buildroot/package/ltrace/Config.in

config BR2_PACKAGE_LTRACE
	bool "ltrace"
	depends on !(BR2_avr32 || BR2_mips || BR2_mipsel || BR2_sh || BR2_sh64 || BR2_xtensa)
	select BR2_PACKAGE_LIBELF
	help
	  Debugging program which runs a specified command until it exits.
	  While the command is executing, ltrace intercepts and records
	  the dynamic library calls which are called by the executed
	  process and the signals received by that process.

	  http://packages.debian.org/unstable/utils/ltrace.html