darwin.h (LINK_COMMAND_SPEC): Add -arch and -arch_only options.

	* config/darwin.h (LINK_COMMAND_SPEC): Add -arch and -arch_only
	options.
	* config/i386/darwin.h (ASM_SPEC): New.
	(SUBTARGET_EXTRA_SPECS): New.
	* config/rs6000/darwin.h (ASM_SPEC): New.
	(SUBTARGET_EXTRA_SPECS): New.
	* configure.in: Don't set CROSS or SYSTEM_HEADER_DIR when building
	a cross-compiler between two different processors on Darwin.
	* configure: Regenerate.

From-SVN: r70589

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 95b7f54e3ff75a426710694f3ae1cd3184d1e989..7fbdfdb1f27572ee6eaabc65ab70cf84b3d70b0b 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,15 @@
+2003-08-19  Geoffrey Keating  <geoffk@apple.com>
+
+       * config/darwin.h (LINK_COMMAND_SPEC): Add -arch and -arch_only
+       options.
+       * config/i386/darwin.h (ASM_SPEC): New.
+       (SUBTARGET_EXTRA_SPECS): New.
+       * config/rs6000/darwin.h (ASM_SPEC): New.
+       (SUBTARGET_EXTRA_SPECS): New.
+       * configure.in: Don't set CROSS or SYSTEM_HEADER_DIR when building
+       a cross-compiler between two different processors on Darwin.
+       * configure: Regenerate.
+
 2003-08-19  Kazu Hirata  <kazu@cs.umass.edu>
 
        * builtins.c: Fix comment typos.

diff --git a/gcc/config/darwin.h b/gcc/config/darwin.h
index bc25ff0409160acafb044af42c0b72e895552f79..e0aeb7b21527a16e2488c5d1137a06e81c6bffd0 100644 (file)
--- a/gcc/config/darwin.h
+++ b/gcc/config/darwin.h
@@ -186,6 +186,8 @@ Boston, MA 02111-1307, USA.  */
 #define LINK_COMMAND_SPEC "\
 %{!fdump=*:%{!fsyntax-only:%{!precomp:%{!c:%{!M:%{!MM:%{!E:%{!S:\
     %{!Zdynamiclib:%(linker)}%{Zdynamiclib:/usr/bin/libtool} \
+    %{!Zdynamiclib:-arch %(darwin_arch)} \
+    %{Zdynamiclib:-arch_only %(darwin_arch)} \
     %l %X %{d} %{s} %{t} %{Z} \
     %{!Zdynamiclib:%{A} %{e*} %{m} %{N} %{n} %{r} %{u*} %{x} %{z}} \
     %{@:-o %f%u.out}%{!@:%{o*}%{!o:-o a.out}} \

diff --git a/gcc/config/i386/darwin.h b/gcc/config/i386/darwin.h
index 2e68be81c6f6282116dc6d47f191ff00c1d2fa9d..3b70de4f1bc939902ea9caf177adde4284a495e6 100644 (file)
--- a/gcc/config/i386/darwin.h
+++ b/gcc/config/i386/darwin.h
@@ -41,6 +41,16 @@ Boston, MA 02111-1307, USA.  */
 #undef CC1_SPEC
 #define CC1_SPEC "%{!static:-fPIC}"
 
+#define ASM_SPEC "-arch i386 \
+  %{Zforce_cpusubtype_ALL:-force_cpusubtype_ALL} \
+  %{!Zforce_cpusubtype_ALL:%{mmmx:-force_cpusubtype_ALL}\
+                          %{msse:-force_cpusubtype_ALL}\
+                          %{msse2:-force_cpusubtype_ALL}}"
+
+#undef SUBTARGET_EXTRA_SPECS
+#define SUBTARGET_EXTRA_SPECS                  \
+  { "darwin_arch", "i386" },
+
 /* The Darwin assembler mostly follows AT&T syntax.  */
 #undef ASSEMBLER_DIALECT
 #define ASSEMBLER_DIALECT ASM_ATT

diff --git a/gcc/config/rs6000/darwin.h b/gcc/config/rs6000/darwin.h
index b28544ade3b9b133a801b93fbf8fc927c1b47aba..bee77b9299ead2bc3dcf96176419b2c6256e0052 100644 (file)
--- a/gcc/config/rs6000/darwin.h
+++ b/gcc/config/rs6000/darwin.h
@@ -97,6 +97,14 @@ do {                                                                 \
 %{static: %{Zdynamic: %e conflicting code gen style switches are used}}\
 %{!static:%{!mdynamic-no-pic:-fPIC}}"
 
