configure.in: Add --enable-cpplib option which uses cpplib for cpp...

        * configure.in: Add --enable-cpplib option which uses cpplib
        for cpp, but doesn't link cpplib into cc1.  Make help text
        capitalization consistent.
        * configure: Rebuilt.

From-SVN: r22670

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b7d489fbc0573b06a02e6e9c7ba09d171b021d84..48e72c0cd3ea948db8f8a25253e099539ddbaf37 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+Wed Sep 30 12:57:30 1998Zack Weinberg  <zack@rabi.phys.columbia.edu>  
+
+       * configure.in: Add --enable-cpplib option which uses cpplib
+       for cpp, but doesn't link cpplib into cc1.  Make help text
+       capitalization consistent.
+       * configure: Rebuilt.
+
 Wed Sep 30 10:09:39 1998  Mark Mitchell  <mark@markmitchell.com>
 
        * function.c (gen_mem_addressof): If the address REG is

diff --git a/gcc/configure b/gcc/configure
index 3f952e0d56cf359ce1853954e944595776739e75..37b796c6f88ac82710bba2021ac4e6f72c11fe37 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 
+# Generated automatically using autoconf version 2.12.1 
 # Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
 #
 # This configure script is free software; the Free Software Foundation
@@ -31,19 +31,22 @@ ac_help="$ac_help
 ac_help="$ac_help
   --enable-checking       enable expensive run-time checks."
 ac_help="$ac_help
-  --enable-c-cpplib       Use cpplib for C and C++."
+  --enable-cpplib         use cpplib for the C preprocessor."
 ac_help="$ac_help
-  --enable-c-mbchar       Enable multibyte characters for C and C++."
+  --enable-c-cpplib       link cpplib directly into C and C++ compilers
+                          (implies --enable-cpplib)."
 ac_help="$ac_help
-  --enable-haifa          Use the experimental scheduler.
-  --disable-haifa         Don't use the experimental scheduler for the
+  --enable-c-mbchar       enable multibyte characters for C and C++."
+ac_help="$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="$ac_help
-  --with-fast-fixincludes    Use a faster fixinclude program.  Experimental"
+  --with-fast-fixincludes    use a faster fixinclude program (experimental)"
 ac_help="$ac_help
-  --enable-init-priority  Use attributes to assign initialization order
+  --enable-init-priority  use attributes to assign initialization order
                          for static objects.
-  --disable-init-priority Conform to ISO C++ rules for ordering static objects
+  --disable-init-priority conform to ISO C++ rules for ordering static objects
                          (i.e. initialized in order of declaration). "
 ac_help="$ac_help
   --enable-threads        enable thread usage for target GCC.
@@ -89,6 +92,7 @@ mandir='${prefix}/man'
 # Initialize some other variables.
 subdirs=
 MFLAGS= MAKEFLAGS=
+SHELL=${CONFIG_SHELL-/bin/sh}
 # Maximum number of lines to put in a shell here document.
 ac_max_here_lines=12
 
@@ -372,7 +376,7 @@ EOF
     verbose=yes ;;
 
   -version | --version | --versio | --versi | --vers)
-    echo "configure generated by autoconf version 2.12"
+    echo "configure generated by autoconf version 2.12.1"
     exit 0 ;;
 
   -with-* | --with-*)
@@ -574,7 +578,7 @@ copy=cp
 # - two terminals occur directly after each other
 # - the path contains an element with a dot in it
 echo $ac_n "checking LIBRARY_PATH variable""... $ac_c" 1>&6
-echo "configure:578: checking LIBRARY_PATH variable" >&5
+echo "configure:582: checking LIBRARY_PATH variable" >&5
 case ${LIBRARY_PATH} in
   [:\;]* | *[:\;] | *[:\;][:\;]* |  *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
     library_path_setting="contains current directory"
@@ -599,7 +603,7 @@ fi
 # - two terminals occur directly after each other
 # - the path contains an element with a dot in it
 echo $ac_n "checking GCC_EXEC_PREFIX variable""... $ac_c" 1>&6
-echo "configure:603: checking GCC_EXEC_PREFIX variable" >&5
+echo "configure:607: checking GCC_EXEC_PREFIX variable" >&5
 case ${GCC_EXEC_PREFIX} in
   [:\;]* | *[:\;] | *[:\;][:\;]* |  *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
     gcc_exec_prefix_setting="contains current directory"
@@ -750,8 +754,18 @@ esac
 fi
 
