configure.in: Unify the code which creates symlinks to a just-built as...

	* configure.in: Unify the code which creates symlinks to a
	just-built as, ld, objdump, and nm with the code that detects
	their presence for purposes of feature tests.
	* configure: Regenerate.

From-SVN: r65677

1 files changed, 64 insertions, 50 deletions

diff --git a/gcc/configure b/gcc/configure
index d92e7c8..78f285f 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -2434,7 +2434,7 @@ fi
 
 
 # Find some useful tools
-for ac_prog in mawk gawk nawk awk
+for ac_prog in gawk mawk nawk awk
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
@@ -7388,22 +7388,6 @@ case $use_collect2 in
     ;;
 esac
 
-# If we have gas in the build tree, make a link to it.
-if test -f ../gas/Makefile; then
-	rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
-fi
-
-# If we have nm and objdump in the build tree, make a link to them.
-if test -f ../binutils/Makefile; then
-	rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
-	rm -f objdump; $symbolic_link ../binutils/objdump$host_exeext objdump$host_exeext 2>/dev/null
-fi
-
-# If we have ld in the build tree, make a link to it.
-if test -f ../ld/Makefile; then
-	rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null
-fi
-
 # Identify the assembler which will work hand-in-glove with the newly
 # built GCC, so that we can examine its features.  This is the assembler
 # which will be driven by the driver program.
@@ -7412,7 +7396,7 @@ fi
 # 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""... $ac_c" 1>&6
-echo "configure:7416: checking what assembler to use" >&5
+echo "configure:7400: checking what assembler to use" >&5
 in_tree_gas=no
 gcc_cv_as=
 gcc_cv_gas_major_version=
@@ -7443,6 +7427,8 @@ gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
 gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
 gcc_cv_gas_patch_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.[0-9]*\.\([0-9]*\)"`
 
+  rm -f as$host_exeext
+  $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
 fi
 
 if test "x$gcc_cv_as" = x; then
@@ -7521,7 +7507,7 @@ 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""... $ac_c" 1>&6
-echo "configure:7525: checking what linker to use" >&5
+echo "configure:7511: checking what linker to use" >&5
 in_tree_ld=no
 gcc_cv_ld=
 gcc_cv_gld_major_version=
@@ -7532,9 +7518,9 @@ if test -x "$DEFAULT_LINKER"; then
 	gcc_cv_ld="$DEFAULT_LINKER"
 elif test -x "$LD"; then
 	gcc_cv_ld="$LD"
-elif test -x ld$host_exeext; then
+elif test -x collect-ld$host_exeext; then
 	# Build using linker in the current directory.
-	gcc_cv_ld=./ld$host_exeext
+	gcc_cv_ld=./collect-ld$host_exeext
 elif test -f $gcc_cv_ld_gld_srcdir/configure.in \
      && test -f ../ld/Makefile; then
 	# Single tree build which includes ld.
@@ -7548,6 +7534,9 @@ elif test -f $gcc_cv_ld_gld_srcdir/configure.in \
 	done
 	gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
 	gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
+	rm -f collect-ld$host_exeext
+	$symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext \
+		2>/dev/null
 fi
 
 if test "x$gcc_cv_ld" = x; then
@@ -7619,32 +7608,57 @@ case $in_tree_ld in
 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""... $ac_c" 1>&6
-echo "configure:7624: checking what nm to use" >&5
+echo "configure:7614: checking what nm to use" >&5
+in_tree_nm=no
 if test -x nm$host_exeext; then
 	gcc_cv_nm=./nm$host_exeext
+elif test -f $gcc_cv_binutils_srcdir/configure.in \
+     && test -f ../binutils/Makefile; then
+	# Single tree build which includes binutils.
+	in_tree_nm=yes
+	gcc_cv_nm=./nm$host_exeext
+	rm -f nm$host_exeext
+	$symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
 elif test "x$program_prefix" != xNONE; then
 	gcc_cv_nm=${program_prefix}nm$host_exeext
 else
 	gcc_cv_nm=`echo nm | sed ${program_transform_name}`$host_exeext
 fi
-echo "$ac_t""$gcc_cv_nm" 1>&6
+case $in_tree_nm in
+  yes) echo "$ac_t"""newly built nm"" 1>&6 ;;
+  no)  echo "$ac_t""$gcc_cv_nm" 1>&6 ;;
+esac
 
