configure.in: Change usage of 'head' to 'sed 1q'.

2003-09-09  Eric Christopher  <echristo@redhat.com>

	* configure.in: Change usage of 'head' to 'sed 1q'.
	* configure: Regenerate.

From-SVN: r71255

3 files changed, 52 insertions, 47 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index cc439d7..d5b7bb6 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2003-09-09  Eric Christopher  <echristo@redhat.com>
+
+	* configure.in: Change usage of 'head' to 'sed 1q'.
+	* configure: Regenerate.
+
 2003-09-09  Richard Henderson  <rth@redhat.com>
 
 	* except.c: Include cgraph.h.
@@ -253,13 +258,13 @@ Sun Sep  7 14:50:03 CEST 2003  Jan Hubicka  <jh@suse.cz>
 
 	* Makefile.in: Define $REMAKE to be $MAKE with LANGUAGES & BOOT_CFLAGS
 	and use it throughout.
-	
+
 2003-09-07  Jan Hubicka  <jh@suse.cz>
 
 	* cfgcleanup.c (try_simplify_condjump): Fix my previous patch.
 
 	* toplev.c  (rest_of_decl_compilation):  Do not finalize external
-	virables. 
+	virables.
 
 	* cgraph.c (cgraph_mark_reachable_node): Only enqueue finalized
 	functions.
diff --git a/gcc/configure b/gcc/configure
index 05dec41..8dbe3ed 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -2387,7 +2387,7 @@ 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=$2
@@ -6260,7 +6260,7 @@ else
   fi
 else
   gcc_cv_ld_hidden=yes
-  ld_ver=`$gcc_cv_ld --version 2>/dev/null | head -1`
+  ld_ver=`$gcc_cv_ld --version 2>/dev/null | sed 1q`
   if echo "$ld_ver" | grep GNU > /dev/null; then
     ld_vers=`echo $ld_ver | sed -n \
 	-e 's,^.*[	 ]\([0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
@@ -6337,7 +6337,7 @@ L2:' > conftest.s
   # ??? There exists an elf-specific test that will crash
   # the assembler.  Perhaps it's better to figure out whether
   # arbitrary sections are supported and try the test.
-  as_ver=`$gcc_cv_as --version 2>/dev/null | head -1`
+  as_ver=`$gcc_cv_as --version 2>/dev/null | sed 1q`
   if echo "$as_ver" | grep GNU > /dev/null; then
     as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
     as_major=`echo $as_ver | sed 's/\..*//'`
@@ -6693,7 +6693,7 @@ if test -z "$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""... $ac_c" 1>&6
-echo "configure:6670: checking assembler for thread-local storage support" >&5
+echo "configure:6697: checking assembler for thread-local storage support" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_tls'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6704,7 +6704,7 @@ else
 fi
   elif test x$gcc_cv_as != x; then
     echo "$conftest_s" > conftest.s
-    if { ac_try='$gcc_cv_as $tls_as_opt --fatal-warnings -o conftest.o conftest.s >&5'; { (eval echo configure:6681: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as $tls_as_opt --fatal-warnings -o conftest.o conftest.s >&5'; { (eval echo configure:6708: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	gcc_cv_as_tls=yes
     else
@@ -6730,7 +6730,7 @@ case "$target" in
   # All TARGET_ABI_OSF targets.
   alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
     echo $ac_n "checking assembler for explicit relocation support""... $ac_c" 1>&6
-echo "configure:6707: checking assembler for explicit relocation support" >&5
+echo "configure:6734: checking assembler for explicit relocation support" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_alpha_explicit_relocs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6753,7 +6753,7 @@ 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:6730: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6757: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	gcc_cv_as_alpha_explicit_relocs=yes
     else
@@ -6775,14 +6775,14 @@ fi
 
   sparc*-*-*)
     echo $ac_n "checking assembler for .register""... $ac_c" 1>&6
-echo "configure:6752: checking assembler for .register" >&5
+echo "configure:6779: checking assembler for .register" >&5
 if eval "test \"`echo '$''{'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='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6759: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6786: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	gcc_cv_as_sparc_register_op=yes
     else
@@ -6802,14 +6802,14 @@ EOF
 fi
 
     echo $ac_n "checking assembler for -relax option""... $ac_c" 1>&6
-echo "configure:6779: checking assembler for -relax option" >&5
+echo "configure:6806: checking assembler for -relax option" >&5
 if eval "test \"`echo '$''{'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='$gcc_cv_as -relax -o conftest.o conftest.s >&5'; { (eval echo configure:6786: \"$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:6813: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	gcc_cv_as_sparc_relax=yes
     else
@@ -6829,7 +6829,7 @@ EOF
 fi
 