 
-# Enable use of cpplib for C.
+# Use cpplib+cppmain for the preprocessor, but don't link it with the compiler.
 cpp_main=cccp
+# Check whether --enable-cpplib or --disable-cpplib was given.
+if test "${enable_cpplib+set}" = set; then
+  enableval="$enable_cpplib"
+  if test x$enable_cpplib != xno; then
+  cpp_main=cppmain
+fi
+fi
+
+
+# Link cpplib into the compiler proper, for C/C++/ObjC.
 # Check whether --enable-c-cpplib or --disable-c-cpplib was given.
 if test "${enable_c_cpplib+set}" = set; then
   enableval="$enable_c_cpplib"
@@ -764,7 +778,7 @@ if test "${enable_c_cpplib+set}" = set; then
 fi
 fi
 
-  
+
 # Enable Multibyte Characters for C/C++
 # Check whether --enable-c-mbchar or --disable-c-mbchar was given.
 if test "${enable_c_mbchar+set}" = set; then
@@ -895,33 +909,33 @@ esac
 
 
 # Make sure we can run config.sub.
-if $ac_config_sub sun4 >/dev/null 2>&1; then :
+if ${CONFIG_SHELL-/bin/sh} $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:904: checking host system type" >&5
+echo "configure:918: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
 NONE)
   case $nonopt in
   NONE)
-    if host_alias=`$ac_config_guess`; then :
+    if host_alias=`${CONFIG_SHELL-/bin/sh} $ac_config_guess`; then :
     else { echo "configure: error: can not guess host type; you must specify one" 1>&2; exit 1; }
     fi ;;
   *) host_alias=$nonopt ;;
   esac ;;
 esac
 
-host=`$ac_config_sub $host_alias`
+host=`${CONFIG_SHELL-/bin/sh} $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:925: checking target system type" >&5
+echo "configure:939: checking target system type" >&5
 
 target_alias=$target
 case "$target_alias" in
@@ -932,14 +946,14 @@ NONE)
   esac ;;
 esac
 
-target=`$ac_config_sub $target_alias`
+target=`${CONFIG_SHELL-/bin/sh} $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:943: checking build system type" >&5
+echo "configure:957: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -950,7 +964,7 @@ NONE)
   esac ;;
 esac
 
-build=`$ac_config_sub $build_alias`
+build=`${CONFIG_SHELL-/bin/sh} $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/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
@@ -966,7 +980,7 @@ test "$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:970: checking for $ac_word" >&5
+echo "configure:984: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -995,7 +1009,7 @@ if test -z "$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:999: checking for $ac_word" >&5
+echo "configure:1013: 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
@@ -1043,7 +1057,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1047: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:1061: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -1053,11 +1067,11 @@ ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS
 cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext <<EOF
-#line 1057 "configure"
+#line 1071 "configure"
 #include "confdefs.h"
 main(){return(0);}
 EOF
-if { (eval echo configure:1061: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1075: \"$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
@@ -1077,12 +1091,12 @@ 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""... $ac_c" 1>&6
-echo "configure:1081: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1095: checking whether the C compiler ($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""... $ac_c" 1>&6
-echo "configure:1086: checking whether we are using GNU C" >&5
+echo "configure:1100: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1091,7 +1105,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1095: \"$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:1109: \"$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
@@ -1106,7 +1120,7 @@ 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:1110: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:1124: 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
@@ -1145,7 +1159,7 @@ fi
 
 
 echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-echo "configure:1149: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "configure:1163: 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
@@ -1173,7 +1187,7 @@ fi
 
 
 echo $ac_n "checking whether a default assembler was specified""... $ac_c" 1>&6
-echo "configure:1177: checking whether a default assembler was specified" >&5
+echo "configure:1191: checking whether a default assembler was specified" >&5
 if test x"${AS+set}" = x"set"; then
     if test x"$with_gas" = x"no"; then
        echo "$ac_t""yes ($AS)" 1>&6
@@ -1185,7 +1199,7 @@ else
 fi
 