+#define ASM_SPEC "-arch ppc \
+  %{Zforce_cpusubtype_ALL:-force_cpusubtype_ALL} \
+  %{!Zforce_cpusubtype_ALL:%{faltivec:-force_cpusubtype_ALL}}"
+
+#undef SUBTARGET_EXTRA_SPECS
+#define SUBTARGET_EXTRA_SPECS                  \
+  { "darwin_arch", "ppc" },
+
 /* Make both r2 and r3 available for allocation.  */
 #define FIXED_R2 0
 #define FIXED_R13 0

diff --git a/gcc/configure b/gcc/configure
index 75ced20f12607e353b9fbafef5b31a0f4fe29796..5ec0828009a5312f63fc80f2bb33983057fef7fb 100755 (executable)
--- a/gcc/configure
+++ b/gcc/configure
@@ -5709,6 +5709,21 @@ then
        ALL=all.cross
        SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
        case "$host","$target" in
+       # Darwin crosses can use the host system's libraries and headers,
+       # because of the fat library support.  Of course, it must be the
+       # same version of Darwin on both sides.  Allow the user to
+       # just say --target=foo-darwin without a version number to mean
+       # "the version on this system".
+           *-*-darwin*,*-*-darwin*)
+               hostos=`echo $host | sed 's/.*-darwin/darwin/'`
+               targetos=`echo $target | sed 's/.*-darwin/darwin/'`
+               if test $hostos = $targetos -o $targetos = darwin ; then
+                   CROSS=
+                   SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)'
+                   with_headers=yes
+               fi
+               ;;
+
            i?86-*-*,x86_64-*-* \
            | powerpc*-*-*,powerpc64*-*-*)
                CROSS="$CROSS -DNATIVE_CROSS" ;;
@@ -5791,7 +5806,7 @@ esac
 # build->target assembler and hope that it will have the same features
 # as the host->target assembler we'll be using.
 echo $ac_n "checking what assembler to use""... $ac_c" 1>&6
-echo "configure:5795: checking what assembler to use" >&5
+echo "configure:5810: checking what assembler to use" >&5
 in_tree_gas=no
 gcc_cv_as=
 gcc_cv_gas_major_version=
@@ -5915,7 +5930,7 @@ esac
 # build->target linker and hope that it will have the same features
 # as the host->target linker we'll be using.
 echo $ac_n "checking what linker to use""... $ac_c" 1>&6
-echo "configure:5919: checking what linker to use" >&5
+echo "configure:5934: checking what linker to use" >&5
 in_tree_ld=no
 gcc_cv_ld=
 gcc_cv_gld_major_version=
@@ -6023,7 +6038,7 @@ esac
 # Figure out what nm we will be using.
 gcc_cv_binutils_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/binutils
 echo $ac_n "checking what nm to use""... $ac_c" 1>&6
-echo "configure:6027: checking what nm to use" >&5
+echo "configure:6042: checking what nm to use" >&5
 in_tree_nm=no
 if test -x nm$host_exeext; then
        gcc_cv_nm=./nm$host_exeext
@@ -6046,7 +6061,7 @@ esac
 
 # Figure out what objdump we will be using.
 echo $ac_n "checking what objdump to use""... $ac_c" 1>&6
-echo "configure:6050: checking what objdump to use" >&5
+echo "configure:6065: checking what objdump to use" >&5
 in_tree_objdump=no
 if test -x objdump$host_exeext; then
        gcc_cv_objdump=./objdump$host_exeext
@@ -6071,7 +6086,7 @@ esac
 