     echo $ac_n "checking assembler for unaligned pcrel relocs""... $ac_c" 1>&6
-echo "configure:6806: checking assembler for unaligned pcrel relocs" >&5
+echo "configure:6833: checking assembler for unaligned pcrel relocs" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_sparc_ua_pcrel'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6842,7 +6842,7 @@ foo:
 .align 4
 .byte 0
 .uaword %r_disp32(foo)' > conftest.s
-    if { ac_try='$gcc_cv_as -K PIC -o conftest.o conftest.s >&5'; { (eval echo configure:6819: \"$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:6846: \"$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
@@ -6865,7 +6865,7 @@ EOF
 
 
       echo $ac_n "checking assembler for unaligned pcrel relocs against hidden symbols""... $ac_c" 1>&6
-echo "configure:6842: checking assembler for unaligned pcrel relocs against hidden symbols" >&5
+echo "configure:6869: checking assembler for unaligned pcrel relocs against hidden symbols" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_sparc_ua_pcrel_hidden'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6880,7 +6880,7 @@ else
 .hidden foo
 foo:
 .skip 4' > conftest.s
-    if { ac_try='$gcc_cv_as -K PIC -o conftest.o conftest.s >&5'; { (eval echo configure:6857: \"$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:6884: \"$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 \
@@ -6913,7 +6913,7 @@ fi
 fi # unaligned pcrel relocs
 
     echo $ac_n "checking assembler for offsetable %lo()""... $ac_c" 1>&6
-echo "configure:6890: checking assembler for offsetable %lo()" >&5
+echo "configure:6917: checking assembler for offsetable %lo()" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_sparc_offsetable_lo10'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6922,7 +6922,7 @@ else
     echo '.text
 	or %g1, %lo(ab) + 12, %g1
 	or %g1, %lo(ab + 12), %g1' > conftest.s
-    if { ac_try='$gcc_cv_as -xarch=v9 -o conftest.o conftest.s >&5'; { (eval echo configure:6899: \"$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:6926: \"$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 \
@@ -6948,7 +6948,7 @@ fi
 
   i[34567]86-*-* | x86_64-*-*)
     echo $ac_n "checking assembler for filds and fists mnemonics""... $ac_c" 1>&6
-echo "configure:6925: checking assembler for filds and fists mnemonics" >&5
+echo "configure:6952: checking assembler for filds and fists mnemonics" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_ix86_filds_fists'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6959,7 +6959,7 @@ else
 fi
   elif test x$gcc_cv_as != x; then
     echo 'filds mem; fists mem' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6936: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6963: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	gcc_cv_as_ix86_filds_fists=yes
     else
@@ -6979,14 +6979,14 @@ EOF
 fi
 
     echo $ac_n "checking assembler for cmov syntax""... $ac_c" 1>&6
-echo "configure:6956: checking assembler for cmov syntax" >&5
+echo "configure:6983: checking assembler for cmov syntax" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_ix86_cmov_sun_syntax'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   gcc_cv_as_ix86_cmov_sun_syntax=no
   if test x$gcc_cv_as != x; then
     echo 'cmovl.l %edx, %eax' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6963: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6990: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	gcc_cv_as_ix86_cmov_sun_syntax=yes
     else
@@ -7008,7 +7008,7 @@ 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""... $ac_c" 1>&6
-echo "configure:6985: checking assembler for GOTOFF in data" >&5
+echo "configure:7012: checking assembler for GOTOFF in data" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_ix86_gotoff_in_data'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7023,7 +7023,7 @@ fi
 	nop
 	.data
 	.long .L0@GOTOFF' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:7000: \"$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_ix86_gotoff_in_data=yes
     else
@@ -7044,7 +7044,7 @@ EOF
 
   ia64*-*-*)
     echo $ac_n "checking assembler for ltoffx and ldxmov relocs""... $ac_c" 1>&6
-echo "configure:7021: checking assembler for ltoffx and ldxmov relocs" >&5
+echo "configure:7048: checking assembler for ltoffx and ldxmov relocs" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_ia64_ltoffx_ldxmov_relocs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7058,7 +7058,7 @@ fi
 	addl r15 = @ltoffx(x#), gp
 	;;
 	ld8.mov r16 = [r15], x#' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:7035: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:7062: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	gcc_cv_as_ia64_ltoffx_ldxmov_relocs=yes
     else
@@ -7088,7 +7088,7 @@ fi
 	mfcr 3,128"
 
     echo $ac_n "checking assembler for mfcr field support""... $ac_c" 1>&6
-echo "configure:7065: checking assembler for mfcr field support" >&5
+echo "configure:7092: checking assembler for mfcr field support" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_powerpc_mfcrf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7099,7 +7099,7 @@ else
 fi
   elif test x$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:7076: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:7103: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	gcc_cv_as_powerpc_mfcrf=yes
     else
@@ -7121,7 +7121,7 @@ fi
 
