internal/rosa/llvm: arch-specific patches

Broken aarch64 tests in LLVM seem unlikely to be fixed soon.

Signed-off-by: Ophestra <cat@gensokyo.uk>

cmd/earlyinit/main.go

@@ -4,6 +4,7 @@ import (
 	"log"
 	"os"
 	"runtime"
+	"strings"
 	. "syscall"
 )
 
@@ -12,6 +13,22 @@ func main() {
 	log.SetFlags(0)
 	log.SetPrefix("earlyinit: ")
 
+	var (
+		option map[string]string
+		flags  []string
+	)
+	if len(os.Args) > 1 {
+		option = make(map[string]string)
+		for _, s := range os.Args[1:] {
+			key, value, ok := strings.Cut(s, "=")
+			if !ok {
+				flags = append(flags, s)
+				continue
+			}
+			option[key] = value
+		}
+	}
+
 	if err := Mount(
 		"devtmpfs",
 		"/dev/",
@@ -55,4 +72,56 @@ func main() {
 		}
 	}
 
+	// staying in rootfs, these are no longer used
+	must(os.Remove("/root"))
+	must(os.Remove("/init"))
+
+	must(os.Mkdir("/proc", 0))
+	mustSyscall("mount proc", Mount(
+		"proc",
+		"/proc",
+		"proc",
+		MS_NOSUID|MS_NOEXEC|MS_NODEV,
+		"hidepid=1",
+	))
+
+	must(os.Mkdir("/sys", 0))
+	mustSyscall("mount sysfs", Mount(
+		"sysfs",
+		"/sys",
+		"sysfs",
+		0,
+		"",
+	))
+
+	// after top level has been set up
+	mustSyscall("remount root", Mount(
+		"",
+		"/",
+		"",
+		MS_REMOUNT|MS_BIND|
+			MS_RDONLY|MS_NODEV|MS_NOSUID|MS_NOEXEC,
+		"",
+	))
+
+	must(os.WriteFile(
+		"/sys/module/firmware_class/parameters/path",
+		[]byte("/system/lib/firmware"),
+		0,
+	))
+
+}
+
+// mustSyscall calls [log.Fatalln] if err is non-nil.
+func mustSyscall(action string, err error) {
+	if err != nil {
+		log.Fatalln("cannot "+action+":", err)
+	}
+}
+
+// must calls [log.Fatal] with err if it is non-nil.
+func must(err error) {
+	if err != nil {
+		log.Fatal(err)
+	}
 }

internal/rosa/all.go

@@ -20,8 +20,10 @@ const (
 	LLVMRuntimes
 	LLVMClang
 
-	// EarlyInit is the Rosa OS initramfs init program.
+	// EarlyInit is the Rosa OS init program.
 	EarlyInit
+	// ImageSystem is the Rosa OS /system image.
+	ImageSystem
 	// ImageInitramfs is the Rosa OS initramfs archive.
 	ImageInitramfs
 

internal/rosa/images.go

@@ -1,6 +1,9 @@
 package rosa
 
-import "hakurei.app/internal/pkg"
+import (
+	"hakurei.app/container/fhs"
+	"hakurei.app/internal/pkg"
+)
 
 func init() {
 	artifactsM[EarlyInit] = Metadata{
@@ -24,12 +27,36 @@ echo
 	}
 }
 
+func (t Toolchain) newImageSystem() (pkg.Artifact, string) {
+	return t.New("system.img", TNoToolchain, t.AppendPresets(nil,
+		SquashfsTools,
+	), nil, nil, `
+mksquashfs /mnt/system /work/system.img
+`, pkg.Path(fhs.AbsRoot.Append("mnt"), false, t.AppendPresets(nil,
+		Musl,
+		Mksh,
+		Toybox,
+
+		Kmod,
+		Kernel,
+		Firmware,
+	)...)), Unversioned
+}
+func init() {
+	artifactsM[ImageSystem] = Metadata{
+		Name:        "system-image",
+		Description: "Rosa OS system image",
+
+		f: Toolchain.newImageSystem,
+	}
+}
+
 func (t Toolchain) newImageInitramfs() (pkg.Artifact, string) {
-	return t.New("initramfs", TNoToolchain, []pkg.Artifact{
-		t.Load(Zstd),
-		t.Load(EarlyInit),
-		t.Load(GenInitCPIO),
-	}, nil, nil, `
+	return t.New("initramfs", TNoToolchain, t.AppendPresets(nil,
+		Zstd,
+		EarlyInit,
+		GenInitCPIO,
+	), nil, nil, `
 gen_init_cpio -t 4294967295 -c /usr/src/initramfs | zstd > /work/initramfs.zst
 `, pkg.Path(AbsUsrSrc.Append("initramfs"), false, pkg.NewFile("initramfs", []byte(`
 dir /dev 0755 0 0