 # Figure out what assembler alignment features are present.
 echo $ac_n "checking assembler for .balign and .p2align""... $ac_c" 1>&6
-echo "configure:6075: checking assembler for .balign and .p2align" >&5
+echo "configure:6090: checking assembler for .balign and .p2align" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_balign_and_p2align'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6083,7 +6098,7 @@ fi
   elif test x$gcc_cv_as != x; then
     echo '.balign 4
 .p2align 2' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6087: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6102: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
        gcc_cv_as_balign_and_p2align=yes
     else
@@ -6103,7 +6118,7 @@ EOF
 fi
 
 echo $ac_n "checking assembler for .p2align with maximum skip""... $ac_c" 1>&6
-echo "configure:6107: checking assembler for .p2align with maximum skip" >&5
+echo "configure:6122: checking assembler for .p2align with maximum skip" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_max_skip_p2align'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6114,7 +6129,7 @@ else
 fi
   elif test x$gcc_cv_as != x; then
     echo '.p2align 4,,7' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6118: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6133: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
        gcc_cv_as_max_skip_p2align=yes
     else
@@ -6134,7 +6149,7 @@ EOF
 fi
 
 echo $ac_n "checking assembler for working .subsection -1""... $ac_c" 1>&6
-echo "configure:6138: checking assembler for working .subsection -1" >&5
+echo "configure:6153: checking assembler for working .subsection -1" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_subsection_m1'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6149,7 +6164,7 @@ fi
 .subsection -1
 conftest_label2: .word 0
 .previous' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6153: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6168: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
        if test x$gcc_cv_nm != x; then
     $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
@@ -6177,7 +6192,7 @@ EOF
 fi
 
 echo $ac_n "checking assembler for .weak""... $ac_c" 1>&6
-echo "configure:6181: checking assembler for .weak" >&5
+echo "configure:6196: checking assembler for .weak" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_weak'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6188,7 +6203,7 @@ else
 fi
   elif test x$gcc_cv_as != x; then
     echo '     .weak foobar' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6192: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6207: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
        gcc_cv_as_weak=yes
     else
@@ -6215,7 +6230,7 @@ fi
 # to be safe.
 # The gcc_GAS_CHECK_FEATURE call just sets a cache variable.
 echo $ac_n "checking assembler for .hidden""... $ac_c" 1>&6
-echo "configure:6219: checking assembler for .hidden" >&5
+echo "configure:6234: checking assembler for .hidden" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_hidden'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6228,7 +6243,7 @@ fi
   elif test x$gcc_cv_as != x; then
     echo '     .hidden foobar
 foobar:' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6232: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6247: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
        gcc_cv_as_hidden=yes
     else
@@ -6243,7 +6258,7 @@ echo "$ac_t""$gcc_cv_as_hidden" 1>&6
 
 
 echo $ac_n "checking linker for .hidden support""... $ac_c" 1>&6
-echo "configure:6247: checking linker for .hidden support" >&5
+echo "configure:6262: checking linker for .hidden support" >&5
 if eval "test \"`echo '$''{'gcc_cv_ld_hidden'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6317,7 +6332,7 @@ fi
 
 # Check if we have .[us]leb128, and support symbol arithmetic with it.
 echo $ac_n "checking assembler for .sleb128 and .uleb128""... $ac_c" 1>&6
-echo "configure:6321: checking assembler for .sleb128 and .uleb128" >&5
+echo "configure:6336: checking assembler for .sleb128 and .uleb128" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_leb128'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6334,7 +6349,7 @@ L1:
        .uleb128 1280
        .sleb128 -1010
 L2:' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6338: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6353: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
        # GAS versions before 2.11 do not support uleb128,
   # despite appearing to.
@@ -6370,7 +6385,7 @@ fi
 # GAS versions up to and including 2.11.0 may mis-optimize
 # .eh_frame data.
 echo $ac_n "checking assembler for eh_frame optimization""... $ac_c" 1>&6
-echo "configure:6374: checking assembler for eh_frame optimization" >&5
+echo "configure:6389: checking assembler for eh_frame optimization" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_eh_frame'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6413,7 +6428,7 @@ __FRAME_BEGIN__:
        .byte   0x4
        .4byte  .L1-.LFB1
 .LEFDE1:' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6417: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6432: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
          cat > conftest.lit <<EOF
  0000 10000000 00000000 017a0001 781a0004  .........z..x...
@@ -6434,7 +6449,7 @@ EOF
     || cmp conftest.big conftest.got > /dev/null 2>&1; }
   then
     gcc_cv_as_eh_frame=yes
-  elif { ac_try='$gcc_cv_as -o conftest.o --traditional-format /dev/null'; { (eval echo configure:6438: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+  elif { ac_try='$gcc_cv_as -o conftest.o --traditional-format /dev/null'; { (eval echo configure:6453: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
     gcc_cv_as_eh_frame=buggy
   else
     # Uh oh, what do we do now?
@@ -6459,7 +6474,7 @@ EOF
 fi
 
