On Wed, Apr 20, 2022 at 8:07 PM Paolo Bonzini <pbonz...@redhat.com> wrote:

> The hash is now generated with a Python script.
>
> Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
>

It's kind of strange that it takes "configure" as an input for the stamp
computation, but that's the way it works apparently

Reviewed-by: Marc-André Lureau <marcandre.lur...@redhat.com>

---
>  configure                     | 23 -----------------------
>  docs/meson.build              |  2 +-
>  meson.build                   | 10 +++++++++-
>  meson_options.txt             |  2 ++
>  scripts/meson-buildoptions.py |  1 +
>  scripts/meson-buildoptions.sh |  3 +++
>  scripts/qemu-stamp.py         | 24 ++++++++++++++++++++++++
>  7 files changed, 40 insertions(+), 25 deletions(-)
>  create mode 100644 scripts/qemu-stamp.py
>
> diff --git a/configure b/configure
> index bc15854578..5bf0a7d69b 100755
> --- a/configure
> +++ b/configure
> @@ -306,7 +306,6 @@ qemu_suffix="qemu"
>  softmmu="yes"
>  linux_user=""
>  bsd_user=""
> -pkgversion=""
>  pie=""
>  coroutine=""
>  plugins="$default_feature"
> @@ -896,8 +895,6 @@ for opt do
>    ;;
>    --enable-fdt=*) fdt="$optarg"
>    ;;
> -  --with-pkgversion=*) pkgversion="$optarg"
> -  ;;
>    --with-coroutine=*) coroutine="$optarg"
>    ;;
>    --disable-vhost-net) vhost_net="no"
> @@ -1135,7 +1132,6 @@ Advanced options (experts only):
>    --firmwarepath=PATH      search PATH for firmware files
>    --efi-aarch64=PATH       PATH of efi file to use for aarch64 VMs.
>    --with-suffix=SUFFIX     suffix for QEMU data inside
> datadir/libdir/sysconfdir/docdir [$qemu_suffix]
> -  --with-pkgversion=VERS   use specified string as sub-version of the
> package
>    --without-default-features default all --enable-* options to "disabled"
>    --without-default-devices  do not include any device that is not needed
> to
>                             start the emulator (only use if you are
> including
> @@ -1722,21 +1718,6 @@ if ! compile_prog "$glib_cflags -Werror"
> "$glib_libs" ; then
>      fi
>  fi
>
> -##########################################
> -# SHA command probe for modules
> -if test "$modules" = yes; then
> -    shacmd_probe="sha1sum sha1 shasum"
> -    for c in $shacmd_probe; do
> -        if has $c; then
> -            shacmd="$c"
> -            break
> -        fi
> -    done
> -    if test "$shacmd" = ""; then
> -        error_exit "one of the checksum commands is required to enable
> modules: $shacmd_probe"
> -    fi
> -fi
> -
>  ##########################################
>  # fdt probe
>
> @@ -2173,13 +2154,9 @@ if test "$static" = "yes" ; then
>    echo "CONFIG_STATIC=y" >> $config_host_mak
>  fi
>  qemu_version=$(head $source_path/VERSION)
> -echo "PKGVERSION=$pkgversion" >>$config_host_mak
>  echo "SRC_PATH=$source_path" >> $config_host_mak
>  echo "TARGET_DIRS=$target_list" >> $config_host_mak
>  if test "$modules" = "yes"; then
> -  # $shacmd can generate a hash started with digit, which the compiler
> doesn't
> -  # like as an symbol. So prefix it with an underscore
> -  echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) |
> $shacmd - | cut -f1 -d\ )" >> $config_host_mak
>    echo "CONFIG_MODULES=y" >> $config_host_mak
>  fi
>
> diff --git a/docs/meson.build b/docs/meson.build
> index 831d4aea2b..9136fed3b7 100644
> --- a/docs/meson.build
> +++ b/docs/meson.build
> @@ -35,7 +35,7 @@ if sphinx_build.found()
>  endif
>
>  if build_docs
> -  SPHINX_ARGS += ['-Dversion=' + meson.project_version(), '-Drelease=' +
> config_host['PKGVERSION']]
> +  SPHINX_ARGS += ['-Dversion=' + meson.project_version(), '-Drelease=' +
> get_option('pkgversion')]
>
>    man_pages = {
>          'qemu-ga.8': (have_ga ? 'man8' : ''),
> diff --git a/meson.build b/meson.build
> index ee96cbc64e..424ff454d2 100644
> --- a/meson.build
> +++ b/meson.build
> @@ -1626,6 +1626,14 @@
> config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR',
> get_option('prefix') /
>  config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') /
> qemu_moddir)
>  config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') /
> get_option('sysconfdir'))
>
> +if config_host.has_key('CONFIG_MODULES')
> +  config_host_data.set('CONFIG_STAMP', run_command(
