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Some of my executables are unresponsive. What tools exist in cygwin (other than gdb) to diagnose what is going on? There is no output from the executable (ex. error msg) and these are pre-compiled executables. No graphics. Strictly command line executables. By "unresponsive" I mean that when I enter "executable_name -v" at the bash prompt then nothing happens except the prompt coming back immediately. These are all gnu programs so I expect some response given "-v" even if it is just an error message. This is not a program development question. The problem executables were configured and compiled by another person many years ago and have worked ever since on another (first) computer. The problem exists only on a second (new) computer. I'm guessing this is a computer and/or cygwin configuration issue. Cygwin was installed on the second computer using the packages present on the first computer. I've attached the output from "cygcheck -s -v -r" on both computers. I've looked at a diff from both files but found nothing significant. You can see that the 'cygwin dll version info' section is identical. All the executables are in the path, on both computers: c:\ecos\Isogarde-eCos\tools\gnutools\build\gnutools\arm-elf\bin I've attached a folder listing (ls -l) for the executables' folder. The unresponsive programs are all related to gcc, namely: arm-elf-c++.exe arm-elf-cpp.exe arm-elf-g++.exe arm-elf-gcc.exe arm-elf-gcov.exe Other tools in the same folder are ok, namely: arm-elf-addr2line.exe ok arm-elf-ar.exe ok arm-elf-as.exe ok arm-elf-c++filt.exe ok arm-elf-gccbug ok arm-elf-gdb.exe ok arm-elf-ld.exe ok arm-elf-nm.exe ok arm-elf-objcopy.exe ok arm-elf-objdump.exe ok arm-elf-ranlib.exe ok arm-elf-readelf.exe ok arm-elf-run.exe ok arm-elf-size.exe ok arm-elf-strings.exe ok arm-elf-strip.exe ok PS. Please assume that I have had no formal programming education. I am learning haphazardly from books and the internet. Gilles
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