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lto-wrapper: warning: using serial compilation of 16 LTRANS jobs #1001

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iz8mbw opened this issue Jan 30, 2024 · 2 comments
Closed

lto-wrapper: warning: using serial compilation of 16 LTRANS jobs #1001

iz8mbw opened this issue Jan 30, 2024 · 2 comments

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@iz8mbw
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iz8mbw commented Jan 30, 2024

Hello.
Trying to build unbound on Ubuntu 22 using gcc version 12.3.0 and have this issue when make:

lto-wrapper: warning: using serial compilation of 16 LTRANS jobs
lto-wrapper: note: see the '-flto' option documentation for more information
/usr/bin/ld: /opt/ssl3/lib64/libcrypto.a(libcrypto-lib-ui_openssl.o): warning: relocation against `stdin@@GLIBC_2.2.5' in read-only section `.text'
/usr/bin/ld: /opt/ssl3/lib64/libcrypto.a(libcrypto-lib-cryptlib.o): relocation R_X86_64_PC32 against symbol `stderr@@GLIBC_2.2.5' can not be used when making a shared object; recompile with -fPIC
/usr/bin/ld: final link failed: bad value
collect2: error: ld returned 1 exit status
make: *** [Makefile:366: libunbound.la] Error 1

Configured with:
./configure --sysconfdir=/etc --enable-tfo-client --enable-tfo-server --with-ssl=/opt/ssl3 --with-libnghttp2

having OpenSSL 3.2.0 built from source in /opt/ssl3
@wcawijngaards
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There could be one of two things wrong here. The lto compilation option could be giving trouble, as it did in the past for Ubuntu compiles, but older Ubuntu versions, and that can be mitigated by using the configure flag --disable-flto. The warning of the relocation, not sure if that is an lto problem or a static versus shared problem. The next error is about use of the static openssl library for a shared compile, and this can be mitigated by using the configure option --disable-shared. That stops the compilation of the shared library, the .so file, but it builds the server executable and a static library.

Perhaps the configure flags --enable-static-exe or --enable-fully-static can be useful. They are used to make static compiles, so the binaries do not depend on shared libraries. But I think perhaps one of the first two configure options could help.

@iz8mbw
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iz8mbw commented Feb 1, 2024

Hello and thank you for answer.
I confirm adding --disable-shared --disable-flto to configure solve the issue.

Many thanks!

@iz8mbw iz8mbw closed this as completed Feb 1, 2024
@scarf005 scarf005 mentioned this issue Mar 30, 2024
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@iz8mbw @wcawijngaards