* configure.in: Add AC_ARG_ENABLE for Haifa as documentation.

From-SVN: r16593

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8e3e9d6ecfc2e002357c4f939650cf428ec4f14f..3c77de591f754f39fd5455c01dfbabf5ad1d9682 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+Thu Nov 20 00:38:46 1997  Dave Love  <d.love@dl.ac.uk>
+
+       * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
+
 Wed Nov 19 12:03:04 1997  Philippe De Muyter  <phdm@macqel.be>
 
        * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.

diff --git a/gcc/configure b/gcc/configure
index 0f7da208102a2bdb3cb34ecd4d2fdb272255493b..26441870f2f2bfbc44d53afa5f5ca59da3ed1b8c 100755 (executable)
--- a/gcc/configure
+++ b/gcc/configure
@@ -1,7 +1,7 @@
 #! /bin/sh
 
 # Guess values for system-dependent variables and create Makefiles.
-# Generated automatically using autoconf version 2.12.1 
+# Generated automatically using autoconf version 2.12 
 # Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
 #
 # This configure script is free software; the Free Software Foundation
@@ -26,6 +26,10 @@ ac_help="$ac_help
                           specifies directory to put g++ header files."
 ac_help="$ac_help
   --enable-c-cpplib       Use cpplib for C."
+ac_help="$ac_help
+  --enable-haifa          Use the experimental scheduler.
+  --disable-haifa         Don't use the experimental scheduler for the
+                          targets which normally enable it."
 ac_help="$ac_help
   --enable-threads        enable thread usage for target GCC.
   --enable-threads=LIB    use LIB thread package for target GCC."
@@ -350,7 +354,7 @@ EOF
     verbose=yes ;;
 
   -version | --version | --versio | --versi | --vers)
-    echo "configure generated by autoconf version 2.12.1"
+    echo "configure generated by autoconf version 2.12"
     exit 0 ;;
 
   -with-* | --with-*)
@@ -625,6 +629,14 @@ if test "${enable_c_cpplib+set}" = set; then
 fi
 fi
 
+  
+# Enable Haifa scheduler.
+# Check whether --enable-haifa or --disable-haifa was given.
+if test "${enable_haifa+set}" = set; then
+  enableval="$enable_haifa"
+  :
+fi
+
 
 # Enable threads
 # Pass with no value to take the default
@@ -703,33 +715,33 @@ esac
 
 
 # Make sure we can run config.sub.
-if ${CONFIG_SHELL-/bin/sh} $ac_config_sub sun4 >/dev/null 2>&1; then :
+if $ac_config_sub sun4 >/dev/null 2>&1; then :
 else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:712: checking host system type" >&5
+echo "configure:724: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
 NONE)
   case $nonopt in
   NONE)
-    if host_alias=`${CONFIG_SHELL-/bin/sh} $ac_config_guess`; then :
+    if host_alias=`$ac_config_guess`; then :
     else { echo "configure: error: can not guess host type; you must specify one" 1>&2; exit 1; }
     fi ;;
   *) host_alias=$nonopt ;;
   esac ;;
 esac
 
-host=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $host_alias`
+host=`$ac_config_sub $host_alias`
 host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$host" 1>&6
 
 echo $ac_n "checking target system type""... $ac_c" 1>&6
-echo "configure:733: checking target system type" >&5
+echo "configure:745: checking target system type" >&5
 
 target_alias=$target
 case "$target_alias" in
@@ -740,14 +752,14 @@ NONE)
   esac ;;
 esac
 
-target=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $target_alias`
+target=`$ac_config_sub $target_alias`
 target_cpu=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 target_vendor=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$target" 1>&6
 
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:751: checking build system type" >&5
+echo "configure:763: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -758,7 +770,7 @@ NONE)
   esac ;;
 esac
 
