* configure.in (AC_EXEEXT): Work around in case it expands to

nothing, as in autoconf 2.50.
* configure: Rebuilt.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@43103 138bc75d-0d04-0410-961f-82ee72b054a4

4 files changed, 28 insertions, 10 deletions

diff --git a/boehm-gc/ChangeLog b/boehm-gc/ChangeLog
index 7cb64e7a3f4..a0b94459ec5 100644
--- a/boehm-gc/ChangeLog
+++ b/boehm-gc/ChangeLog
@@ -1,3 +1,9 @@
+2001-06-09  Alexandre Oliva  <aoliva@redhat.com>, Stephen L Moshier  <moshier@mediaone.net>
+
+	* configure.in (AC_EXEEXT): Work around in case it expands to
+	nothing, as in autoconf 2.50.
+	* configure: Rebuilt.
+
 2001-06-07  Tom Tromey  <tromey@redhat.com>
 
 	For PR bootstrap/3075:
diff --git a/boehm-gc/acinclude.m4 b/boehm-gc/acinclude.m4
index 8e5f532533f..67a2fb4031b 100644
--- a/boehm-gc/acinclude.m4
+++ b/boehm-gc/acinclude.m4
@@ -137,6 +137,10 @@ AM_MAINTAINER_MODE
 # automake happy, but we don't execute it, since we don't care about
 # the result.
 if false; then
+  # autoconf 2.50 runs AC_EXEEXT by default, and the macro expands
+  # to nothing, so nothing would remain between `then' and `fi' if it
+  # were not for the `:' below.
+  :
   AC_EXEEXT
 fi
 
diff --git a/boehm-gc/configure b/boehm-gc/configure
index b081529007c..74eb7939930 100755
--- a/boehm-gc/configure
+++ b/boehm-gc/configure
@@ -2550,11 +2550,15 @@ fi
 # automake wants to see AC_EXEEXT.  But we don't need it.  And having
 # it is actually a problem, because the compiler we're passed can't
 # necessarily do a full link.  So we fool automake here.
-if test "x" = "y"; then
-   
+if false; then
+  # autoconf 2.50 runs AC_EXEEXT by default, and the macro expands
+  # to nothing, so nothing would remain between `then' and `fi' if it
+  # were not for the `:' below.
+  :
+  
 
 echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
-echo "configure:2558: checking for executable suffix" >&5
+echo "configure:2562: checking for executable suffix" >&5
 if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2564,7 +2568,7 @@ else
   rm -f conftest*
   echo 'int main () { return 0; }' > conftest.$ac_ext
   ac_cv_exeext=
-  if { (eval echo configure:2568: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
+  if { (eval echo configure:2572: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
     for file in conftest.*; do
       case $file in
       *.c | *.o | *.obj | *.ilk | *.pdb) ;;
@@ -2587,7 +2591,7 @@ ac_exeext=$EXEEXT
 fi
 
 echo $ac_n "checking for thread model used by GCC""... $ac_c" 1>&6
-echo "configure:2591: checking for thread model used by GCC" >&5
+echo "configure:2595: checking for thread model used by GCC" >&5
 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
 echo "$ac_t""$THREADS" 1>&6
 
@@ -2648,7 +2652,7 @@ esac
 
 
 echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
-echo "configure:2652: checking for dlopen in -ldl" >&5
+echo "configure:2656: checking for dlopen in -ldl" >&5
 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2656,7 +2660,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2660 "configure"
+#line 2664 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2667,7 +2671,7 @@ int main() {
 dlopen()
 ; return 0; }
 EOF
-if { (eval echo configure:2671: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2675: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
diff --git a/boehm-gc/configure.in b/boehm-gc/configure.in
index 4c6685b6ed1..c9a14d37d0f 100644
--- a/boehm-gc/configure.in
+++ b/boehm-gc/configure.in
@@ -17,8 +17,12 @@ AM_MAINTAINER_MODE
 # automake wants to see AC_EXEEXT.  But we don't need it.  And having
 # it is actually a problem, because the compiler we're passed can't
 # necessarily do a full link.  So we fool automake here.
-if test "x" = "y"; then
-   AC_EXEEXT
+if false; then
+  # autoconf 2.50 runs AC_EXEEXT by default, and the macro expands
+  # to nothing, so nothing would remain between `then' and `fi' if it
+  # were not for the `:' below.
+  :
+  AC_EXEEXT
 fi
 
 AC_MSG_CHECKING([for thread model used by GCC])