[041/142] meson: convert crypto directory to Meson

diff --git a/Makefile b/Makefile
index 64c7430951..4d5db51869 100644
--- a/Makefile
+++ b/Makefile
@@ -223,7 +223,6 @@  dummy := $(call unnest-vars,, \
                 chardev-obj-y \
                 block-obj-y \
                 block-obj-m \
-                crypto-obj-y \
                 io-obj-y \
                 common-obj-y \
                 common-obj-m)
diff --git a/Makefile.objs b/Makefile.objs
index bbeb87ec82..7c9156313b 100644
--- a/Makefile.objs
+++ b/Makefile.objs
@@ -13,17 +13,14 @@  block-obj-$(CONFIG_REPLICATION) += replication.o
 
 block-obj-m = block/
 
-#######################################################################
-# crypto-obj-y is code used by both qemu system emulation and qemu-img
-
-crypto-obj-y = crypto/
-
 #######################################################################
 # libraries built entirely from meson
 
 authz-obj-y = authz/libauthz.fa
 authz/libauthz.fa-libs = $(if $(CONFIG_AUTH_PAM),-lpam)
 
+crypto-obj-y = crypto/libcrypto.fa
+
 qom-obj-y = qom/libqom.fa
 
 #######################################################################
diff --git a/Makefile.target b/Makefile.target
index a9f5cac98a..f9e79492aa 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -180,12 +180,12 @@  all-obj-y := $(obj-y)
 include $(SRC_PATH)/Makefile.objs
 dummy := $(call fix-paths,../,, \
               authz-obj-y \
+              crypto-obj-y \
               qom-obj-y)
 dummy := $(call unnest-vars,.., \
                block-obj-y \
                block-obj-m \
                chardev-obj-y \
-               crypto-obj-y \
                io-obj-y \
                common-obj-y \
                common-obj-m)
diff --git a/crypto/Makefile.objs b/crypto/Makefile.objs
deleted file mode 100644
index fe8b2eadf7..0000000000
--- a/crypto/Makefile.objs
+++ /dev/null
@@ -1,34 +0,0 @@ 
-crypto-obj-y = init.o
-crypto-obj-y += hash.o
-crypto-obj-$(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-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.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 7250ffc9ca..d11b34f61e 100644
--- a/crypto/meson.build
+++ b/crypto/meson.build
@@ -1,3 +1,51 @@ 
+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.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_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 = crypto_ss.apply(config_host, strict: false)
+libcrypto = static_library('crypto', crypto_ss.sources(),
+                           dependencies: [crypto_ss.dependencies()],
+                           name_suffix: 'fa',
+                           build_by_default: false)
+
+crypto = declare_dependency(link_whole: libcrypto)
+
 util_ss.add(files('aes.c'))
 util_ss.add(files('init.c'))
 if 'CONFIG_GCRYPT' in config_host
diff --git a/meson.build b/meson.build
index 218c495063..f11c474302 100644
--- a/meson.build
+++ b/meson.build
@@ -276,6 +276,8 @@  subdir('qobject')
 subdir('stubs')
 subdir('trace')
 subdir('util')
+subdir('qom')
+subdir('authz')
 subdir('crypto')
 subdir('ui')
 
@@ -291,8 +293,6 @@  libqemuutil = static_library('qemuutil',
 qemuutil = declare_dependency(link_with: libqemuutil,
                               sources: version_res)
 
-subdir('qom')
-subdir('authz')
 subdir('fsdev')
 
 # Other build targets
diff --git a/qom/meson.build b/qom/meson.build
index 3c41ed37e4..4af044d858 100644
--- a/qom/meson.build
+++ b/qom/meson.build
@@ -1,4 +1,5 @@ 
 qom_ss = ss.source_set()
+qom_ss.add(genh)
 qom_ss.add(files(
   'container.c',
   'object.c',
@@ -9,7 +10,6 @@  qom_ss.add(files(
 qom_ss = qom_ss.apply(config_host, strict: false)
 libqom = static_library('qom', qom_ss.sources(),
                         dependencies: [qom_ss.dependencies()],
-                        link_with: [libqemuutil],
                         name_suffix: 'fa')
 
 qom = declare_dependency(link_whole: libqom)