internal/rosa/kernel_amd64.config

@@ -2,15 +2,15 @@
 # Automatically generated file; DO NOT EDIT.
 # Linux/x86 6.12.76 Kernel Configuration
 #
-CONFIG_CC_VERSION_TEXT="clang version 22.1.0"
+CONFIG_CC_VERSION_TEXT="clang version 22.1.1"
 CONFIG_GCC_VERSION=0
 CONFIG_CC_IS_CLANG=y
-CONFIG_CLANG_VERSION=220100
+CONFIG_CLANG_VERSION=220101
 CONFIG_AS_IS_LLVM=y
-CONFIG_AS_VERSION=220100
+CONFIG_AS_VERSION=220101
 CONFIG_LD_VERSION=0
 CONFIG_LD_IS_LLD=y
-CONFIG_LLD_VERSION=220100
+CONFIG_LLD_VERSION=220101
 CONFIG_RUSTC_VERSION=0
 CONFIG_RUSTC_LLVM_VERSION=0
 CONFIG_CC_HAS_ASM_GOTO_OUTPUT=y
@@ -2402,7 +2402,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y
 #
 # Firmware loader
 #
-CONFIG_FW_LOADER=m
+CONFIG_FW_LOADER=y
 CONFIG_FW_LOADER_DEBUG=y
 CONFIG_FW_LOADER_PAGED_BUF=y
 CONFIG_FW_LOADER_SYSFS=y
@@ -2749,7 +2749,7 @@ CONFIG_BLK_DEV_NULL_BLK=m
 CONFIG_BLK_DEV_FD=m
 # CONFIG_BLK_DEV_FD_RAWCMD is not set
 CONFIG_CDROM=m
-CONFIG_BLK_DEV_PCIESSD_MTIP32XX=m
+CONFIG_BLK_DEV_PCIESSD_MTIP32XX=y
 CONFIG_ZRAM=m
 # CONFIG_ZRAM_BACKEND_LZ4 is not set
 # CONFIG_ZRAM_BACKEND_LZ4HC is not set
@@ -2775,9 +2775,9 @@ CONFIG_CDROM_PKTCDVD=m
 CONFIG_CDROM_PKTCDVD_BUFFERS=8
 # CONFIG_CDROM_PKTCDVD_WCACHE is not set
 CONFIG_ATA_OVER_ETH=m
-CONFIG_XEN_BLKDEV_FRONTEND=m
-CONFIG_XEN_BLKDEV_BACKEND=m
-CONFIG_VIRTIO_BLK=m
+CONFIG_XEN_BLKDEV_FRONTEND=y
+# CONFIG_XEN_BLKDEV_BACKEND is not set
+CONFIG_VIRTIO_BLK=y
 CONFIG_BLK_DEV_RBD=m
 CONFIG_BLK_DEV_UBLK=m
 CONFIG_BLKDEV_UBLK_LEGACY_OPCODES=y
@@ -2788,13 +2788,12 @@ CONFIG_BLK_DEV_RNBD_SERVER=m
 #
 # NVME Support
 #
-CONFIG_NVME_KEYRING=m
-CONFIG_NVME_AUTH=m
-CONFIG_NVME_CORE=m
-CONFIG_BLK_DEV_NVME=m
+CONFIG_NVME_KEYRING=y
+CONFIG_NVME_AUTH=y
+CONFIG_NVME_CORE=y
+CONFIG_BLK_DEV_NVME=y
 CONFIG_NVME_MULTIPATH=y
 # CONFIG_NVME_VERBOSE_ERRORS is not set
-CONFIG_NVME_HWMON=y
 CONFIG_NVME_FABRICS=m
 CONFIG_NVME_RDMA=m
 CONFIG_NVME_FC=m
@@ -2911,10 +2910,10 @@ CONFIG_KEBA_CP500=m
 #
 # SCSI device support
 #
-CONFIG_SCSI_MOD=m
+CONFIG_SCSI_MOD=y
 CONFIG_RAID_ATTRS=m
-CONFIG_SCSI_COMMON=m
-CONFIG_SCSI=m
+CONFIG_SCSI_COMMON=y
+CONFIG_SCSI=y
 CONFIG_SCSI_DMA=y
 CONFIG_SCSI_NETLINK=y
 CONFIG_SCSI_PROC_FS=y
@@ -2922,7 +2921,7 @@ CONFIG_SCSI_PROC_FS=y
 #
 # SCSI support type (disk, tape, CD-ROM)
 #
-CONFIG_BLK_DEV_SD=m
+CONFIG_BLK_DEV_SD=y
 CONFIG_CHR_DEV_ST=m
 CONFIG_BLK_DEV_SR=m
 CONFIG_CHR_DEV_SG=m
@@ -3042,7 +3041,7 @@ CONFIG_SCSI_DEBUG=m
 CONFIG_SCSI_PMCRAID=m
 CONFIG_SCSI_PM8001=m
 CONFIG_SCSI_BFA_FC=m
-CONFIG_SCSI_VIRTIO=m
+CONFIG_SCSI_VIRTIO=y
 CONFIG_SCSI_CHELSIO_FCOE=m
 CONFIG_SCSI_LOWLEVEL_PCMCIA=y
 CONFIG_PCMCIA_AHA152X=m
@@ -3052,7 +3051,7 @@ CONFIG_PCMCIA_SYM53C500=m
 # CONFIG_SCSI_DH is not set
 # end of SCSI device support
 
