-lssh is defined in curl package config '/usr/lib/*/pkgconfig/libcurl.pc'.
It is read via
`# Look for libcurl, a required dependency.
PKG_CHECK_MODULES([LIBCURL], [libcurl], [CXXFLAGS="$LIBCURL_CFLAGS $CXXFLAGS"])
`
in configure.ac
libcurl depends on libssh-dev where as nix does not have this dependency.
adding libssh-dev to the control file solves the failure to build.
-lssh is defined in curl package config '/usr/lib/ */pkgconfig/ libcurl. pc'.
It is read via MODULES( [LIBCURL] , [libcurl], [CXXFLAGS= "$LIBCURL_ CFLAGS $CXXFLAGS"])
`# Look for libcurl, a required dependency.
PKG_CHECK_
`
in configure.ac
libcurl depends on libssh-dev where as nix does not have this dependency.
adding libssh-dev to the control file solves the failure to build.