 echo $ac_n "checking assembler for section merging support""... $ac_c" 1>&6
-echo "configure:6463: checking assembler for section merging support" >&5
+echo "configure:6478: checking assembler for section merging support" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_shf_merge'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6471,7 +6486,7 @@ else
 fi
   elif test x$gcc_cv_as != x; then
     echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s
-    if { ac_try='$gcc_cv_as --fatal-warnings -o conftest.o conftest.s >&5'; { (eval echo configure:6475: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as --fatal-warnings -o conftest.o conftest.s >&5'; { (eval echo configure:6490: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
        gcc_cv_as_shf_merge=yes
     else
@@ -6670,7 +6685,7 @@ if test -z "$tls_first_major"; then
   : # If we don't have a check, assume no support.
 else
   echo $ac_n "checking assembler for thread-local storage support""... $ac_c" 1>&6
-echo "configure:6674: checking assembler for thread-local storage support" >&5
+echo "configure:6689: checking assembler for thread-local storage support" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_tls'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6681,7 +6696,7 @@ else
 fi
   elif test x$gcc_cv_as != x; then
     echo "$conftest_s" > conftest.s
-    if { ac_try='$gcc_cv_as $tls_as_opt --fatal-warnings -o conftest.o conftest.s >&5'; { (eval echo configure:6685: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as $tls_as_opt --fatal-warnings -o conftest.o conftest.s >&5'; { (eval echo configure:6700: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
        gcc_cv_as_tls=yes
     else
@@ -6707,7 +6722,7 @@ case "$target" in
   # All TARGET_ABI_OSF targets.
   alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
     echo $ac_n "checking assembler for explicit relocation support""... $ac_c" 1>&6
-echo "configure:6711: checking assembler for explicit relocation support" >&5
+echo "configure:6726: checking assembler for explicit relocation support" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_alpha_explicit_relocs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6730,7 +6745,7 @@ fi
        ldah    $1, d($29)      !gprelhigh
        lda     $1, d($1)       !gprellow
        lda     $29, 0($29)     !gpdisp!3' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6734: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6749: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
        gcc_cv_as_alpha_explicit_relocs=yes
     else
@@ -6752,14 +6767,14 @@ fi
 
   sparc*-*-*)
     echo $ac_n "checking assembler for .register""... $ac_c" 1>&6
-echo "configure:6756: checking assembler for .register" >&5
+echo "configure:6771: checking assembler for .register" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_sparc_register_op'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   gcc_cv_as_sparc_register_op=no
   if test x$gcc_cv_as != x; then
     echo '.register %g2, #scratch' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6763: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6778: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
        gcc_cv_as_sparc_register_op=yes
     else
@@ -6779,14 +6794,14 @@ EOF
 fi
 
     echo $ac_n "checking assembler for -relax option""... $ac_c" 1>&6
-echo "configure:6783: checking assembler for -relax option" >&5
+echo "configure:6798: checking assembler for -relax option" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_sparc_relax'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   gcc_cv_as_sparc_relax=no
   if test x$gcc_cv_as != x; then
     echo '.text' > conftest.s
-    if { ac_try='$gcc_cv_as -relax -o conftest.o conftest.s >&5'; { (eval echo configure:6790: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as -relax -o conftest.o conftest.s >&5'; { (eval echo configure:6805: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
        gcc_cv_as_sparc_relax=yes
     else
@@ -6806,7 +6821,7 @@ EOF
 fi
 
