meson: move libudev related definitions to src/libudev/meson.build

Also, this makes libudev.so built in build directory.

meson.build

@@ -1641,13 +1641,14 @@ includes = include_directories('src/basic',
 
 subdir('po')
 subdir('catalog')
-subdir('src/libudev')
-subdir('src/systemd')
 subdir('src/basic')
 subdir('src/libsystemd')
 subdir('src/libsystemd-network')
 subdir('src/journal')
 subdir('src/login')
+subdir('src/shared')
+subdir('src/udev')
+subdir('src/libudev')
 
 libjournal_core = static_library(
         'journal-core',
@@ -1702,16 +1703,44 @@ install_libsystemd_static = static_library(
                         libgcrypt],
         c_args : libsystemd_c_args + (static_libsystemd_pic ? [] : ['-fno-PIC']))
 
+libudev = shared_library(
+        'udev',
+        disable_mempool_c,
+        version : libudev_version,
+        include_directories : includes,
+        link_args : ['-shared',
+                     '-Wl,--version-script=' + libudev_sym_path],
+        link_with : [libsystemd_static, libshared_static],
+        link_whole : libudev_basic,
+        dependencies : [threads],
+        link_depends : libudev_sym,
+        install : true,
+        install_dir : rootlibdir)
+
+install_libudev_static = static_library(
+        'udev',
+        basic_sources,
+        shared_sources,
+        libsystemd_sources,
+        libudev_sources,
+        disable_mempool_c,
+        include_directories : includes,
+        build_by_default : static_libudev != 'false',
+        install : static_libudev != 'false',
+        install_dir : rootlibdir,
+        link_depends : libudev_sym,
+        dependencies : libshared_deps + [libmount],
+        c_args : static_libudev_pic ? [] : ['-fno-PIC'],
+        pic : static_libudev_pic)
+
 ############################################################
 
 # binaries that have --help and are intended for use by humans,
 # usually, but not always, installed in /bin.
 public_programs = []
 
-subdir('src/shared')
 subdir('src/core')
 subdir('src/shutdown')
-subdir('src/udev')
 subdir('src/network')
 
 subdir('src/analyze')
@@ -1741,6 +1770,8 @@ subdir('src/vconsole')
 subdir('src/boot/efi')
 subdir('src/xdg-autostart-generator')
 
+subdir('src/systemd')
+
 subdir('src/test')
 subdir('src/fuzz')
 subdir('rules.d')

src/libudev/meson.build

@@ -1,26 +1,43 @@
 # SPDX-License-Identifier: LGPL-2.1-or-later
 
-libudev_sources = files('''
-        libudev.c
-        libudev-device.c
-        libudev-device-internal.h
-        libudev-enumerate.c
-        libudev-hwdb.c
-        libudev-list.c
-        libudev-list-internal.h
-        libudev-monitor.c
-        libudev-queue.c
-        libudev-util.c
-        libudev-util.h
-'''.split())
+libudev_sources = files(
+        'libudev-device.c',
+        'libudev-device-internal.h',
+        'libudev-enumerate.c',
+        'libudev-hwdb.c',
+        'libudev-list.c',
+        'libudev-list-internal.h',
+        'libudev-monitor.c',
+        'libudev-queue.c',
+        'libudev-util.c',
+        'libudev-util.h',
+        'libudev.c',
+        'libudev.h')
 
 ############################################################
 
+libudev_includes = [includes, include_directories('.')]
+
 libudev_sym = files('libudev.sym')
-libudev_sym_path = meson.current_source_dir() + '/libudev.sym'
+libudev_sym_path = join_paths(meson.current_source_dir(), 'libudev.sym')
 
 install_headers('libudev.h')
-libudev_h_path = '@0@/libudev.h'.format(meson.current_source_dir())
+libudev_h_path = join_paths(meson.current_source_dir(), 'libudev.h')
+
+libudev_basic = static_library(
+        'udev-basic',
+        libudev_sources,
+        include_directories : includes,
+        c_args : ['-fvisibility=default'])
+
+libudev_static = static_library(
+        'udev_static',
+        include_directories : includes,
+        link_with : udev_link_with,
+        link_whole : libudev_basic)
+
+static_libudev = get_option('static-libudev')
+static_libudev_pic = static_libudev == 'true' or static_libudev == 'pic'
 
 configure_file(
         input : 'libudev.pc.in',

src/udev/meson.build

@@ -103,52 +103,6 @@ else
         udev_rpath = ''
 endif
 
-libudev_includes = [includes, include_directories('../libudev')]
-
-libudev_basic = static_library(
-        'udev-basic',
-        libudev_sources,
-        include_directories : libudev_includes,
-        c_args : ['-fvisibility=default'])
-
-libudev_static = static_library(
-        'udev_static',
-        include_directories : libudev_includes,
-        link_with : udev_link_with,
-        link_whole : libudev_basic)
-
-static_libudev = get_option('static-libudev')
-static_libudev_pic = static_libudev == 'true' or static_libudev == 'pic'
-install_libudev_static = static_library(
-        'udev',
-        basic_sources,
-        shared_sources,
-        libsystemd_sources,
-        libudev_sources,
-        disable_mempool_c,
-        include_directories : libudev_includes,
-        build_by_default : static_libudev != 'false',
-        install : static_libudev != 'false',
-        install_dir : rootlibdir,
-        link_depends : libudev_sym,
-        dependencies : libshared_deps + [libmount],
-        c_args : static_libudev_pic ? [] : ['-fno-PIC'],
-        pic : static_libudev_pic)
-
-libudev = shared_library(
-        'udev',
-        disable_mempool_c,
-        version : libudev_version,
-        include_directories : libudev_includes,
-        link_args : ['-shared',
-                     '-Wl,--version-script=' + libudev_sym_path],
-        link_with : [libsystemd_static, libshared_static],
-        link_whole : libudev_basic,
-        dependencies : [threads],
-        link_depends : libudev_sym,
-        install : true,
-        install_dir : rootlibdir)
-
 ############################################################
 
 libudevd_core_includes = [includes, include_directories('net')]