On Fri, Mar 20, 2015 at 5:09 AM, Bruce Momjian <br...@momjian.us> wrote: > On Fri, Mar 20, 2015 at 04:51:55AM +0300, Max Filippov wrote: >> xtensa-linux-gcc -o conftest -Wall -Wmissing-prototypes >> -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels >> -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing >> -fwrapv -fexcess-precision=standard -D_LARGEFILE_SOURCE >> -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -mlongcalls >> -mtext-section-literals -Os -pthread -D_LARGEFILE_SOURCE >> -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE conftest.c >> -lssl -lcrypto -lz -lreadline -lrt -lcrypt -ldl -lm >> >> and if I drop irrelevant libraries from that command its stdout+stderr >> will probably be empty. >> >> But I was curious why this test is written *that* way. > > Threading compiles are different for every platform so the code just > tries everything --- we didn't anticipate that adding a useless library > would actually cause a failure.
Sorry, I must be not clear enough: why checking compiler/linker output instead of checking their exit code or presence of produced object/ executable files? -- Thanks. -- Max -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers