From 7d5b6c7ec3c597a6d57f64d0db925142bccd38a3 Mon Sep 17 00:00:00 2001 Message-ID: <7d5b6c7ec3c597a6d57f64d0db925142bccd38a3.1758727915.git.sam@gentoo.org> In-Reply-To: <4b8d141ec165aa29a48316768089cb03aed3aada.1758727915.git.sam@gentoo.org> References: <4b8d141ec165aa29a48316768089cb03aed3aada.1758727915.git.sam@gentoo.org> From: Damien Miller Date: Mon, 3 Mar 2025 14:21:12 +1100 Subject: [PATCH 06/10] regenerate configure, config.h.in --- config.h.in | 3 +++ configure | 35 ++++++++++++++++++++++++++++++++++- 2 files changed, 37 insertions(+), 1 deletion(-) diff --git a/config.h.in b/config.h.in index c841417f4..57f63355b 100644 --- a/config.h.in +++ b/config.h.in @@ -1748,6 +1748,9 @@ /* Set this to your mail directory if you do not have _PATH_MAILDIR */ #undef MAIL_DIRECTORY +/* Define if your compiler lacks __builtin_popcount */ +#undef MISSING_BUILTIN_POPCOUNT + /* Need setpgrp to for controlling tty */ #undef NEED_SETPGRP diff --git a/configure b/configure index ec1de26c2..a18079da2 100755 --- a/configure +++ b/configure @@ -16785,6 +16785,40 @@ then : fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether compiler supports __builtin_popcount" >&5 +printf %s "checking whether compiler supports __builtin_popcount... " >&6; } +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #include + +int +main (void) +{ + int x = 123, y; + y = __builtin_popcount(123); + exit(y == 6 ? 0 : -1); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +printf "%s\n" "#define MISSING_BUILTIN_POPCOUNT 1" >>confdefs.h + + + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext + ac_fn_check_decl "$LINENO" "bzero" "ac_cv_have_decl_bzero" "$ac_includes_default" "$ac_c_undeclared_builtin_options" "CFLAGS" if test "x$ac_cv_have_decl_bzero" = xyes then : @@ -27769,4 +27803,3 @@ if test "$AUDIT_MODULE" = "bsm" ; then echo "WARNING: BSM audit support is currently considered EXPERIMENTAL." echo "See the Solaris section in README.platform for details." fi - -- 2.51.0