func (t *TargetBuilder) PrepBuild() error {
cfgResolution, err := t.ExportCfg()
if err != nil {
return err
}
flashErrText := t.bspPkg.FlashMap.ErrorText()
if flashErrText != "" {
return util.NewNewtError(flashErrText)
}
if err := t.validateAndWriteCfg(cfgResolution); err != nil {
return err
}
loaderPkgs, appPkgs, err := t.resolvePkgs(cfgResolution)
if err != nil {
return err
}
if loaderPkgs != nil {
t.LoaderBuilder, err = NewBuilder(t, BUILD_NAME_LOADER, loaderPkgs,
cfgResolution.ApiMap, cfgResolution.Cfg)
if err != nil {
return err
}
if err := t.LoaderBuilder.PrepBuild(); err != nil {
return err
}
loaderFlags := toolchain.NewCompilerInfo()
loaderFlags.Cflags = append(loaderFlags.Cflags, "-DSPLIT_LOADER")
t.LoaderBuilder.AddCompilerInfo(loaderFlags)
t.LoaderList = project.ResetDeps(nil)
}
t.AppBuilder, err = NewBuilder(t, BUILD_NAME_APP, appPkgs,
cfgResolution.ApiMap, cfgResolution.Cfg)
if err != nil {
return err
}
if err := t.AppBuilder.PrepBuild(); err != nil {
return err
}
if loaderPkgs != nil {
appFlags := toolchain.NewCompilerInfo()
appFlags.Cflags = append(appFlags.Cflags, "-DSPLIT_APPLICATION")
t.AppBuilder.AddCompilerInfo(appFlags)
}
t.AppList = project.ResetDeps(nil)
if err := t.generateCode(cfgResolution); err != nil {
return err
}
return nil
}
// Populates the builder with all the packages that need to be built and
// configures each package's build settings. After this function executes,
// packages are ready to be built.
func (b *Builder) PrepBuild() error {
// Populate the full set of packages to be built.
for _, bpkg := range b.PkgMap {
if err := bpkg.resolveDeps(b.cfg, b.apiMap); err != nil {
return err
}
}
b.logDepInfo()
// Populate the base set of compiler flags. Flags from the following
// packages get applied to every source file:
// * target
// * app (if present)
// * bsp
// * compiler (not added here)
//
// In the case of conflicting flags, the higher priority package's flag
// wins. Package priorities are assigned as follows (highest priority
// first):
// * target
// * app (if present)
// * bsp
// * <library package>
// * compiler
baseCi := toolchain.NewCompilerInfo()
// Target flags.
log.Debugf("Generating build flags for target %s",
b.targetPkg.FullName())
targetCi, err := b.targetPkg.CompilerInfo(b)
if err != nil {
return err
}
baseCi.AddCompilerInfo(targetCi)
// App flags.
if b.appPkg != nil {
log.Debugf("Generating build flags for app %s", b.appPkg.FullName())
appCi, err := b.appPkg.CompilerInfo(b)
if err != nil {
return err
}
baseCi.AddCompilerInfo(appCi)
}
// Bsp flags.
log.Debugf("Generating build flags for bsp %s", b.bspPkg.FullName())
bspCi, err := b.bspPkg.CompilerInfo(b)
if err != nil {
return err
}
// Define a cpp symbol indicating the BSP architecture, name of the
// BSP and app.
archName := b.targetBuilder.bspPkg.Arch
bspCi.Cflags = append(bspCi.Cflags, "-DARCH_"+util.CIdentifier(archName))
bspCi.Cflags = append(bspCi.Cflags, "-DARCH_NAME=\""+archName+"\"")
if b.appPkg != nil {
appName := filepath.Base(b.appPkg.Name())
bspCi.Cflags = append(bspCi.Cflags, "-DAPP_"+util.CIdentifier(appName))
bspCi.Cflags = append(bspCi.Cflags, "-DAPP_NAME=\""+appName+"\"")
}
bspName := filepath.Base(b.bspPkg.Name())
bspCi.Cflags = append(bspCi.Cflags, "-DBSP_"+util.CIdentifier(bspName))
bspCi.Cflags = append(bspCi.Cflags, "-DBSP_NAME=\""+bspName+"\"")
baseCi.AddCompilerInfo(bspCi)
// All packages have access to the generated code header directory.
baseCi.Cflags = append(baseCi.Cflags,
"-I"+GeneratedIncludeDir(b.targetPkg.Name()))
// Note: Compiler flags get added at the end, after the flags for library
// package being built are calculated.
b.compilerInfo = baseCi
return nil
}
func (bpkg *BuildPackage) CompilerInfo(
b *Builder) (*toolchain.CompilerInfo, error) {
// If this package's compiler info has already been generated, returned the
// cached copy.
if bpkg.ci != nil {
return bpkg.ci, nil
}
ci := toolchain.NewCompilerInfo()
features := b.cfg.FeaturesForLpkg(bpkg.LocalPackage)
ci.Cflags = newtutil.GetStringSliceFeatures(bpkg.PkgV, features,
"pkg.cflags")
ci.Lflags = newtutil.GetStringSliceFeatures(bpkg.PkgV, features,
"pkg.lflags")
ci.Aflags = newtutil.GetStringSliceFeatures(bpkg.PkgV, features,
"pkg.aflags")
// Package-specific injected settings get specified as C flags on the
// command line.
for k, _ := range bpkg.InjectedSettings() {
ci.Cflags = append(ci.Cflags, syscfg.FeatureToCflag(k))
}
ci.IgnoreFiles = []*regexp.Regexp{}
ignPats := newtutil.GetStringSliceFeatures(bpkg.PkgV,
features, "pkg.ign_files")
for _, str := range ignPats {
re, err := regexp.Compile(str)
if err != nil {
return nil, util.NewNewtError(
"Ignore files, unable to compile re: " + err.Error())
}
ci.IgnoreFiles = append(ci.IgnoreFiles, re)
}
ci.IgnoreDirs = []*regexp.Regexp{}
ignPats = newtutil.GetStringSliceFeatures(bpkg.PkgV,
features, "pkg.ign_dirs")
for _, str := range ignPats {
re, err := regexp.Compile(str)
if err != nil {
return nil, util.NewNewtError(
"Ignore dirs, unable to compile re: " + err.Error())
}
ci.IgnoreDirs = append(ci.IgnoreDirs, re)
}
bpkg.SourceDirectories = newtutil.GetStringSliceFeatures(bpkg.PkgV,
features, "pkg.src_dirs")
includePaths, err := bpkg.recursiveIncludePaths(b)
if err != nil {
return nil, err
}
ci.Includes = append(bpkg.privateIncludeDirs(b), includePaths...)
bpkg.ci = ci
return bpkg.ci, nil
}