-CONFIG_ATA=m
+CONFIG_ATA=y
 CONFIG_SATA_HOST=y
 CONFIG_PATA_TIMINGS=y
 CONFIG_ATA_VERBOSE_ERROR=y
@@ -3064,39 +3063,39 @@ CONFIG_SATA_PMP=y
 #
 # Controllers with non-SFF native interface
 #
-CONFIG_SATA_AHCI=m
+CONFIG_SATA_AHCI=y
 CONFIG_SATA_MOBILE_LPM_POLICY=3
-CONFIG_SATA_AHCI_PLATFORM=m
-CONFIG_AHCI_DWC=m
-CONFIG_AHCI_CEVA=m
+CONFIG_SATA_AHCI_PLATFORM=y
+CONFIG_AHCI_DWC=y
+CONFIG_AHCI_CEVA=y
 CONFIG_SATA_INIC162X=m
-CONFIG_SATA_ACARD_AHCI=m
-CONFIG_SATA_SIL24=m
+CONFIG_SATA_ACARD_AHCI=y
+CONFIG_SATA_SIL24=y
 CONFIG_ATA_SFF=y
 
 #
 # SFF controllers with custom DMA interface
 #
-CONFIG_PDC_ADMA=m
-CONFIG_SATA_QSTOR=m
+CONFIG_PDC_ADMA=y
+CONFIG_SATA_QSTOR=y
 CONFIG_SATA_SX4=m
 CONFIG_ATA_BMDMA=y
 
 #
 # SATA SFF controllers with BMDMA
 #
-CONFIG_ATA_PIIX=m
-CONFIG_SATA_DWC=m
+CONFIG_ATA_PIIX=y
+CONFIG_SATA_DWC=y
 # CONFIG_SATA_DWC_OLD_DMA is not set
-CONFIG_SATA_MV=m
-CONFIG_SATA_NV=m
-CONFIG_SATA_PROMISE=m
-CONFIG_SATA_SIL=m
-CONFIG_SATA_SIS=m
-CONFIG_SATA_SVW=m
-CONFIG_SATA_ULI=m
-CONFIG_SATA_VIA=m
-CONFIG_SATA_VITESSE=m
+CONFIG_SATA_MV=y
+CONFIG_SATA_NV=y
+CONFIG_SATA_PROMISE=y
+CONFIG_SATA_SIL=y
+CONFIG_SATA_SIS=y
+CONFIG_SATA_SVW=y
+CONFIG_SATA_ULI=y
+CONFIG_SATA_VIA=y
+CONFIG_SATA_VITESSE=y
 
