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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2015 - ROLI Ltd.
Permission is granted to use this software under the terms of either:
a) the GPL v2 (or any later version)
b) the Affero GPL v3
Details of these licenses can be found at: www.gnu.org/licenses
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
------------------------------------------------------------------------------
To release a closed-source product which uses JUCE, commercial licenses are
available: visit www.juce.com for more information.
==============================================================================
*/
class MakefileProjectExporter : public ProjectExporter
{
public:
//==============================================================================
static const char* getNameLinux() { return "Linux Makefile"; }
static const char* getValueTreeTypeName() { return "LINUX_MAKE"; }
Value getExtraPkgConfig() { return getSetting (Ids::linuxExtraPkgConfig); }
String getExtraPkgConfigString() const { return getSettingString (Ids::linuxExtraPkgConfig); }
static MakefileProjectExporter* createForSettings (Project& project, const ValueTree& settings)
{
if (settings.hasType (getValueTreeTypeName()))
return new MakefileProjectExporter (project, settings);
return nullptr;
}
//==============================================================================
MakefileProjectExporter (Project& p, const ValueTree& t) : ProjectExporter (p, t)
{
name = getNameLinux();
if (getTargetLocationString().isEmpty())
getTargetLocationValue() = getDefaultBuildsRootFolder() + "LinuxMakefile";
initialiseDependencyPathValues();
}
//==============================================================================
bool canLaunchProject() override { return false; }
bool launchProject() override { return false; }
bool usesMMFiles() const override { return false; }
bool canCopeWithDuplicateFiles() override { return false; }
bool supportsUserDefinedConfigurations() const override { return true; }
bool isXcode() const override { return false; }
bool isVisualStudio() const override { return false; }
bool isCodeBlocks() const override { return false; }
bool isMakefile() const override { return true; }
bool isAndroidStudio() const override { return false; }
bool isAndroidAnt() const override { return false; }
bool isAndroid() const override { return false; }
bool isWindows() const override { return false; }
bool isLinux() const override { return true; }
bool isOSX() const override { return false; }
bool isiOS() const override { return false; }
bool supportsVST() const override { return true; }
bool supportsVST3() const override { return false; }
bool supportsAAX() const override { return false; }
bool supportsRTAS() const override { return false; }
bool supportsAU() const override { return false; }
bool supportsAUv3() const override { return false; }
bool supportsStandalone() const override { return false; }
Value getCppStandardValue() { return getSetting (Ids::cppLanguageStandard); }
String getCppStandardString() const { return settings[Ids::cppLanguageStandard]; }
void createExporterProperties (PropertyListBuilder& properties) override
{
static const char* cppStandardNames[] = { "C++03", "C++11", "C++14", nullptr };
static const char* cppStandardValues[] = { "-std=c++03", "-std=c++11", "-std=c++14", nullptr };
properties.add (new ChoicePropertyComponent (getCppStandardValue(),
"C++ standard to use",
StringArray (cppStandardNames),
Array<var> (cppStandardValues)),
"The C++ standard to specify in the makefile");
properties.add (new TextPropertyComponent (getExtraPkgConfig(), "pkg-config libraries", 8192, false),
"Extra pkg-config libraries for you application. Each package should be space separated.");
}
