1. EU 4.2 dev - error with get_key()

  • Posted by jmduro 5 days ago
  • 177 views

When trying to compute a console application on Eu v4.2.0 rev 22b5124 using get_key() from std/console.e, I get the following error: 

error: implicit declaration of function 'get_key' [-Wimplicit-function-declaration] 
Couldn't compile file 'entry.c' 
Status: 1 Command: gcc  -fomit-frame-pointer -c -w -fsigned-char -O2 -m64 -I/usr/local/euphoria-4.2.0-Linux-x64 -ffast-math entry.c

Jean-Marc

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2. Re: EU 4.2 dev - error with get_key()

  • Posted by ghaberek (admin) 5 days ago
  • 165 views

I think I ran into this recently but I don't recall how I solved or worked around it. What platform are you on, and can you give a brief overview of how you built 4.2?

-Greg

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3. Re: EU 4.2 dev - error with get_key()

  • Posted by jmduro 5 days ago
  • 165 views

I use this version on Linux Mint Debian Edition Gigi (based on Debian Trixie) x64: 

Euphoria Interpreter v4.2.0 release 
   64-bit Linux, Using System Memory 
   Revision Date: 2025-01-24, Id: 22b5124

I downloaded euphoria_4.2.0_dev_22b5124_Linux64.tgz when it was available on github. It already contains binaries so I just had to move binaries to the right place.

Jean-Marc

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4. Re: EU 4.2 dev - error with get_key()

  • Posted by jmduro 5 days ago
  • 160 views

Binaries of Eu 4.2.0 are still available here (Win64, Linux64): https://github.com/jm-duro/euphoria/releases/tag/22b5124

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5. Re: EU 4.2 dev - error with get_key()

jmduro said...

When trying to compute a console application on Eu v4.2.0 rev 22b5124 using get_key() from std/console.e, I get the following error: 

error: implicit declaration of function 'get_key' [-Wimplicit-function-declaration] 
Couldn't compile file 'entry.c' 
Status: 1 Command: gcc  -fomit-frame-pointer -c -w -fsigned-char -O2 -m64 -I/usr/local/euphoria-4.2.0-Linux-x64 -ffast-math entry.c

Jean-Marc

Hallo

I had similar problems with a new GCC on Windows.

You could test this here (in your eu.cfg) 

[translate] 
-extra-cflags -std=gnu89
or more explicitly

Here 

[translate] 
-extra-cflags -std=gnu89 -Wno-error=implicit-function-declaration

Andreas

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6. Re: EU 4.2 dev - error with get_key()

  • Posted by jmduro 4 days ago
  • 155 views

Thank you Andreas, this does the job.

Jean-Marc

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7. Re: EU 4.2 dev - error with get_key()

jmduro said...

Thank you Andreas, this does the job.

Jean-Marc

Hi Jean-Marc,

Which version of GCC caused the error for you?

If I'm interpreting the error correctly, it will occur with every newer version of GCC, regardless of the Euphoria version. The only question is which version of GCC it starts with.

For me, it was version 15.2.0. Everything was still working fine with tdm-gcc 10.3.0.

Andreas

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8. Re: EU 4.2 dev - error with get_key()

  • Posted by jmduro 1 day ago
  • 39 views

Hello Andreas,

gcc 14.2.0 

COLLECT_GCC=gcc 
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-linux-gnu/14/lto-wrapper 
OFFLOAD_TARGET_NAMES=nvptx-none:amdgcn-amdhsa 
OFFLOAD_TARGET_DEFAULT=1 
Target: x86_64-linux-gnu 
Configured with: ../src/configure -v --with-pkgversion='Debian 14.2.0-19' --with-bugurl=file:///usr/share/doc/gcc-14/README.Bugs --enable-languages=c,ada,c++,go,d,fortran,objc,obj-c++,m2,rust --prefix=/usr --with-gcc-major-version-only --program-suffix=-14 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/libexec --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-bootstrap --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-libstdcxx-backtrace --enable-gnu-unique-object --disable-vtable-verify --enable-plugin --enable-default-pie --with-system-zlib --enable-libphobos-checking=release --with-target-system-zlib=auto --enable-objc-gc=auto --enable-multiarch --disable-werror --enable-cet --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none=/build/reproducible-path/gcc-14-14.2.0/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/reproducible-path/gcc-14-14.2.0/debian/tmp-gcn/usr --enable-offload-defaulted --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-build-config=bootstrap-lto-lean --enable-link-serialization=3 
Thread model: posix 
Supported LTO compression algorithms: zlib zstd 
gcc version 14.2.0 (Debian 14.2.0-19)

Jean-Marc

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9. Re: EU 4.2 dev - error with get_key()

jmduro said...

Hello Andreas,

gcc 14.2.0

[...]

Jean-Marc

Hello,

I tested gcc 13.2.0 again. Everything still runs without errors.

I also read that stricter rules apply starting with gcc 14

Stricter C conformance (now errors by default)
Constructs that have been deprecated since the C99 standard but previously only generated warnings now cause the build process to fail.

For me on Windows, this means I'll set aside the w64devkit version 1.22.0 with gcc 13.2.0 for now.

Maybe this information will help others as well.
Andreas

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