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Add cflags sub-property to 'pgo'

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This (possibly arch-specific) property adds extra flags while building
for profiling.  For example, dex2oat requires setting
'-Wno-frame-larger-than' when instrumentation is enabled.

Test: Build 'pgo' module with the new property and inspect build.ninja
Change-Id: Ia36422a400b0e0b87cbb33b1c8e565569475a56d
This commit is contained in:
Pirama Arumuga Nainar 2017-12-13 16:48:20 -08:00
parent 7434c565ff
commit 690ed55363
1 changed files with 5 additions and 0 deletions
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5
cc/pgo.go
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@ -42,6 +42,9 @@ type PgoProperties struct {
Profile_file *string `android:"arch_variant"`
Benchmarks []string
Enable_profile_use *bool `android:"arch_variant"`
// Additional compiler flags to use when building this module
// for profiling (either instrumentation or sampling).
Cflags []string `android:"arch_variant"`
} `android:"arch_variant"`
PgoPresent bool `blueprint:"mutated"`
@ -65,6 +68,8 @@ func (pgo *pgo) props() []interface{} {
}
func (props *PgoProperties) addProfileGatherFlags(ctx ModuleContext, flags Flags) Flags {
flags.CFlags = append(flags.CFlags, props.Pgo.Cflags...)
if props.isInstrumentation() {
flags.CFlags = append(flags.CFlags, profileInstrumentFlag)
// The profile runtime is added below in deps(). Add the below