The dragonegg plugin needs except.h, so add it to the list of

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

diff --git a/gcc/configure.ac b/gcc/configure.ac
index fee13b3..ac4ca70 100644 (file)
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -2,7 +2,7 @@
 # Process this file with autoconf to generate a configuration script.
 
 # Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
-# 2007, 2008, 2009 Free Software Foundation, Inc.
+# 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
 
 #This file is part of GCC.
 
@@ -2272,7 +2272,23 @@ gcc_GAS_CHECK_FEATURE([cfi directives], gcc_cv_as_cfi_directive,
                sed -e /.eh_frame/!d -e N | grep READONLY > /dev/null; then
          gcc_cv_as_cfi_directive=no
        else
-         gcc_cv_as_cfi_directive=yes
+         case "$target" in
+           i?86-*-solaris2.1[[0-9]]*)
+             # On Solaris/x86, make sure that GCC and gas agree on using
+             # read-only .eh_frame sections for 64-bit.
+             if $gcc_cv_as --64 -o conftest.o conftest.s > /dev/null 2>&1 && \
+               $gcc_cv_objdump -h conftest.o 2>/dev/null | \
+                       sed -e /.eh_frame/!d -e N | \
+                       grep READONLY > /dev/null; then
+               gcc_cv_as_cfi_directive=yes
+             else
+               gcc_cv_as_cfi_directive=no
+             fi
+             ;;
+           *)
+             gcc_cv_as_cfi_directive=yes
+             ;;
+         esac 
        fi
       else
         # no objdump, err on the side of caution
@@ -2292,12 +2308,12 @@ gcc_GAS_CHECK_FEATURE([working cfi advance], gcc_cv_as_cfi_advance_working,
 [      .text
        .cfi_startproc
        .cfi_adjust_cfa_offset 64
-       .skip 512, 0
+       .skip 75040, 0
        .cfi_adjust_cfa_offset 128
        .cfi_endproc],
 [[
 if $gcc_cv_readelf -wf conftest.o 2>/dev/null \
-    | grep 'DW_CFA_advance_loc[12]:[   ][      ]*512[  ]' >/dev/null; then
+    | grep 'DW_CFA_advance_loc[24]:[   ][      ]*75040[        ]' >/dev/null; then
    gcc_cv_as_cfi_advance_working=yes
 fi
 ]])
@@ -2557,25 +2573,54 @@ foo:    .long   25
        tls_first_minor=17
        ;;
   i[34567]86-*-*)
-    conftest_s='
-       .section ".tdata","awT",@progbits
+    case "$target" in
+      i[34567]86-*-solaris2.[56789]*)
+       # TLS was introduced in the Solaris 9 4/04 release but
+       # we do not enable it by default on Solaris 9 either.
+       if test "x$enable_tls" = xyes ; then
+         on_solaris=yes
+       else
+         enable_tls=no;
+       fi
+       ;;
+      i[34567]86-*-solaris2.*)
+       on_solaris=yes
+       ;;
+      *)
+       on_solaris=no
+       ;;
+    esac
+    if test x$on_solaris = xyes && test x$gas_flag = xno; then
+      conftest_s='
+       .section .tdata,"awt",@progbits'
+      tls_first_major=0
+      tls_first_minor=0
+changequote([,])dnl
+      AC_DEFINE(TLS_SECTION_ASM_FLAG, 't',
+[Define to the flag used to mark TLS sections if the default (`T') doesn't work.])
+changequote(,)dnl
+    else
+      conftest_s='
+       .section ".tdata","awT",@progbits'
+      tls_first_major=2
+      tls_first_minor=14
+      tls_as_opt="--fatal-warnings"
+    fi
+    conftest_s="$conftest_s
 foo:   .long   25
        .text
        movl    %gs:0, %eax
-       leal    foo@TLSGD(,%ebx,1), %eax
-       leal    foo@TLSLDM(%ebx), %eax
-       leal    foo@DTPOFF(%eax), %edx
-       movl    foo@GOTTPOFF(%ebx), %eax
-       subl    foo@GOTTPOFF(%ebx), %eax
-       addl    foo@GOTNTPOFF(%ebx), %eax
-       movl    foo@INDNTPOFF, %eax
-       movl    $foo@TPOFF, %eax
-       subl    $foo@TPOFF, %eax
-       leal    foo@NTPOFF(%ecx), %eax'
-       tls_first_major=2
-       tls_first_minor=14
-       tls_as_opt=--fatal-warnings
-       ;;
+       leal    foo@tlsgd(,%ebx,1), %eax
+       leal    foo@tlsldm(%ebx), %eax
+       leal    foo@dtpoff(%eax), %edx
+       movl    foo@gottpoff(%ebx), %eax
+       subl    foo@gottpoff(%ebx), %eax
+       addl    foo@gotntpoff(%ebx), %eax
+       movl    foo@indntpoff, %eax
+       movl    \$foo@tpoff, %eax
+       subl    \$foo@tpoff, %eax
+       leal    foo@ntpoff(%ecx), %eax"
+    ;;
   x86_64-*-*)
     conftest_s='
        .section ".tdata","awT",@progbits
@@ -2944,6 +2989,35 @@ case "$target" in
       [AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
                [Define if your assembler supports -relax option.])])
 
+    gcc_GAS_CHECK_FEATURE([GOTDATA_OP relocs],
+      gcc_cv_as_sparc_gotdata_op,,
+      [-K PIC],
+[.text
+foo:
+       nop
+bar:
+       sethi %gdop_hix22(foo), %g1
+       xor    %g1, %gdop_lox10(foo), %g1
+       ld    [[%l7 + %g1]], %g2, %gdop(foo)],
+      [if test x$gcc_cv_ld != x \
+       && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
+         if $gcc_cv_ld -v | grep GNU >/dev/null 2>&1; then
+           if test x$gcc_cv_objdump != x; then
+             if $gcc_cv_objdump -s -j .text conftest 2> /dev/null \
+                | grep ' 03000004 82186004 c405c001'> /dev/null 2>&1; then
+              gcc_cv_as_sparc_gotdata_op=no
+             else
+              gcc_cv_as_sparc_gotdata_op=yes
+             fi
+           fi
+         else
+          gcc_cv_as_sparc_gotdata_op=yes
+         fi
+       fi
+       rm -f conftest],
+      [AC_DEFINE(HAVE_AS_SPARC_GOTDATA_OP, 1,
+               [Define if your assembler and linker support GOTDATA_OP relocs.])])
+
     gcc_GAS_CHECK_FEATURE([unaligned pcrel relocs],
       gcc_cv_as_sparc_ua_pcrel,,
       [-K PIC],