diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 71 |
1 files changed, 64 insertions, 7 deletions
@@ -223,6 +223,25 @@ path_of() { return 1 } +version_ge () { + local_ver1=`echo $1 | tr . ' '` + local_ver2=`echo $2 | tr . ' '` + while true; do + set x $local_ver1 + local_first=${2-0} + # shift 2 does nothing if there are less than 2 arguments + shift; shift + local_ver1=$* + set x $local_ver2 + # the second argument finished, the first must be greater or equal + test $# = 1 && return 0 + test $local_first -lt $2 && return 1 + test $local_first -gt $2 && return 0 + shift; shift + local_ver2=$* + done +} + have_backend () { echo "$trace_backends" | grep "$1" >/dev/null } @@ -963,6 +982,7 @@ fi # python 2.x, but some distros have it as python 3.x, so # we check that too python= +explicit_python=no for binary in "${PYTHON-python3}" python do if has "$binary" @@ -1046,7 +1066,7 @@ for opt do ;; --install=*) install="$optarg" ;; - --python=*) python="$optarg" + --python=*) python="$optarg" ; explicit_python=yes ;; --sphinx-build=*) sphinx_build="$optarg" ;; @@ -2027,15 +2047,52 @@ python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0] # Suppress writing compiled files python="$python -B" -if ! has "$meson" -then - error_exit "Meson not found. Use --meson=/path/to/meson" +if test -z "$meson"; then + if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.0; then + meson=meson + elif test -e "${source_path}/.git" && test $git_update = 'yes' ; then + meson=git + elif test -e "${source_path}/meson/meson.py" ; then + meson=internal + else + if test "$explicit_python" = yes; then + error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found." + else + error_exit "Meson not found. Use --meson=/path/to/meson" + fi + fi +else + # Meson uses its own Python interpreter to invoke other Python scripts, + # but the user wants to use the one they specified with --python. + # + # We do not want to override the distro Python interpreter (and sometimes + # cannot: for example in Homebrew /usr/bin/meson is a bash script), so + # just require --meson=git|internal together with --python. + if test "$explicit_python" = yes; then + case "$meson" in + git | internal) ;; + *) error_exit "--python requires using QEMU's embedded Meson distribution." ;; + esac + fi fi -meson=$(command -v $meson) -if ! $python -c 'import pkg_resources' > /dev/null 2>&1; then - error_exit "Python setuptools not found" +if test "$meson" = git; then + git_submodules="${git_submodules} meson" fi +if test "$git_update" = yes; then + (cd "${source_path}" && GIT="$git" "./scripts/git-submodule.sh" update "$git_submodules") +fi + +case "$meson" in + git | internal) + if ! $python -c 'import pkg_resources' > /dev/null 2>&1; then + error_exit "Python setuptools not found" + fi + meson="$python ${source_path}/meson/meson.py" + ;; + *) meson=$(command -v meson) ;; +esac + # Check that the C compiler works. Doing this here before testing # the host CPU ensures that we had a valid CC to autodetect the |