     echo $ac_n "checking assembler for unaligned pcrel relocs""... $ac_c" 1>&6
-echo "configure:6810: checking assembler for unaligned pcrel relocs" >&5
+echo "configure:6825: checking assembler for unaligned pcrel relocs" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_sparc_ua_pcrel'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6819,7 +6834,7 @@ foo:
 .align 4
 .byte 0
 .uaword %r_disp32(foo)' > conftest.s
-    if { ac_try='$gcc_cv_as -K PIC -o conftest.o conftest.s >&5'; { (eval echo configure:6823: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as -K PIC -o conftest.o conftest.s >&5'; { (eval echo configure:6838: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
        if test x$gcc_cv_ld != x \
        && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
@@ -6842,7 +6857,7 @@ EOF
 
 
       echo $ac_n "checking assembler for unaligned pcrel relocs against hidden symbols""... $ac_c" 1>&6
-echo "configure:6846: checking assembler for unaligned pcrel relocs against hidden symbols" >&5
+echo "configure:6861: checking assembler for unaligned pcrel relocs against hidden symbols" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_sparc_ua_pcrel_hidden'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6857,7 +6872,7 @@ else
 .hidden foo
 foo:
 .skip 4' > conftest.s
-    if { ac_try='$gcc_cv_as -K PIC -o conftest.o conftest.s >&5'; { (eval echo configure:6861: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as -K PIC -o conftest.o conftest.s >&5'; { (eval echo configure:6876: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
        if test x$gcc_cv_ld != x && test x$gcc_cv_objdump != x \
         && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
@@ -6890,7 +6905,7 @@ fi
 fi # unaligned pcrel relocs
 
     echo $ac_n "checking assembler for offsetable %lo()""... $ac_c" 1>&6
-echo "configure:6894: checking assembler for offsetable %lo()" >&5
+echo "configure:6909: checking assembler for offsetable %lo()" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_sparc_offsetable_lo10'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6899,7 +6914,7 @@ else
     echo '.text
        or %g1, %lo(ab) + 12, %g1
        or %g1, %lo(ab + 12), %g1' > conftest.s
-    if { ac_try='$gcc_cv_as -xarch=v9 -o conftest.o conftest.s >&5'; { (eval echo configure:6903: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as -xarch=v9 -o conftest.o conftest.s >&5'; { (eval echo configure:6918: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
        if test x$gcc_cv_objdump != x \
        && %gcc_cv_objdump -s -j .text conftest.o 2> /dev/null \
@@ -6925,7 +6940,7 @@ fi
 
   i[34567]86-*-* | x86_64-*-*)
     echo $ac_n "checking assembler for filds and fists mnemonics""... $ac_c" 1>&6
-echo "configure:6929: checking assembler for filds and fists mnemonics" >&5
+echo "configure:6944: checking assembler for filds and fists mnemonics" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_ix86_filds_fists'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6936,7 +6951,7 @@ else
 fi
   elif test x$gcc_cv_as != x; then
     echo 'filds mem; fists mem' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6940: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6955: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
        gcc_cv_as_ix86_filds_fists=yes
     else
@@ -6958,7 +6973,7 @@ fi
     # This one is used unconditionally by i386.[ch]; it is to be defined
     # to 1 if the feature is present, 0 otherwise.
     echo $ac_n "checking assembler for GOTOFF in data""... $ac_c" 1>&6
-echo "configure:6962: checking assembler for GOTOFF in data" >&5
+echo "configure:6977: checking assembler for GOTOFF in data" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_ix86_gotoff_in_data'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6973,7 +6988,7 @@ fi
        nop
        .data
        .long .L0@GOTOFF' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6977: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6992: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
        gcc_cv_as_ix86_gotoff_in_data=yes
     else
@@ -6994,7 +7009,7 @@ EOF
 
   ia64*-*-*)
     echo $ac_n "checking assembler for ltoffx and ldxmov relocs""... $ac_c" 1>&6
-echo "configure:6998: checking assembler for ltoffx and ldxmov relocs" >&5
+echo "configure:7013: checking assembler for ltoffx and ldxmov relocs" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_ia64_ltoffx_ldxmov_relocs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7008,7 +7023,7 @@ fi
        addl r15 = @ltoffx(x#), gp
        ;;
        ld8.mov r16 = [r15], x#' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:7012: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:7027: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
        gcc_cv_as_ia64_ltoffx_ldxmov_relocs=yes
     else
@@ -7038,7 +7053,7 @@ fi
        mfcr 3,128"
 
