[glib] meson: Fix GDB scripts install_dir for *nix

[Nirbheek Chauhan <nirbheekc src gnome org>]

commit 430e2dd3f54734cfa87d6643f2370604abcf959d
Author: Jan Alexander Steffens (heftig) <jan steffens gmail com>
Date:   Tue Oct 24 16:29:49 2017 +0200

    meson: Fix GDB scripts install_dir for *nix
    
    Disable installation on Windows for now as this would use a colon in the
    directory name.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=788772

 glib/meson.build    |    5 +++--
 gobject/meson.build |    5 +++--
 2 files changed, 6 insertions(+), 4 deletions(-)
---
diff --git a/glib/meson.build b/glib/meson.build
index 1da0bcd..33ece2d 100644
--- a/glib/meson.build
+++ b/glib/meson.build
@@ -283,8 +283,9 @@ configure_file(
   input: 'libglib-gdb.py.in',
   output: 'libglib-2.0.so.@0 -gdb py'.format(library_version),
   configuration: gdb_conf,
-  install: true,
-  install_dir: join_paths(get_option('datadir'), 'gdb/auto-load' + get_option('libdir'))
+  # FIXME: Figure out how to install this on Windows
+  install: host_system != 'windows',
+  install_dir: join_paths(glib_datadir, 'gdb', 'auto-load', './' + glib_libdir)
 )
 
 if enable_systemtap
diff --git a/gobject/meson.build b/gobject/meson.build
index 5a8289e..0c8c0cb 100644
--- a/gobject/meson.build
+++ b/gobject/meson.build
@@ -100,8 +100,9 @@ configure_file(
   input: 'libgobject-gdb.py.in',
   output: 'libgobject-2.0.so.@0 -gdb py'.format(library_version),
   configuration: gdb_conf,
-  install: true,
-  install_dir: join_paths(get_option('datadir'), 'gdb/auto-load/' + get_option('libdir'))
+  # FIXME: Figure out how to install this on Windows
+  install: host_system != 'windows',
+  install_dir: join_paths(glib_datadir, 'gdb', 'auto-load', './' + glib_libdir)
 )
 
 if enable_systemtap