 # Figure out what objdump we will be using.
 echo $ac_n "checking what objdump to use""... $ac_c" 1>&6
-echo "configure:7636: checking what objdump to use" >&5
+echo "configure:7637: checking what objdump to use" >&5
+in_tree_objdump=no
 if test -x objdump$host_exeext; then
 	gcc_cv_objdump=./objdump$host_exeext
+elif test -f $gcc_cv_binutils_srcdir/configure.in \
+     && test -f ../binutils/Makefile; then
+	# Single tree build which includes binutils.
+	in_tree_objdump=yes
+	gcc_cv_objdump=./objdump$host_exeext
+	rm -f objdump$host_exeext
+	$symbolic_link ../binutils/objdump$host_exeext \
+		objdump$host_exeext 2>/dev/null
 elif test "x$program_prefix" != xNONE; then
 	gcc_cv_objdump=${program_prefix}objdump$host_exeext
 else
-	gcc_cv_objdump=`echo objdump | sed ${program_transform_name}`$host_exeext
+	gcc_cv_objdump=`echo objdump | \
+		sed ${program_transform_name}`$host_exeext
 fi
-echo "$ac_t""$gcc_cv_objdump" 1>&6
+case $in_tree_objdump in
+  yes) echo "$ac_t"""newly built objdump"" 1>&6 ;;
+  no)  echo "$ac_t""$gcc_cv_objdump" 1>&6 ;;
+esac
 
 # Figure out what assembler alignment features are present.
 echo $ac_n "checking assembler alignment features""... $ac_c" 1>&6
-echo "configure:7648: checking assembler alignment features" >&5
+echo "configure:7662: checking assembler alignment features" >&5
 gcc_cv_as_alignment_features=none
 if test $in_tree_gas = yes; then
   # Gas version 2.6 and later support for .balign and .p2align.
@@ -7705,7 +7719,7 @@ fi
 echo "$ac_t""$gcc_cv_as_alignment_features" 1>&6
 
 echo $ac_n "checking assembler subsection support""... $ac_c" 1>&6
-echo "configure:7709: checking assembler subsection support" >&5
+echo "configure:7723: checking assembler subsection support" >&5
 gcc_cv_as_subsections=no
 if test $in_tree_gas = yes ; then
    if test $gcc_cv_gas_major_version -eq 2 \
@@ -7754,7 +7768,7 @@ fi
 echo "$ac_t""$gcc_cv_as_subsections" 1>&6
 
 echo $ac_n "checking assembler weak support""... $ac_c" 1>&6
-echo "configure:7758: checking assembler weak support" >&5
+echo "configure:7772: checking assembler weak support" >&5
 gcc_cv_as_weak=no
 if test $in_tree_gas = yes ; then
    if test $gcc_cv_gas_major_version -eq 2 \
@@ -7784,7 +7798,7 @@ fi
 echo "$ac_t""$gcc_cv_as_weak" 1>&6
 
 echo $ac_n "checking assembler hidden support""... $ac_c" 1>&6
-echo "configure:7788: checking assembler hidden support" >&5
+echo "configure:7802: checking assembler hidden support" >&5
 gcc_cv_as_hidden=no
 if test $in_tree_gas = yes ; then
    if test $gcc_cv_gas_major_version -eq 2 \
@@ -7865,7 +7879,7 @@ esac
 
 
 echo $ac_n "checking assembler leb128 support""... $ac_c" 1>&6
-echo "configure:7869: checking assembler leb128 support" >&5
+echo "configure:7883: checking assembler leb128 support" >&5
 gcc_cv_as_leb128=no
 if test $in_tree_gas = yes ; then
    if test $gcc_cv_gas_major_version -eq 2 \
@@ -7919,7 +7933,7 @@ fi
 echo "$ac_t""$gcc_cv_as_leb128" 1>&6
 
