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-rw-r--r--configure.ac34
1 files changed, 33 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index 22a48c8d..93246fc8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
# configure.ac
-AC_INIT([tmux], 3.2-rc2)
+AC_INIT([tmux], next-3.3)
AC_PREREQ([2.60])
AC_CONFIG_AUX_DIR(etc)
@@ -113,6 +113,7 @@ AC_REPLACE_FUNCS([ \
fgetln \
freezero \
getdtablecount \
+ getdtablesize \
getline \
getprogname \
memmem \
@@ -328,6 +329,31 @@ AC_SEARCH_LIBS(inet_ntoa, nsl)
AC_SEARCH_LIBS(socket, socket)
AC_CHECK_LIB(xnet, socket)
+# Check if using glibc and have malloc_trim(3). The glibc free(3) is pretty bad
+# about returning memory to the kernel unless the application tells it when to
+# with malloc_trim(3).
+AC_MSG_CHECKING(if free doesn't work very well)
+AC_LINK_IFELSE([AC_LANG_SOURCE(
+ [
+ #include <stdlib.h>
+ #ifdef __GLIBC__
+ #include <malloc.h>
+ int main(void) {
+ malloc_trim (0);
+ exit(0);
+ }
+ #else
+ no
+ #endif
+ ])],
+ found_malloc_trim=yes,
+ found_malloc_trim=no
+)
+AC_MSG_RESULT($found_malloc_trim)
+if test "x$found_malloc_trim" = xyes; then
+ AC_DEFINE(HAVE_MALLOC_TRIM)
+fi
+
# Check for CMSG_DATA. On some platforms like HP-UX this requires UNIX 95
# (_XOPEN_SOURCE and _XOPEN_SOURCE_EXTENDED) (see xopen_networking(7)). On
# others, UNIX 03 (_XOPEN_SOURCE 600, see standards(7) on Solaris).
@@ -570,6 +596,12 @@ case "$host_os" in
AC_MSG_RESULT(darwin)
PLATFORM=darwin
#
+ # OS X uses __dead2 instead of __dead, like FreeBSD. But it
+ # defines __dead away so it needs to be removed before we can
+ # replace it.
+ #
+ AC_DEFINE(BROKEN___DEAD)
+ #
# OS X CMSG_FIRSTHDR is broken, so redefine it with a working
# one. daemon works but has some stupid side effects, so use
# our internal version which has a workaround.