 echo $ac_n "checking whether a default linker was specified""... $ac_c" 1>&6
-echo "configure:1189: checking whether a default linker was specified" >&5
+echo "configure:1203: checking whether a default linker was specified" >&5
 if test x"${LD+set}" = x"set"; then
     if test x"$with_gnu_ld" = x"no"; then
        echo "$ac_t""yes ($LD)" 1>&6
@@ -1202,7 +1216,7 @@ do
 # Extract the first word of "$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:1206: checking for $ac_word" >&5
+echo "configure:1220: 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
@@ -1233,7 +1247,7 @@ 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:1237: checking for $ac_word" >&5
+echo "configure:1251: 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
@@ -1266,7 +1280,7 @@ then
   *) ac_lib=l ;;
   esac
   echo $ac_n "checking for yywrap in -l$ac_lib""... $ac_c" 1>&6
-echo "configure:1270: checking for yywrap in -l$ac_lib" >&5
+echo "configure:1284: 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) $ac_c" 1>&6
@@ -1274,7 +1288,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-l$ac_lib  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1278 "configure"
+#line 1292 "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
@@ -1285,7 +1299,7 @@ int main() {
 yywrap()
 ; return 0; }
 EOF
-if { (eval echo configure:1289: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1303: \"$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
@@ -1308,7 +1322,7 @@ fi
 fi
 
 echo $ac_n "checking whether ln works""... $ac_c" 1>&6
-echo "configure:1312: checking whether ln works" >&5
+echo "configure:1326: checking whether ln works" >&5
 if eval "test \"`echo '$''{'gcc_cv_prog_LN'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1340,7 +1354,7 @@ else
 fi
 
 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:1344: checking whether ln -s works" >&5
+echo "configure:1358: checking whether ln -s works" >&5
 if eval "test \"`echo '$''{'gcc_cv_prog_LN_S'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1372,19 +1386,19 @@ else
 fi
 
 echo $ac_n "checking for volatile""... $ac_c" 1>&6
-echo "configure:1376: checking for volatile" >&5
+echo "configure:1390: checking for volatile" >&5
 if eval "test \"`echo '$''{'gcc_cv_c_volatile'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1381 "configure"
+#line 1395 "configure"
 #include "confdefs.h"
 
 int main() {
 volatile int foo;
 ; return 0; }
 EOF
-if { (eval echo configure:1388: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1402: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_c_volatile=yes
 else
@@ -1407,7 +1421,7 @@ 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:1411: checking for $ac_word" >&5
+echo "configure:1425: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1438,7 +1452,7 @@ do
 # Extract the first word of "$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:1442: checking for $ac_word" >&5
+echo "configure:1456: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_YACC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1478,7 +1492,7 @@ test -n "$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""... $ac_c" 1>&6
-echo "configure:1482: checking for a BSD compatible install" >&5
+echo "configure:1496: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1529,7 +1543,7 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1533: checking how to run the C preprocessor" >&5
+echo "configure:1547: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -1544,13 +1558,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 1548 "configure"
+#line 1562 "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:1554: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1568: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   :
@@ -1561,13 +1575,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 1565 "configure"
+#line 1579 "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:1571: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1585: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   :
@@ -1590,12 +1604,12 @@ fi
 echo "$ac_t""$CPP" 1>&6
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:1594: checking for ANSI C header files" >&5
+echo "configure:1608: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1599 "configure"
+#line 1613 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -1603,7 +1617,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1607: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1621: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1620,7 +1634,7 @@ rm -f conftest*
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 1624 "configure"
+#line 1638 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -1638,7 +1652,7 @@ fi
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 1642 "configure"
+#line 1656 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -1659,7 +1673,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 1663 "configure"
+#line 1677 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -1670,7 +1684,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:1674: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1688: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -1694,12 +1708,12 @@ EOF
 fi
 
 echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:1698: checking whether time.h and sys/time.h may both be included" >&5
+echo "configure:1712: checking whether time.h and sys/time.h may both be included" >&5
 if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1703 "configure"
+#line 1717 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
@@ -1708,7 +1722,7 @@ int main() {
 struct tm *tp;
 ; return 0; }
 EOF
-if { (eval echo configure:1712: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1726: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time=yes
 else
@@ -1729,12 +1743,12 @@ EOF
 fi
 