 echo $ac_n "checking assembler eh_frame optimization""... $ac_c" 1>&6
-echo "configure:7923: checking assembler eh_frame optimization" >&5
+echo "configure:7937: checking assembler eh_frame optimization" >&5
 gcc_cv_as_eh_frame=no
 if test $in_tree_gas = yes ; then
    if test $gcc_cv_gas_major_version -eq 2 \
@@ -8009,7 +8023,7 @@ fi
 echo "$ac_t""$gcc_cv_as_eh_frame" 1>&6
 
 echo $ac_n "checking assembler section merging support""... $ac_c" 1>&6
-echo "configure:8013: checking assembler section merging support" >&5
+echo "configure:8027: checking assembler section merging support" >&5
 gcc_cv_as_shf_merge=no
 if test $in_tree_gas = yes ; then
    if test $gcc_cv_gas_major_version -eq 2 \
@@ -8041,7 +8055,7 @@ fi
 echo "$ac_t""$gcc_cv_as_shf_merge" 1>&6
 
 echo $ac_n "checking assembler thread-local storage support""... $ac_c" 1>&6
-echo "configure:8045: checking assembler thread-local storage support" >&5
+echo "configure:8059: checking assembler thread-local storage support" >&5
 gcc_cv_as_tls=no
 conftest_s=
 tls_first_major=
@@ -8188,7 +8202,7 @@ case "$target" in
   # All TARGET_ABI_OSF targets.
   alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
     echo $ac_n "checking assembler supports explicit relocations""... $ac_c" 1>&6
-echo "configure:8192: checking assembler supports explicit relocations" >&5
+echo "configure:8206: checking assembler supports explicit relocations" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_explicit_relocs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8241,7 +8255,7 @@ EOF
     ;;
   sparc*-*-*)
     echo $ac_n "checking assembler .register pseudo-op support""... $ac_c" 1>&6
-echo "configure:8245: checking assembler .register pseudo-op support" >&5
+echo "configure:8259: checking assembler .register pseudo-op support" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_register_pseudo_op'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8269,7 +8283,7 @@ EOF
     fi
 
     echo $ac_n "checking assembler supports -relax""... $ac_c" 1>&6
-echo "configure:8273: checking assembler supports -relax" >&5
+echo "configure:8287: checking assembler supports -relax" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_relax_opt'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8297,7 +8311,7 @@ EOF
     fi
 
     echo $ac_n "checking assembler and linker support unaligned pc related relocs""... $ac_c" 1>&6
-echo "configure:8301: checking assembler and linker support unaligned pc related relocs" >&5
+echo "configure:8315: checking assembler and linker support unaligned pc related relocs" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_sparc_ua_pcrel'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8324,7 +8338,7 @@ EOF
     fi
 
     echo $ac_n "checking assembler and linker support unaligned pc related relocs against hidden symbols""... $ac_c" 1>&6
-echo "configure:8328: checking assembler and linker support unaligned pc related relocs against hidden symbols" >&5
+echo "configure:8342: checking assembler and linker support unaligned pc related relocs against hidden symbols" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_sparc_ua_pcrel_hidden'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8364,7 +8378,7 @@ EOF
     fi
 
     echo $ac_n "checking for assembler offsetable %lo() support""... $ac_c" 1>&6
-echo "configure:8368: checking for assembler offsetable %lo() support" >&5
+echo "configure:8382: checking for assembler offsetable %lo() support" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_offsetable_lo10'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8403,7 +8417,7 @@ EOF
 
