meson: convert crypto directory to Meson

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/crypto/Makefile.objs b/crypto/Makefile.objs
deleted file mode 100644
index a988591..0000000
--- a/crypto/Makefile.objs
+++ /dev/null
@@ -1,37 +0,0 @@
-crypto-obj-y = init.o
-crypto-obj-y += hash.o
-crypto-obj-$(CONFIG_NETTLE) += hash-nettle.o
-crypto-obj-$(if $(CONFIG_NETTLE),n,$(CONFIG_GCRYPT)) += hash-gcrypt.o
-crypto-obj-$(if $(CONFIG_NETTLE),n,$(if $(CONFIG_GCRYPT),n,y)) += hash-glib.o
-crypto-obj-y += hmac.o
-crypto-obj-$(CONFIG_NETTLE) += hmac-nettle.o
-crypto-obj-$(CONFIG_GCRYPT_HMAC) += hmac-gcrypt.o
-crypto-obj-$(if $(CONFIG_NETTLE),n,$(if $(CONFIG_GCRYPT_HMAC),n,y)) += hmac-glib.o
-crypto-obj-y += aes.o
-crypto-obj-y += desrfb.o
-crypto-obj-y += cipher.o
-crypto-obj-$(CONFIG_AF_ALG) += afalg.o
-crypto-obj-$(CONFIG_AF_ALG) += cipher-afalg.o
-crypto-obj-$(CONFIG_AF_ALG) += hash-afalg.o
-crypto-obj-$(CONFIG_GNUTLS) += tls-cipher-suites.o
-crypto-obj-y += tlscreds.o
-crypto-obj-y += tlscredsanon.o
-crypto-obj-y += tlscredspsk.o
-crypto-obj-y += tlscredsx509.o
-crypto-obj-y += tlssession.o
-crypto-obj-y += secret_common.o
-crypto-obj-y += secret.o
-crypto-obj-$(CONFIG_SECRET_KEYRING) += secret_keyring.o
-crypto-obj-y += pbkdf.o
-crypto-obj-$(CONFIG_NETTLE) += pbkdf-nettle.o
-crypto-obj-$(if $(CONFIG_NETTLE),n,$(CONFIG_GCRYPT)) += pbkdf-gcrypt.o
-crypto-obj-$(if $(CONFIG_NETTLE),n,$(if $(CONFIG_GCRYPT),n,y)) += pbkdf-stub.o
-crypto-obj-y += ivgen.o
-crypto-obj-y += ivgen-essiv.o
-crypto-obj-y += ivgen-plain.o
-crypto-obj-y += ivgen-plain64.o
-crypto-obj-y += afsplit.o
-crypto-obj-$(CONFIG_QEMU_PRIVATE_XTS) += xts.o
-crypto-obj-y += block.o
-crypto-obj-y += block-qcow.o
-crypto-obj-y += block-luks.o
diff --git a/crypto/meson.build b/crypto/meson.build
index 1b24431..18da7c8 100644
--- a/crypto/meson.build
+++ b/crypto/meson.build
@@ -1,3 +1,55 @@
+crypto_ss = ss.source_set()
+crypto_ss.add(genh)
+crypto_ss.add(files(
+  'afsplit.c',
+  'block-luks.c',
+  'block-qcow.c',
+  'block.c',
+  'cipher.c',
+  'desrfb.c',
+  'hash.c',
+  'hmac.c',
+  'ivgen-essiv.c',
+  'ivgen-plain.c',
+  'ivgen-plain64.c',
+  'ivgen.c',
+  'pbkdf.c',
+  'secret_common.c',
+  'secret.c',
+  'tlscreds.c',
+  'tlscredsanon.c',
+  'tlscredspsk.c',
+  'tlscredsx509.c',
+  'tlssession.c',
+))
+
+if 'CONFIG_GCRYPT' in config_host
+  wo_nettle = files('hash-gcrypt.c', 'pbkdf-gcrypt.c')
+else
+  wo_nettle = files('hash-glib.c', 'pbkdf-stub.c')
+endif
+if 'CONFIG_GCRYPT_HMAC' not in config_host
+  wo_nettle += files('hmac-glib.c')
+endif
+crypto_ss.add(when: [nettle, 'CONFIG_NETTLE'],
+             if_true: files('hash-nettle.c', 'hmac-nettle.c', 'pbkdf-nettle.c'),
+             if_false: wo_nettle)
+
+crypto_ss.add(when: 'CONFIG_SECRET_KEYRING', if_true: files('secret_keyring.c'))
+crypto_ss.add(when: 'CONFIG_QEMU_PRIVATE_XTS', if_true: files('xts.c'))
+crypto_ss.add(when: 'CONFIG_GCRYPT_HMAC', if_true: files('hmac-gcrypt.c'))
+crypto_ss.add(when: 'CONFIG_AF_ALG', if_true: files('afalg.c', 'cipher-afalg.c', 'hash-afalg.c'))
+crypto_ss.add(when: 'CONFIG_GNUTLS', if_true: files('tls-cipher-suites.c'))
+
+crypto_ss = crypto_ss.apply(config_host, strict: false)
+libcrypto = static_library('crypto', crypto_ss.sources() + genh,
+                           dependencies: [crypto_ss.dependencies()],
+                           name_suffix: 'fa',
+                           build_by_default: false)
+
+crypto = declare_dependency(link_whole: libcrypto,
+                            dependencies: [authz, qom])
+
 util_ss.add(files('aes.c'))
 util_ss.add(files('init.c'))
 if 'CONFIG_GCRYPT' in config_host