 echo $ac_n "checking whether string.h and strings.h may both be included""... $ac_c" 1>&6
-echo "configure:1733: checking whether string.h and strings.h may both be included" >&5
+echo "configure:1747: checking whether string.h and strings.h may both be included" >&5
 if eval "test \"`echo '$''{'gcc_cv_header_string'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1738 "configure"
+#line 1752 "configure"
 #include "confdefs.h"
 #include <string.h>
 #include <strings.h>
@@ -1742,7 +1756,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:1746: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1760: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_header_string=yes
 else
@@ -1766,17 +1780,17 @@ for ac_hdr in limits.h stddef.h string.h strings.h stdlib.h time.h fcntl.h unist
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:1770: checking for $ac_hdr" >&5
+echo "configure:1784: 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 1775 "configure"
+#line 1789 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1780: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1794: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1806,17 +1820,17 @@ done
 # Check for thread headers.
 ac_safe=`echo "thread.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for thread.h""... $ac_c" 1>&6
-echo "configure:1810: checking for thread.h" >&5
+echo "configure:1824: checking for thread.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1815 "configure"
+#line 1829 "configure"
 #include "confdefs.h"
 #include <thread.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1820: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1834: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1840,17 +1854,17 @@ fi
 
 ac_safe=`echo "pthread.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for pthread.h""... $ac_c" 1>&6
-echo "configure:1844: checking for pthread.h" >&5
+echo "configure:1858: checking for pthread.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1849 "configure"
+#line 1863 "configure"
 #include "confdefs.h"
 #include <pthread.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1854: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1868: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1877,7 +1891,7 @@ fi
 # Extract the first word of "gnatbind", so it can be a program name with args.
 set dummy gnatbind; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1881: checking for $ac_word" >&5
+echo "configure:1895: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gnat'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1907,12 +1921,12 @@ fi
 # See if the system preprocessor understands the ANSI C preprocessor
 # stringification operator.
 echo $ac_n "checking whether cpp understands the stringify operator""... $ac_c" 1>&6
-echo "configure:1911: checking whether cpp understands the stringify operator" >&5
+echo "configure:1925: checking whether cpp understands the stringify operator" >&5
 if eval "test \"`echo '$''{'gcc_cv_c_have_stringify'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1916 "configure"
+#line 1930 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -1920,7 +1934,7 @@ int main() {
 char *test = S(foo);
 ; return 0; }
 EOF
-if { (eval echo configure:1924: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1938: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_c_have_stringify=yes
 else
@@ -1943,12 +1957,12 @@ fi
 # 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""... $ac_c" 1>&6
-echo "configure:1947: checking for inttypes.h" >&5
+echo "configure:1961: checking for inttypes.h" >&5
 if eval "test \"`echo '$''{'gcc_cv_header_inttypes_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1952 "configure"
+#line 1966 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <inttypes.h>
@@ -1956,7 +1970,7 @@ int main() {
 intmax_t i = -1;
 ; return 0; }
 EOF
-if { (eval echo configure:1960: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1974: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<EOF
 #define HAVE_INTTYPES_H 1
@@ -1979,12 +1993,12 @@ for ac_func in strtoul bsearch strerror putenv popen bcopy bzero bcmp \
        sysconf isascii gettimeofday strsignal
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:1983: checking for $ac_func" >&5
+echo "configure:1997: 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 1988 "configure"
+#line 2002 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2007,7 +2021,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2011: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2025: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -2036,12 +2050,12 @@ done
 #AC_CHECK_TYPE(wchar_t, unsigned int)
 
 echo $ac_n "checking for vprintf""... $ac_c" 1>&6
-echo "configure:2040: checking for vprintf" >&5
+echo "configure:2054: checking for vprintf" >&5
 if eval "test \"`echo '$''{'ac_cv_func_vprintf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2045 "configure"
+#line 2059 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char vprintf(); below.  */
@@ -2064,7 +2078,7 @@ vprintf();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2068: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2082: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_vprintf=yes"
 else
@@ -2088,12 +2102,12 @@ fi
 
 if test "$ac_cv_func_vprintf" != yes; then
 echo $ac_n "checking for _doprnt""... $ac_c" 1>&6
-echo "configure:2092: checking for _doprnt" >&5
+echo "configure:2106: checking for _doprnt" >&5
 if eval "test \"`echo '$''{'ac_cv_func__doprnt'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2097 "configure"
+#line 2111 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char _doprnt(); below.  */
@@ -2116,7 +2130,7 @@ _doprnt();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2120: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2134: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func__doprnt=yes"
 else
@@ -2152,7 +2166,7 @@ fi
 
