!45 riscv64: 用musl替换不支持的dietlibc

From: @laokz 
Reviewed-by: @Charlie_li 
Signed-off-by: @Charlie_li

9100-src-format_ext2_kernel.ml-Rename-function-file-kerne.patch

@@ -0,0 +1,36 @@
+From 9a0d078dc35fde7a715666bce6c765ed5fe5e916 Mon Sep 17 00:00:00 2001
+From: "Richard W.M. Jones" <rjones@redhat.com>
+Date: Fri, 10 Nov 2023 08:55:25 +0000
+Subject: [PATCH 12/13] src/format_ext2_kernel.ml: Rename function file ->
+ kernel
+
+No change, just rename the function.
+---
+ src/format_ext2_kernel.ml | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/src/format_ext2_kernel.ml b/src/format_ext2_kernel.ml
+index 4589552..36514c6 100644
+--- a/src/format_ext2_kernel.ml
++++ b/src/format_ext2_kernel.ml
+@@ -54,7 +54,7 @@ let rec build_kernel debug host_cpu copy_kernel kernel =
+     printf "supermin: kernel: modpath %s\n%!" modpath;
+   );
+ 
+-  copy_or_symlink_file copy_kernel kernel_file kernel;
++  copy_or_symlink_kernel copy_kernel kernel_file kernel;
+ 
+   (kernel_version, modpath)
+ 
+@@ -308,7 +308,7 @@ and read_string chan offset len =
+   really_input chan buf 0 len;
+   Bytes.to_string buf
+ 
+-and copy_or_symlink_file copy_kernel src dest =
++and copy_or_symlink_kernel copy_kernel src dest =
+   if not copy_kernel then
+     symlink src dest
+   else (
+-- 
+2.42.0
+

9101-src-Uncompress-kernel-on-RISC-V.patch

@@ -0,0 +1,72 @@
+From 5230e2c3cd07e82bd6431e871e239f7056bf25ad Mon Sep 17 00:00:00 2001
+From: "Richard W.M. Jones" <rjones@redhat.com>
+Date: Fri, 10 Nov 2023 10:20:49 +0000
+Subject: [PATCH 13/13] src: Uncompress kernel on RISC-V
+
+---
+ src/format_ext2_kernel.ml | 35 ++++++++++++++++++++++++++++++++++-
+ 1 file changed, 34 insertions(+), 1 deletion(-)
+
+diff --git a/src/format_ext2_kernel.ml b/src/format_ext2_kernel.ml
+index 36514c6..09a3f21 100644
+--- a/src/format_ext2_kernel.ml
++++ b/src/format_ext2_kernel.ml
+@@ -25,6 +25,20 @@ open Ext2fs
+ open Fnmatch
+ open Glob
+ 
++(* Similar but not the same as get_file_type in mode_build.  There
++ * is a case for deriving a common base utility. XXX
++ *)
++type compression_type = GZip | Uncompressed
++let get_compression_type file =
++  let chan = open_in file in
++  let buf = Bytes.create 512 in
++  let len = input chan buf 0 (Bytes.length buf) in
++  close_in chan;
++  let buf = Bytes.to_string buf in
++  if len >= 3 && buf.[0] = '\x1f' && buf.[1] = '\x8b' && buf.[2] = '\x08'
++  then GZip
++  else Uncompressed (* or other unknown compression type *)
++
+ let rec build_kernel debug host_cpu copy_kernel kernel =
+   (* Locate the kernel.
+    * SUPERMIN_* environment variables override everything.  If those
+@@ -54,7 +68,19 @@ let rec build_kernel debug host_cpu copy_kernel kernel =
+     printf "supermin: kernel: modpath %s\n%!" modpath;
+   );
+ 
+-  copy_or_symlink_kernel copy_kernel kernel_file kernel;
++  (* RISC-V relies on the bootloader or firmware to uncompress the
++   * kernel and doesn't have a concept of self-extracting kernels.
++   * On Arm which is similar, qemu -kernel will automatically uncompress
++   * the kernel, but qemu-system-riscv won't do that and the code is a
++   * big mess so I don't fancy fixing it.  So we have to detect that
++   * case here and uncompress the kernel.
++   *)
++  let kernel_compression_type = get_compression_type kernel_file in
++  if string_prefix "riscv" host_cpu && kernel_compression_type <> Uncompressed
++  then
++    copy_and_uncompress_kernel kernel_compression_type kernel_file kernel
++  else
++    copy_or_symlink_kernel copy_kernel kernel_file kernel;
+ 
+   (kernel_version, modpath)
+ 
+@@ -308,6 +334,13 @@ and read_string chan offset len =
+   really_input chan buf 0 len;
+   Bytes.to_string buf
+ 
++and copy_and_uncompress_kernel compression_type src dest =
++  let cmd =
++    match compression_type with
++    | GZip -> sprintf "zcat %s > %s" (quote src) (quote dest)
++    | Uncompressed -> sprintf "cp %s %s" (quote src) (quote dest) in
++  run_command cmd
++
+ and copy_or_symlink_kernel copy_kernel src dest =
+   if not copy_kernel then
+     symlink src dest
+-- 
+2.42.0
+

supermin.spec

@@ -1,6 +1,6 @@
 Name:           supermin
 Version:        5.3.3
-Release:        3
+Release:        4
 Summary:        A tool for building supermin appliances, required by libguestfs
 License:        GPLv2+
 URL:            http://libguestfs.org/
@@ -11,8 +11,14 @@ Patch0002:      0002-use-installed-packages-instead-of-dnf-downloading.patch
 Patch9001:      add-pie-and-bind_now-flags.patch
 Patch9002:      9002-fix-cannot-detect-package-manager-on-UnionTech.patch
 Patch0004:      0001-fix-cannot-detect-package-manager-on-NestOS.patch
-
-BuildRequires:  augeas dietlibc-devel dnf dnf-plugins-core e2fsprogs-devel
+%ifarch riscv64
+Patch9100:      9100-src-format_ext2_kernel.ml-Rename-function-file-kerne.patch
+Patch9101:      9101-src-Uncompress-kernel-on-RISC-V.patch
+BuildRequires:  musl-gcc musl-libc-static
+%else
+BuildRequires:  dietlibc-devel
+%endif
+BuildRequires:  augeas dnf dnf-plugins-core e2fsprogs-devel
 BuildRequires:  findutils gnupg2 grubby hivex ocaml ocaml-findlib-devel
 BuildRequires:  rpm rpm-devel systemd-udev tar
 BuildRequires:  /usr/bin/pod2man /usr/bin/pod2html /usr/sbin/mke2fs
@@ -46,7 +52,11 @@ This contains man files for the using of supermin.
 
 %build
 %configure --disable-network-tests
+%ifarch riscv64
+make -C init CC="musl-gcc"
+%else
 make -C init CC="diet gcc"
+%endif
 %make_build
 
 %install
@@ -69,6 +79,9 @@ install -m 0755 %{SOURCE2} $RPM_BUILD_ROOT%{_rpmconfigdir}/
 %{_mandir}/man1/*
 
 %changelog
+* Mon Apr 22 2024 laokz <zhangkai@iscas.ac.cn> - 5.3.3-4
+- riscv64: use musl instead of unsupported dietlibc
+ 
 * Thu Nov 30 2023 chendexi <chendexi@kylinos.cn> - 5.3.3-3
 - Modify release file name due to release package name change