On 2018-09-26 11:57:34 -0700, Andres Freund wrote:
> On 2018-09-26 11:09:59 -0400, Tom Lane wrote:
> > Michael Paquier <mich...@paquier.xyz> writes:
> > > On Tue, Sep 25, 2018 at 12:05:42PM -0400, Tom Lane wrote:
> > >> Alvaro Herrera <alvhe...@2ndquadrant.com> writes:
> > >>> Actually I think it *is* useful to do it like this, because then the
> > >>> user knows to fix the netmsg.dll problem so that they can continue to
> > >>> investigate the winsock problem.  If we don't report the secondary error
> > >>> message, how are users going to figure out how to fix the problem?
> > 
> > >> OK, I'm fine with doing it like that if people want it.
> > 
> > > +1.
> > 
> > OK, pushed 0001 with that adjustment.
> > 
> > While looking over the thread, I remembered I wanted to convert
> > strerror_r into a wrapper as well.  Think I'll go do that next,
> > because really it'd be better for snprintf.c to be calling strerror_r
> > not strerror.
> 
> The strerror push, I assume it's that at least, broke something on icc:
> https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=fulmar&dt=2018-09-26%2018%3A00%3A16
> 
> ================== pgsql.build/src/test/regress/regression.diffs 
> ===================
> *** 
> /var/buildfarm/fulmar/build/HEAD/pgsql.build/src/test/regress/expected/create_function_1.out
>       Wed Sep 26 20:10:35 2018
> --- 
> /var/buildfarm/fulmar/build/HEAD/pgsql.build/src/test/regress/results/create_function_1.out
>        Wed Sep 26 20:10:43 2018
> ***************
> *** 86,92 ****
>   ERROR:  only one AS item needed for language "sql"
>   CREATE FUNCTION test1 (int) RETURNS int LANGUAGE C
>       AS 'nosuchfile';
> ! ERROR:  could not access file "nosuchfile": No such file or directory
>   CREATE FUNCTION test1 (int) RETURNS int LANGUAGE C
>       AS 
> '/var/buildfarm/fulmar/build/HEAD/pgsql.build/src/test/regress/regress.so', 
> 'nosuchsymbol';
>   ERROR:  could not find function "nosuchsymbol" in file 
> "/var/buildfarm/fulmar/build/HEAD/pgsql.build/src/test/regress/regress.so"
> --- 86,92 ----
>   ERROR:  only one AS item needed for language "sql"
>   CREATE FUNCTION test1 (int) RETURNS int LANGUAGE C
>       AS 'nosuchfile';
> ! ERROR:  could not access file "nosuchfile": ENOENT
>   CREATE FUNCTION test1 (int) RETURNS int LANGUAGE C
>       AS 
> '/var/buildfarm/fulmar/build/HEAD/pgsql.build/src/test/regress/regress.so', 
> 'nosuchsymbol';
>   ERROR:  could not find function "nosuchsymbol" in file 
> "/var/buildfarm/fulmar/build/HEAD/pgsql.build/src/test/regress/regress.so"
> 
> ======================================================================

Mandrill as well:
https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=mandrill&dt=2018-09-26%2018%3A30%3A26

