* Richard W. M. Jones: > On Tue, Aug 20, 2019 at 05:37:58PM +0200, Florian Weimer wrote: >> * Richard W. M. Jones: >> >> > As for why accept4 is being replaced at all, the only reference to it >> > in config.log is: >> > >> > configure:25630: checking whether accept4 is declared >> > configure:25630: gcc -c -O2 -g -pipe -Wall -Werror=format-security >> > -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions >> > -fstack-protector-strong -grecord-gcc-switches >> > -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 >> > -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic >> > -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection >> > conftest.c >&5 >> > configure:25630: $? = 0 >> > configure:25630: result: yes >> >> What does the test program look like? Does it include <config.h>? >> accept4 requires _GNU_SOURCE. > > I'm not sure how to find out. However m4/accept.m4 (supplied > by gnulib itself) does contain: > > dnl Persuade glibc <sys/socket.h> to declare accept4(). > AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) > > so I guess the test *ought* to be using _GNU_SOURCE.
And the configure test acctually succeeded, which I missed. So it has to be something else. You'll have to investigate the generated files to see what's going wrong there. Thanks, Florian