   i[34567]86-*-* | x86_64-*-*)
     echo $ac_n "checking assembler instructions""... $ac_c" 1>&6
-echo "configure:8407: checking assembler instructions" >&5
+echo "configure:8421: checking assembler instructions" >&5
     gcc_cv_as_instructions=
     if test $in_tree_gas = yes ; then 
        if test $gcc_cv_gas_major_version -eq 2 \
@@ -8437,7 +8451,7 @@ EOF
     echo "$ac_t""$gcc_cv_as_instructions" 1>&6
 
     echo $ac_n "checking assembler GOTOFF in data directives""... $ac_c" 1>&6
-echo "configure:8441: checking assembler GOTOFF in data directives" >&5
+echo "configure:8455: checking assembler GOTOFF in data directives" >&5
     gcc_cv_as_gotoff_in_data=no
     if test $in_tree_gas = yes ; then
        if test $gcc_cv_gas_major_version -eq 2 \
@@ -8471,7 +8485,7 @@ EOF
 
   ia64*-*-*)
     echo $ac_n "checking assembler supports ltoffx and ldxmov""... $ac_c" 1>&6
-echo "configure:8475: checking assembler supports ltoffx and ldxmov" >&5
+echo "configure:8489: checking assembler supports ltoffx and ldxmov" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_ltoffx_ldxmov_relocs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8516,7 +8530,7 @@ EOF
 esac
 
 echo $ac_n "checking assembler dwarf2 debug_line support""... $ac_c" 1>&6
-echo "configure:8520: checking assembler dwarf2 debug_line support" >&5
+echo "configure:8534: checking assembler dwarf2 debug_line support" >&5
 gcc_cv_as_dwarf2_debug_line=no
 # ??? Not all targets support dwarf2 debug_line, even within a version
 # of gas.  Moreover, we need to emit a valid instruction to trigger any
@@ -8578,7 +8592,7 @@ fi
 echo "$ac_t""$gcc_cv_as_dwarf2_debug_line" 1>&6
 
 echo $ac_n "checking assembler --gdwarf2 support""... $ac_c" 1>&6
-echo "configure:8582: checking assembler --gdwarf2 support" >&5
+echo "configure:8596: checking assembler --gdwarf2 support" >&5
 gcc_cv_as_gdwarf2_flag=no
 if test $in_tree_gas = yes ; then
    if test $gcc_cv_gas_major_version -eq 2 \
@@ -8612,7 +8626,7 @@ fi
 echo "$ac_t""$gcc_cv_as_gdwarf2_flag" 1>&6
 
 echo $ac_n "checking assembler --gstabs support""... $ac_c" 1>&6
-echo "configure:8616: checking assembler --gstabs support" >&5
+echo "configure:8630: checking assembler --gstabs support" >&5
 gcc_cv_as_gstabs_flag=no
 if test $in_tree_gas = yes ; then
    if test $gcc_cv_gas_major_version -eq 2 \
@@ -8645,7 +8659,7 @@ fi
 echo "$ac_t""$gcc_cv_as_gstabs_flag" 1>&6
 
 echo $ac_n "checking linker read-only and read-write section mixing""... $ac_c" 1>&6
-echo "configure:8649: checking linker read-only and read-write section mixing" >&5
+echo "configure:8663: 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 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then
@@ -8683,7 +8697,7 @@ 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:8687: checking linker PT_GNU_EH_FRAME support" >&5
+echo "configure:8701: 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 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then
@@ -8707,7 +8721,7 @@ echo "$ac_t""$gcc_cv_ld_eh_frame_hdr" 1>&6
 case "$target" in
   mips*-*-*)
     echo $ac_n "checking whether libgloss uses STARTUP directives consistently""... $ac_c" 1>&6
-echo "configure:8711: checking whether libgloss uses STARTUP directives consistently" >&5
+echo "configure:8725: 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
@@ -8912,7 +8926,7 @@ fi
 
 
 echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
-echo "configure:8916: checking whether to enable maintainer-specific portions of Makefiles" >&5
+echo "configure:8930: checking whether to enable maintainer-specific portions of Makefiles" >&5
     # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
 if test "${enable_maintainer_mode+set}" = set; then
   enableval="$enable_maintainer_mode"