 #
 # PATA SFF controllers with BMDMA
@@ -3130,7 +3129,7 @@ CONFIG_PATA_RDC=m
 CONFIG_PATA_SCH=m
 CONFIG_PATA_SERVERWORKS=m
 CONFIG_PATA_SIL680=m
-CONFIG_PATA_SIS=m
+CONFIG_PATA_SIS=y
 CONFIG_PATA_TOSHIBA=m
 CONFIG_PATA_TRIFLEX=m
 CONFIG_PATA_VIA=m
@@ -3172,8 +3171,8 @@ CONFIG_PATA_PARPORT_ON26=m
 #
 # Generic fallback / legacy drivers
 #
-CONFIG_PATA_ACPI=m
-CONFIG_ATA_GENERIC=m
+CONFIG_PATA_ACPI=y
+CONFIG_ATA_GENERIC=y
 CONFIG_PATA_LEGACY=m
 CONFIG_MD=y
 CONFIG_BLK_DEV_MD=m
@@ -9621,11 +9620,11 @@ CONFIG_EFI_SECRET=m
 CONFIG_SEV_GUEST=m
 CONFIG_TDX_GUEST_DRIVER=m
 CONFIG_VIRTIO_ANCHOR=y
-CONFIG_VIRTIO=m
-CONFIG_VIRTIO_PCI_LIB=m
-CONFIG_VIRTIO_PCI_LIB_LEGACY=m
+CONFIG_VIRTIO=y
+CONFIG_VIRTIO_PCI_LIB=y
+CONFIG_VIRTIO_PCI_LIB_LEGACY=y
 CONFIG_VIRTIO_MENU=y
-CONFIG_VIRTIO_PCI=m
+CONFIG_VIRTIO_PCI=y
 CONFIG_VIRTIO_PCI_ADMIN_LEGACY=y
 CONFIG_VIRTIO_PCI_LEGACY=y
 CONFIG_VIRTIO_VDPA=m

internal/rosa/kernel_arm64.config

@@ -2,15 +2,15 @@
 # Automatically generated file; DO NOT EDIT.
 # Linux/arm64 6.12.76 Kernel Configuration
 #
-CONFIG_CC_VERSION_TEXT="clang version 22.1.0"
+CONFIG_CC_VERSION_TEXT="clang version 22.1.1"
 CONFIG_GCC_VERSION=0
 CONFIG_CC_IS_CLANG=y
-CONFIG_CLANG_VERSION=220100
+CONFIG_CLANG_VERSION=220101
 CONFIG_AS_IS_LLVM=y
-CONFIG_AS_VERSION=220100
+CONFIG_AS_VERSION=220101
 CONFIG_LD_VERSION=0
 CONFIG_LD_IS_LLD=y
-CONFIG_LLD_VERSION=220100
+CONFIG_LLD_VERSION=220101
 CONFIG_RUSTC_VERSION=0
 CONFIG_RUSTC_LLVM_VERSION=0
 CONFIG_CC_HAS_ASM_GOTO_OUTPUT=y
@@ -2384,7 +2384,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y
 #
 # Firmware loader
 #
-CONFIG_FW_LOADER=m
+CONFIG_FW_LOADER=y
 CONFIG_FW_LOADER_DEBUG=y
 CONFIG_FW_LOADER_PAGED_BUF=y
 CONFIG_FW_LOADER_SYSFS=y
@@ -2849,8 +2849,8 @@ CONFIG_CDROM_PKTCDVD=m
 CONFIG_CDROM_PKTCDVD_BUFFERS=8
 # CONFIG_CDROM_PKTCDVD_WCACHE is not set
 CONFIG_ATA_OVER_ETH=m
-CONFIG_XEN_BLKDEV_FRONTEND=m
-CONFIG_XEN_BLKDEV_BACKEND=m
+CONFIG_XEN_BLKDEV_FRONTEND=y
+# CONFIG_XEN_BLKDEV_BACKEND is not set
 CONFIG_VIRTIO_BLK=m
 CONFIG_BLK_DEV_RBD=m
 CONFIG_BLK_DEV_UBLK=m
@@ -2862,13 +2862,12 @@ CONFIG_BLK_DEV_RNBD_SERVER=m
 #
 # NVME Support
 #
-CONFIG_NVME_KEYRING=m
-CONFIG_NVME_AUTH=m
-CONFIG_NVME_CORE=m
-CONFIG_BLK_DEV_NVME=m
+CONFIG_NVME_KEYRING=y
+CONFIG_NVME_AUTH=y
+CONFIG_NVME_CORE=y
+CONFIG_BLK_DEV_NVME=y
 CONFIG_NVME_MULTIPATH=y
 # CONFIG_NVME_VERBOSE_ERRORS is not set
-CONFIG_NVME_HWMON=y
 CONFIG_NVME_FABRICS=m
 CONFIG_NVME_RDMA=m
 CONFIG_NVME_FC=m
@@ -2977,10 +2976,10 @@ CONFIG_KEBA_CP500=m
 #
 # SCSI device support
 #
-CONFIG_SCSI_MOD=m
+CONFIG_SCSI_MOD=y
 CONFIG_RAID_ATTRS=m
-CONFIG_SCSI_COMMON=m
-CONFIG_SCSI=m
+CONFIG_SCSI_COMMON=y
+CONFIG_SCSI=y
 CONFIG_SCSI_DMA=y
 CONFIG_SCSI_NETLINK=y
 CONFIG_SCSI_PROC_FS=y
@@ -2988,7 +2987,7 @@ CONFIG_SCSI_PROC_FS=y
 #
 # SCSI support type (disk, tape, CD-ROM)
 #
-CONFIG_BLK_DEV_SD=m
+CONFIG_BLK_DEV_SD=y
 CONFIG_CHR_DEV_ST=m
 CONFIG_BLK_DEV_SR=m
 CONFIG_CHR_DEV_SG=m
@@ -3108,7 +3107,7 @@ CONFIG_SCSI_DEBUG=m
 CONFIG_SCSI_PMCRAID=m
 CONFIG_SCSI_PM8001=m
 CONFIG_SCSI_BFA_FC=m
-CONFIG_SCSI_VIRTIO=m
+CONFIG_SCSI_VIRTIO=y
 CONFIG_SCSI_CHELSIO_FCOE=m
 CONFIG_SCSI_LOWLEVEL_PCMCIA=y
 CONFIG_PCMCIA_AHA152X=m
@@ -3118,7 +3117,7 @@ CONFIG_PCMCIA_SYM53C500=m
 # CONFIG_SCSI_DH is not set
 # end of SCSI device support
 
