From: Tom Lane <tgl@sss.pgh.pa.us>
To: Justin Pryzby <pryzby@telsasoft.com>
Cc: Robert Haas <robertmhaas@gmail.com>
Cc: Dilip Kumar <dilipbalaut@gmail.com>
Cc: Andres Freund <andres@anarazel.de>
Cc: Tomas Vondra <tomas.vondra@2ndquadrant.com>
Cc: Alexander Korotkov <a.korotkov@postgrespro.ru>
Cc: David Steele <david@pgmasters.net>
Cc: Ildus Kurbangaliev <i.kurbangaliev@gmail.com>
Cc: Dmitry Dolgov <9erthalion6@gmail.com>
Cc: Andrey Borodin <x4mmm@yandex-team.ru>
Cc: pgsql-hackers@lists.postgresql.org
Subject: Re: [HACKERS] Custom compression methods (mac+lz4.h)
Date: Sat, 20 Mar 2021 17:37:07 -0400
Message-ID: <301730.1616276227@sss.pgh.pa.us> (raw)
In-Reply-To: <20210320212302.GW11765@telsasoft.com>
References: <20210315225835.2toe2ceanp7gi6fw@alap3.anarazel.de>
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<20210319163511.GL11765@telsasoft.com>
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<20210319174425.GM11765@telsasoft.com>
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<20210320212302.GW11765@telsasoft.com>
Justin Pryzby <pryzby@telsasoft.com> writes:
> On Fri, Mar 19, 2021 at 02:07:31PM -0400, Robert Haas wrote:
>> On Fri, Mar 19, 2021 at 1:44 PM Justin Pryzby <pryzby@telsasoft.com> wrote:
>>> configure: WARNING: lz4.h: accepted by the compiler, rejected by the preprocessor!
>>> configure: WARNING: lz4.h: proceeding with the compiler's result
>> No, I don't see this. I wonder whether this could possibly be an
>> installation issue on Andrey's machine? If not, it must be
>> version-dependent or installation-dependent in some way.
> Andrey, can you check if latest HEAD (bbe0a81db) has these ./configure warnings ?
FWIW, I also saw that, when building HEAD against MacPorts' version
of liblz4 on an M1 Mac. config.log has
configure:13536: checking lz4.h usability
configure:13536: ccache clang -c -I/opt/local/include -Wall -Wmissing-prototype\
s -Wpointer-arith -Wdeclaration-after-statement -Werror=vla -Wendif-labels -Wmi\
ssing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -Wno-unus\
ed-command-line-argument -g -O2 -isysroot /Applications/Xcode.app/Contents/Deve\
loper/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk conftest.c >&5
configure:13536: $? = 0
configure:13536: result: yes
configure:13536: checking lz4.h presence
configure:13536: ccache clang -E -isysroot /Applications/Xcode.app/Contents/Dev\
eloper/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk conftest.c
conftest.c:67:10: fatal error: 'lz4.h' file not found
#include <lz4.h>
^~~~~~~
1 error generated.
configure:13536: $? = 1
Digging around, it looks like the "-I/opt/local/include" bit came
from LZ4_CFLAGS, which we then stuck into CFLAGS, but it needed
to be put in CPPFLAGS in order to make this test work.
regards, tom lane
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To: pgsql-hackers@postgresql.org
Cc: tgl@sss.pgh.pa.us, pryzby@telsasoft.com, robertmhaas@gmail.com, dilipbalaut@gmail.com, andres@anarazel.de, tomas.vondra@2ndquadrant.com, a.korotkov@postgrespro.ru, david@pgmasters.net, i.kurbangaliev@gmail.com, 9erthalion6@gmail.com, x4mmm@yandex-team.ru, pgsql-hackers@lists.postgresql.org
Subject: Re: [HACKERS] Custom compression methods (mac+lz4.h)
In-Reply-To: <301730.1616276227@sss.pgh.pa.us>
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