On Wed, Aug 26, 2020 at 11:24 PM Paolo Bonzini <pbonz...@redhat.com> wrote:

> I'm a bit wary of this patch, the effects are quite wide-ranging. If
> we move all the detection of dependencies to meson, it will take a
> while but we should get a similar effect.
>
Only on MINGW the $PWD sematic are changed, so I don't think there is side
effect of this patch.


>
> However, I'm testing and queuing patches 1 to 3.
>
> Paolo
>
> On Wed, Aug 26, 2020 at 5:13 PM <luoyongg...@gmail.com> wrote:
> >
> > From: Yonggang Luo <luoyongg...@gmail.com>
> >
> > On msys2, the -I/e/path/to/qemu -L/e/path/to/qemu are not recognized by
> the compiler
> > Cause $PWD are result posix style path such as /e/path/to/qemu that can
> not be recognized
> > by mingw gcc, and `pwd -W` are result Windows style path such as
> E:/path/to/qemu that can
> > be recognized by the mingw gcc. So we replace all $PWD with $build_path
> that can
> > building qemu under msys2/mingw environment.
> >
> > Signed-off-by: Yonggang Luo <luoyongg...@gmail.com>
> > ---
> >  configure | 28 +++++++++++++++++++---------
> >  1 file changed, 19 insertions(+), 9 deletions(-)
> >
> > diff --git a/configure b/configure
> > index b1e11397a8..3b9e79923d 100755
> > --- a/configure
> > +++ b/configure
> > @@ -13,8 +13,13 @@ export CCACHE_RECACHE=yes
> >
> >  # make source path absolute
> >  source_path=$(cd "$(dirname -- "$0")"; pwd)
> > +build_path=$PWD
> > +if [ "$MSYSTEM" = "MINGW64" -o  "$MSYSTEM" = "MINGW32" ]; then
> > +source_path=$(cd "$(dirname -- "$0")"; pwd -W)
> > +build_path=`pwd -W`
> > +fi
> >
> > -if test "$PWD" = "$source_path"
> > +if test "$build_path" = "$source_path"
> >  then
> >      echo "Using './build' as the directory for build output"
> >
> > @@ -346,7 +351,12 @@ ld_has() {
> >      $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
> >  }
> >
> > -if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
> > +check_valid_build_path="[[:space:]:]"
> > +if [ "$MSYSTEM" = "MINGW64" -o  "$MSYSTEM" = "MINGW32" ]; then
> > +check_valid_build_path="[[:space:]]"
> > +fi
> > +
> > +if printf %s\\n "$source_path" "$build_path" | grep -q
> "$check_valid_build_path";
> >  then
> >    error_exit "main directory cannot contain spaces nor colons"
> >  fi
> > @@ -942,7 +952,7 @@ Linux)
> >    linux="yes"
> >    linux_user="yes"
> >    kvm="yes"
> > -  QEMU_INCLUDES="-isystem ${source_path}/linux-headers
> -I$PWD/linux-headers $QEMU_INCLUDES"
> > +  QEMU_INCLUDES="-isystem ${source_path}/linux-headers
> -I${build_path}/linux-headers $QEMU_INCLUDES"
> >    libudev="yes"
> >  ;;
> >  esac
> > @@ -4283,7 +4293,7 @@ EOF
> >                symlink "$source_path/dtc/Makefile" "dtc/Makefile"
> >            fi
> >            fdt_cflags="-I${source_path}/dtc/libfdt"
> > -          fdt_ldflags="-L$PWD/dtc/libfdt"
> > +          fdt_ldflags="-L${build_path}/dtc/libfdt"
> >            fdt_libs="$fdt_libs"
> >        elif test "$fdt" = "yes" ; then
> >            # Not a git build & no libfdt found, prompt for system install
> > @@ -5268,7 +5278,7 @@ case "$capstone" in
> >      else
> >        LIBCAPSTONE=libcapstone.a
> >      fi
> > -    capstone_libs="-L$PWD/capstone -lcapstone"
> > +    capstone_libs="-L${build_path}/capstone -lcapstone"
> >      capstone_cflags="-I${source_path}/capstone/include"
> >      ;;
> >
> > @@ -6268,8 +6278,8 @@ case "$slirp" in
> >        git_submodules="${git_submodules} slirp"
> >      fi
> >      mkdir -p slirp
> > -    slirp_cflags="-I${source_path}/slirp/src -I$PWD/slirp/src"
> > -    slirp_libs="-L$PWD/slirp -lslirp"
> > +    slirp_cflags="-I${source_path}/slirp/src -I${build_path}/slirp/src"
> > +    slirp_libs="-L${build_path}/slirp -lslirp"
> >      if test "$mingw32" = "yes" ; then
> >        slirp_libs="$slirp_libs -lws2_32 -liphlpapi"
> >      fi
> > @@ -8212,7 +8222,7 @@ fi
> >  mv $cross config-meson.cross
> >
> >  rm -rf meson-private meson-info meson-logs
> > -NINJA=$PWD/ninjatool $meson setup \
> > +NINJA="${build_path}/ninjatool" $meson setup \
> >          --prefix "${pre_prefix}$prefix" \
> >          --libdir "${pre_prefix}$libdir" \
> >          --libexecdir "${pre_prefix}$libexecdir" \
> > @@ -8232,7 +8242,7 @@ NINJA=$PWD/ninjatool $meson setup \
> >         -Dvnc=$vnc -Dvnc_sasl=$vnc_sasl -Dvnc_jpeg=$vnc_jpeg
> -Dvnc_png=$vnc_png \
> >         -Dgettext=$gettext -Dxkbcommon=$xkbcommon \
> >          $cross_arg \
> > -        "$PWD" "$source_path"
> > +        "$build_path" "$source_path"
> >
> >  if test "$?" -ne 0 ; then
> >      error_exit "meson setup failed"
> > --
> > 2.27.0.windows.1
> >
>
>

-- 
         此致
礼
罗勇刚
Yours
    sincerely,
Yonggang Luo

Reply via email to