2016-09-27 22:01:08 +03:00
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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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2001-04-24 00:33:24 +04:00
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#include "cmOptionCommand.h"
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// cmOptionCommand
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2016-05-16 17:34:04 +03:00
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bool cmOptionCommand::InitialPass(std::vector<std::string> const& args,
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cmExecutionStatus&)
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2001-04-24 00:33:24 +04:00
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{
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2002-04-18 00:16:06 +04:00
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bool argError = false;
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2016-05-16 17:34:04 +03:00
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if (args.size() < 2) {
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2002-04-18 00:16:06 +04:00
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argError = true;
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2016-05-16 17:34:04 +03:00
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}
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2006-05-12 21:39:34 +04:00
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// for VTK 4.0 we have to support the option command with more than 3
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// arguments if CMAKE_MINIMUM_REQUIRED_VERSION is not defined, if
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// CMAKE_MINIMUM_REQUIRED_VERSION is defined, then we can have stricter
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// checking.
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2016-05-16 17:34:04 +03:00
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if (this->Makefile->GetDefinition("CMAKE_MINIMUM_REQUIRED_VERSION")) {
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if (args.size() > 3) {
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2002-04-18 00:16:06 +04:00
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argError = true;
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}
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2016-05-16 17:34:04 +03:00
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}
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if (argError) {
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2002-04-18 00:16:06 +04:00
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std::string m = "called with incorrect number of arguments: ";
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2015-01-14 23:31:46 +03:00
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m += cmJoin(args, " ");
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2014-03-11 03:04:11 +04:00
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this->SetError(m);
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2001-04-24 00:33:24 +04:00
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return false;
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2016-05-16 17:34:04 +03:00
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}
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2012-08-13 21:42:58 +04:00
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2003-12-29 23:26:01 +03:00
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std::string initialValue = "Off";
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2001-04-24 00:33:24 +04:00
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// Now check and see if the value has been stored in the cache
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// already, if so use that value and don't look for the program
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2015-04-06 11:52:45 +03:00
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cmState* state = this->Makefile->GetState();
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const char* existingValue = state->GetCacheEntryValue(args[0]);
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2016-05-16 17:34:04 +03:00
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if (existingValue) {
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if (state->GetCacheEntryType(args[0]) != cmState::UNINITIALIZED) {
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2015-04-06 11:52:45 +03:00
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state->SetCacheEntryProperty(args[0], "HELPSTRING", args[1]);
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2003-12-29 23:26:01 +03:00
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return true;
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2001-04-24 00:33:24 +04:00
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}
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2016-05-16 17:34:04 +03:00
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initialValue = existingValue;
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}
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if (args.size() == 3) {
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2003-12-29 23:26:01 +03:00
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initialValue = args[2];
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2016-05-16 17:34:04 +03:00
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}
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2009-09-11 18:03:59 +04:00
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bool init = cmSystemTools::IsOn(initialValue.c_str());
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2016-05-16 17:34:04 +03:00
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this->Makefile->AddCacheDefinition(args[0], init ? "ON" : "OFF",
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2015-04-07 23:45:54 +03:00
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args[1].c_str(), cmState::BOOL);
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2001-04-24 00:33:24 +04:00
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return true;
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}
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