 
 echo $ac_n "checking whether the printf functions support %p""... $ac_c" 1>&6
-echo "configure:2156: checking whether the printf functions support %p" >&5
+echo "configure:2170: checking whether the printf functions support %p" >&5
 if eval "test \"`echo '$''{'gcc_cv_func_printf_ptr'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2160,7 +2174,7 @@ else
   gcc_cv_func_printf_ptr=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 2164 "configure"
+#line 2178 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 
@@ -2173,7 +2187,7 @@ main()
   exit (p != q);
 }
 EOF
-if { (eval echo configure:2177: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2191: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   gcc_cv_func_printf_ptr=yes
 else
@@ -2202,12 +2216,12 @@ for ac_func in malloc realloc calloc free bcopy bzero bcmp \
        strsignal
 do
 echo $ac_n "checking whether $ac_func must be declared""... $ac_c" 1>&6
-echo "configure:2206: checking whether $ac_func must be declared" >&5
+echo "configure:2220: checking whether $ac_func must be declared" >&5
 if eval "test \"`echo '$''{'gcc_cv_decl_needed_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2211 "configure"
+#line 2225 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -2240,7 +2254,7 @@ int main() {
 char *(*pfn) = (char *(*)) $ac_func
 ; return 0; }
 EOF
-if { (eval echo configure:2244: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2258: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "gcc_cv_decl_needed_$ac_func=no"
 else
@@ -2269,12 +2283,12 @@ done
 for ac_func in getrlimit setrlimit
 do
 echo $ac_n "checking whether $ac_func must be declared""... $ac_c" 1>&6
-echo "configure:2273: checking whether $ac_func must be declared" >&5
+echo "configure:2287: checking whether $ac_func must be declared" >&5
 if eval "test \"`echo '$''{'gcc_cv_decl_needed_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2278 "configure"
+#line 2292 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -2311,7 +2325,7 @@ int main() {
 char *(*pfn) = (char *(*)) $ac_func
 ; return 0; }
 EOF
-if { (eval echo configure:2315: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2329: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "gcc_cv_decl_needed_$ac_func=no"
 else
@@ -2338,12 +2352,12 @@ done
 
 
 echo $ac_n "checking for sys_siglist declaration in signal.h or unistd.h""... $ac_c" 1>&6
-echo "configure:2342: checking for sys_siglist declaration in signal.h or unistd.h" >&5
+echo "configure:2356: checking for sys_siglist declaration in signal.h or unistd.h" >&5
 if eval "test \"`echo '$''{'ac_cv_decl_sys_siglist'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2347 "configure"
+#line 2361 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -2355,7 +2369,7 @@ int main() {
 char *msg = *(sys_siglist + 1);
 ; return 0; }
 EOF
-if { (eval echo configure:2359: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2373: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_decl_sys_siglist=yes
 else
@@ -5539,7 +5553,7 @@ fi
 
 # Figure out what assembler alignment features are present.
 echo $ac_n "checking assembler alignment features""... $ac_c" 1>&6
-echo "configure:5543: checking assembler alignment features" >&5
+echo "configure:5557: checking assembler alignment features" >&5
 gcc_cv_as=
 gcc_cv_as_alignment_features=
 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
@@ -5610,7 +5624,7 @@ fi
 echo "$ac_t""$gcc_cv_as_alignment_features" 1>&6
 
 echo $ac_n "checking assembler subsection support""... $ac_c" 1>&6
-echo "configure:5614: checking assembler subsection support" >&5
+echo "configure:5628: checking assembler subsection support" >&5
 gcc_cv_as_subsections=
 if test x$gcc_cv_as != x; then
        # Check if we have .subsection
@@ -5846,7 +5860,7 @@ fi
 
