From: Adhemerval Zanella Netto <adhemerval.zanella@linaro.org>
To: Jan-Benedict Glaw <jbglaw@lug-owl.de>, libc-alpha@sourceware.org
Subject: Re: [PATCH] build-many-glibcs.py: --disable-gcov for gcc-first
Date: Tue, 4 Apr 2023 09:48:09 -0300 [thread overview]
Message-ID: <1e8fd356-1ab1-8eba-afa2-7f58f5f0d9ce@linaro.org> (raw)
In-Reply-To: <20230401190919.gekhiyxeakd4kcta@lug-owl.de>
On 01/04/23 16:09, Jan-Benedict Glaw wrote:
> Hi!
>
> I started using scripts/build-many-glibcs.py to do scheduled CI builds
> with --full-gcc and noticed that in my setup (fairly new host GCC
> version, and a small patch to use all-trunk versions for all relevant
> sources from a local GIT mirror), I run into an issue with gcc-first:
>
> /var/lib/laminar/run/glibcbot-alpha-linux-gnu/20/install/compilers/alpha-linux-gnu/alpha-glibc-linux-gnu/bin/ar rc libgcc.a $objects
> /var/lib/laminar/run/glibcbot-alpha-linux-gnu/20/install/compilers/alpha-linux-gnu/alpha-glibc-linux-gnu/bin/ranlib libgcc.a
> /var/lib/laminar/run/glibcbot-alpha-linux-gnu/20/build/compilers/alpha-linux-gnu/gcc-first/./gcc/xgcc -B/var/lib/laminar/run/glibcbot-alpha-linux-gnu/20/build/compilers/alpha-linux-gnu/gcc-first/./gcc/ -B/var/lib/laminar/run/glibcbot-alpha-linux-gnu/20/install/compilers/alpha-linux-gnu/alpha-glibc-linux-gnu/bin/ -B/var/lib/laminar/run/glibcbot-alpha-linux-gnu/20/install/compilers/alpha-linux-gnu/alpha-glibc-linux-gnu/lib/ -isystem /var/lib/laminar/run/glibcbot-alpha-linux-gnu/20/install/compilers/alpha-linux-gnu/alpha-glibc-linux-gnu/include -isystem /var/lib/laminar/run/glibcbot-alpha-linux-gnu/20/install/compilers/alpha-linux-gnu/alpha-glibc-linux-gnu/sys-include -g -O2 -mieee -O2 -g -O2 -mieee -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem ./include -fPIC -mieee -mfp-rounding-mode=d -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -Dinhibit_libc -fPIC -mieee -mfp-rounding-mode=d -I. -I. -I../.././gcc -I/var/lib/laminar/run/glibcbot-alpha-linux-gnu/20/src/gcc/libgcc -I/var/lib/laminar/run/glibcbot-alpha-linux-gnu/20/src/gcc/libgcc/. -I/var/lib/laminar/run/glibcbot-alpha-linux-gnu/20/src/gcc/libgcc/../gcc -I/var/lib/laminar/run/glibcbot-alpha-linux-gnu/20/src/gcc/libgcc/../include -DHAVE_CC_TLS -o _gcov_merge_add.o -MT _gcov_merge_add.o -MD -MP -MF _gcov_merge_add.dep -DL_gcov_merge_add -c /var/lib/laminar/run/glibcbot-alpha-linux-gnu/20/src/gcc/libgcc/libgcov-merge.c
> In file included from /var/lib/laminar/run/glibcbot-alpha-linux-gnu/20/src/gcc/libgcc/libgcov-merge.c:26:
> /var/lib/laminar/run/glibcbot-alpha-linux-gnu/20/src/gcc/libgcc/libgcov.h:49:10: fatal error: sys/mman.h: No such file or directory
> 49 | #include <sys/mman.h>
> | ^~~~~~~~~~~~
> compilation terminated.
> make[3]: *** [Makefile:924: _gcov_merge_add.o] Error 1
> make[3]: Leaving directory '/var/lib/laminar/run/glibcbot-alpha-linux-gnu/20/build/compilers/alpha-linux-gnu/gcc-first/alpha-glibc-linux-gnu/libgcc'
> make[2]: *** [Makefile:13209: all-target-libgcc] Error 2
> make[2]: Leaving directory '/var/lib/laminar/run/glibcbot-alpha-linux-gnu/20/build/compilers/alpha-linux-gnu/gcc-first'
> make[1]: *** [Makefile:1023: all] Error 2
> make[1]: Leaving directory '/var/lib/laminar/run/glibcbot-alpha-linux-gnu/20/build/compilers/alpha-linux-gnu/gcc-first'
>
> FAIL: compilers-alpha-linux-gnu gcc-first build
>
>
> I found a long-standing PR for GCC:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100289 . Maybe it would
> be okay to pass --disable-gcov to overcome this?
It is not clear on the bug report whether this is gcc bug or the intended way to
bootstrap. Either way, I think it should be fine to disable it on bootstrap
(it is unlike we will need a gcov enabled stage 2 gcc and if it is really
required a stage 3 might a better way to accomplish it).
>
>
> diff --git a/scripts/build-many-glibcs.py b/scripts/build-many-glibcs.py
> index 29c10c2916..b29e32e7bd 100755
> --- a/scripts/build-many-glibcs.py
> +++ b/scripts/build-many-glibcs.py
> @@ -1483,6 +1483,7 @@ class Config(object):
> '--disable-threads',
> '--disable-libatomic',
> '--disable-decimal-float',
> + '--disable-gcov',
> '--disable-libffi',
> '--disable-libgomp',
> '--disable-libitm',
>
> This gets me past this build step.
>
> Thanks,
> Jan-Benedict
>
next prev parent reply other threads:[~2023-04-04 12:48 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-01 19:09 Jan-Benedict Glaw
2023-04-04 12:48 ` Adhemerval Zanella Netto [this message]
2023-04-13 15:46 ` [PING] " Jan-Benedict Glaw
2023-04-18 18:58 ` [PING^2] " Jan-Benedict Glaw
2023-04-19 12:06 ` Adhemerval Zanella Netto
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