* sysdeps/powerpc/fpu/fenv_libc.h: Add libm_hidden_proto for

	__fe_nomask_env.
	* sysdeps/powerpc/fpu/fe_nomask.c: Add libm_hidden_def.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_nomask.c: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c: Likewise.

	* sysdeps/powerpc/bits/fenv.h: Make safe for C++.

	* sysdeps/unix/sysv/linux/powerpc/bits/mathinline.h: New file.
	* sysdeps/powerpc/fpu/fegetexcept.c (__fegetexcept): Rename
	function from fegetexcept and make old name weak alias.
	* include/fenv.h: Declare __fegetexcept.
	* sysdeps/powerpc/fpu/fedisblxcpt.c: Use __fegetexcept instead of
	fegetexcept.
	* sysdeps/powerpc/fpu/feenablxcpt.c: Likewise.
	* sysdeps/powerpc/fpu/fraiseexcpt.c (__feraiseexcept): Avoid call
	to fetestexcept.
	* sysdeps/ieee754/ldbl-128ibm/s_log1pl.c (__log1pl): Use __frexpl
	instead of frexpl to avoid local PLT.
	* math/s_significandl.c (__significandl): Use __ilogbl instead of
	ilogbl to avoid local PLT.
	* sysdeps/ieee754/ldbl-128ibm/s_expm1l.c (__expm1l): Use __ldexpl
	instead of ldexpl to avoid local PLT.
	* sysdeps/ieee754/ldbl-128ibm/e_expl.c (__ieee754_expl): Use
	__roundl not roundl to avoid local PLT.
	* sysdeps/ieee754/ldbl-128/e_j0l.c: Use function names which avoid
	local PLTs.  Use __sincosl instead of separate sinl and cosl
	calls.
	* sysdeps/ieee754/ldbl-128/e_j1l.c: Likewise.

16 files changed, 356 insertions, 73 deletions

diff --git a/sysdeps/ieee754/ldbl-128/e_j0l.c b/sysdeps/ieee754/ldbl-128/e_j0l.c
index 67ef371153..f235372916 100644
--- a/sysdeps/ieee754/ldbl-128/e_j0l.c
+++ b/sysdeps/ieee754/ldbl-128/e_j0l.c
@@ -768,16 +768,15 @@ __ieee754_j0l (long double x)
      = 1/sqrt(2) * (sin(x) - cos(x))
      sin(x) +- cos(x) = -cos(2x)/(sin(x) -+ cos(x))
      cf. Fdlibm.  */
-  c = cosl (xx);
-  s = sinl (xx);
+  __sincosl (xx, &s, &c);
   ss = s - c;
   cc = s + c;
-  z = -cosl (xx + xx);
+  z = -__cosl (xx + xx);
   if ((s * c) < 0)
     cc = z / ss;
   else
     ss = z / cc;
-  z = ONEOSQPI * (p * cc - q * ss) / sqrtl (xx);
+  z = ONEOSQPI * (p * cc - q * ss) / __ieee754_sqrtl (xx);
   return z;
 }
 
@@ -836,7 +835,7 @@ long double
       /* 0 <= x <= 2 */
       z = xx * xx;
       p = neval (z, Y0_2N, NY0_2N) / deval (z, Y0_2D, NY0_2D);
-      p = TWOOPI * logl(x) * __ieee754_j0l(x) + p;
+      p = TWOOPI * __ieee754_logl (x) * __ieee754_j0l (x) + p;
       return p;
     }
 
