$ meson build
The Meson build system
Version: 0.49.0
Source dir: /home/aiadmin/Downloads/clevis
Build dir: /home/aiadmin/Downloads/clevis/build
Build type: native build
Project name: clevis
Project version: 11
Native C compiler: cc (gcc 8.3.0 "cc (Ubuntu 8.3.0-6ubuntu1) 8.3.0")
Build machine cpu family: x86_64
Build machine cpu: x86_64
Found pkg-config: /usr/bin/pkg-config (0.29.1)
Dependency jansson found: YES 2.12
Dependency jose found: YES 10
Program a2x found: NO
Dependency bash-completion found: YES 2.8
Dependency libcryptsetup found: YES 2.1.0
Dependency luksmeta found: YES 9
Program pwmake found: YES (/usr/bin/pwmake)
Dependency systemd found: YES 240
Found CMake: /usr/bin/cmake (3.13.4)
Dependency dracut found: NO (tried pkgconfig and cmake)
src/luks/systemd/dracut/clevis/meson.build:20: WARNING: Will not install dracut module due to missing dependencies!
Dependency dracut found: NO (tried pkgconfig and cmake)
src/luks/systemd/dracut/clevis-pin-tang/meson.build:13: WARNING: Will not install dracut module clevis-pin-tang due to missing dependencies!
Dependency dracut found: NO (tried pkgconfig and cmake)
src/luks/systemd/dracut/clevis-pin-tpm2/meson.build:13: WARNING: Will not install dracut module clevis-pin-tpm2 due to missing dependencies!
Dependency dracut found: NO (tried pkgconfig and cmake)
src/luks/systemd/dracut/clevis-pin-sss/meson.build:13: WARNING: Will not install dracut module clevis-pin-sss due to missing dependencies!
Configuring clevis-luks-askpass.service using configuration
Dependency audit found: YES 2.8.3
Dependency udisks2 found: YES 2.8.2
Configuring clevis-luks-udisks2.desktop using configuration
Dependency libcrypto found: YES 1.1.1b
Program /home/aiadmin/Downloads/clevis/src/pins/sss/pin-sss found: YES (/home/aiadmin/Downloads/clevis/src/pins/sss/pin-sss)
Program /home/aiadmin/Downloads/clevis/src/pins/sss/pin-test found: YES (/home/aiadmin/Downloads/clevis/src/pins/sss/pin-test)
Program systemd-socket-activate found: YES (/usr/bin/systemd-socket-activate)
Program /usr/local/libexec/tangd-keygen found: NO
Program /usr/libexec/tangd-keygen found: NO
Program /usr/local/libexec/tangd-update found: NO
Program /usr/libexec/tangd-update found: NO
Program /usr/local/libexec/tangd found: NO
Program /usr/libexec/tangd found: NO
Program curl found: YES (/usr/bin/curl)
src/pins/tang/meson.build:41: WARNING: Will not run tang tests due to missing dependencies!
Program tpm2_createprimary found: YES (/usr/bin/tpm2_createprimary)
Program tpm2_pcrread found: NO
Program tpm2_pcrlist found: YES (/usr/bin/tpm2_pcrlist)
Program tpm2_createpolicy found: YES (/usr/bin/tpm2_createpolicy)
Program tpm2_create found: YES (/usr/bin/tpm2_create)
Program tpm2_load found: YES (/usr/bin/tpm2_load)
Program tpm2_unseal found: YES (/usr/bin/tpm2_unseal)
meson.build:60: WARNING: Will not build man pages due to missing dependencies!
Build targets in project: 3
Found ninja-1.8.2 at /usr/bin/ninja
Works on 18.04. The pkg-config file and the include file location seems to be identical there.