     echo $ac_n "checking assembler for mfcr field support""... $ac_c" 1>&6
-echo "configure:7042: checking assembler for mfcr field support" >&5
+echo "configure:7057: checking assembler for mfcr field support" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_powerpc_mfcrf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7049,7 +7064,7 @@ else
 fi
   elif test x$gcc_cv_as != x; then
     echo "$conftest_s" > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:7053: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:7068: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
        gcc_cv_as_powerpc_mfcrf=yes
     else
@@ -7071,7 +7086,7 @@ fi
 
   mips*-*-*)
     echo $ac_n "checking assembler for explicit relocation support""... $ac_c" 1>&6
-echo "configure:7075: checking assembler for explicit relocation support" >&5
+echo "configure:7090: checking assembler for explicit relocation support" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_mips_explicit_relocs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7082,7 +7097,7 @@ else
 fi
   elif test x$gcc_cv_as != x; then
     echo '     lw $4,%gp_rel(foo)($4)' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:7086: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:7101: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
        gcc_cv_as_mips_explicit_relocs=yes
     else
@@ -7128,7 +7143,7 @@ if test x"$insn" != x; then
        .loc 1 3 0
        $insn"
  echo $ac_n "checking assembler for dwarf2 debug_line support""... $ac_c" 1>&6
-echo "configure:7132: checking assembler for dwarf2 debug_line support" >&5
+echo "configure:7147: checking assembler for dwarf2 debug_line support" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_dwarf2_debug_line'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7140,7 +7155,7 @@ else
 fi
   elif test x$gcc_cv_as != x; then
     echo "$conftest_s" > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:7144: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:7159: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
        # ??? This fails with non-gnu grep.  Maybe use objdump?
    if grep debug_line conftest.o > /dev/null 2>&1; then
@@ -7162,7 +7177,7 @@ echo "$ac_t""$gcc_cv_as_dwarf2_debug_line" 1>&6
 # by DW_AT_decl_file.  Approximate this test by testing if
 # the assembler bitches if the same index is assigned twice.
  echo $ac_n "checking assembler for buggy dwarf2 .file directive""... $ac_c" 1>&6
-echo "configure:7166: checking assembler for buggy dwarf2 .file directive" >&5
+echo "configure:7181: checking assembler for buggy dwarf2 .file directive" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_dwarf2_file_buggy'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7170,7 +7185,7 @@ else
   if test x$gcc_cv_as != x; then
     echo '     .file 1 "foo.s"
        .file 1 "bar.s"' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:7174: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:7189: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
        gcc_cv_as_dwarf2_file_buggy=yes
     else
@@ -7193,7 +7208,7 @@ EOF
  fi
 
  echo $ac_n "checking assembler for --gdwarf2 option""... $ac_c" 1>&6
-echo "configure:7197: checking assembler for --gdwarf2 option" >&5
+echo "configure:7212: checking assembler for --gdwarf2 option" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_gdwarf2_flag'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7205,7 +7220,7 @@ else
 fi
   elif test x$gcc_cv_as != x; then
     echo "$insn" > conftest.s
-    if { ac_try='$gcc_cv_as --gdwarf2 -o conftest.o conftest.s >&5'; { (eval echo configure:7209: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as --gdwarf2 -o conftest.o conftest.s >&5'; { (eval echo configure:7224: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
        gcc_cv_as_gdwarf2_flag=yes
     else
@@ -7225,7 +7240,7 @@ EOF
 fi
 
  echo $ac_n "checking assembler for --gstabs option""... $ac_c" 1>&6
-echo "configure:7229: checking assembler for --gstabs option" >&5
+echo "configure:7244: checking assembler for --gstabs option" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_gstabs_flag'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7237,12 +7252,12 @@ else
 fi
   elif test x$gcc_cv_as != x; then
     echo "$insn" > conftest.s
-    if { ac_try='$gcc_cv_as --gstabs -o conftest.o conftest.s >&5'; { (eval echo configure:7241: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as --gstabs -o conftest.o conftest.s >&5'; { (eval echo configure:7256: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
        # The native Solaris 9/Intel assembler doesn't understand --gstabs
    # and warns about it, but still exits successfully.  So check for
    # this.
-   if { ac_try='$gcc_cv_as --gstabs -o conftest.o conftest.s 2>&1 | grep -i warning > /dev/null'; { (eval echo configure:7246: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+   if { ac_try='$gcc_cv_as --gstabs -o conftest.o conftest.s 2>&1 | grep -i warning > /dev/null'; { (eval echo configure:7261: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
    then :
    else gcc_cv_as_gstabs_flag=yes
    fi
@@ -7264,7 +7279,7 @@ fi
 fi
 
