meson: remove OS definitions from config_targetos

CONFIG_DARWIN, CONFIG_LINUX and CONFIG_BSD are used in some rules, but
only CONFIG_LINUX has substantial use.  Convert them all to if...endif.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

4 files changed, 18 insertions, 8 deletions

diff --git a/hw/9pfs/meson.build b/hw/9pfs/meson.build
index 2944ea63c3..3eee7c268a 100644
--- a/hw/9pfs/meson.build
+++ b/hw/9pfs/meson.build
@@ -13,8 +13,11 @@ fs_ss.add(files(
   'coth.c',
   'coxattr.c',
 ))
-fs_ss.add(when: 'CONFIG_LINUX', if_true: files('9p-util-linux.c'))
-fs_ss.add(when: 'CONFIG_DARWIN', if_true: files('9p-util-darwin.c'))
+if targetos == 'darwin'
+  fs_ss.add(files('9p-util-darwin.c'))
+elif targetos == 'linux'
+  fs_ss.add(files('9p-util-linux.c'))
+endif
 fs_ss.add(when: 'CONFIG_XEN_BUS', if_true: files('xen-9p-backend.c'))
 system_ss.add_all(when: 'CONFIG_FSDEV_9P', if_true: fs_ss)
 
diff --git a/hw/display/meson.build b/hw/display/meson.build
index 344dfe3d8c..02b0044c9e 100644
--- a/hw/display/meson.build
+++ b/hw/display/meson.build
@@ -69,8 +69,11 @@ if config_all_devices.has_key('CONFIG_VIRTIO_GPU')
   virtio_gpu_ss = ss.source_set()
   virtio_gpu_ss.add(when: 'CONFIG_VIRTIO_GPU',
                     if_true: [files('virtio-gpu-base.c', 'virtio-gpu.c'), pixman])
-  virtio_gpu_ss.add(when: 'CONFIG_LINUX', if_true: files('virtio-gpu-udmabuf.c'),
-                                          if_false: files('virtio-gpu-udmabuf-stubs.c'))
+  if targetos == 'linux'
+    virtio_gpu_ss.add(files('virtio-gpu-udmabuf.c'))
+  else
+    virtio_gpu_ss.add(files('virtio-gpu-udmabuf-stubs.c'))
+  endif
   virtio_gpu_ss.add(when: 'CONFIG_VHOST_USER_GPU', if_true: files('vhost-user-gpu.c'))
   hw_display_modules += {'virtio-gpu': virtio_gpu_ss}
 
diff --git a/hw/ppc/meson.build b/hw/ppc/meson.build
index ea44856d43..3dedcf3043 100644
--- a/hw/ppc/meson.build
+++ b/hw/ppc/meson.build
@@ -34,9 +34,11 @@ ppc_ss.add(when: ['CONFIG_PSERIES', 'CONFIG_TCG'], if_true: files(
   'spapr_softmmu.c',
 ))
 ppc_ss.add(when: 'CONFIG_SPAPR_RNG', if_true: files('spapr_rng.c'))
-ppc_ss.add(when: ['CONFIG_PSERIES', 'CONFIG_LINUX'], if_true: files(
-  'spapr_pci_vfio.c',
-))
+if targetos == 'linux'
+  ppc_ss.add(when: 'CONFIG_PSERIES', if_true: files(
+    'spapr_pci_vfio.c',
+  ))
+endif
 
 # IBM PowerNV
 ppc_ss.add(when: 'CONFIG_POWERNV', if_true: files(
diff --git a/hw/usb/meson.build b/hw/usb/meson.build
index e94149ebde..4b44db39cd 100644
--- a/hw/usb/meson.build
+++ b/hw/usb/meson.build
@@ -58,7 +58,9 @@ endif
 
 # U2F
 system_ss.add(when: 'CONFIG_USB_U2F', if_true: files('u2f.c'))
-system_ss.add(when: ['CONFIG_LINUX', 'CONFIG_USB_U2F'], if_true: [libudev, files('u2f-passthru.c')])
+if targetos == 'linux'
+  system_ss.add(when: 'CONFIG_USB_U2F', if_true: [libudev, files('u2f-passthru.c')])
+endif
 if u2f.found()
   system_ss.add(when: 'CONFIG_USB_U2F', if_true: [u2f, files('u2f-emulated.c')])
 endif