*Lots* of new warnings like:
xlc_r -qmaxmem=33554432 -D_LARGE_FILES=1 -DRANDOMIZE_ALLOCATED_MEMORY 
-qnoansialias -g -O2 -qmaxmem=16384 -qsrcmsg -DFRONTEND -I../../src/include 
-I/home/nm/sw/nopath/icu58.2-32/include 
-I/home/nm/sw/nopath/libxml2-32/include/libxml2  
-I/home/nm/sw/nopath/uuid-32/include -I/home/nm/sw/nopath/openldap-32/include 
-I/home/nm/sw/nopath/icu58.2-32/include -I/home/nm/sw/nopath/libxml2-32/include 
-DVAL_CONFIGURE="\"'--enable-cassert' '--enable-debug' '--enable-nls' 
'--enable-tap-tests' '--with-icu' '--with-ldap' '--with-libxml' 
'--with-libxslt' '--with-openssl' '--with-ossp-uuid' '--with-perl' 
'--with-python' '--with-includes=/home/nm/sw/nopath/uuid-32/include 
/home/nm/sw/nopath/openldap-32/include /home/nm/sw/nopath/icu58.2-32/include 
/home/nm/sw/nopath/libxml2-32/include' 
'--with-libraries=/home/nm/sw/nopath/uuid-32/lib 
/home/nm/sw/nopath/openldap-32/lib /home/nm/sw/nopath/icu58.2-32/lib 
/home/nm/sw/nopath/libxml2-32/lib' '--with-tcl' 
'--prefix=/home/nm/farm/xlc32/HEAD/inst' '--with-pgport=7678' 'CC=xlc_r 
-qmaxmem=33554432 -D_LARGE_FILES=1 -DRANDOMIZE_ALLOCATED_MEMORY' 
'PKG_CONFIG_PATH=/home/nm/sw/nopath/icu58.2-32/lib/pkgconfig'\"" 
-DVAL_CC="\"xlc_r -qmaxmem=33554432 -D_LARGE_FILES=1 
-DRANDOMIZE_ALLOCATED_MEMORY\"" 
-DVAL_CPPFLAGS="\"-I/home/nm/sw/nopath/icu58.2-32/include 
-I/home/nm/sw/nopath/libxml2-32/include/libxml2 
-I/home/nm/sw/nopath/uuid-32/include -I/home/nm/sw/nopath/openldap-32/include 
-I/home/nm/sw/nopath/icu58.2-32/include 
-I/home/nm/sw/nopath/libxml2-32/include\"" -DVAL_CFLAGS="\"-qnoansialias -g -O2 
-qmaxmem=16384 -qsrcmsg\"" -DVAL_CFLAGS_SL="\"\"" 
-DVAL_LDFLAGS="\"-L/home/nm/sw/nopath/libxml2-32/lib 
-L/home/nm/sw/nopath/uuid-32/lib -L/home/nm/sw/nopath/openldap-32/lib 
-L/home/nm/sw/nopath/icu58.2-32/lib -L/home/nm/sw/nopath/libxml2-32/lib 
-Wl,-blibpath:'/home/nm/farm/xlc32/HEAD/inst/lib:/home/nm/sw/nopath/libxml2-32/lib:/home/nm/sw/nopath/uuid-32/lib:/home/nm/sw/nopath/openldap-32/lib:/home/nm/sw/nopath/icu58.2-32/lib:/home/nm/sw/nopath/libxml2-32/lib:/usr/lib:/lib'\""
 -DVAL_LDFLAGS_EX="\"\"" -DVAL_LDFLAGS_SL="\" -Wl,-bnoentry -Wl,-H512 
-Wl,-bM:SRE\"" -DVAL_LIBS="\"-lpgcommon -lpgport -lintl -lxslt -lxml2 -lssl 
-lcrypto -lz -lreadline -lm \""  -c -o base64.o base64.c
"../../src/include/common/fe_memutils.h", line 41.44: 1506-946 (W) Incorrect 
argument type specified for attribute "format"; this attribute is ignored.
"../../src/include/common/fe_memutils.h", line 42.80: 1506-946 (W)
Incorrect argument type specified for attribute "format"; this attribute
is ignored.

and then fails with:
xlc_r -qmaxmem=33554432 -D_LARGE_FILES=1 -DRANDOMIZE_ALLOCATED_MEMORY 
-qnoansialias -g -O2 -qmaxmem=16384 -qsrcmsg -D_REENTRANT -D_THREAD_SAFE 
-D_POSIX_PTHREAD_SEMANTICS  -o libpq.so.5 libpq.a -Wl,-bE:libpq.exp 
-L../../../src/port -L../../../src/common   -L/home/nm/sw/nopath/libxml2-32/lib 
 -L/home/nm/sw/nopath/uuid-32/lib -L/home/nm/sw/nopath/openldap-32/lib 
-L/home/nm/sw/nopath/icu58.2-32/lib -L/home/nm/sw/nopath/libxml2-32/lib 
-Wl,-blibpath:'/home/nm/farm/xlc32/HEAD/inst/lib:/home/nm/sw/nopath/libxml2-32/lib:/home/nm/sw/nopath/uuid-32/lib:/home/nm/sw/nopath/openldap-32/lib:/home/nm/sw/nopath/icu58.2-32/lib:/home/nm/sw/nopath/libxml2-32/lib:/usr/lib:/lib'
  -Wl,-bnoentry -Wl,-H512 -Wl,-bM:SRE -lintl -lssl -lcrypto -lldap_r -llber 
-lpthreads
ld: 0711-317 ERROR: Undefined symbol: ._isnan
ld: 0711-345 Use the -bloadmap or -bnoquiet option to obtain more information.
../../../src/Makefile.shlib:339: recipe for target 'libpq.so.5' failed

but I think the latter is more likely to be caused by
2e2a392de3 Wed Sep 26 08:25:24 2018 UTC  Fix problems in handling the line data 
type 
rather than this thread.

Greetings,

Andres Freund

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