3.31.4: meson command fails on latest meson 0.50.1
+ /usr/bin/meson --buildtype=plain --prefix=/usr --libdir=/usr/lib64 --libexecdir=/usr/libexec --bindir=/usr/bin --sbindir=/usr/sbin --includedir=/usr/include --datadir=/usr/share --mandir=/usr/share/man --infodir=/usr/share/info --localedir=/usr/share/locale --sysconfdir=/etc --localstatedir=/var --sharedstatedir=/var/lib --wrap-mode=nodownload --auto-features=enabled . x86_64-redhat-linux-gnu -D gtk_doc=true
The Meson build system
Version: 0.50.1
Source dir: /home/tkloczko/rpmbuild/BUILD/libwnck-3.31.4
Build dir: /home/tkloczko/rpmbuild/BUILD/libwnck-3.31.4/x86_64-redhat-linux-gnu
Build type: native build
Project name: libwnck
Project version: 3.31.4
Appending CFLAGS from environment: '-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -flto'
Appending LDFLAGS from environment: '-Wl,-z,relro -Wl,--as-needed -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -flto -fuse-linker-plugin'
Native C compiler: gcc (gcc 9.0.1 "gcc (GCC) 9.0.1 20190418 (Red Hat 9.0.1-0.14)")
Build machine cpu family: x86_64
Build machine cpu: x86_64
Library m found: YES
Found pkg-config: /usr/bin/pkg-config (1.6.1)
Dependency cairo-xlib-xrender found: YES 1.16.0
Dependency glib-2.0 found: YES 2.61.0
Dependency gobject-2.0 found: YES 2.61.0
Dependency gtk+-3.0 found: YES 3.24.8
Dependency libstartup-notification-1.0 found: YES 0.12
Dependency x11 found: YES 1.6.7
Found CMake: /usr/bin/cmake (3.13.4)
Dependency xres found: NO (tried pkgconfig and cmake)
Configuring config.h using configuration
Configuring libwnck-3.0.pc using configuration
Configuring libwnck-3.0-uninstalled.pc using configuration
DEPRECATION: install_dir: kwarg must be a string and not an empty array. Please use the install: kwarg to enable or disable installation. This will be a hard error in the next release.
meson.build:87:2: ERROR: "install_dir" must be specified when "install" in a configure_file is true