 echo $ac_n "checking linker read-only and read-write section mixing""... $ac_c" 1>&6
-echo "configure:7268: checking linker read-only and read-write section mixing" >&5
+echo "configure:7283: checking linker read-only and read-write section mixing" >&5
 gcc_cv_ld_ro_rw_mix=unknown
 if test $in_tree_ld = yes ; then
   if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10 -o "$gcc_cv_gld_major_version" -gt 2 \
@@ -7303,7 +7318,7 @@ fi
 echo "$ac_t""$gcc_cv_ld_ro_rw_mix" 1>&6
 
 echo $ac_n "checking linker PT_GNU_EH_FRAME support""... $ac_c" 1>&6
-echo "configure:7307: checking linker PT_GNU_EH_FRAME support" >&5
+echo "configure:7322: checking linker PT_GNU_EH_FRAME support" >&5
 gcc_cv_ld_eh_frame_hdr=no
 if test $in_tree_ld = yes ; then
   if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 \
@@ -7325,7 +7340,7 @@ fi
 echo "$ac_t""$gcc_cv_ld_eh_frame_hdr" 1>&6
 
 echo $ac_n "checking linker position independent executable support""... $ac_c" 1>&6
-echo "configure:7329: checking linker position independent executable support" >&5
+echo "configure:7344: checking linker position independent executable support" >&5
 gcc_cv_ld_pie=no
 if test $in_tree_ld = yes ; then
   if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 15 -o "$gcc_cv_gld_major_version" -gt 2 \
@@ -7350,7 +7365,7 @@ echo "$ac_t""$gcc_cv_ld_pie" 1>&6
 case "$target" in
   mips*-*-*)
     echo $ac_n "checking whether libgloss uses STARTUP directives consistently""... $ac_c" 1>&6
-echo "configure:7354: checking whether libgloss uses STARTUP directives consistently" >&5
+echo "configure:7369: checking whether libgloss uses STARTUP directives consistently" >&5
     gcc_cv_mips_libgloss_startup=no
     gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss
     if test "x$exec_prefix" = xNONE; then
@@ -7555,7 +7570,7 @@ fi
 
 
 echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
-echo "configure:7559: checking whether to enable maintainer-specific portions of Makefiles" >&5
+echo "configure:7574: checking whether to enable maintainer-specific portions of Makefiles" >&5
     # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
 if test "${enable_maintainer_mode+set}" = set; then
   enableval="$enable_maintainer_mode"

diff --git a/gcc/configure.in b/gcc/configure.in
index 3e4e8f33c42d5497dd2f89df03056c3b65efe60a..6360c2488ba2713fd1bcabf1cd2e117f84d72e3b 100644 (file)
--- a/gcc/configure.in
+++ b/gcc/configure.in
@@ -1414,6 +1414,21 @@ then
        ALL=all.cross
        SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
        case "$host","$target" in
+       # Darwin crosses can use the host system's libraries and headers,
+       # because of the fat library support.  Of course, it must be the
+       # same version of Darwin on both sides.  Allow the user to
+       # just say --target=foo-darwin without a version number to mean
+       # "the version on this system".
+           *-*-darwin*,*-*-darwin*)
+               hostos=`echo $host | sed 's/.*-darwin/darwin/'`
+               targetos=`echo $target | sed 's/.*-darwin/darwin/'`
+               if test $hostos = $targetos -o $targetos = darwin ; then
+                   CROSS=
+                   SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)'
+                   with_headers=yes
+               fi
+               ;;
+
            i?86-*-*,x86_64-*-* \
            | powerpc*-*-*,powerpc64*-*-*)
                CROSS="$CROSS -DNATIVE_CROSS" ;;