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project: cleanup variable creation

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This commit is contained in:
Vito Gamberini
2025-04-23 12:23:54 -04:00
parent 0a0f33dfad
commit c4d12d7d1f
1 changed files with 17 additions and 75 deletions
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92
Source/cmProjectCommand.cxx
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@@ -130,17 +130,7 @@ bool cmProjectCommand(std::vector<std::string> const& args,
mf.AddDefinition(varName, mf.IsRootMakefile() ? "ON" : "OFF");
}
// Set the CMAKE_PROJECT_NAME variable to be the highest-level
// project name in the tree. If there are two project commands
// in the same CMakeLists.txt file, and it is the top level
// CMakeLists.txt file, then go with the last one, so that
// CMAKE_PROJECT_NAME will match PROJECT_NAME, and cmake --build
// will work.
if (!mf.GetDefinition("CMAKE_PROJECT_NAME") || mf.IsRootMakefile()) {
mf.RemoveDefinition("CMAKE_PROJECT_NAME");
mf.AddCacheDefinition("CMAKE_PROJECT_NAME", *prArgs.ProjectName,
"Value Computed by CMake", cmStateEnums::STATIC);
}
TopLevelCMakeVarCondSet(mf, "CMAKE_PROJECT_NAME", *prArgs.ProjectName);
std::set<cm::string_view> seenKeywords;
for (cm::string_view keyword : parsedKeywords) {
@@ -178,6 +168,10 @@ bool cmProjectCommand(std::vector<std::string> const& args,
prArgs.Languages->emplace_back("NONE");
}
constexpr std::size_t MAX_VERSION_COMPONENTS = 4u;
std::string version_string;
std::array<std::string, MAX_VERSION_COMPONENTS> version_components;
if (prArgs.Version) {
cmsys::RegularExpression vx(
R"(^([0-9]+(\.[0-9]+(\.[0-9]+(\.[0-9]+)?)?)?)?$)");
@@ -192,10 +186,6 @@ bool cmProjectCommand(std::vector<std::string> const& args,
cmPolicies::PolicyStatus const cmp0096 =
mf.GetPolicyStatus(cmPolicies::CMP0096);
constexpr std::size_t MAX_VERSION_COMPONENTS = 4u;
std::string version_string;
std::array<std::string, MAX_VERSION_COMPONENTS> version_components;
if (cmp0096 == cmPolicies::OLD || cmp0096 == cmPolicies::WARN) {
constexpr size_t maxIntLength =
std::numeric_limits<unsigned>::digits10 + 2;
@@ -223,69 +213,21 @@ bool cmProjectCommand(std::vector<std::string> const& args,
version_components[i] = std::move(components[i]);
}
}
std::string vv;
vv = *prArgs.ProjectName + "_VERSION";
mf.AddDefinition("PROJECT_VERSION", version_string);
mf.AddDefinition(vv, version_string);
vv = *prArgs.ProjectName + "_VERSION_MAJOR";
mf.AddDefinition("PROJECT_VERSION_MAJOR", version_components[0]);
mf.AddDefinition(vv, version_components[0]);
vv = *prArgs.ProjectName + "_VERSION_MINOR";
mf.AddDefinition("PROJECT_VERSION_MINOR", version_components[1]);
mf.AddDefinition(vv, version_components[1]);
vv = *prArgs.ProjectName + "_VERSION_PATCH";
mf.AddDefinition("PROJECT_VERSION_PATCH", version_components[2]);
mf.AddDefinition(vv, version_components[2]);
vv = *prArgs.ProjectName + "_VERSION_TWEAK";
mf.AddDefinition("PROJECT_VERSION_TWEAK", version_components[3]);
mf.AddDefinition(vv, version_components[3]);
// Also, try set top level variables
TopLevelCMakeVarCondSet(mf, "CMAKE_PROJECT_VERSION", version_string);
TopLevelCMakeVarCondSet(mf, "CMAKE_PROJECT_VERSION_MAJOR",
version_components[0]);
TopLevelCMakeVarCondSet(mf, "CMAKE_PROJECT_VERSION_MINOR",
version_components[1]);
TopLevelCMakeVarCondSet(mf, "CMAKE_PROJECT_VERSION_PATCH",
version_components[2]);
TopLevelCMakeVarCondSet(mf, "CMAKE_PROJECT_VERSION_TWEAK",
version_components[3]);
} else {
// Set project VERSION variables to empty
std::vector<std::string> vv = { "PROJECT_VERSION",
"PROJECT_VERSION_MAJOR",
"PROJECT_VERSION_MINOR",
"PROJECT_VERSION_PATCH",
"PROJECT_VERSION_TWEAK",
*prArgs.ProjectName + "_VERSION",
*prArgs.ProjectName + "_VERSION_MAJOR",
*prArgs.ProjectName + "_VERSION_MINOR",
*prArgs.ProjectName + "_VERSION_PATCH",
*prArgs.ProjectName + "_VERSION_TWEAK" };
if (mf.IsRootMakefile()) {
vv.emplace_back("CMAKE_PROJECT_VERSION");
vv.emplace_back("CMAKE_PROJECT_VERSION_MAJOR");
vv.emplace_back("CMAKE_PROJECT_VERSION_MINOR");
vv.emplace_back("CMAKE_PROJECT_VERSION_PATCH");
vv.emplace_back("CMAKE_PROJECT_VERSION_TWEAK");
}
for (std::string const& i : vv) {
cmValue v = mf.GetDefinition(i);
if (cmNonempty(v)) {
mf.AddDefinition(i, "");
}
}
}
std::string const& desc = prArgs.Description.value_or("");
mf.AddDefinition("PROJECT_DESCRIPTION", desc);
mf.AddDefinition(*prArgs.ProjectName + "_DESCRIPTION", desc);
TopLevelCMakeVarCondSet(mf, "CMAKE_PROJECT_DESCRIPTION", desc);
auto create_variables = [&](cm::string_view var, std::string const& val) {
mf.AddDefinition(cmStrCat("PROJECT_"_s, var), val);
mf.AddDefinition(cmStrCat(*prArgs.ProjectName, "_"_s, var), val);
TopLevelCMakeVarCondSet(mf, cmStrCat("CMAKE_PROJECT_"_s, var), val);
};
std::string const& url = prArgs.HomepageURL.value_or("");
mf.AddDefinition("PROJECT_HOMEPAGE_URL", url);
mf.AddDefinition(*prArgs.ProjectName + "_HOMEPAGE_URL", url);
TopLevelCMakeVarCondSet(mf, "CMAKE_PROJECT_HOMEPAGE_URL", url);
create_variables("VERSION"_s, version_string);
create_variables("VERSION_MAJOR"_s, version_components[0]);
create_variables("VERSION_MINOR"_s, version_components[1]);
create_variables("VERSION_PATCH"_s, version_components[2]);
create_variables("VERSION_TWEAK"_s, version_components[3]);
create_variables("DESCRIPTION"_s, prArgs.Description.value_or(""));
create_variables("HOMEPAGE_URL"_s, prArgs.HomepageURL.value_or(""));
if (unparsedArgs.empty() && !prArgs.Languages) {
// if no language is specified do c and c++