pacaur -S osync

:: Checking osync integrity...
==> Making package: osync v1.2.r0.b6ad2f2-1 (lun dic 25 22:20:34 CET 2017)
==> Retrieving sources...
  -> Updating osync git repo...
Fetching origin
==> Validating source files with md5sums...
    osync ... Skipped
:: Building osync package(s)...
==> Making package: osync v1.2.r3.c55b39c-1 (lun dic 25 22:20:36 CET 2017)
==> Checking runtime dependencies...
==> Checking buildtime dependencies...
==> WARNING: Using existing $srcdir/ tree
==> Starting pkgver()...
==> Entering fakeroot environment...
==> Starting package()...
./install.sh: line 174: Logger: command not found
==> Tidying install...
  -> Removing libtool files...
  -> Purging unwanted files...
  -> Removing static library files...
  -> Stripping unneeded symbols from binaries and libraries...
  -> Compressing man and info pages...
==> Checking for packaging issue...
==> Creating package "osync"...
  -> Generating .PKGINFO file...
  -> Generating .BUILDINFO file...
  -> Generating .MTREE file...
  -> Compressing package...
==> Leaving fakeroot environment.
==> Finished making: osync v1.2.r3.c55b39c-1 (lun dic 25 22:20:37 CET 2017)
==> Cleaning up...
:: Installing osync package(s)...
:: osync package(s) failed to install.
:: ensure package version does not mismatch between .SRCINFO and PKGBUILD
:: ensure package name has a VCS suffix if this is a devel package