[karan@localhost jhbuild]$ jhbuild sysdeps --install gnome-builder
System installed packages which are new enough:
    cc
    pkg-config
    shared-mime-info (shared-mime-info.pc, required=1.0, installed=1.8)
    xmlcatalog
    make
    desktop-file-utils (required=0.20)
    xsltproc
    python2
    xmllint
    git
Required packages:
  System installed packages which are too old:
    (none)
  No matching system package installed:
    libwebp
    libclang
    dbus-glib (dbus-glib-1.pc, required=0.98)
    libXt (xt.pc)
    libtiff
    libv4l (libv4l2.pc)
    vala-bootstrap
    libyaml
    libpng (libpng.pc)
    doxygen (required=1.8.1)
    polkit-gobject (polkit-gobject-1.pc, required=0.103)
    libarchive (libarchive.pc, required=3.2.1)
    wayland-egl (wayland-egl.pc, required=1.0)
    taglib (taglib.pc, required=1.5)
    dbus (dbus-1.pc, required=1.4.10)
    x11 (x11.pc)
    libproxy (libproxy-1.0.pc)
    ninja
    libtasn1 (libtasn1.pc, required=2.7)
    libepoxy (epoxy.pc, required=1.2)
    xkbcommon-x11 (xkbcommon-x11.pc)
    ppp
    pulseaudio (libpulse-mainloop-glib.pc, required=2.0)
    hyphen
    xmlto
    wavpack (wavpack.pc, required=4.2)
    bison (required=2.4)
    libgphoto2 (libgphoto2.pc, required=2.4.13)
    zlib (zlib.pc)
    sqlite3 (sqlite3.pc, required=3.7.3)
    ruby
    gnutls (gnutls.pc, required=3.1)
    libXft (xft.pc, required=2.0.0)
    flac (flac.pc, required=1.1.4)
    libcap
    libffi (libffi.pc, required=3.0.0)
    libgcrypt (required=1.5.0)
    flex (required=2.0)
    libpcre (libpcre.pc, required=8.31)
    libXtst (xtst.pc, required=1)
    cmake
    udisks (udisks2.pc, required=2.1.1)
    c++
    itstool
    gudev (gudev-1.0.pc, required=173)
    python3-devel (python3.pc, required=3.2)
    libssh2 (libssh2.pc)
    libXcomposite (xcomposite.pc)
    graphviz (libgvc.pc, required=2.26.0)
    ragel
    libXrender (xrender.pc)
    libuuid (uuid.pc)
    libicu (icu-i18n.pc, required=4)
    libxkbcommon (xkbcommon.pc, required=0.5.0)
    libjpeg
    mesa-libGLES (glesv2.pc, required=9.2)
    docbook-xml
    automake
    libXdamage (xdamage.pc)
    docbook-xsl
    xi (xi.pc)
    p11-kit (p11-kit-1.pc, required=0.19.0)
    libvpx (vpx.pc)
    llvm
    intltool (required=0.50.2)
    fontconfig (fontconfig.pc, required=2.11.0)
    libsystemd (libsystemd.pc, required=210)
    libxml2 (libxml-2.0.pc, required=2.7.8)
    enchant (enchant.pc, required=1.6.0)
    libtool
    cairo (cairo.pc, required=1.14.0)
    libxslt (libxslt.pc, required=1.1.26)
    gperf
Optional packages: (JHBuild will build the missing packages)
  System installed packages which are too old:
    (none)
  No matching system package installed:
    WebKit (webkit2gtk-4.0.pc, required=2.17.3)
    iso-codes (iso-codes.pc, required=3.51)
I: Installing dependencies on system: libwebp libclang dbus-glib libXt libtiff libv4l vala-bootstrap libyaml libpng doxygen polkit-gobject libarchive wayland-egl taglib dbus x11 libproxy ninja libtasn1 libepoxy xkbcommon-x11 ppp pulseaudio hyphen xmlto wavpack bison libgphoto2 zlib sqlite3 ruby gnutls libXft flac libcap libffi libgcrypt flex libpcre libXtst cmake udisks c++ itstool gudev python3-devel libssh2 libXcomposite graphviz ragel libXrender libuuid libicu libxkbcommon libjpeg mesa-libGLES docbook-xml automake libXdamage docbook-xsl xi p11-kit libvpx llvm intltool fontconfig libsystemd libxml2 enchant libtool cairo libxslt gperf WebKit iso-codes
I: Computing packages to install. This might be slow. Please wait.
Error: python-gobject package not found.
[karan@localhost jhbuild]$