 # Warn if using init_priority.
 echo $ac_n "checking whether to enable init_priority by default""... $ac_c" 1>&6
-echo "configure:5850: checking whether to enable init_priority by default" >&5
+echo "configure:5864: checking whether to enable init_priority by default" >&5
 if test x$enable_init_priority != xyes; then
   enable_init_priority=no
 fi
@@ -5976,7 +5990,7 @@ EOF
 # Ultrix sh set writes to stderr and can't be redirected directly,
 # and sets the high bit in the cache file unless we assign to the vars.
 (set) 2>&1 |
-  case `(ac_space=' '; set) 2>&1` in
+  case `(ac_space=' '; set) 2>&1 | grep ac_space` in
   *ac_space=\ *)
     # `set' does not quote correctly, so add quotes (double-quote substitution
     # turns \\\\ into \\, and sed turns \\ into \).
@@ -6043,7 +6057,7 @@ 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"
+    echo "$CONFIG_STATUS generated by autoconf version 2.12.1"
     exit 0 ;;
   -help | --help | --hel | --he | --h)
     echo "\$ac_cs_usage"; exit 0 ;;
@@ -6062,6 +6076,7 @@ sed 's/%@/@@/; s/@%/@@/; s/%g\$/@g/; /@g\$/s/[\\\\&%]/\\\\&/g;
  s/@@/%@/; s/@@/@%/; s/@g\$/%g/' > conftest.subs <<\\CEOF
 $ac_vpsub
 $extrasub
+s%@SHELL@%$SHELL%g
 s%@CFLAGS@%$CFLAGS%g
 s%@CPPFLAGS@%$CPPFLAGS%g
 s%@CXXFLAGS@%$CXXFLAGS%g

diff --git a/gcc/configure.in b/gcc/configure.in
index 3010ed0a8551bdf32a0ad717464511cda8e3e0f3..b6e3bc0836dc7249eebd5aeda2a78883b0f0f760 100644 (file)
--- a/gcc/configure.in
+++ b/gcc/configure.in
@@ -177,10 +177,18 @@ no)       ;;
 *)     AC_MSG_ERROR(bad value ${enableval} given for checking option) ;;
 esac])
 
-# Enable use of cpplib for C.
+# Use cpplib+cppmain for the preprocessor, but don't link it with the compiler.
 cpp_main=cccp
+AC_ARG_ENABLE(cpplib,
+[  --enable-cpplib         use cpplib for the C preprocessor.],
+if test x$enable_cpplib != xno; then
+  cpp_main=cppmain
+fi)
+
+# Link cpplib into the compiler proper, for C/C++/ObjC.
 AC_ARG_ENABLE(c-cpplib,
-[  --enable-c-cpplib       Use cpplib for C and C++.],
+[  --enable-c-cpplib       link cpplib directly into C and C++ compilers
+                          (implies --enable-cpplib).],
 if test x$enable_c_cpplib != xno; then
   extra_c_objs="${extra_c_objs} cpplib.o cppexp.o cpphash.o cpperror.o"
   extra_c_objs="${extra_c_objs} prefix.o"
@@ -188,32 +196,32 @@ if test x$enable_c_cpplib != xno; then
   extra_c_flags=-DUSE_CPPLIB=1
   cpp_main=cppmain
 fi)
-  
+
 # Enable Multibyte Characters for C/C++
 AC_ARG_ENABLE(c-mbchar,
-[  --enable-c-mbchar       Enable multibyte characters for C and C++.],
+[  --enable-c-mbchar       enable multibyte characters for C and C++.],
 if test x$enable_c_mbchar != xno; then
   extra_c_flags=-DMULTIBYTE_CHARS=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
+[  --enable-haifa          use the experimental scheduler.
+  --disable-haifa         don't use the experimental scheduler for the
                           targets which normally enable it.])
 # Fast fixincludes
 #
 # This is a work in progress...
 AC_ARG_WITH(fast-fixincludes,
-[  --with-fast-fixincludes    Use a faster fixinclude program.  Experimental],
+[  --with-fast-fixincludes    use a faster fixinclude program (experimental)],
 fast_fixinc="$with_fast_fixincludes",
 fast_fixinc=no)
 
 # Enable init_priority.
 AC_ARG_ENABLE(init-priority,
-[  --enable-init-priority  Use attributes to assign initialization order
+[  --enable-init-priority  use attributes to assign initialization order
                          for static objects.
-  --disable-init-priority Conform to ISO C++ rules for ordering static objects
+  --disable-init-priority conform to ISO C++ rules for ordering static objects
                          (i.e. initialized in order of declaration). ],
 if test x$enable_init_priority != xno; then
   extra_c_flags=-DUSE_INIT_PRIORITY