x86/x86-64 now needs <cpuid.h> from gcc.

3 files changed, 67 insertions, 44 deletions

diff --git a/ChangeLog b/ChangeLog
index 6d2a62b48c..c011f59c5c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2009-08-02  Ulrich Drepper  <drepper@redhat.com>
+
+	* sysdeps/i386/configure.in: Add test for <cpuid.h>.
+
 2009-07-31  Ulrich Drepper  <drepper@redhat.com>
 
 	* sysdeps/unix/sysv/linux/x86_64/____longjmp_chk.S (longjmp_msg): Yet
diff --git a/sysdeps/i386/configure b/sysdeps/i386/configure
index cbc8cd9206..ced0b31d0f 100755
--- a/sysdeps/i386/configure
+++ b/sysdeps/i386/configure
@@ -1,42 +1,54 @@
-as_nl='
-'
-export as_nl
-# Printing a long string crashes Solaris 7 /usr/bin/printf.
-as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
-if (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
-  as_echo='printf %s\n'
-  as_echo_n='printf %s'
+# This file is generated from configure.in by Autoconf.  DO NOT EDIT!
+ # Local configure fragment for sysdeps/i386.
+
+
+{ echo "$as_me:$LINENO: checking if gcc provides <cpuid.h>" >&5
+echo $ECHO_N "checking if gcc provides <cpuid.h>... $ECHO_C" >&6; }
+if test "${libc_cv_gcc_cpuid+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+#include <cpuid.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  libc_cv_gcc_cpuid=yes
 else
-  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
-    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
-    as_echo_n='/usr/ucb/echo -n'
-  else
-    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
-    as_echo_n_body='eval
-      arg=$1;
-      case $arg in
-      *"$as_nl"*)
-	expr "X$arg" : "X\\(.*\\)$as_nl";
-	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
-      esac;
-      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
-    '
-    export as_echo_n_body
-    as_echo_n='sh -c $as_echo_n_body as_echo'
-  fi
-  export as_echo_body
-  as_echo='sh -c $as_echo_body as_echo'
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	libc_cv_gcc_cpuid=no
 fi
 
-# This file is generated from configure.in by Autoconf.  DO NOT EDIT!
- # Local configure fragment for sysdeps/i386.
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $libc_cv_gcc_cpuid" >&5
+echo "${ECHO_T}$libc_cv_gcc_cpuid" >&6; }
+if test $libc_cv_gcc_cpuid != yes; then
+  { { echo "$as_me:$LINENO: error: gcc must provide the <cpuid.h> header" >&5
+echo "$as_me: error: gcc must provide the <cpuid.h> header" >&2;}
+   { (exit 1); exit 1; }; }
+fi
 
-{ $as_echo "$as_me:$LINENO: checking if -g produces usable source locations for assembler-with-cpp" >&5
-$as_echo_n "checking if -g produces usable source locations for assembler-with-cpp... " >&6; }
+{ echo "$as_me:$LINENO: checking if -g produces usable source locations for assembler-with-cpp" >&5
+echo $ECHO_N "checking if -g produces usable source locations for assembler-with-cpp... $ECHO_C" >&6; }
 if test "${libc_cv_cpp_asm_debuginfo+set}" = set; then
-  $as_echo_n "(cached) " >&6
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat > conftest.S <<EOF
 #include "confdefs.h"
@@ -59,7 +71,7 @@ if { ac_try='${CC-cc} $CPPFLAGS $ASFLAGS -g -c conftest.S 1>&5'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; } && {
    ac_pattern='conftest\.S'
    { ac_try='readelf --debug-dump=line conftest.o |
@@ -67,7 +79,7 @@ if { ac_try='${CC-cc} $CPPFLAGS $ASFLAGS -g -c conftest.S 1>&5'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }
   }; then
   libc_cv_cpp_asm_debuginfo=yes
@@ -76,8 +88,8 @@ else
 fi
 rm -f conftest*
 fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_cpp_asm_debuginfo" >&5
-$as_echo "$libc_cv_cpp_asm_debuginfo" >&6; }
+{ echo "$as_me:$LINENO: result: $libc_cv_cpp_asm_debuginfo" >&5
+echo "${ECHO_T}$libc_cv_cpp_asm_debuginfo" >&6; }
 if test $libc_cv_cpp_asm_debuginfo = yes; then
   cat >>confdefs.h <<\_ACEOF
 #define HAVE_CPP_ASM_DEBUGINFO 1
@@ -85,24 +97,24 @@ _ACEOF
 
 fi
 
-{ $as_echo "$as_me:$LINENO: checking for SSE4 support" >&5
-$as_echo_n "checking for SSE4 support... " >&6; }
+{ echo "$as_me:$LINENO: checking for SSE4 support" >&5
+echo $ECHO_N "checking for SSE4 support... $ECHO_C" >&6; }
 if test "${libc_cv_cc_sse4+set}" = set; then
-  $as_echo_n "(cached) " >&6
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if { ac_try='${CC-cc} -msse4 -xc /dev/null -S -o /dev/null'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
   libc_cv_cc_sse4=yes
 else
   libc_cv_cc_sse4=no
 fi
 fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_cc_sse4" >&5
-$as_echo "$libc_cv_cc_sse4" >&6; }
+{ echo "$as_me:$LINENO: result: $libc_cv_cc_sse4" >&5
+echo "${ECHO_T}$libc_cv_cc_sse4" >&6; }
 if test $libc_cv_cc_sse4 = yes; then
   cat >>confdefs.h <<\_ACEOF
 #define HAVE_SSE4_SUPPORT 1
diff --git a/sysdeps/i386/configure.in b/sysdeps/i386/configure.in
index 44f53a57a0..800f928fbd 100644
--- a/sysdeps/i386/configure.in
+++ b/sysdeps/i386/configure.in
@@ -1,6 +1,13 @@
 GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
 # Local configure fragment for sysdeps/i386.
 
+AC_CACHE_CHECK([if gcc provides <cpuid.h>], libc_cv_gcc_cpuid, [dnl
+AC_COMPILE_IFELSE([#include <cpuid.h>], libc_cv_gcc_cpuid=yes,
+		  libc_cv_gcc_cpuid=no)])
+if test $libc_cv_gcc_cpuid != yes; then
+  AC_MSG_ERROR([gcc must provide the <cpuid.h> header])
+fi
+
 AC_CACHE_CHECK(if -g produces usable source locations for assembler-with-cpp,
 	       libc_cv_cpp_asm_debuginfo, [dnl
 cat > conftest.S <<EOF