@@ -908,15 +907,14 @@ long double
      = 1/sqrt(2) * (sin(x) - cos(x))
      sin(x) +- cos(x) = -cos(2x)/(sin(x) -+ cos(x))
      cf. Fdlibm.  */
-  c = cosl (x);
-  s = sinl (x);
+  __sincosl (x, &s, &c);
   ss = s - c;
   cc = s + c;
-  z = -cosl (x + x);
+  z = -__cosl (x + x);
   if ((s * c) < 0)
     cc = z / ss;
   else
     ss = z / cc;
-  z = ONEOSQPI * (p * ss + q * cc) / sqrtl (x);
+  z = ONEOSQPI * (p * ss + q * cc) / __ieee754_sqrtl (x);
   return z;
 }
diff --git a/sysdeps/ieee754/ldbl-128/e_j1l.c b/sysdeps/ieee754/ldbl-128/e_j1l.c
index 3a977c2a84..7ec073d9e2 100644
--- a/sysdeps/ieee754/ldbl-128/e_j1l.c
+++ b/sysdeps/ieee754/ldbl-128/e_j1l.c
@@ -773,16 +773,15 @@ __ieee754_j1l (long double x)
      sin(X) = sin(x) cos(3 pi/4) - cos(x) sin(3 pi/4)
      = -1/sqrt(2) * (sin(x) + cos(x))
      cf. Fdlibm.  */
-  c = cosl (xx);
-  s = sinl (xx);
+  __sincosl (xx, &s, &c);
   ss = -s - c;
   cc = s - c;
-  z = cosl (xx + xx);
+  z = __cosl (xx + xx);
   if ((s * c) > 0)
     cc = z / ss;
   else
     ss = z / cc;
-  z = ONEOSQPI * (p * cc - q * ss) / sqrtl (xx);
+  z = ONEOSQPI * (p * cc - q * ss) / __ieee754_sqrtl (xx);
   if (x < 0)
     z = -z;
   return z;
@@ -844,7 +843,7 @@ __ieee754_y1l (long double x)
       z = xx * xx;
       p = xx * neval (z, Y0_2N, NY0_2N) / deval (z, Y0_2D, NY0_2D);
       p = -TWOOPI / xx + p;
-      p = TWOOPI * logl(x) * __ieee754_j1l (x) + p;
+      p = TWOOPI * __ieee754_logl (x) * __ieee754_j1l (x) + p;
       return p;
     }
 
@@ -915,15 +914,14 @@ __ieee754_y1l (long double x)
      sin(X) = sin(x) cos(3 pi/4) - cos(x) sin(3 pi/4)
      = -1/sqrt(2) * (sin(x) + cos(x))
      cf. Fdlibm.  */
-  c = cosl (xx);
-  s = sinl (xx);
+  __sincosl (xx, &s, &c);
   ss = -s - c;
   cc = s - c;
-  z = cosl (xx + xx);
+  z = __cosl (xx + xx);
   if ((s * c) > 0)
     cc = z / ss;
   else
     ss = z / cc;
-  z = ONEOSQPI * (p * ss + q * cc) / sqrtl (xx);
+  z = ONEOSQPI * (p * ss + q * cc) / __ieee754_sqrtl (xx);
   return z;
 }
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_expl.c b/sysdeps/ieee754/ldbl-128ibm/e_expl.c
index 3c4088f75f..daf2cba323 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_expl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_expl.c
@@ -1,5 +1,5 @@
 /* Quad-precision floating point e^x.
-   Copyright (C) 1999,2004,2006 Free Software Foundation, Inc.
+   Copyright (C) 1999,2004,2006, 2008 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Jakub Jelinek <jj@ultra.linux.cz>
    Partly based on double-precision code
@@ -148,15 +148,15 @@ __ieee754_expl (long double x)
       fesetround (FE_TONEAREST);
 #endif
 
-      n = roundl(x*M_1_LN2);
+      n = __roundl (x*M_1_LN2);
       x = x-n*M_LN2_0;
       xl = n*M_LN2_1;
 
-      tval1 = roundl(x*TWO8);
+      tval1 = __roundl (x*TWO8);
       x -= __expl_table[T_EXPL_ARG1+2*tval1];
       xl -= __expl_table[T_EXPL_ARG1+2*tval1+1];
 
-      tval2 = roundl(x*TWO15);
+      tval2 = __roundl (x*TWO15);
       x -= __expl_table[T_EXPL_ARG2+2*tval2];
       xl -= __expl_table[T_EXPL_ARG2+2*tval2+1];
 
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_expm1l.c b/sysdeps/ieee754/ldbl-128ibm/s_expm1l.c
index 4908d4e4f3..735006575f 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_expm1l.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_expm1l.c
@@ -152,7 +152,7 @@ __expm1l (long double x)
   exp(x) - 1 = 2^k (qx + 1) - 1
              = 2^k qx + 2^k - 1.  */
 
-  px = ldexpl (1.0L, k);
+  px = __ldexpl (1.0L, k);
   x = px * qx + (px - 1.0);
   return x;
 }
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_log1pl.c b/sysdeps/ieee754/ldbl-128ibm/s_log1pl.c
index f1863fb688..5ccf541b71 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_log1pl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_log1pl.c
@@ -121,12 +121,6 @@ static const long double maxlog = 1.1356523406294143949491931077970764891253E4L;
 static const long double big = 2e300L;
 static const long double zero = 0.0L;
 
-#if 1
-/* Make sure these are prototyped.  */
-long double frexpl (long double, int *);
-long double ldexpl (long double, int);
-#endif
-
 
 long double
 __log1pl (long double xm1)
@@ -161,7 +155,7 @@ __log1pl (long double xm1)
   /* Separate mantissa from exponent.  */
 
   /* Use frexp used so that denormal numbers will be handled properly.  */
-  x = frexpl (x, &e);
+  x = __frexpl (x, &e);
 
   /* Logarithm using log(x) = z + z^3 P(z^2)/Q(z^2),
      where z = 2(x-1)/x+1).  */
diff --git a/sysdeps/powerpc/bits/fenv.h b/sysdeps/powerpc/bits/fenv.h
index 10582a6ff6..1a5720abe6 100644
--- a/sysdeps/powerpc/bits/fenv.h
+++ b/sysdeps/powerpc/bits/fenv.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 1999, 2008 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -136,6 +136,8 @@ extern const fenv_t __fe_enabled_env;
 extern const fenv_t __fe_nonieee_env;
 # define FE_NONIEEE_ENV	(&__fe_nonieee_env)
 
+__BEGIN_DECLS
+
 /* Floating-point environment with all exceptions enabled.  Note that
    just evaluating this value does not change the processor exception mode.
    Passing this mask to fesetenv will result in a prctl syscall to change
@@ -152,4 +154,7 @@ extern const fenv_t *__fe_nomask_env (void);
    this allows the fastest possible floating point execution.*/
 extern const fenv_t *__fe_mask_env (void);
 # define FE_MASK_ENV	FE_DFL_ENV
+
+__END_DECLS
+
 #endif
diff --git a/sysdeps/powerpc/fpu/fe_nomask.c b/sysdeps/powerpc/fpu/fe_nomask.c
index 3cccee1d06..bc18bb8f80 100644
--- a/sysdeps/powerpc/fpu/fe_nomask.c
+++ b/sysdeps/powerpc/fpu/fe_nomask.c
@@ -1,5 +1,5 @@
 /* Procedure definition for FE_NOMASK_ENV.
-   Copyright (C) 1997 Free Software Foundation, Inc.
+   Copyright (C) 1997, 2008 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -17,7 +17,7 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
-#include <fenv.h>
+#include <fenv_libc.h>
 #include <errno.h>
 
 /* This is a generic stub. An OS specific override is required to set
@@ -30,4 +30,5 @@ __fe_nomask_env(void)
   __set_errno (ENOSYS);
   return FE_ENABLED_ENV;
 }
+libm_hidden_def (__fe_nomask_env)
 stub_warning (__fe_nomask_env)
diff --git a/sysdeps/powerpc/fpu/fedisblxcpt.c b/sysdeps/powerpc/fpu/fedisblxcpt.c
index 3002b1b4cc..9df4bbc7ef 100644
--- a/sysdeps/powerpc/fpu/fedisblxcpt.c
+++ b/sysdeps/powerpc/fpu/fedisblxcpt.c
@@ -1,5 +1,5 @@
 /* Disable floating-point exceptions.
-   Copyright (C) 2000 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2008 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Geoffrey Keating <geoffk@geoffk.org>, 2000.
 
@@ -26,7 +26,7 @@ fedisableexcept (int excepts)
   fenv_union_t fe;
   int result, new;
 
-  result = fegetexcept ();
+  result = __fegetexcept ();
 
   if ((excepts & FE_ALL_INVALID) == FE_ALL_INVALID)
     excepts = (excepts | FE_INVALID) & ~ FE_ALL_INVALID;
@@ -44,7 +44,7 @@ fedisableexcept (int excepts)
     fe.l[1] &= ~(1 << (31 - FPSCR_VE));
   fesetenv_register (fe.fenv);
 
-  new = fegetexcept ();
+  new = __fegetexcept ();
   if (new == 0 && result != 0)
     (void)__fe_mask_env ();
 
diff --git a/sysdeps/powerpc/fpu/feenablxcpt.c b/sysdeps/powerpc/fpu/feenablxcpt.c
index 7bff18b421..4875e95e32 100644
--- a/sysdeps/powerpc/fpu/feenablxcpt.c
+++ b/sysdeps/powerpc/fpu/feenablxcpt.c
@@ -1,5 +1,5 @@
 /* Enable floating-point exceptions.
-   Copyright (C) 2000 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2008 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Geoffrey Keating <geoffk@geoffk.org>, 2000.
 
@@ -26,7 +26,7 @@ feenableexcept (int excepts)
   fenv_union_t fe;
   int result, new;
 
-  result = fegetexcept ();
+  result = __fegetexcept ();
 
   if ((excepts & FE_ALL_INVALID) == FE_ALL_INVALID)
     excepts = (excepts | FE_INVALID) & ~ FE_ALL_INVALID;
@@ -44,7 +44,7 @@ feenableexcept (int excepts)
     fe.l[1] |= (1 << (31 - FPSCR_VE));
   fesetenv_register (fe.fenv);
 
-  new = fegetexcept ();
+  new = __fegetexcept ();
   if (new != 0 && result == 0)
     (void)__fe_nomask_env ();
 
diff --git a/sysdeps/powerpc/fpu/fegetexcept.c b/sysdeps/powerpc/fpu/fegetexcept.c
index 0b5cebb6dd..c85cb1b222 100644
--- a/sysdeps/powerpc/fpu/fegetexcept.c
+++ b/sysdeps/powerpc/fpu/fegetexcept.c
@@ -1,5 +1,5 @@
 /* Get floating-point exceptions.
-   Copyright (C) 2000 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2008 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Geoffrey Keating <geoffk@geoffk.org>, 2000.
 
@@ -21,13 +21,13 @@
 #include <fenv_libc.h>
 
 int
-fegetexcept (void)
+__fegetexcept (void)
 {
   fenv_union_t fe;
   int result = 0;
 
   fe.fenv = fegetenv_register ();
- 
+
   if (fe.l[1] & (1 << (31 - FPSCR_XE)))
       result |= FE_INEXACT;
   if (fe.l[1] & (1 << (31 - FPSCR_ZE)))
@@ -41,3 +41,4 @@ fegetexcept (void)
 
   return result;
 }
+weak_alias (__fegetexcept, fegetexcept)
diff --git a/sysdeps/powerpc/fpu/fenv_libc.h b/sysdeps/powerpc/fpu/fenv_libc.h
index fd5fc0c767..6f116b60d5 100644
--- a/sysdeps/powerpc/fpu/fenv_libc.h
+++ b/sysdeps/powerpc/fpu/fenv_libc.h
@@ -1,5 +1,5 @@
 /* Internal libc stuff for floating point environment routines.
-   Copyright (C) 1997, 2006 Free Software Foundation, Inc.
+   Copyright (C) 1997, 2006, 2008 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -22,6 +22,8 @@
 
 #include <fenv.h>
 
+libm_hidden_proto (__fe_nomask_env)
+
 /* The sticky bits in the FPSCR indicating exceptions have occurred.  */
 #define FPSCR_STICKY_BITS ((FE_ALL_EXCEPT | FE_ALL_INVALID) & ~FE_INVALID)
 
@@ -137,5 +139,5 @@ enum {
    ({ float f; asm volatile ("fmuls %0,%1,%2" \
 			     : "=f"(f) \
 			     : "f" (x), "f"((float)1.0)); f; })
- 
+
 #endif /* fenv_libc.h */
diff --git a/sysdeps/powerpc/fpu/fraiseexcpt.c b/sysdeps/powerpc/fpu/fraiseexcpt.c
index dbe36c3d5a..2d983d97c7 100644
--- a/sysdeps/powerpc/fpu/fraiseexcpt.c
+++ b/sysdeps/powerpc/fpu/fraiseexcpt.c
@@ -1,5 +1,5 @@
 /* Raise given exceptions.
-   Copyright (C) 1997,99,2000,01,02 Free Software Foundation, Inc.
+   Copyright (C) 1997,1999-2002, 2008 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -45,12 +45,15 @@ __feraiseexcept (int excepts)
      triggering any appropriate exceptions.  */
   fesetenv_register (u.fenv);
 
-  if ((excepts & FE_INVALID)
+  if ((excepts & FE_INVALID))
+    {
       /* For some reason, some PowerPC chips (the 601, in particular)
 	 don't have FE_INVALID_SOFTWARE implemented.  Detect this
 	 case and raise FE_INVALID_SNAN instead.  */
-      && !fetestexcept (FE_INVALID))
-    set_fpscr_bit (FPSCR_VXSNAN);
+      u.fenv = fegetenv_register ();
+      if ((u.l[1] & FE_INVALID) == 0)
+	set_fpscr_bit (FPSCR_VXSNAN);
+    }
 
   /* Success.  */
   return 0;
diff --git a/sysdeps/unix/sysv/linux/configure b/sysdeps/unix/sysv/linux/configure
index a8a9cc4702..253e9c57ff 100644
--- a/sysdeps/unix/sysv/linux/configure
+++ b/sysdeps/unix/sysv/linux/configure
@@ -22,23 +22,170 @@ if test -n "$sysheaders"; then
 fi
 
 
-echo "$as_me:$LINENO: checking for egrep" >&5
-echo $ECHO_N "checking for egrep... $ECHO_C" >&6
-if test "${ac_cv_prog_egrep+set}" = set; then
+{ echo "$as_me:$LINENO: checking for grep that handles long lines and -e" >&5
+echo $ECHO_N "checking for grep that handles long lines and -e... $ECHO_C" >&6; }
+if test "${ac_cv_path_GREP+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  if echo a | (grep -E '(a|b)') >/dev/null 2>&1
-    then ac_cv_prog_egrep='grep -E'
-    else ac_cv_prog_egrep='egrep'
+  # Extract the first word of "grep ggrep" to use in msg output
+if test -z "$GREP"; then
+set dummy grep ggrep; ac_prog_name=$2
+if test "${ac_cv_path_GREP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_path_GREP_found=false
+# Loop through the user's path and test for each of PROGNAME-LIST
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_prog in grep ggrep; do
+  for ac_exec_ext in '' $ac_executable_extensions; do
+    ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
+    { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
+    # Check for GNU ac_path_GREP and select it if it is found.
+  # Check for GNU $ac_path_GREP
+case `"$ac_path_GREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
+*)
+  ac_count=0
+  echo $ECHO_N "0123456789$ECHO_C" >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    echo 'GREP' >> "conftest.nl"
+    "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    ac_count=`expr $ac_count + 1`
+    if test $ac_count -gt ${ac_path_GREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_GREP="$ac_path_GREP"
+      ac_path_GREP_max=$ac_count
     fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+
+    $ac_path_GREP_found && break 3
+  done
+done
+
+done
+IFS=$as_save_IFS
+
+
+fi
+
+GREP="$ac_cv_path_GREP"
+if test -z "$GREP"; then
+  { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
+echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
+   { (exit 1); exit 1; }; }
 fi
-echo "$as_me:$LINENO: result: $ac_cv_prog_egrep" >&5
-echo "${ECHO_T}$ac_cv_prog_egrep" >&6
- EGREP=$ac_cv_prog_egrep
+
+else
+  ac_cv_path_GREP=$GREP
+fi
+
+
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_path_GREP" >&5
+echo "${ECHO_T}$ac_cv_path_GREP" >&6; }
+ GREP="$ac_cv_path_GREP"
 
 
-echo "$as_me:$LINENO: checking installed Linux kernel header files" >&5
-echo $ECHO_N "checking installed Linux kernel header files... $ECHO_C" >&6
+{ echo "$as_me:$LINENO: checking for egrep" >&5
+echo $ECHO_N "checking for egrep... $ECHO_C" >&6; }
+if test "${ac_cv_path_EGREP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
+   then ac_cv_path_EGREP="$GREP -E"
+   else
+     # Extract the first word of "egrep" to use in msg output
+if test -z "$EGREP"; then
+set dummy egrep; ac_prog_name=$2
+if test "${ac_cv_path_EGREP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_path_EGREP_found=false
+# Loop through the user's path and test for each of PROGNAME-LIST
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_prog in egrep; do
+  for ac_exec_ext in '' $ac_executable_extensions; do
+    ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
+    { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
+    # Check for GNU ac_path_EGREP and select it if it is found.
+  # Check for GNU $ac_path_EGREP
+case `"$ac_path_EGREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
+*)
+  ac_count=0
+  echo $ECHO_N "0123456789$ECHO_C" >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    echo 'EGREP' >> "conftest.nl"
+    "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    ac_count=`expr $ac_count + 1`
+    if test $ac_count -gt ${ac_path_EGREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_EGREP="$ac_path_EGREP"
+      ac_path_EGREP_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+
+    $ac_path_EGREP_found && break 3
+  done
+done
+
+done
+IFS=$as_save_IFS
+
+
+fi
+
+EGREP="$ac_cv_path_EGREP"
+if test -z "$EGREP"; then
+  { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
+echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
+else
+  ac_cv_path_EGREP=$EGREP
+fi
+
+
+   fi
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_path_EGREP" >&5
+echo "${ECHO_T}$ac_cv_path_EGREP" >&6; }
+ EGREP="$ac_cv_path_EGREP"
+
+
+{ echo "$as_me:$LINENO: checking installed Linux kernel header files" >&5
+echo $ECHO_N "checking installed Linux kernel header files... $ECHO_C" >&6; }
 if test "${libc_cv_linux2010+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
@@ -62,8 +209,8 @@ fi
 rm -f conftest*
 
 fi
-echo "$as_me:$LINENO: result: $libc_cv_linux2010" >&5
-echo "${ECHO_T}$libc_cv_linux2010" >&6
+{ echo "$as_me:$LINENO: result: $libc_cv_linux2010" >&5
+echo "${ECHO_T}$libc_cv_linux2010" >&6; }
 if test "$libc_cv_linux2010" != '2.0.10 or later'; then
   { { echo "$as_me:$LINENO: error: GNU libc requires kernel header files from
 Linux 2.0.10 or later to be installed before configuring.
@@ -120,7 +267,7 @@ case "$machine" in
     arch_minimum_kernel=2.0.10
     ;;
   powerpc/powerpc64)
-    arch_minimum_kernel=2.4.19
+    arch_minimum_kernel=2.4.21
     ;;
   s390/s390-32)
     libc_cv_gcc_unwind_find_fde=yes
@@ -166,8 +313,8 @@ else
 fi
 
