* configure.ac: Remove default executable files before AC_PROG_CC.

	* configure: Regenerate.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@77542 138bc75d-0d04-0410-961f-82ee72b054a4

3 files changed, 24 insertions, 1 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8872a66d6b1..b972181403e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2004-02-09  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+	* configure.ac: Remove default executable files before AC_PROG_CC.
+	* configure: Regenerate.
+
 2004-02-09  Kazu Hirata  <kazu@cs.umass.edu>
 
 	PR target/13721
diff --git a/gcc/configure b/gcc/configure
index 74cdd7cb252..9812c90cb9b 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -1739,6 +1739,15 @@ fi
 # Find C compiler
 # ---------------
 
+# If a non-executable a.out is present (e.g. created by GNU as above even if
+# invoked with -v only), the IRIX 6 native ld just overwrites the existing
+# file, even when creating an executable, so an execution test fails.
+# Remove possible default executable files to avoid this.
+#
+# FIXME: This really belongs into AC_PROG_CC and can be removed once
+# Autoconf includes it.
+rm -f a.out a.exe b.out
+
 # Find the native compiler
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -4997,7 +5006,7 @@ if test "${gcc_cv_prog_makeinfo_modern+set}" = set; then
 else
     ac_prog_version=`$MAKEINFO --version 2>&1 |
                    sed -n 's/^.*GNU texinfo.* \([0-9][0-9.]*\).*$/\1/p'`
-  echo "configure:5000: version of makeinfo is $ac_prog_version" >&5
+  echo "configure:5009: version of makeinfo is $ac_prog_version" >&5
   case $ac_prog_version in
     '')     gcc_cv_prog_makeinfo_modern=no;;
     4.[2-9]*)
diff --git a/gcc/configure.ac b/gcc/configure.ac
index 304bfe9c71e..b0ee990ee6b 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -249,6 +249,15 @@ fi
 # Find C compiler
 # ---------------
 
+# If a non-executable a.out is present (e.g. created by GNU as above even if
+# invoked with -v only), the IRIX 6 native ld just overwrites the existing
+# file, even when creating an executable, so an execution test fails.
+# Remove possible default executable files to avoid this.
+#
+# FIXME: This really belongs into AC_PROG_CC and can be removed once
+# Autoconf includes it.
+rm -f a.out a.exe b.out
+
 # Find the native compiler
 AC_PROG_CC
 AC_PROG_CC_C_O