* Fix a bug in an m4 macro that used an incorrect test operator
* Add CAN_DLOPEN_SELF so we can determine if dlopen(0) will open the
program or not.
* Correct a warning messages to be a little more specific on what it checks
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19184 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index c8732b5..e8c00a4 100644
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -297,6 +297,11 @@
AC_LIB_LTDL
AC_PROG_LIBTOOL
+if test "$lt_cv_dlopen_self" = "yes" ; then
+ AC_DEFINE([CAN_DLOPEN_SELF],[1],
+ [Define if dlopen(0) will open the symbols of the program])
+fi
+
dnl Check if we know how to tell etags we are using C++:
etags_version=`$ETAGS --version 2>&1`
case "$etags_version" in
@@ -465,7 +470,7 @@
if test "$ac_cv_func_mmap_fixed_mapped" = "no"
then
- AC_MSG_WARN([mmap() required but not found])
+ AC_MSG_WARN([mmap() of a fixed address required but not supported])
fi
if test "$ac_cv_func_mmap_file" = "no"
then
diff --git a/configure b/configure
index 592e0d9..69e9556 100755
--- a/configure
+++ b/configure
@@ -5514,7 +5514,7 @@
if test x"${ac_cv_path_tclsh}" = x ; then
echo "$as_me:$LINENO: result: none" >&5
echo "${ECHO_T}none" >&6
- for ac_prog in tclsh8.4 tclsh8.4.8 tclsh8.4.7 tclsh8.4.6 tclsh8.4.5 tclsh8.4.4 tclsh8.4.3 tclsh8.4.2 tclsh8.4.1 tclsh8.4.0 tclsh8.3 tclsh8.3.5 tclsh8.3.4 tclsh8.3.3 .tclsh8.3.2 tclsh8.3.1 tclsh8.3.0 tclsh
+ for ac_prog in tclsh8.4 tclsh8.4.8 tclsh8.4.7 tclsh8.4.6 tclsh8.4.5 tclsh8.4.4 tclsh8.4.3 tclsh8.4.2 tclsh8.4.1 tclsh8.4.0 tclsh8.3 tclsh8.3.5 tclsh8.3.4 tclsh8.3.3 tclsh8.3.2 tclsh8.3.1 tclsh8.3.0 tclsh
do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
@@ -24589,6 +24589,14 @@
+if test "$lt_cv_dlopen_self" = "yes" ; then
+
+cat >>confdefs.h <<\_ACEOF
+#define CAN_DLOPEN_SELF 1
+_ACEOF
+
+fi
+
etags_version=`$ETAGS --version 2>&1`
case "$etags_version" in
*Eexuberant*) ETAGSFLAGS="--language-force=c++" ;;
@@ -29852,7 +29860,7 @@
if test "${ac_cv_need_dev_zero_for_mmap+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
- if test "$llvm_cv_os_type" == "Interix" ; then
+ if test "$llvm_cv_os_type" = "Interix" ; then
ac_cv_need_dev_zero_for_mmap=yes
else
ac_cv_need_dev_zero_for_mmap=no
@@ -29969,8 +29977,8 @@
if test "$ac_cv_func_mmap_fixed_mapped" = "no"
then
- { echo "$as_me:$LINENO: WARNING: mmap() required but not found" >&5
-echo "$as_me: WARNING: mmap() required but not found" >&2;}
+ { echo "$as_me:$LINENO: WARNING: mmap() of a fixed address required but not supported" >&5
+echo "$as_me: WARNING: mmap() of a fixed address required but not supported" >&2;}
fi
if test "$ac_cv_func_mmap_file" = "no"
then
diff --git a/include/llvm/Config/config.h.in b/include/llvm/Config/config.h.in
index 372901d..f3f8129 100644
--- a/include/llvm/Config/config.h.in
+++ b/include/llvm/Config/config.h.in
@@ -1,5 +1,8 @@
/* include/llvm/Config/config.h.in. Generated from autoconf/configure.ac by autoheader. */
+/* Define if dlopen(0) will open the symbols of the program */
+#undef CAN_DLOPEN_SELF
+
/* Define to one of `_getb67', `GETB67', `getb67' for Cray-2 and Cray-YMP
systems. This function is required for `alloca.c' support on those systems.
*/