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authorjan.nijtmans <nijtmans@users.sourceforge.net>2023-07-24 10:19:52 (GMT)
committerjan.nijtmans <nijtmans@users.sourceforge.net>2023-07-24 10:19:52 (GMT)
commit03b881a299157cbb9681157c7842b5d33a6a2e40 (patch)
tree54c5ee7ab6f7a691708f579d34dd5f1465ceb822 /unix/tcl.m4
parent575f580d51fd5cecec6f1910056e647281fc0851 (diff)
parent5452282a914145b2db5deb8cacc4f7c00413aab8 (diff)
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Fix [c54e4a1aeb]: High Tcl latencies with fork() in larger systems
Diffstat (limited to 'unix/tcl.m4')
-rw-r--r--unix/tcl.m46
1 files changed, 4 insertions, 2 deletions
diff --git a/unix/tcl.m4 b/unix/tcl.m4
index 0ef9f3d..add827f 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -2068,6 +2068,8 @@ dnl # preprocessing tests use only CPPFLAGS.
CFLAGS_NOLTO=""
fi
+ AC_CHECK_FUNCS([posix_spawnp])
+
# FIXME: This subst was left in only because the TCL_DL_LIBS
# entry in tclConfig.sh uses it. It is not clear why someone
# would use TCL_DL_LIBS instead of TCL_LIBS.
@@ -2478,12 +2480,12 @@ AC_DEFUN([SC_TCL_LINK_LIBS], [
AC_DEFUN([SC_TCL_EARLY_FLAG],[
AC_CACHE_VAL([tcl_cv_flag_]translit($1,[A-Z],[a-z]),
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[$2]], [[$3]])],
- [tcl_cv_flag_]translit($1,[A-Z],[a-z])=no,[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[[#define ]$1[ 1
+ [tcl_cv_flag_]translit($1,[A-Z],[a-z])=no,[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[[#define ]$1[ ]m4_default([$4],[1])[
]$2]], [[$3]])],
[tcl_cv_flag_]translit($1,[A-Z],[a-z])=yes,
[tcl_cv_flag_]translit($1,[A-Z],[a-z])=no)]))
if test ["x${tcl_cv_flag_]translit($1,[A-Z],[a-z])[}" = "xyes"] ; then
- AC_DEFINE($1, 1, [Add the ]$1[ flag when building])
+ AC_DEFINE($1, m4_default([$4],[1]), [Add the ]$1[ flag when building])
tcl_flags="$tcl_flags $1"
fi
])