The Meson build system
Version: 0.56.0
Source dir: /tmp/pamac-build/evolution-decsync/src/Evolution-DecSync
Build dir: /tmp/pamac-build/evolution-decsync/src/Evolution-DecSync/build
Build type: native build
Project name: evolution-decsync
Project version: 1.2.0
Using 'CFLAGS' from environment with value: '-march=x86-64 -mtune=generic -O2 -pipe -fno-plt'
Using 'LDFLAGS' from environment with value: '-Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now'
Using 'CPPFLAGS' from environment with value: '-D_FORTIFY_SOURCE=2'
C compiler for the host machine: cc (gcc 10.2.0 "cc (GCC) 10.2.0")
C linker for the host machine: cc ld.bfd 2.35.1
Using 'CFLAGS' from environment with value: '-march=x86-64 -mtune=generic -O2 -pipe -fno-plt'
Using 'LDFLAGS' from environment with value: '-Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now'
Using 'CPPFLAGS' from environment with value: '-D_FORTIFY_SOURCE=2'
Host machine cpu family: x86_64
Host machine cpu: x86_64
Found pkg-config: /usr/bin/pkg-config (1.7.3)
Run-time dependency libedata-book-1.2 found: YES 3.38.1
Run-time dependency libedata-cal-2.0 found: YES 3.38.1
Run-time dependency evolution-shell-3.0 found: YES 3.38.1
Run-time dependency json-c found: YES 0.15
Found CMake: /usr/bin/cmake (3.18.4)
Run-time dependency decsync found: NO (tried pkgconfig and cmake)

meson.build:13:0: ERROR: Dependency "decsync" not found, tried pkgconfig and cmake