 if test -n "$minimum_kernel"; then
-  echo "$as_me:$LINENO: checking for kernel header at least $minimum_kernel" >&5
-echo $ECHO_N "checking for kernel header at least $minimum_kernel... $ECHO_C" >&6
+  { echo "$as_me:$LINENO: checking for kernel header at least $minimum_kernel" >&5
+echo $ECHO_N "checking for kernel header at least $minimum_kernel... $ECHO_C" >&6; }
   decnum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/(\1 * 65536 + \2 * 256 + \3)/'`;
   abinum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1,\2,\3/'`;
   cat >conftest.$ac_ext <<_ACEOF
@@ -189,8 +336,8 @@ else
 fi
 rm -f conftest*
 
-  echo "$as_me:$LINENO: result: $libc_minimum_kernel" >&5
-echo "${ECHO_T}$libc_minimum_kernel" >&6
+  { echo "$as_me:$LINENO: result: $libc_minimum_kernel" >&5
+echo "${ECHO_T}$libc_minimum_kernel" >&6; }
   if test "$libc_minimum_kernel" = ok; then
     cat >>confdefs.h <<_ACEOF
 #define __LINUX_KERNEL_VERSION $decnum
@@ -333,8 +480,8 @@ if test $host = $build; then
   else
     ac_prefix=$ac_default_prefix
   fi
-  echo "$as_me:$LINENO: checking for symlinks in ${ac_prefix}/include" >&5
-echo $ECHO_N "checking for symlinks in ${ac_prefix}/include... $ECHO_C" >&6
+  { echo "$as_me:$LINENO: checking for symlinks in ${ac_prefix}/include" >&5
+echo $ECHO_N "checking for symlinks in ${ac_prefix}/include... $ECHO_C" >&6; }
   ac_message=
   if test -L ${ac_prefix}/include/net; then
     ac_message="$ac_message
@@ -355,8 +502,8 @@ Delete the links and re-run configure, or better still, move the entire
 ${ac_prefix}/include directory out of the way." >&2;}
    { (exit 1); exit 1; }; }
   else
-    echo "$as_me:$LINENO: result: ok" >&5
-echo "${ECHO_T}ok" >&6
+    { echo "$as_me:$LINENO: result: ok" >&5
+echo "${ECHO_T}ok" >&6; }
   fi
 fi
 
