From cd2f19fedbd4fed9f1e8fb8122bb9ee1e08541bf Mon Sep 17 00:00:00 2001
From: Dima Pasechnik <dima@pasechnik.info>
Date: Fri, 18 Sep 2020 13:18:56 +0100
Subject: [PATCH] exit() prototype is in stdlib.h, include it

this is needed to support Apple's clang 12, the
compiler in Xcode 12 on macOS 10.15 and upcoming macOS 11.

configure was regenerated by running autoreconf -ivf
with autoconf version 2.69
---
 src/aclocal.m4 | 12 +++++++++---
 src/configure  | 20 +++++++-------------
 2 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/src/aclocal.m4 b/src/aclocal.m4
index 2afea366..21eb7e0c 100644
--- a/src/aclocal.m4
+++ b/src/aclocal.m4
@@ -49,7 +49,9 @@ else
 fi
 if test $ac_cv_c_long_long = yes; then
   if test "x$ECL_LONG_LONG_BITS" = "x"; then
-    AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
+    AC_RUN_IFELSE([AC_LANG_SOURCE([
+[#include <stdio.h>
+ #include <stdlib.h>
 int main() {
   const char *int_type;
   int bits;
@@ -705,7 +707,9 @@ AC_SUBST(CL_INT_BITS)
 AC_SUBST(CL_LONG_BITS)
 AC_MSG_CHECKING(appropriate type for fixnums)
 if test -z "${CL_FIXNUM_TYPE}" ; then
-  AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
+  AC_RUN_IFELSE([AC_LANG_SOURCE([[
+#include <stdio.h>
+#include <stdlib.h>
 int main() {
   const char *int_type;
   int bits;
@@ -790,7 +794,9 @@ dnl
 AC_DEFUN(ECL_LINEFEED_MODE,[
 AC_MSG_CHECKING(character sequence for end of line)
 if test -z "${ECL_NEWLINE}" ; then
-AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
+AC_RUN_IFELSE([AC_LANG_SOURCE([[
+#include <stdio.h>
+#include <stdlib.h>
 int main() {
   FILE *f = fopen("conftestval","w");
   int c1, c2;
diff --git a/src/configure b/src/configure
index b90a61cd..ed5c52c4 100755
--- a/src/configure
+++ b/src/configure
@@ -741,7 +741,6 @@ infodir
 docdir
 oldincludedir
 includedir
-runstatedir
 localstatedir
 sharedstatedir
 sysconfdir
@@ -867,7 +866,6 @@ datadir='${datarootdir}'
 sysconfdir='${prefix}/etc'
 sharedstatedir='${prefix}/com'
 localstatedir='${prefix}/var'
-runstatedir='${localstatedir}/run'
 includedir='${prefix}/include'
 oldincludedir='/usr/include'
 docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
@@ -1120,15 +1118,6 @@ do
   | -silent | --silent | --silen | --sile | --sil)
     silent=yes ;;
 
-  -runstatedir | --runstatedir | --runstatedi | --runstated \
-  | --runstate | --runstat | --runsta | --runst | --runs \
-  | --run | --ru | --r)
-    ac_prev=runstatedir ;;
-  -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
-  | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \
-  | --run=* | --ru=* | --r=*)
-    runstatedir=$ac_optarg ;;
-
   -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
     ac_prev=sbindir ;;
   -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
@@ -1266,7 +1255,7 @@ fi
 for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
 		datadir sysconfdir sharedstatedir localstatedir includedir \
 		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
-		libdir localedir mandir runstatedir
+		libdir localedir mandir
 do
   eval ac_val=\$$ac_var
   # Remove trailing slashes.
@@ -1419,7 +1408,6 @@ Fine tuning of the installation directories:
   --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
   --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
   --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
-  --runstatedir=DIR       modifiable per-process data [LOCALSTATEDIR/run]
   --libdir=DIR            object code libraries [EPREFIX/lib]
   --includedir=DIR        C header files [PREFIX/include]
   --oldincludedir=DIR     C header files for non-gcc [/usr/include]
@@ -7610,7 +7598,9 @@ See \`config.log' for more details" "$LINENO" 5; }
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
+
 #include <stdio.h>
+ #include <stdlib.h>
 int main() {
   const char *int_type;
   int bits;
@@ -7898,7 +7888,9 @@ See \`config.log' for more details" "$LINENO" 5; }
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
+
 #include <stdio.h>
+#include <stdlib.h>
 int main() {
   const char *int_type;
   int bits;
@@ -8193,7 +8185,9 @@ See \`config.log' for more details" "$LINENO" 5; }
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
+
 #include <stdio.h>
+#include <stdlib.h>
 int main() {
   FILE *f = fopen("conftestval","w");
   int c1, c2;