Re: [Buildroot] [PATCH v6 03/10] package/newlib-bare-metal: new package

["Yann E. MORIN" <yann.morin.1998@free.fr>]

Neal, All,

On 2023-11-14 05:47 +0000, Frager, Neal via buildroot spake thusly:
[--SNIP--]
> I finally got the time to get back on this, but there appears to be another issue.
> When I use the following for installing the newlib in the sysroot staging area:
> NEWLIB_BARE_METAL_INSTALL_STAGING_OPTS = \
> 	DESTDIR=$(HOST_GCC_BARE_METAL_SYSROOT) \
> 	Install
> I get the following error message:
> /usr/bin/install: cannot create regular file '/buildroot/output/host/microblazeel-xilinx-elf/sysroot/usr/microblazeel-xilinx-elf/lib': No such file or directory

I had a very quick glance at the newlib Makefile, and it seems it might
not be totally parallel-safe, especially for installation, so maybe:

    NEWLIB_BARE_METAL_MAKE = $(MAKE1)

Can you try that, please?

> This is because newlib tries to install libraries to this directory before the autotools runs the following command later on:
> /usr/bin/mkdir -p '/buildroot/output/host/microblazeel-xilinx-elf/sysroot/usr/microblazeel-xilinx-elf/lib'
> 
> I have a hack solution by manually doing the mkdir in advance, but this should not be needed.
> The autotools should make all the directories that are needed for the install.

The issue is that newlib is not really an autotools package: the
Makefile is generated from Makefile.in, itself generated by autogen
(https://www.gnu.org/software/autogen/) which, AFAIK, is not part of the
autotools suite.

So, newlib uses autoconf, but does not use automake, and thus uses a
custom Makefile template, which might explain why it is not
parallel-safe.

Regards,
Yann E. MORIN.

> Would you be able to look at the pkg-autotools to see if we can fix this problem at its root by creating the lib directory from the beginning of install_staging?
> 
> Thank you for your help!
> 
> Best regards,
> Neal Frager
> AMD
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