> +      meson.current_source_dir() / 'scripts/qemu-stamp.py',
> +      meson.project_version(), get_option('pkgversion'), '--',
> +      meson.current_source_dir() / 'configure',
> +      capture: true, check: true).stdout().strip())
> +endif
> +
>  have_slirp_smbd = get_option('slirp_smbd') \
>    .require(targetos != 'windows', error_message: 'Host smbd not supported
> on this platform.') \
>    .allowed()
> @@ -2785,7 +2793,7 @@ tracetool_depends = files(
>
>  qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
>                      meson.current_source_dir(),
> -                    config_host['PKGVERSION'], meson.project_version()]
> +                    get_option('pkgversion'), meson.project_version()]
>  qemu_version = custom_target('qemu-version.h',
>                               output: 'qemu-version.h',
>                               command: qemu_version_cmd,
> diff --git a/meson_options.txt b/meson_options.txt
> index ec974003b3..dc6fb796c6 100644
> --- a/meson_options.txt
> +++ b/meson_options.txt
> @@ -8,6 +8,8 @@ option('docdir', type : 'string', value : 'doc',
>         description: 'Base directory for documentation installation (can
> be empty)')
>  option('qemu_firmwarepath', type : 'string', value : '',
>         description: 'search PATH for firmware files')
> +option('pkgversion', type : 'string', value : '',
> +       description: 'use specified string as sub-version of the package')
>  option('smbd', type : 'string', value : '',
>         description: 'Path to smbd for slirp networking')
>  option('sphinx_build', type : 'string', value : '',
> diff --git a/scripts/meson-buildoptions.py b/scripts/meson-buildoptions.py
> index 3e540e8bb3..0f9603a7f6 100755
> --- a/scripts/meson-buildoptions.py
> +++ b/scripts/meson-buildoptions.py
> @@ -36,6 +36,7 @@
>
>  OPTION_NAMES = {
>      "malloc": "enable-malloc",
> +    "pkgversion": "with-pkgversion",
>      "trace_backends": "enable-trace-backends",
>      "trace_file": "with-trace-file",
>  }
> diff --git a/scripts/meson-buildoptions.sh b/scripts/meson-buildoptions.sh
> index 4c49d4af08..bf9878e24f 100644
> --- a/scripts/meson-buildoptions.sh
> +++ b/scripts/meson-buildoptions.sh
> @@ -44,6 +44,8 @@ meson_options_help() {
>    printf "%s\n" '  --sphinx-build=VALUE     Use specified sphinx-build
> for building document'
>    printf "%s\n" '  --tls-priority=VALUE     Default TLS protocol/cipher
> priority string'
>    printf "%s\n" '                           [NORMAL]'
> +  printf "%s\n" '  --with-pkgversion=VALUE  use specified string as
> sub-version of the'
> +  printf "%s\n" '                           package'
>    printf "%s\n" '  --with-trace-file=VALUE  Trace file prefix for simple
> backend [trace]'
>    printf "%s\n" ''
>    printf "%s\n" 'Optional features, enabled with --enable-FEATURE and'
> @@ -309,6 +311,7 @@ _meson_option_parse() {
>      --disable-pa) printf "%s" -Dpa=disabled ;;
>      --enable-parallels) printf "%s" -Dparallels=enabled ;;
>      --disable-parallels) printf "%s" -Dparallels=disabled ;;
> +    --with-pkgversion=*) quote_sh "-Dpkgversion=$2" ;;
>      --enable-profiler) printf "%s" -Dprofiler=true ;;
>      --disable-profiler) printf "%s" -Dprofiler=false ;;
>      --enable-pvrdma) printf "%s" -Dpvrdma=enabled ;;
> diff --git a/scripts/qemu-stamp.py b/scripts/qemu-stamp.py
> new file mode 100644
> index 0000000000..7beeeb07ed
> --- /dev/null
> +++ b/scripts/qemu-stamp.py
> @@ -0,0 +1,24 @@
> +#! /usr/bin/env python3
> +
> +# Usage: scripts/qemu-stamp.py STRING1 STRING2... -- FILE1 FILE2...
> +import hashlib
> +import os
> +import sys
> +
> +sha = hashlib.sha1()
> +is_file = False
> +for arg in sys.argv[1:]:
> +    if arg == '--':
> +        is_file = True
> +        continue
> +    if is_file:
> +        with open(arg, 'rb') as f:
> +            for chunk in iter(lambda: f.read(65536), b''):
> +                sha.update(chunk)
> +    else:
> +        sha.update(os.fsencode(arg))
> +        sha.update(b'\n')
> +
> +# The hash can start with a digit, which the compiler doesn't
> +# like as an symbol. So prefix it with an underscore
> +print("_" + sha.hexdigest())
> --
> 2.35.1
>
>
>
>

-- 
Marc-André Lureau

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