meson: use variables for gio-2.0, glib-2.0, and gio-unix-2.0

contrib/eggbitset/meson.build

@@ -3,7 +3,7 @@ libeggbitset_sources = [
 ]
 
 libeggbitset_deps = [
-  dependency('gio-2.0', version: glib_req_version),
+  gio_dep,
 ]
 
 libeggbitset_static = static_library('eggbitset', libeggbitset_sources,

contrib/linereader/meson.build

@@ -1,5 +1,5 @@
 liblinereader_deps = [
-  dependency('gio-2.0', version: glib_req_version),
+  gio_dep,
 ]
 
 liblinereader_static_dep = declare_dependency(

meson.build

@@ -60,6 +60,8 @@ cc = meson.get_compiler('c')
 cxx = meson.get_compiler('cpp')
 
 glib_dep = dependency('glib-2.0', version: glib_req_version, required: need_glib)
+gio_dep = dependency('gio-2.0', version: glib_req_version, required: need_glib)
+gio_unix_dep = dependency('gio-unix-2.0', version: glib_req_version, required: host_machine.system() != 'windows')
 gtk_dep = dependency('gtk4', version: gtk_req_version, required: need_gtk)
 libsystemd_dep = dependency('libsystemd', required: false)
 

src/libsysprof-capture/tests/meson.build

@@ -25,7 +25,7 @@ libsysprof_capture_testsuite = {
 }
 
 libsysprof_capture_testsuite_deps = [
-  dependency('gio-2.0'),
+  gio_dep,
   libsysprof_capture_dep,
 ]
 

src/libsysprof/meson.build

@@ -171,10 +171,8 @@ libsysprof_resources = gnome.compile_resources('libsysprof-resources', 'libsyspr
 )
 
 libsysprof_deps = [
-  dependency('gio-2.0', version: glib_req_version),
-  dependency('gio-unix-2.0',
-     version: glib_req_version,
-    required: host_machine.system() != 'windows'),
+  gio_dep,
+  gio_unix_dep,
   dependency('libdex-1', version: dex_req_version),
   dependency('json-glib-1.0'),
 

src/sysprofd/meson.build

@@ -23,9 +23,9 @@ sysprofd_sources = [
 pkglibexecdir = join_paths(get_option('prefix'), get_option('libexecdir'))
 
 sysprofd_deps = [
-  dependency('glib-2.0', version: glib_req_version),
-  dependency('gio-2.0', version: glib_req_version),
-  dependency('gio-unix-2.0', version: glib_req_version),
+  glib_dep,
+  gio_dep,
+  gio_unix_dep,
   polkit_dep,
 
   libsysprof_capture_dep,