${exportedCacheVar}}\")\n") | ||
| endforeach() | ||
| endif() | ||
| foreach(exportedCacheVar IN LISTS ${packageName}_PKG_VARS_TO_EXPORT) | ||
| tribits_assert_cache_and_local_vars_same_value(${exportedCacheVar}) | ||
| string(APPEND configFileStr | ||
| "set(${exportedCacheVar} \"${${exportedCacheVar}}\")\n") | ||
| endforeach() | ||
| set(${configFileStrInOut} "${configFileStr}" PARENT_SCOPE) | ||
| endfunction() |
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