-build=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $build_alias`
+build=`$ac_config_sub $build_alias`
 build_cpu=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 build_vendor=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 build_os=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
@@ -774,7 +786,7 @@ test "$host_alias" != "$target_alias" &&
 # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:778: checking for $ac_word" >&5
+echo "configure:790: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -803,7 +815,7 @@ if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:807: checking for $ac_word" >&5
+echo "configure:819: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -851,7 +863,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:855: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:867: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -861,11 +873,11 @@ ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS
 cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext <<EOF
-#line 865 "configure"
+#line 877 "configure"
 #include "confdefs.h"
 main(){return(0);}
 EOF
-if { (eval echo configure:869: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:881: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
@@ -885,12 +897,12 @@ if test $ac_cv_prog_cc_works = no; then
   { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:889: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:901: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:894: checking whether we are using GNU C" >&5
+echo "configure:906: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -899,7 +911,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:903: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:915: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -914,7 +926,7 @@ if test $ac_cv_prog_gcc = yes; then
   ac_save_CFLAGS="$CFLAGS"
   CFLAGS=
   echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:918: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:930: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -942,7 +954,7 @@ else
 fi
 
 echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-echo "configure:946: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "configure:958: checking whether ${MAKE-make} sets \${MAKE}" >&5
 set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -975,7 +987,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:979: checking for $ac_word" >&5
+echo "configure:991: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AWK'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1006,7 +1018,7 @@ done
 # Extract the first word of "flex", so it can be a program name with args.
 set dummy flex; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1010: checking for $ac_word" >&5
+echo "configure:1022: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LEX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1039,7 +1051,7 @@ then
   *) ac_lib=l ;;
   esac
   echo $ac_n "checking for yywrap in -l$ac_lib""... $ac_c" 1>&6
-echo "configure:1043: checking for yywrap in -l$ac_lib" >&5
+echo "configure:1055: checking for yywrap in -l$ac_lib" >&5
 ac_lib_var=`echo $ac_lib'_'yywrap | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1047,7 +1059,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-l$ac_lib  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1051 "configure"
+#line 1063 "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
@@ -1058,7 +1070,7 @@ int main() {
 yywrap()
 ; return 0; }
 EOF
-if { (eval echo configure:1062: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1074: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1081,7 +1093,7 @@ fi
 fi
 
 echo $ac_n "checking whether ln works""... $ac_c" 1>&6
-echo "configure:1085: checking whether ln works" >&5
+echo "configure:1097: checking whether ln works" >&5
 if eval "test \"`echo '$''{'gcc_cv_prog_LN'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1113,7 +1125,7 @@ else
 fi
 
 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:1117: checking whether ln -s works" >&5
+echo "configure:1129: checking whether ln -s works" >&5
 if eval "test \"`echo '$''{'gcc_cv_prog_LN_S'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1147,7 +1159,7 @@ fi
 # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1151: checking for $ac_word" >&5
+echo "configure:1163: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1178,7 +1190,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1182: checking for $ac_word" >&5
+echo "configure:1194: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_YACC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1218,7 +1230,7 @@ test -n "$YACC" || YACC="yacc"
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:1222: checking for a BSD compatible install" >&5
+echo "configure:1234: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1272,7 +1284,7 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1276: checking for $ac_word" >&5
+echo "configure:1288: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1301,7 +1313,7 @@ if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1305: checking for $ac_word" >&5
+echo "configure:1317: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1349,7 +1361,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1353: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:1365: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -1359,11 +1371,11 @@ ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS
 cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext <<EOF
-#line 1363 "configure"
+#line 1375 "configure"
 #include "confdefs.h"
 main(){return(0);}
 EOF
-if { (eval echo configure:1367: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1379: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
@@ -1383,12 +1395,12 @@ if test $ac_cv_prog_cc_works = no; then
   { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:1387: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1399: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:1392: checking whether we are using GNU C" >&5
+echo "configure:1404: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1397,7 +1409,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1401: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1413: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -1412,7 +1424,7 @@ if test $ac_cv_prog_gcc = yes; then
   ac_save_CFLAGS="$CFLAGS"
   CFLAGS=
   echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:1416: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:1428: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1440,7 +1452,7 @@ else
 fi
 
 echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-echo "configure:1444: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "configure:1456: checking whether ${MAKE-make} sets \${MAKE}" >&5
 set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1468,7 +1480,7 @@ fi
 