-CONFIG_ATA=m
+CONFIG_ATA=y
 CONFIG_SATA_HOST=y
 CONFIG_PATA_TIMINGS=y
 CONFIG_ATA_VERBOSE_ERROR=y
@@ -3130,23 +3129,23 @@ CONFIG_SATA_PMP=y
 #
 # Controllers with non-SFF native interface
 #
-CONFIG_SATA_AHCI=m
+CONFIG_SATA_AHCI=y
 CONFIG_SATA_MOBILE_LPM_POLICY=3
-CONFIG_SATA_AHCI_PLATFORM=m
-CONFIG_AHCI_BRCM=m
-CONFIG_AHCI_DWC=m
+CONFIG_SATA_AHCI_PLATFORM=y
+CONFIG_AHCI_BRCM=y
+CONFIG_AHCI_DWC=y
 CONFIG_AHCI_IMX=m
-CONFIG_AHCI_CEVA=m
-CONFIG_AHCI_MTK=m
-CONFIG_AHCI_MVEBU=m
-CONFIG_AHCI_SUNXI=m
-CONFIG_AHCI_TEGRA=m
+CONFIG_AHCI_CEVA=y
+CONFIG_AHCI_MTK=y
+CONFIG_AHCI_MVEBU=y
+CONFIG_AHCI_SUNXI=y
+CONFIG_AHCI_TEGRA=y
 CONFIG_AHCI_XGENE=m
-CONFIG_AHCI_QORIQ=m
-CONFIG_SATA_AHCI_SEATTLE=m
+CONFIG_AHCI_QORIQ=y
+CONFIG_SATA_AHCI_SEATTLE=y
 CONFIG_SATA_INIC162X=m
-CONFIG_SATA_ACARD_AHCI=m
-CONFIG_SATA_SIL24=m
+CONFIG_SATA_ACARD_AHCI=y
+CONFIG_SATA_SIL24=y
 CONFIG_ATA_SFF=y
 