//==============================================================================
void create (const OwnedArray<LibraryModule>&) const override
{
Array<RelativePath> files;
for (int i = 0; i < getAllGroups().size(); ++i)
findAllFilesToCompile (getAllGroups().getReference(i), files);
MemoryOutputStream mo;
writeMakefile (mo, files);
overwriteFileIfDifferentOrThrow (getTargetFolder().getChildFile ("Makefile"), mo);
}
//==============================================================================
void addPlatformSpecificSettingsForProjectType (const ProjectType& type) override
{
if (type.isStaticLibrary())
makefileTargetSuffix = ".a";
else if (type.isDynamicLibrary())
makefileTargetSuffix = ".so";
else if (type.isAudioPlugin())
makefileIsDLL = true;
}
protected:
//==============================================================================
class MakeBuildConfiguration : public BuildConfiguration
{
public:
MakeBuildConfiguration (Project& p, const ValueTree& settings, const ProjectExporter& e)
: BuildConfiguration (p, settings, e)
{
}
Value getArchitectureType() { return getValue (Ids::linuxArchitecture); }
var getArchitectureTypeVar() const { return config [Ids::linuxArchitecture]; }
var getDefaultOptimisationLevel() const override { return var ((int) (isDebug() ? gccO0 : gccO3)); }
void createConfigProperties (PropertyListBuilder& props) override
{
addGCCOptimisationProperty (props);
static const char* const archNames[] = { "(Default)", "<None>", "32-bit (-m32)", "64-bit (-m64)", "ARM v6", "ARM v7" };
const var archFlags[] = { var(), var (String()), "-m32", "-m64", "-march=armv6", "-march=armv7" };
props.add (new ChoicePropertyComponent (getArchitectureType(), "Architecture",
StringArray (archNames, numElementsInArray (archNames)),
Array<var> (archFlags, numElementsInArray (archFlags))));
}
};
BuildConfiguration::Ptr createBuildConfig (const ValueTree& tree) const override
{
return new MakeBuildConfiguration (project, tree, *this);
}
private:
//==============================================================================
void findAllFilesToCompile (const Project::Item& projectItem, Array<RelativePath>& results) const
{
if (projectItem.isGroup())
{
for (int i = 0; i < projectItem.getNumChildren(); ++i)
findAllFilesToCompile (projectItem.getChild(i), results);
}
else
{
if (projectItem.shouldBeCompiled())
results.add (RelativePath (projectItem.getFile(), getTargetFolder(), RelativePath::buildTargetFolder));
}
}
void writeDefineFlags (OutputStream& out, const BuildConfiguration& config) const
{
StringPairArray defines;
defines.set ("LINUX", "1");
if (config.isDebug())
{
defines.set ("DEBUG", "1");
defines.set ("_DEBUG", "1");
}
else
{
defines.set ("NDEBUG", "1");
}
out << createGCCPreprocessorFlags (mergePreprocessorDefs (defines, getAllPreprocessorDefs (config)));
}
void writeHeaderPathFlags (OutputStream& out, const BuildConfiguration& config) const
{
StringArray searchPaths (extraSearchPaths);
searchPaths.addArray (config.getHeaderSearchPaths());
StringArray packages;
packages.addTokens (getExtraPkgConfigString(), " ", "\"'");
packages.removeEmptyStrings();
if (linuxPackages.size() > 0 || packages.size() > 0)
{
out << " $(shell pkg-config --cflags";
for (int i = 0; i < linuxPackages.size(); ++i)
out << " " << linuxPackages[i];
for (int i = 0; i < packages.size(); ++i)
out << " " << packages[i];
out << ")";
}
if (linuxLibs.contains("pthread"))
out << " -pthread";
searchPaths = getCleanedStringArray (searchPaths);
// Replace ~ character with $(HOME) environment variable
for (int i = 0; i < searchPaths.size(); ++i)
out << " -I" << escapeSpaces (FileHelpers::unixStylePath (replacePreprocessorTokens (config, searchPaths[i]))).replace ("~", "$(HOME)");
}
void writeCppFlags (OutputStream& out, const BuildConfiguration& config) const
{
