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FASTBuild: optimize try_compile builds

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The generator does a lot of tricks in order to make the "rebuild-bff"
target up-to-date immediately after the generation. We can skip all of
those during "TryCompile" runs, which should reduce configure time.
This commit is contained in:
Eduard Voronkin
2025-10-22 17:32:48 -07:00
committed by Eduard Voronkin
parent e00b84ec13
commit e42881422f
24 changed files with 76 additions and 51 deletions
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Source/cmGlobalGenerator.h
+16 -9
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@@ -108,6 +108,11 @@ class cmGlobalGenerator
{
public:
using LocalGeneratorVector = std::vector<std::unique_ptr<cmLocalGenerator>>;
enum class BuildTryCompile
{
No,
Yes,
};
//! Free any memory allocated with the GlobalGenerator
cmGlobalGenerator(cmake* cm);
@@ -253,14 +258,15 @@ public:
* empty then all is assumed. clean indicates if a "make clean" should be
* done first.
*/
int Build(int jobs, std::string const& srcdir, std::string const& bindir,
std::string const& projectName,
std::vector<std::string> const& targetNames, std::ostream& ostr,
std::string const& makeProgram, std::string const& config,
cmBuildOptions buildOptions, bool verbose, cmDuration timeout,
cmSystemTools::OutputOption outputMode,
std::vector<std::string> const& nativeOptions =
std::vector<std::string>());
int Build(
int jobs, std::string const& srcdir, std::string const& bindir,
std::string const& projectName,
std::vector<std::string> const& targetNames, std::ostream& ostr,
std::string const& makeProgram, std::string const& config,
cmBuildOptions buildOptions, bool verbose, cmDuration timeout,
cmSystemTools::OutputOption outputMode,
std::vector<std::string> const& nativeOptions = std::vector<std::string>(),
BuildTryCompile isInTryCompile = BuildTryCompile::No);
/**
* Open a generated IDE project given the following information.
@@ -277,7 +283,8 @@ public:
std::string const& projectDir, std::vector<std::string> const& targetNames,
std::string const& config, int jobs, bool verbose,
cmBuildOptions buildOptions = cmBuildOptions(),
std::vector<std::string> const& makeOptions = std::vector<std::string>());
std::vector<std::string> const& makeOptions = std::vector<std::string>(),
BuildTryCompile isInTryCompile = BuildTryCompile::No);
virtual void PrintBuildCommandAdvice(std::ostream& os, int jobs) const;