Autoreconf'ed configure script for libiberty fails: syntax error near unexpected token `PLUGIN_OPTION'

[Simon Richter]

Hi,

On 8/18/21 3:42 PM, John Scott via Binutils wrote:

> /home/john/Packaging/binutils-sh-elf/binutils/libiberty/configure: line 2911: `GCC_PLUGIN_OPTION(PLUGIN_OPTION)'

> Here's what lines 2911 and after look like in my configure script:
> GCC_PLUGIN_OPTION(PLUGIN_OPTION)

That happens when aclocal can't find a definition for GCC_PLUGIN_OPTION; 
it cannot flag that as an error because that might be valid and someone 
really used an all-caps name as a function.

That would happen when during autoreconf an include path to aclocal is 
missing, probably something like an "-I m4" option.

    Simon

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