diff --git a/sysdeps/unix/sysv/linux/powerpc/bits/mathinline.h b/sysdeps/unix/sysv/linux/powerpc/bits/mathinline.h
new file mode 100644
index 0000000000..6d7e006307
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/powerpc/bits/mathinline.h
@@ -0,0 +1,132 @@
+/* Inline math functions for powerpc.
+   Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2004, 2006, 2007, 2008
+   Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _MATH_H
+# error "Never use <bits/mathinline.h> directly; include <math.h> instead."
+#endif
+
+#ifndef __extern_inline
+# define __MATH_INLINE __inline
+#else
+# define __MATH_INLINE __extern_inline
+#endif  /* __cplusplus */
+
+#if defined __GNUC__ && !defined _SOFT_FLOAT
+
+#ifdef __USE_ISOC99
+# if !__GNUC_PREREQ (2,97)
+#  define __unordered_cmp(x, y) \
+  (__extension__							      \
+   ({ __typeof__(x) __x = (x); __typeof__(y) __y = (y);			      \
+      unsigned __r;							      \
+      __asm__("fcmpu 7,%1,%2 ; mfcr %0" : "=r" (__r) : "f" (__x), "f"(__y)    \
+              : "cr7");  \
+      __r; }))
+
+#  undef isgreater
+#  undef isgreaterequal
+#  undef isless
+#  undef islessequal
+#  undef islessgreater
+#  undef isunordered
+
+#  define isgreater(x, y) (__unordered_cmp (x, y) >> 2 & 1)
+#  define isgreaterequal(x, y) ((__unordered_cmp (x, y) & 6) != 0)
+#  define isless(x, y) (__unordered_cmp (x, y) >> 3 & 1)
+#  define islessequal(x, y) ((__unordered_cmp (x, y) & 0xA) != 0)
+#  define islessgreater(x, y) ((__unordered_cmp (x, y) & 0xC) != 0)
+#  define isunordered(x, y) (__unordered_cmp (x, y) & 1)
+
+# endif /* __GNUC_PREREQ (2,97) */
+
+/* The gcc, version 2.7 or below, has problems with all this inlining
+   code.  So disable it for this version of the compiler.  */
+# if __GNUC_PREREQ (2, 8)
+/* Test for negative number.  Used in the signbit() macro.  */
+__MATH_INLINE int
+__NTH (__signbitf (float __x))
+{
+  __extension__ union { float __f; int __i; } __u = { __f: __x };
+  return __u.__i < 0;
+}
+__MATH_INLINE int
+__NTH (__signbit (double __x))
+{
+  __extension__ union { double __d; int __i[2]; } __u = { __d: __x };
+  return __u.__i[0] < 0;
+}
+#  if defined __powerpc64__ && defined __LONGDOUBLE128
+__MATH_INLINE int
+__NTH (__signbitl (long double __x))
+{
+  __extension__ union { long double __d; long int __i[2]; } __u = { __d: __x };
+  return __u.__i[0] < 0;
+}
+#  endif
+# endif
+#endif /* __USE_ISOC99 */
+
+#if !defined __NO_MATH_INLINES && defined __OPTIMIZE__
+
+#ifdef __USE_ISOC99
+
+# ifndef __powerpc64__
+__MATH_INLINE long int lrint (double __x) __THROW;
+__MATH_INLINE long int
+__NTH (lrint (double __x))
+{
+  union {
+    double __d;
+    int __ll[2];
+  } __u;
+  __asm__ ("fctiw %0,%1" : "=f"(__u.__d) : "f"(__x));
+  return __u.__ll[1];
+}
+
+__MATH_INLINE long int lrintf (float __x) __THROW;
+__MATH_INLINE long int
+__NTH (lrintf (float __x))
+{
+  union {
+    double __d;
+    int __ll[2];
+  } __u;
+  __asm__ ("fctiw %0,%1" : "=f"(__u.__d) : "f"(__x));
+  return __u.__ll[1];
+}
+# endif
+
+__MATH_INLINE double fdim (double __x, double __y) __THROW;
+__MATH_INLINE double
+__NTH (fdim (double __x, double __y))
+{
+  return __x <= __y ? 0 : __x - __y;
+}
+
+__MATH_INLINE float fdimf (float __x, float __y) __THROW;
+__MATH_INLINE float
+__NTH (fdimf (float __x, float __y))
+{
+  return __x <= __y ? 0 : __x - __y;
+}
+
+#endif /* __USE_ISOC99 */
+#endif /* !__NO_MATH_INLINES && __OPTIMIZE__ */
+#endif /* __GNUC__ && !_SOFT_FLOAT */
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_nomask.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_nomask.c
index 8d3b9ad1f4..95baa3acc2 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_nomask.c
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_nomask.c
@@ -1,5 +1,5 @@
 /* Procedure definition for FE_NOMASK_ENV for Linux/ppc.
-   Copyright (C) 2000, 2006 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2006, 2008 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -66,3 +66,4 @@ __fe_nomask_env (void)
 
   return FE_ENABLED_ENV;
 }
+libm_hidden_def (__fe_nomask_env)
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c
index 62f735514a..d0cf8596e1 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c
@@ -1,5 +1,5 @@
 /* Procedure definition for FE_NOMASK_ENV for Linux/ppc64.
-   Copyright (C) 2003, 2006 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2006, 2008 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -17,7 +17,7 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
-#include <fenv.h>
+#include <fenv_libc.h>
 #include <errno.h>
 #include <sysdep.h>
 #include <sys/syscall.h>
@@ -41,3 +41,4 @@ __fe_nomask_env (void)
 #endif
   return FE_ENABLED_ENV;
 }
+libm_hidden_def (__fe_nomask_env)