 #
@@ -3160,19 +3159,19 @@ CONFIG_ATA_BMDMA=y
 #
 # SATA SFF controllers with BMDMA
 #
-CONFIG_ATA_PIIX=m
-CONFIG_SATA_DWC=m
+CONFIG_ATA_PIIX=y
+CONFIG_SATA_DWC=y
 # CONFIG_SATA_DWC_OLD_DMA is not set
-CONFIG_SATA_MV=m
-CONFIG_SATA_NV=m
-CONFIG_SATA_PROMISE=m
-CONFIG_SATA_RCAR=m
-CONFIG_SATA_SIL=m
-CONFIG_SATA_SIS=m
-CONFIG_SATA_SVW=m
-CONFIG_SATA_ULI=m
-CONFIG_SATA_VIA=m
-CONFIG_SATA_VITESSE=m
+CONFIG_SATA_MV=y
+CONFIG_SATA_NV=y
+CONFIG_SATA_PROMISE=y
+CONFIG_SATA_RCAR=y
+CONFIG_SATA_SIL=y
+CONFIG_SATA_SIS=y
+CONFIG_SATA_SVW=y
+CONFIG_SATA_ULI=y
+CONFIG_SATA_VIA=y
+CONFIG_SATA_VITESSE=y
 
 #
 # PATA SFF controllers with BMDMA
@@ -3207,7 +3206,7 @@ CONFIG_PATA_RDC=m
 CONFIG_PATA_SCH=m
 CONFIG_PATA_SERVERWORKS=m
 CONFIG_PATA_SIL680=m
-CONFIG_PATA_SIS=m
+CONFIG_PATA_SIS=y
 CONFIG_PATA_TOSHIBA=m
 CONFIG_PATA_TRIFLEX=m
 CONFIG_PATA_VIA=m
@@ -3249,8 +3248,8 @@ CONFIG_PATA_PARPORT_ON26=m
 #
 # Generic fallback / legacy drivers
 #
-CONFIG_PATA_ACPI=m
-CONFIG_ATA_GENERIC=m
+CONFIG_PATA_ACPI=y
+CONFIG_ATA_GENERIC=y
 CONFIG_PATA_LEGACY=m
 CONFIG_MD=y
 CONFIG_BLK_DEV_MD=m
@@ -10436,11 +10435,11 @@ CONFIG_VMGENID=m
 CONFIG_NITRO_ENCLAVES=m
 CONFIG_ARM_PKVM_GUEST=y
 CONFIG_VIRTIO_ANCHOR=y
-CONFIG_VIRTIO=m
-CONFIG_VIRTIO_PCI_LIB=m
-CONFIG_VIRTIO_PCI_LIB_LEGACY=m
+CONFIG_VIRTIO=y
+CONFIG_VIRTIO_PCI_LIB=y
+CONFIG_VIRTIO_PCI_LIB_LEGACY=y
 CONFIG_VIRTIO_MENU=y
-CONFIG_VIRTIO_PCI=m
+CONFIG_VIRTIO_PCI=y
 CONFIG_VIRTIO_PCI_LEGACY=y
 CONFIG_VIRTIO_VDPA=m
 CONFIG_VIRTIO_PMEM=m

internal/rosa/llvm.go

@@ -316,7 +316,7 @@ ln -s clang++ /work/system/bin/c++
 ninja check-all
 `,
 
-		patches: [][2]string{
+		patches: slices.Concat([][2]string{
 			{"add-rosa-vendor", `diff --git a/llvm/include/llvm/TargetParser/Triple.h b/llvm/include/llvm/TargetParser/Triple.h
 index 9c83abeeb3b1..5acfe5836a23 100644
 --- a/llvm/include/llvm/TargetParser/Triple.h
@@ -488,7 +488,7 @@ index 64324a3f8b01..15ce70b68217 100644
                                     "/System/Library/Frameworks"};
  
 `},
-		},
+		}, clangPatches),
 	})
 
 	return

internal/rosa/llvm_amd64.go

@@ -0,0 +1,4 @@
+package rosa
+
+// clangPatches are patches applied to the LLVM source tree for building clang.
+var clangPatches [][2]string

internal/rosa/llvm_arm64.go

@@ -0,0 +1,4 @@
+package rosa
+
+// clangPatches are patches applied to the LLVM source tree for building clang.
+var clangPatches [][2]string