Eclipse CDT error: "make: *** [src/test2.o] Error 127"

On Windows XP I've installed Eclipse CDT. I've installed cygwin including make, gcc, g++, and gdb. I've added C:\cygwin\bin to the windows path variable.

When I create the default HelloWorld project in Eclipse and try to build, I get the following text in the console:

make all

make: echo: Command not found

make: * [src/test3.o] Error 127

If I try make at the command line, then all's well.

Other clues:

Note that I added C:\cygwin\bin to the path rather than C:\cygwin\usr\bin because I didn't find my GNU toolchain in \usr\bin but in \bin. This seems to contradict some online documentation. Stranger still, when I type which make in the command window (not cygwin bash), it reads /usr/bin/make !
I might have installed a new version of cygwin over an old version. I noticed some warnings about this, but since nothing seemed to be wrong with cygwin once complete (and further, since make from the cygwin bash works ok), I didn't dig deeper here.

(Note: there is a related question that I didn't find helpful. Perhaps it's answer was over my head.)

That's what I thought too, but: `which echo --> /usr/bin/echo`. Also `echo $0 --> bash`. Do I misunderstand something?

John Berryman 2010-08-15 02:34:09

@John Berryman: Your Cygwin PATH is not the same as your Windows PATH. You need to go look at the "environment variables" section in the Control Panel -> System -> Advanced tab.

Borealid 2010-08-15 02:35:43

@Borealid: I'm looking but I'm not seeing. I see the Path variable, but nothing else that looks like a place where I can store the cygwin path. Should I be adding a variable?

John Berryman 2010-08-15 02:38:36

@John Berryman: I think you are probably confusing the Cygwin shell with the Windows `cmd.exe`. Your Eclipse-for-Windows does not use the Cygwin variables at all. In order to have access to Cygwin commands, you need to set the Path you see in the control panel to include `C:\cygwin\bin` or whatever.

Borealid 2010-08-15 02:49:34

@Borealid: I'm pretty "green" with these type things, so it's definitely ok to assume ignorance. But I think we're on the same page with Windows and Cygwin paths being different. My current Windows Path variable is set to: %SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;...;C:\cygwin\bin

John Berryman 2010-08-15 02:54:18

And when you run `cmd.exe` and type `C:\cygwin\bin\echo.exe foo`, you see `foo`?

Borealid 2010-08-15 03:12:09

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Eclipse CDT error: "make: *** [src/test2.o] Error 127"

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