out << " JUCE_CPPFLAGS := $(DEPFLAGS)";
writeDefineFlags (out, config);
writeHeaderPathFlags (out, config);
out << newLine;
}
void writeLinkerFlags (OutputStream& out, const BuildConfiguration& config) const
{
out << " JUCE_LDFLAGS += $(LDFLAGS) $(TARGET_ARCH) -L$(JUCE_BINDIR) -L$(JUCE_LIBDIR)";
{
StringArray flags (makefileExtraLinkerFlags);
if (makefileIsDLL)
flags.add ("-shared");
if (! config.isDebug())
flags.add ("-fvisibility=hidden");
if (flags.size() > 0)
out << " " << getCleanedStringArray (flags).joinIntoString (" ");
}
out << config.getGCCLibraryPathFlags();
StringArray packages;
packages.addTokens (getExtraPkgConfigString(), " ", "\"'");
packages.removeEmptyStrings();
if (linuxPackages.size() > 0 || packages.size() > 0)
{
out << " $(shell pkg-config --libs";
for (int i = 0; i < linuxPackages.size(); ++i)
out << " " << linuxPackages[i];
for (int i = 0; i < packages.size(); ++i)
out << " " << packages[i];
out << ")";
}
for (int i = 0; i < linuxLibs.size(); ++i)
out << " -l" << linuxLibs[i];
StringArray libraries;
libraries.addTokens (getExternalLibrariesString(), ";", "\"'");
libraries.removeEmptyStrings();
if (libraries.size() != 0)
out << " -l" << replacePreprocessorTokens (config, libraries.joinIntoString (" -l")).trim();
out << " " << replacePreprocessorTokens (config, getExtraLinkerFlagsString()).trim()
<< newLine;
}
void writeConfig (OutputStream& out, const BuildConfiguration& config) const
{
const String buildDirName ("build");
const String intermediatesDirName (buildDirName + "/intermediate/" + config.getName());
String outputDir (buildDirName);
if (config.getTargetBinaryRelativePathString().isNotEmpty())
{
RelativePath binaryPath (config.getTargetBinaryRelativePathString(), RelativePath::projectFolder);
outputDir = binaryPath.rebased (projectFolder, getTargetFolder(), RelativePath::buildTargetFolder).toUnixStyle();
}
out << "ifeq ($(CONFIG)," << escapeSpaces (config.getName()) << ")" << newLine;
out << " JUCE_BINDIR := " << escapeSpaces (buildDirName) << newLine
<< " JUCE_LIBDIR := " << escapeSpaces (buildDirName) << newLine
<< " JUCE_OBJDIR := " << escapeSpaces (intermediatesDirName) << newLine
<< " JUCE_OUTDIR := " << escapeSpaces (outputDir) << newLine
<< newLine
<< " ifeq ($(TARGET_ARCH),)" << newLine
<< " TARGET_ARCH := " << getArchFlags (config) << newLine
<< " endif" << newLine
<< newLine;
writeCppFlags (out, config);
out << " JUCE_CFLAGS += $(CFLAGS) $(JUCE_CPPFLAGS) $(TARGET_ARCH)";
if (config.isDebug())
out << " -g -ggdb";
if (makefileIsDLL)
out << " -fPIC";
out << " -O" << config.getGCCOptimisationFlag()
<< (" " + replacePreprocessorTokens (config, getExtraCompilerFlagsString())).trimEnd()
<< newLine;
String cppStandardToUse (getCppStandardString());
if (cppStandardToUse.isEmpty())
cppStandardToUse = "-std=c++11";
out << " JUCE_CXXFLAGS += $(CXXFLAGS) $(JUCE_CFLAGS) "
<< cppStandardToUse
<< newLine;
writeLinkerFlags (out, config);
out << newLine;
String targetName (replacePreprocessorTokens (config, config.getTargetBinaryNameString()));
if (projectType.isStaticLibrary() || projectType.isDynamicLibrary())
targetName = getLibbedFilename (targetName);
else
targetName = targetName.upToLastOccurrenceOf (".", false, false) + makefileTargetSuffix;
out << " TARGET := " << escapeSpaces (targetName) << newLine;
if (projectType.isStaticLibrary())
out << " BLDCMD = $(AR) -rcs $(JUCE_OUTDIR)/$(TARGET) $(OBJECTS)" << newLine;
else
out << " BLDCMD = $(CXX) -o $(JUCE_OUTDIR)/$(TARGET) $(OBJECTS) $(JUCE_LDFLAGS) $(RESOURCES) $(TARGET_ARCH)" << newLine;
out << " CLEANCMD = rm -rf $(JUCE_OUTDIR)/$(TARGET) $(JUCE_OBJDIR)" << newLine
<< "endif" << newLine
<< newLine;
}
void writeObjects (OutputStream& out, const Array<RelativePath>& files) const
{
out << "OBJECTS := \\" << newLine;
for (int i = 0; i < files.size(); ++i)
