Add soong_build primary builder
Initial build logic for building android with soong. It can build
a variety of C and C++ files for arm/arm64 and host.
Change-Id: I10eb37c2c2a50be6af1bb5fd568c0962b9476bf0
diff --git a/cc/arm64_device.go b/cc/arm64_device.go
new file mode 100644
index 0000000..4b1598f
--- /dev/null
+++ b/cc/arm64_device.go
@@ -0,0 +1,137 @@
+package cc
+
+import (
+ "strings"
+
+ "android/soong/common"
+)
+
+var (
+ arm64Cflags = []string{
+ "-fno-exceptions", // from build/core/combo/select.mk
+ "-Wno-multichar", // from build/core/combo/select.mk
+ "-fno-strict-aliasing",
+ "-fstack-protector",
+ "-ffunction-sections",
+ "-fdata-sections",
+ "-funwind-tables",
+ "-Wa,--noexecstack",
+ "-Werror=format-security",
+ "-D_FORTIFY_SOURCE=2",
+ "-fno-short-enums",
+ "-no-canonical-prefixes",
+ "-fno-canonical-system-headers",
+ "-include ${SrcDir}/build/core/combo/include/arch/linux-arm64/AndroidConfig.h",
+
+ // Help catch common 32/64-bit errors.
+ "-Werror=pointer-to-int-cast",
+ "-Werror=int-to-pointer-cast",
+
+ "-fno-strict-volatile-bitfields",
+
+ // TARGET_RELEASE_CFLAGS
+ "-DNDEBUG",
+ "-O2 -g",
+ "-Wstrict-aliasing=2",
+ "-fgcse-after-reload",
+ "-frerun-cse-after-loop",
+ "-frename-registers",
+ }
+
+ arm64Ldflags = []string{
+ "-Wl,-z,noexecstack",
+ "-Wl,-z,relro",
+ "-Wl,-z,now",
+ "-Wl,--build-id=md5",
+ "-Wl,--warn-shared-textrel",
+ "-Wl,--fatal-warnings",
+ "-Wl,-maarch64linux",
+ "-Wl,--hash-style=gnu",
+
+ // Disable transitive dependency library symbol resolving.
+ "-Wl,--allow-shlib-undefined",
+ }
+
+ arm64Cppflags = []string{
+ "-fvisibility-inlines-hidden",
+ }
+)
+
+func init() {
+ pctx.StaticVariable("arm64GccVersion", "4.9")
+
+ pctx.StaticVariable("arm64GccRoot",
+ "${SrcDir}/prebuilts/gcc/${HostPrebuiltTag}/aarch64/aarch64-linux-android-${arm64GccVersion}")
+
+ pctx.StaticVariable("arm64GccTriple", "aarch64-linux-android")
+
+ pctx.StaticVariable("arm64Cflags", strings.Join(arm64Cflags, " "))
+ pctx.StaticVariable("arm64Ldflags", strings.Join(arm64Ldflags, " "))
+ pctx.StaticVariable("arm64Cppflags", strings.Join(arm64Cppflags, " "))
+ pctx.StaticVariable("arm64IncludeFlags", strings.Join([]string{
+ "-isystem ${LibcRoot}/arch-arm64/include",
+ "-isystem ${LibcRoot}/include",
+ "-isystem ${LibcRoot}/kernel/uapi",
+ "-isystem ${LibcRoot}/kernel/uapi/asm-arm64",
+ "-isystem ${LibmRoot}/include",
+ "-isystem ${LibmRoot}/include/arm64",
+ }, " "))
+
+ pctx.StaticVariable("arm64ClangCflags", strings.Join(clangFilterUnknownCflags(arm64Cflags), " "))
+ pctx.StaticVariable("arm64ClangLdflags", strings.Join(clangFilterUnknownCflags(arm64Ldflags), " "))
+ pctx.StaticVariable("arm64ClangCppflags", strings.Join(clangFilterUnknownCflags(arm64Cppflags), " "))
+}
+
+type toolchainArm64 struct {
+ toolchain64Bit
+}
+
+var toolchainArm64Singleton = &toolchainArm64{}
+
+func (t *toolchainArm64) GccRoot() string {
+ return "${arm64GccRoot}"
+}
+
+func (t *toolchainArm64) GccTriple() string {
+ return "${arm64GccTriple}"
+}
+
+func (t *toolchainArm64) Cflags() string {
+ return "${arm64Cflags} ${arm64IncludeFlags}"
+}
+
+func (t *toolchainArm64) Cppflags() string {
+ return "${arm64Cppflags}"
+}
+
+func (t *toolchainArm64) Ldflags() string {
+ return "${arm64Ldflags}"
+}
+
+func (t *toolchainArm64) IncludeFlags() string {
+ return "${arm64IncludeFlags}"
+}
+
+func (t *toolchainArm64) ClangTriple() string {
+ return "${arm64GccTriple}"
+}
+
+func (t *toolchainArm64) ClangCflags() string {
+ return "${arm64ClangCflags}"
+}
+
+func (t *toolchainArm64) ClangCppflags() string {
+ return "${arm64ClangCppflags}"
+}
+
+func (t *toolchainArm64) ClangLdflags() string {
+ return "${arm64Ldflags}"
+}
+
+func arm64ToolchainFactory(archVariant string, cpuVariant string) toolchain {
+ return toolchainArm64Singleton
+}
+
+func init() {
+ registerToolchainFactory(common.Device, common.Arm64, arm64ToolchainFactory)
+}