Submitted By: Robert Connolly <robert at linuxfromscratch dot org> (ashes)
Date: 2006-10-14
Initial Package Version: 394
Upstream Status: Submitted
Origin: None
Description: This patch fixes a bug with the configure script so that 'sigset_t',
and 'sigprocmask', are detected and used.

diff -Naur less-394.orig/configure less-394/configure
--- less-394.orig/configure	2005-10-21 16:27:43.000000000 +0000
+++ less-394/configure	2006-10-14 19:07:54.000000000 +0000
@@ -4825,44 +4825,56 @@
 
 echo "$as_me:$LINENO: checking for sigset_t" >&5
 echo $ECHO_N "checking for sigset_t... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
+if test "${ac_cv_type_sigset_t+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"
 #include "confdefs.h"
-
 #include <signal.h>
 
 int
 main ()
 {
-sigset_t s; s = 0;
+if ((sigset_t *) 0)
+  return 0;
+if (sizeof (sigset_t))
+  return 0;
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
+         { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  echo "$as_me:$LINENO: result: yes" >&5
-echo "${ECHO_T}yes" >&6; cat >>confdefs.h <<\_ACEOF
-#define HAVE_SIGSET_T 1
-_ACEOF
-
+  ac_cv_type_sigset_t=yes
 else
   echo "$as_me: failed program was:" >&5
 cat conftest.$ac_ext >&5
-echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
+ac_cv_type_sigset_t=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_type_sigset_t" >&5
+echo "${ECHO_T}$ac_cv_type_sigset_t" >&6
+if test $ac_cv_type_sigset_t = yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_SIGSET_T 1
+_ACEOF
+
+
+fi
+
 
 echo "$as_me:$LINENO: checking for sigemptyset" >&5
 echo $ECHO_N "checking for sigemptyset... $ECHO_C" >&6
diff -Naur less-394.orig/configure.ac less-394/configure.ac
--- less-394.orig/configure.ac	2005-10-21 16:21:55.000000000 +0000
+++ less-394/configure.ac	2006-10-14 19:07:48.000000000 +0000
@@ -256,11 +256,7 @@
 AC_TRY_LINK(, [extern char *sys_errlist[]; static char **x; x = sys_errlist;], 
   [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SYS_ERRLIST)], [AC_MSG_RESULT(no)])
 
-AC_MSG_CHECKING(for sigset_t)
-AC_TRY_LINK([
-#include <signal.h>
-], [sigset_t s; s = 0;],
-  [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SIGSET_T)], [AC_MSG_RESULT(no)])
+AC_CHECK_TYPES([sigset_t],,,[#include <signal.h>])
 
 AC_MSG_CHECKING(for sigemptyset)
 AC_TRY_LINK([