if (shouldFileBeCompiledByDefault (files.getReference(i)))
out << " $(JUCE_OBJDIR)/" << escapeSpaces (getObjectFileFor (files.getReference(i))) << " \\" << newLine;
out << newLine;
}
void writeMakefile (OutputStream& out, const Array<RelativePath>& files) const
{
out << "# Automatically generated makefile, created by the Projucer" << newLine
<< "# Don't edit this file! Your changes will be overwritten when you re-save the Projucer project!" << newLine
<< newLine;
out << "# (this disables dependency generation if multiple architectures are set)" << newLine
<< "DEPFLAGS := $(if $(word 2, $(TARGET_ARCH)), , -MMD)" << newLine
<< newLine;
out << "ifndef STRIP" << newLine
<< " STRIP=strip" << newLine
<< "endif" << newLine
<< newLine;
out << "ifndef AR" << newLine
<< " AR=ar" << newLine
<< "endif" << newLine
<< newLine;
out << "ifndef CONFIG" << newLine
<< " CONFIG=" << escapeSpaces (getConfiguration(0)->getName()) << newLine
<< "endif" << newLine
<< newLine;
for (ConstConfigIterator config (*this); config.next();)
writeConfig (out, *config);
writeObjects (out, files);
out << ".PHONY: clean" << newLine
<< newLine;
StringArray packages;
packages.addTokens (getExtraPkgConfigString(), " ", "\"'");
packages.removeEmptyStrings();
bool useLinuxPackages = (linuxPackages.size() > 0 || packages.size() > 0);
out << "$(JUCE_OUTDIR)/$(TARGET): "
<< ((useLinuxPackages) ? "check-pkg-config " : "")
<< "$(OBJECTS) $(RESOURCES)" << newLine
<< "\t@echo Linking " << projectName << newLine
<< "\t-@mkdir -p $(JUCE_BINDIR)" << newLine
<< "\t-@mkdir -p $(JUCE_LIBDIR)" << newLine
<< "\t-@mkdir -p $(JUCE_OUTDIR)" << newLine
<< "\t@$(BLDCMD)" << newLine
<< newLine;
if (useLinuxPackages)
{
out << "check-pkg-config:" << newLine
<< "\t@command -v pkg-config >/dev/null 2>&1 || "
"{ echo >&2 \"pkg-config not installed. Please, install it.\"; "
"exit 1; }" << newLine
<< "\t@pkg-config --print-errors";
for (int i = 0; i < linuxPackages.size(); ++i)
out << " " << linuxPackages[i];
for (int i = 0; i < packages.size(); ++i)
out << " " << packages[i];
out << newLine << newLine;
}
out << "clean:" << newLine
<< "\t@echo Cleaning " << projectName << newLine
<< "\t@$(CLEANCMD)" << newLine
<< newLine;
out << "strip:" << newLine
<< "\t@echo Stripping " << projectName << newLine
<< "\t-@$(STRIP) --strip-unneeded $(JUCE_OUTDIR)/$(TARGET)" << newLine
<< newLine;
for (int i = 0; i < files.size(); ++i)
{
if (shouldFileBeCompiledByDefault (files.getReference(i)))
{
jassert (files.getReference(i).getRoot() == RelativePath::buildTargetFolder);
out << "$(JUCE_OBJDIR)/" << escapeSpaces (getObjectFileFor (files.getReference(i)))
<< ": " << escapeSpaces (files.getReference(i).toUnixStyle()) << newLine
<< "\t-@mkdir -p $(JUCE_OBJDIR)" << newLine
<< "\t@echo \"Compiling " << files.getReference(i).getFileName() << "\"" << newLine
<< (files.getReference(i).hasFileExtension ("c;s;S") ? "\t@$(CC) $(JUCE_CFLAGS) -o \"$@\" -c \"$<\""
: "\t@$(CXX) $(JUCE_CXXFLAGS) -o \"$@\" -c \"$<\"")
<< newLine << newLine;
}
}
out << "-include $(OBJECTS:%.o=%.d)" << newLine;
}
String getArchFlags (const BuildConfiguration& config) const
{
if (const MakeBuildConfiguration* makeConfig = dynamic_cast<const MakeBuildConfiguration*> (&config))
if (! makeConfig->getArchitectureTypeVar().isVoid())
return makeConfig->getArchitectureTypeVar();
return "-march=native";
}
String getObjectFileFor (const RelativePath& file) const
{
return file.getFileNameWithoutExtension()
+ "_" + String::toHexString (file.toUnixStyle().hashCode()) + ".o";
}
void initialiseDependencyPathValues()
{
vst3Path.referTo (Value (new DependencyPathValueSource (getSetting (Ids::vst3Folder),
Ids::vst3Path,
TargetOS::linux)));
}
JUCE_DECLARE_NON_COPYABLE (MakefileProjectExporter)
};
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