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ENH: Cleanup policy generic documentation. Cleanup some policy error/warning messages.

This commit is contained in:
Brad King 2008-03-08 09:13:13 -05:00
parent 244272436a
commit 192de486df
2 changed files with 35 additions and 38 deletions
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7
Source/cmMakefile.cxx
View File

@ -3239,9 +3239,10 @@ bool cmMakefile::EnforceUniqueName(std::string const& name, std::string& msg,
return true;
case cmPolicies::REQUIRED_IF_USED:
case cmPolicies::REQUIRED_ALWAYS:
msg = this->GetPolicies()->
GetRequiredPolicyError(cmPolicies::CMP_0002);
return false;
this->IssueError(
this->GetPolicies()->GetRequiredPolicyError(cmPolicies::CMP_0002)
);
return true;
case cmPolicies::NEW:
break;
}

66
Source/cmPolicies.cxx
View File

@ -2,6 +2,7 @@
#include "cmake.h"
#include "cmMakefile.h"
#include "cmSourceFile.h"
#include "cmVersion.h"
#include <map>
#include <set>
#include <queue>
@ -86,15 +87,18 @@ cmPolicies::cmPolicies()
// define all the policies
this->DefinePolicy(
CMP_0000, "CMP_0000",
"Missing a CMake version specification. You must have a cmake_policy "
"call.",
"CMake requires that projects specify what version of CMake they have "
"been written to. The easiest way to do this is by placing a call to "
"cmake_policy at the top of your CMakeLists file. For example: "
"cmake_policy(VERSION 2.6) Replace "
"2.6 in that example with the verison of CMake you are writing to. "
"This policy is being put in place because it aids us in detecting "
"and maintaining backwards compatibility.",
"A policy version number must be specified.",
"CMake requires that projects specify the version of CMake to which "
"they have been written. "
"This policy has been put in place to help CMake maintain backwards "
"compatibility with existing projects while allowing it to evolve "
"more rapidly.\n"
"The easiest way to specify a policy version number is to "
"call the cmake_policy command at the top of your CMakeLists file:\n"
" cmake_policy(VERSION <major>.<minor>)\n"
"where <major>.<minor> is the version of CMake you want to support. "
"The cmake_minimum_required command may also be used; see its "
"documentation for details.",
2,6,0, cmPolicies::WARN
);
@ -378,7 +382,7 @@ std::string cmPolicies::GetPolicyWarning(cmPolicies::PolicyID id)
"Policy " << pos->second->IDString << " is not set: "
"" << pos->second->ShortDescription << "\n"
"Run \"cmake --help-policy " << pos->second->IDString << "\" for "
"policy details.\n"
"policy details. "
"Use the cmake_policy command to set the policy "
"and suppress this warning.";
return msg.str();
@ -402,7 +406,7 @@ std::string cmPolicies::GetRequiredPolicyError(cmPolicies::PolicyID id)
"Policy " << pos->second->IDString << " is not set to NEW: "
"" << pos->second->ShortDescription << "\n"
"Run \"cmake --help-policy " << pos->second->IDString << "\" for "
"policy details.\n"
"policy details. "
"CMake now requires this policy to be set to NEW by the project. "
"The policy may be set explicitly using the code\n"
" cmake_policy(SET " << pos->second->IDString << " NEW)\n"
@ -436,46 +440,38 @@ void cmPolicies::GetDocumentation(std::vector<cmDocumentationEntry>& v)
= this->Policies.begin();
for (;i != this->Policies.end(); ++i)
{
std::string full;
full += i->second->LongDescription;
full += "\nThis policy was introduced in CMake version ";
full += i->second->GetVersionString();
full += ". The version of CMake you are running ";
cmOStringStream full;
full << i->second->LongDescription;
full << "\nThis policy was introduced in CMake version ";
full << i->second->GetVersionString() << ". ";
full << "CMake version " << cmVersion::GetMajorVersion()
<< "." << cmVersion::GetMinorVersion() << " ";
// add in some more text here based on status
switch (i->second->Status)
{
case cmPolicies::WARN:
full += "defaults to warning about this policy. You can either "
"suppress the warning without fixing the issue by adding a "
"cmake_policy(SET ";
full += i->second->IDString;
full += " OLD) command to the top of your CMakeLists file or "
"you can change your code to use the new behavior and add "
"cmake_policy(SET ";
full += i->second->IDString;
full += " NEW) to your CMakeList file. If you are fixing all "
"issues with a new version of CMake you can add "
"cmake_policy(VERSION #.#) where #.# is the verison of CMake "
"you are updating to. This will tell CMake that you have fixed "
"all issues to use the new behavior.";
full << "defaults to WARN for this policy. "
<< "Use the cmake_policy command to set it to OLD or NEW.";
break;
case cmPolicies::OLD:
full += "defaults to the old behavior for this policy.";
full << "defaults to the OLD behavior for this policy.";
break;
case cmPolicies::NEW:
full += "defaults to the new behavior for this policy.";
full << "defaults to the NEW behavior for this policy.";
break;
case cmPolicies::REQUIRED_IF_USED:
full += "requires the new behavior for this policy."
"if you usee it.";
full << "requires the policy to be set to NEW if you use it. "
<< "Use the cmake_policy command to set it to NEW.";
break;
case cmPolicies::REQUIRED_ALWAYS:
full += "requires the new behavior for this policy.";
full << "requires the policy to be set to NEW. "
<< "Use the cmake_policy command to set it to NEW.";
break;
}
cmDocumentationEntry e(i->second->IDString.c_str(),
i->second->ShortDescription.c_str(),
full.c_str());
full.str().c_str());
v.push_back(e);
}
}