diff --git a/gio/meson.build b/gio/meson.build
index eae9bada8..325263626 100644
--- a/gio/meson.build
+++ b/gio/meson.build
@@ -693,13 +693,15 @@ endif
 #  subdir('fam')
 #endif
 
-install_data([
-  'completion/gapplication',
-  'completion/gdbus',
-  'completion/gsettings',
-  'completion/gresource'
-],
-install_dir: join_paths(get_option('datadir'), 'bash-completion/completions'))
+if have_bash
+  install_data([
+    'completion/gapplication',
+    'completion/gdbus',
+    'completion/gsettings',
+    'completion/gresource'
+  ],
+  install_dir: join_paths(get_option('datadir'), 'bash-completion/completions'))
+endif
 
 if enable_dtrace
   gio_dtrace_obj = dtrace_obj_gen.process('gio_probes.d')
diff --git a/glib/meson.build b/glib/meson.build
index a99201a90..1da0bcd3c 100644
--- a/glib/meson.build
+++ b/glib/meson.build
@@ -274,6 +274,7 @@ else
 endif
 
 install_data('gtester-report', install_dir : get_option('bindir'))
+
 install_data('glib_gdb.py', install_dir : join_paths(glib_pkgdatadir, 'gdb'))
 
 gdb_conf = configuration_data()
@@ -283,7 +284,7 @@ configure_file(
   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' + glib_libdir)
+  install_dir: join_paths(get_option('datadir'), 'gdb/auto-load' + get_option('libdir'))
 )
 
 if enable_systemtap
diff --git a/gobject/meson.build b/gobject/meson.build
index 0d39f2bbc..aecca57c7 100644
--- a/gobject/meson.build
+++ b/gobject/meson.build
@@ -102,7 +102,7 @@ configure_file(
   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/' + glib_libdir)
+  install_dir: join_paths(get_option('datadir'), 'gdb/auto-load/' + get_option('libdir'))
 )
 
 if enable_systemtap
diff --git a/meson.build b/meson.build
index 0c8507d24..0f3f79178 100644
--- a/meson.build
+++ b/meson.build
@@ -1499,6 +1499,11 @@ endif
 
 python = import('python3').find_python()
 
+# Determine which user environment-dependent files that we want to install
+have_bash = find_program('bash', required : false).found() # For completion scripts
+have_m4 = find_program('m4', required : false).found() # For m4 macros
+have_sh = find_program('sh', required : false).found() # For glib-gettextize
+
 # FIXME: defines in config.h that are not actually used anywhere
 # (we add them for now to minimise the diff)
 glib_conf.set('HAVE_DLFCN_H', 1)
@@ -1608,19 +1613,27 @@ endforeach
 
 # NOTE: We skip glib-zip.in because the filenames it assumes don't match ours
 
-# Install glib-gettextize executable
-configure_file(input : 'glib-gettextize.in',
-  install : true,
-  install_dir : 'bin',
-  output : 'glib-gettextize',
-  configuration : glib_conf)
+# Install glib-gettextize executable, if a UNIX-style shell is found
+if have_sh
+  configure_file(input : 'glib-gettextize.in',
+    install : true,
+    install_dir : 'bin',
+    output : 'glib-gettextize',
+    configuration : glib_conf)
+endif
 
-# Install m4 macros that other projects use
-install_data('m4macros/glib-2.0.m4', 'm4macros/glib-gettext.m4', 'm4macros/gsettings.m4',
-  install_dir : join_paths(get_option('datadir'), 'aclocal'))
-# Install Valgrind suppression file
-install_data('glib.supp',
-  install_dir : join_paths(get_option('datadir'), 'glib-2.0', 'valgrind'))
+if have_m4
+  # Install m4 macros that other projects use
+  install_data('m4macros/glib-2.0.m4', 'm4macros/glib-gettext.m4', 'm4macros/gsettings.m4',
+    install_dir : join_paths(get_option('datadir'), 'aclocal'))
+endif
+
+if host_system != 'windows'
+  # Install Valgrind suppression file (except on Windows,
+  # as Valgrind is currently not supported on Windows)
+  install_data('glib.supp',
+    install_dir : join_paths(get_option('datadir'), 'glib-2.0', 'valgrind'))
+endif
 
 configure_file(input : 'config.h.meson',
   output : 'config.h',