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1472: checking how to run the C preprocessor" >&5
+echo "configure:1484: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -1483,13 +1495,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 1487 "configure"
+#line 1499 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1493: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1505: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   :
@@ -1500,13 +1512,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 1504 "configure"
+#line 1516 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1510: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1522: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   :
@@ -1532,17 +1544,17 @@ for ac_hdr in limits.h stddef.h string.h strings.h stdlib.h time.h unistd.h vara
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:1536: checking for $ac_hdr" >&5
+echo "configure:1548: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1541 "configure"
+#line 1553 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1546: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1558: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1572,12 +1584,12 @@ done
 # Use <inttypes.h> only if it exists,
 # doesn't clash with <sys/types.h>, and declares intmax_t.
 echo $ac_n "checking for inttypes.h""... $ac_c" 1>&6
-echo "configure:1576: checking for inttypes.h" >&5
+echo "configure:1588: checking for inttypes.h" >&5
 if eval "test \"`echo '$''{'gcc_cv_header_inttypes_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1581 "configure"
+#line 1593 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <inttypes.h>
@@ -1585,7 +1597,7 @@ int main() {
 intmax_t i = -1;
 ; return 0; }
 EOF
-if { (eval echo configure:1589: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1601: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<EOF
 #define HAVE_INTTYPES_H 1
@@ -1604,12 +1616,12 @@ fi
 echo "$ac_t""$gcc_cv_header_inttypes_h" 1>&6
 
 echo $ac_n "checking whether malloc must be declared""... $ac_c" 1>&6
-echo "configure:1608: checking whether malloc must be declared" >&5
+echo "configure:1620: checking whether malloc must be declared" >&5
 if eval "test \"`echo '$''{'gcc_cv_decl_needed_malloc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1613 "configure"
+#line 1625 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -1630,7 +1642,7 @@ int main() {
 char *(*pfn) = (char *(*)) malloc
 ; return 0; }
 EOF
-if { (eval echo configure:1634: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1646: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_decl_needed_malloc=no
 else
@@ -1652,12 +1664,12 @@ EOF
 fi
 
 echo $ac_n "checking whether realloc must be declared""... $ac_c" 1>&6
-echo "configure:1656: checking whether realloc must be declared" >&5
+echo "configure:1668: checking whether realloc must be declared" >&5
 if eval "test \"`echo '$''{'gcc_cv_decl_needed_realloc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1661 "configure"
+#line 1673 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -1678,7 +1690,7 @@ int main() {
 char *(*pfn) = (char *(*)) realloc
 ; return 0; }
 EOF
-if { (eval echo configure:1682: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1694: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_decl_needed_realloc=no
 else
@@ -1700,12 +1712,12 @@ EOF
 fi
 
 echo $ac_n "checking whether calloc must be declared""... $ac_c" 1>&6
-echo "configure:1704: checking whether calloc must be declared" >&5
+echo "configure:1716: checking whether calloc must be declared" >&5
 if eval "test \"`echo '$''{'gcc_cv_decl_needed_calloc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1709 "configure"
+#line 1721 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -1726,7 +1738,7 @@ int main() {
 char *(*pfn) = (char *(*)) calloc
 ; return 0; }
 EOF
-if { (eval echo configure:1730: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1742: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_decl_needed_calloc=no
 else
@@ -1748,12 +1760,12 @@ EOF
 fi
 
 echo $ac_n "checking whether free must be declared""... $ac_c" 1>&6
-echo "configure:1752: checking whether free must be declared" >&5
+echo "configure:1764: checking whether free must be declared" >&5
 if eval "test \"`echo '$''{'gcc_cv_decl_needed_free'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1757 "configure"
+#line 1769 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -1774,7 +1786,7 @@ int main() {
 char *(*pfn) = (char *(*)) free
 ; return 0; }
 EOF
-if { (eval echo configure:1778: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1790: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_decl_needed_free=no
 else
@@ -1797,12 +1809,12 @@ fi
 
