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Problem accessing gcc [message #1836301]

Mon, 28 December 2020 17:57

Alan Rouse

Messages: 15
Registered: July 2009

Junior Member

Until recently I have been using Eclipse 2018 for C/C++ with 2018 versions of gcc-arm-eabi, OpenOCD and gnu. Building the tools was a bit convoluted but I have documented the required sequence, and I have saved the various components needed.

I am now trying to update to use current versions of the tools. I am impressed that Eclipse now incorporates some of the required add-ons, like Java. However, I struggled initially to install OpenOCD, gnu and gcc but I eventually mastered xpm. and added them as xpacks.

I have updated the paths in Window>>Preferences and Project>>Properties to point to the xpack folders. However, when I try to build the project it reports:

Error: Program "make" not found in PATH
PATH=[C:/Users/L-G/.p2/pool/plugins/org.eclipse.justj.openjdk.hotspot.jre.full.win32.x86_64_15.0.1.v20201027-0507/jre/bin/server;C:/Users/L-G/.p2/pool/plugins/org.eclipse.justj.openjdk.hotspot.jre.full.win32.x86_64_15.0.1.v20201027-0507/jre/bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Windows\System32\OpenSSH\;C:\Program Files\dotnet\;C:\Program Files\WinZip;C:\Program Files (x86)\Windows Live\Shared;C:\Program Files\nodejs\;C:\Users\L-G\AppData\Local\Microsoft\WindowsApps;C:\Users\L-G\AppData\Roaming\npm;C:\eclipse]

It apparently hasn't included the paths configured in Window>>Preferences or Project>>Properties. I found a workaround by adding the path ...xPacks\@gnu-mcu-eclipse\windows-build-tools\2.12.1-1\.content\bin in Project>>Properties>>C/C++ Build>>Environment.

However, although the builder now runs my Makefile it fails each time it calls gcc with the following message:

..../xpacks/@gnu-mcu-eclipse/windows-build-tools/2.12.1-1/.content/bin/sh: arm-none-eabi-gcc: not found

Eclipse has added /sh to the folder, which means it can't find gcc. I can't find anything in the configuration to explain why.

How can I correct this?

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Re: Problem accessing gcc [message #1836310 is a reply to message #1836301]

Mon, 28 December 2020 21:42

David Vavra

Messages: 1426
Registered: October 2012

Senior Member

Eclipse didn't add the /sh -- make did.
It's the default shell used by make
and it can't find arm-none-eabi-gcc

Here's an example

Invoking: GCC C++ Compiler
g++-bad -std=c++17 -O0 -g3 -Wall -c -fmessage-length=0 -MMD -MP -MF"src/TestIncludes.d" -MT"src/TestIncludes.o" -o "src/TestIncludes.o" "../src/TestIncludes.cpp"
/bin/sh: g++-bad: command not found
make: *** [src/subdir.mk:20: src/TestIncludes.o] Error 127

You should avoid using relative paths for things like compilers.
The path will be relative to the current directory when running make.
It may not be what you expect.

Try setting the compiler command path in the Cross Compile settings if you are using an Eclipse Managed Build. Otherwise, fix your makefile.
index.php/fa/39625/0/

Attachment: Screenshot_2020-12-28_17-05-05CrossSettings.png
(Size: 14.55KB, Downloaded 1660 times)

[Updated on: Mon, 28 December 2020 22:06]

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