From: PG Bug reporting form <noreply@postgresql.org>
To: pgsql-bugs@lists.postgresql.org
Cc: arjunshetty955@gmail.com
Subject: BUG #17160: PostgreSQL13.4:Build failure with GNU Compiler.
Date: Wed, 25 Aug 2021 15:11:02 +0000
Message-ID: <17160-79ee3343280829ff@postgresql.org> (raw)
The following bug has been logged on the website:
Bug reference: 17160
Logged by: arjun shetty
Email address: arjunshetty955@gmail.com
PostgreSQL version: 13.4
Operating system: Ubuntu 20.04.1 LTS
Description:
Observed build errors on PostgreSQLv13.4/PostgreSQLv14beta2 with GNU
Compiler.
GCC Build Command:
CC=gcc CXX=g++ ../configure --prefix=<pathtoInstall> CFLAGS='-O3
-march=native -flto' CXXFLAGS='-O3 -march=native -flto'
build errror:
/tmp/zic.soWwyC.ltrans0.ltrans.o:<artificial>:(.text.startup+0xf7b): more
undefined references to `pg_fprintf' follow
/tmp/zic.soWwyC.ltrans0.ltrans.o: In function `main':
<artificial>:(.text.startup+0xfe9): undefined reference to `pg_strerror'
<artificial>:(.text.startup+0x1009): undefined reference to `pg_fprintf'
collect2: error: ld returned 1 exit status
make[2]: *** [Makefile:55: zic] Error 1
without flto build was success
-flto=thin supported for clang(llvm) .
GCC supports LTO(can use normal flto or GCC has an equivalent to Thin LTO:
WHOle Program optimizeR (WHOPR) i.e like -flto=fwhopr )
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To: pgsql-bugs@postgresql.org
Cc: noreply@postgresql.org, pgsql-bugs@lists.postgresql.org, arjunshetty955@gmail.com
Subject: Re: BUG #17160: PostgreSQL13.4:Build failure with GNU Compiler.
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