Fix for aliasing problem reported by Michael Matz.

[pf3gnuchains/gcc-fork.git] / gcc / configure.in

diff --git a/gcc/configure.in b/gcc/configure.in
index 1e65651..ffa7e5d 100644 (file)
--- a/gcc/configure.in
+++ b/gcc/configure.in
@@ -284,29 +284,12 @@ fi
 # See if GNAT has been installed
 gcc_AC_PROG_GNAT
 
-if test x$have_gnat != xno ; then 
-AC_CACHE_CHECK(whether ${ADAC} accepts -Wno-long-long,
-ac_cv_prog_adac_no_long_long,
-[cat >conftest.adb <<EOF
-procedure conftest is begin null; end conftest;
-EOF
-if $ADAC -Wno-long-long -c conftest.adb 1>&5 2>&5 ; then
-  ac_cv_prog_adac_no_long_long=yes
-else
-  ac_cv_prog_adac_no_long_long=no
-fi
-rm -f conftest*])
-else
-  ac_cv_prog_adac_no_long_long=yes
-fi
-
 # ---------------------
 # Warnings and checking
 # ---------------------
 
 strict1_warn=
-if test $ac_cv_prog_cc_no_long_long = yes && \
-    test $ac_cv_prog_adac_no_long_long = yes ; then
+if test $ac_cv_prog_cc_no_long_long = yes ; then
   strict1_warn="-pedantic -Wno-long-long"
 fi
 AC_SUBST(strict1_warn)
@@ -602,6 +585,12 @@ AC_PROG_MAKE_SET
 
 # Find some useful tools
 AC_PROG_AWK
+# We need awk to run opts.sh (to create options.c and options.h).
+# Bail out if it's missing.
+case ${AWK} in
+  "") AC_MSG_ERROR([can't build without awk, bailing out]) ;;
+esac
+
 gcc_AC_PROG_LN
 gcc_AC_PROG_LN_S
 AC_PROG_RANLIB
@@ -2403,7 +2392,7 @@ esac
 case "$target" in
   i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \
   | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-* \
-  | xstormy16*-*-* | cris-*-*)
+  | xstormy16*-*-* | cris-*-* | xtensa-*-*)
     insn="nop"
     ;;
   ia64*-*-*)
@@ -2860,7 +2849,7 @@ touch Make-hooks
 target_list="all.build all.cross start.encap rest.encap tags \
        install-normal install-common install-man \
        uninstall \
-       mostlyclean clean distclean extraclean maintainer-clean \
+       mostlyclean clean distclean maintainer-clean \
        stage1 stage2 stage3 stage4 stageprofile stagefeedback"
 for t in $target_list
 do