 
 echo $ac_n "checking for sys_siglist declaration in signal.h or unistd.h""... $ac_c" 1>&6
-echo "configure:1801: checking for sys_siglist declaration in signal.h or unistd.h" >&5
+echo "configure:1813: checking for sys_siglist declaration in signal.h or unistd.h" >&5
 if eval "test \"`echo '$''{'ac_cv_decl_sys_siglist'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1806 "configure"
+#line 1818 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -1814,7 +1826,7 @@ int main() {
 char *msg = *(sys_siglist + 1);
 ; return 0; }
 EOF
-if { (eval echo configure:1818: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1830: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_decl_sys_siglist=yes
 else
@@ -1838,12 +1850,12 @@ fi
 for ac_func in strerror strtoul bsearch
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:1842: checking for $ac_func" >&5
+echo "configure:1854: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1847 "configure"
+#line 1859 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -1866,7 +1878,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1870: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1882: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -2431,7 +2443,7 @@ for machine in $build $host $target; do
                xm_file=i386/xm-aix.h
                xmake_file=i386/x-aix
                ;;
-       i[456]86-ncr-sysv4*)            # NCR ix86 running system V.4
+       i45686-ncr-sysv4*)              # NCR 3000 - ix86 running system V.4
                xm_file=i386/xm-sysv4.h
                xmake_file=i386/x-ncr3000
                if [ x$stabs = xyes -a x$gas = xyes ]
@@ -5001,7 +5013,7 @@ do
     echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion"
     exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;;
   -version | --version | --versio | --versi | --vers | --ver | --ve | --v)
-    echo "$CONFIG_STATUS generated by autoconf version 2.12.1"
+    echo "$CONFIG_STATUS generated by autoconf version 2.12"
     exit 0 ;;
   -help | --help | --hel | --he | --h)
     echo "\$ac_cs_usage"; exit 0 ;;

diff --git a/gcc/configure.in b/gcc/configure.in
index 21bf0aed7fc7d1e926ef6c76ee1791349da33c6f..88e5759da93e2b48ced58972c65482dbe79e8c59 100644 (file)
--- a/gcc/configure.in
+++ b/gcc/configure.in
@@ -85,6 +85,12 @@ if [[[ x$enable_c_cpplib != xno ]]]; then
   extra_c_objs="${extra_c_objs} cpplib.o cppexp.o cpphash.o cpperror.o"
   extra_c_flags=-DUSE_CPPLIB=1
 fi)
+  
+# Enable Haifa scheduler.
+AC_ARG_ENABLE(haifa,
+[  --enable-haifa          Use the experimental scheduler.
+  --disable-haifa         Don't use the experimental scheduler for the
+                          targets which normally enable it.])
 
 # Enable threads
 # Pass with no value to take the default

diff --git a/gcc/install.texi b/gcc/install.texi
index 22166230b9382c32331099bc67de7565fba0538d..181aacb81a3ab9f18e4923bb138da181ba030349 100644 (file)
--- a/gcc/install.texi
+++ b/gcc/install.texi
@@ -176,6 +176,16 @@ point unit.  These systems include @samp{m68k-sun-sunos@var{n}} and
 effect, though perhaps there are other systems where it could usefully
 make a difference.
 
+@cindex Haifa scheduler
+@cindex scheduler, experimental
+@item --enable-haifa
+@item --disable-haifa
+Use @samp{--enable-haifa} to enable use of an experimental instruction
+scheduler (from IBM Haifa).  This may or may not produce better code.
+Some targets on which it is known to be a win enable it by default; use
+@samp{--disable-haifa} to disable it in these cases.  @code{configure}
+will print out whether the Haifa scheduler is enabled when it is run.
+
 @cindex Objective C threads
 @cindex threads, Objective C
 @item --enable-objcthreads=@var{type}