   mips*-*-*)
     echo $ac_n "checking assembler for explicit relocation support""... $ac_c" 1>&6
-echo "configure:7098: checking assembler for explicit relocation support" >&5
+echo "configure:7125: checking assembler for explicit relocation support" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_mips_explicit_relocs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7132,7 +7132,7 @@ else
 fi
   elif test x$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:7109: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:7136: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	gcc_cv_as_mips_explicit_relocs=yes
     else
@@ -7178,7 +7178,7 @@ if test x"$insn" != x; then
 	.loc 1 3 0
 	$insn"
  echo $ac_n "checking assembler for dwarf2 debug_line support""... $ac_c" 1>&6
-echo "configure:7155: checking assembler for dwarf2 debug_line support" >&5
+echo "configure:7182: checking assembler for dwarf2 debug_line support" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_dwarf2_debug_line'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7190,7 +7190,7 @@ else
 fi
   elif test x$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:7167: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:7194: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	# ??? This fails with non-gnu grep.  Maybe use objdump?
    if grep debug_line conftest.o > /dev/null 2>&1; then
@@ -7212,7 +7212,7 @@ echo "$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""... $ac_c" 1>&6
-echo "configure:7189: checking assembler for buggy dwarf2 .file directive" >&5
+echo "configure:7216: checking assembler for buggy dwarf2 .file directive" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_dwarf2_file_buggy'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7220,7 +7220,7 @@ else
   if test x$gcc_cv_as != x; then
     echo '	.file 1 "foo.s"
 	.file 1 "bar.s"' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:7197: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:7224: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	gcc_cv_as_dwarf2_file_buggy=yes
     else
@@ -7243,7 +7243,7 @@ EOF
  fi
 
  echo $ac_n "checking assembler for --gdwarf2 option""... $ac_c" 1>&6
-echo "configure:7220: checking assembler for --gdwarf2 option" >&5
+echo "configure:7247: checking assembler for --gdwarf2 option" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_gdwarf2_flag'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7255,7 +7255,7 @@ else
 fi
   elif test x$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:7232: \"$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:7259: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	gcc_cv_as_gdwarf2_flag=yes
     else
@@ -7275,7 +7275,7 @@ EOF
 fi
 
  echo $ac_n "checking assembler for --gstabs option""... $ac_c" 1>&6
-echo "configure:7252: checking assembler for --gstabs option" >&5
+echo "configure:7279: checking assembler for --gstabs option" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_gstabs_flag'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7287,12 +7287,12 @@ else
 fi
   elif test x$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:7264: \"$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:7291: \"$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:7269: \"$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:7296: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
    then :
    else gcc_cv_as_gstabs_flag=yes
    fi
@@ -7314,7 +7314,7 @@ fi
 fi
 
 echo $ac_n "checking linker read-only and read-write section mixing""... $ac_c" 1>&6
-echo "configure:7291: checking linker read-only and read-write section mixing" >&5
+echo "configure:7318: 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 \
@@ -7353,7 +7353,7 @@ 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:7330: checking linker PT_GNU_EH_FRAME support" >&5
+echo "configure:7357: 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 \
@@ -7375,7 +7375,7 @@ 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:7352: checking linker position independent executable support" >&5
+echo "configure:7379: 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 \
@@ -7400,7 +7400,7 @@ 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:7377: checking whether libgloss uses STARTUP directives consistently" >&5
+echo "configure:7404: 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
@@ -7602,7 +7602,7 @@ fi
 
 
 echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
-echo "configure:7579: checking whether to enable maintainer-specific portions of Makefiles" >&5
+echo "configure:7606: checking whether to enable maintainer-specific portions of Makefiles" >&5
     # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
 if test "${enable_maintainer_mode+set}" = set; then
   enableval="$enable_maintainer_mode"
diff --git a/gcc/configure.in b/gcc/configure.in
index b0926a7..20a2c35 100644
--- a/gcc/configure.in
+++ b/gcc/configure.in
@@ -1820,7 +1820,7 @@ AC_CACHE_CHECK(linker for .hidden support, gcc_cv_ld_hidden,
   fi
 else
   gcc_cv_ld_hidden=yes
-  ld_ver=`$gcc_cv_ld --version 2>/dev/null | head -1`
+  ld_ver=`$gcc_cv_ld --version 2>/dev/null | sed 1q`
   if echo "$ld_ver" | grep GNU > /dev/null; then
 changequote(,)dnl
     ld_vers=`echo $ld_ver | sed -n \
@@ -1882,7 +1882,7 @@ L2:],
   # ??? There exists an elf-specific test that will crash
   # the assembler.  Perhaps it's better to figure out whether
   # arbitrary sections are supported and try the test.
-  as_ver=`$gcc_cv_as --version 2>/dev/null | head -1`
+  as_ver=`$gcc_cv_as --version 2>/dev/null | sed 1q`
   if echo "$as_ver" | grep GNU > /dev/null; then
 changequote(,)dnl
     as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`