9 files changed, 23 insertions, 25 deletions
diff --git a/sysdeps/libm-ieee754/e_pow.c b/sysdeps/libm-ieee754/e_pow.c
index 02b16c5171..1e1496f00d 100644
--- a/sysdeps/libm-ieee754/e_pow.c
+++ b/sysdeps/libm-ieee754/e_pow.c
@@ -266,7 +266,7 @@ C[] = {
 	    r2 = C[8]+s2*C[9]; s24=s22*s22;
 	    r3 = C[6]+s2*C[7]; s26=s24*s22;
             r = r3*s22 + r2*s24 + r1*s26;
-#endfi
+#endif
 	    r += s_l*(s_h+s);
 	    s2  = s_h*s_h;
 	    t_h = 3.0+s2+r;
diff --git a/sysdeps/libm-ieee754/s_expm1.c b/sysdeps/libm-ieee754/s_expm1.c
index ed1aba527b..df6b1e4df0 100644
--- a/sysdeps/libm-ieee754/s_expm1.c
+++ b/sysdeps/libm-ieee754/s_expm1.c
@@ -120,7 +120,6 @@ static const double
 #else
 static double
 #endif
-one		= 1.0,
 huge		= 1.0e+300,
 tiny		= 1.0e-300,
 o_threshold	= 7.09782712893383973096e+02,/* 0x40862E42, 0xFEFA39EF */
diff --git a/sysdeps/libm-ieee754/s_signgam.c b/sysdeps/libm-ieee754/s_signgam.c
index 2ab5924a2a..021b0ffca1 100644
--- a/sysdeps/libm-ieee754/s_signgam.c
+++ b/sysdeps/libm-ieee754/s_signgam.c
@@ -1,4 +1,3 @@
 #include "math.h"
 #include "math_private.h"
-int __signgam = 0;
-weak_alias (__signgam, signgam)
+int signgam;
diff --git a/sysdeps/libm-ieee754/w_gamma.c b/sysdeps/libm-ieee754/w_gamma.c
index 7629503744..02a3d47669 100644
--- a/sysdeps/libm-ieee754/w_gamma.c
+++ b/sysdeps/libm-ieee754/w_gamma.c
@@ -22,8 +22,6 @@ static char rcsid[] = "$NetBSD: w_gamma.c,v 1.7 1995/11/20 22:06:43 jtc Exp $";
 #include "math.h"
 #include "math_private.h"
 
-extern int __signgam;
-
 #ifdef __STDC__
 	double __gamma(double x)
 #else
@@ -34,7 +32,7 @@ extern int __signgam;
         double y;
 #ifndef _IEEE_LIBM
 	if (_LIB_VERSION == _SVID_)
-	  y = __ieee754_lgamma_r(x,&__signgam);
+	  y = __ieee754_lgamma_r(x,&signgam);
 	else
 	  {
 #endif
diff --git a/sysdeps/libm-ieee754/w_gammaf.c b/sysdeps/libm-ieee754/w_gammaf.c
index fc28a975da..7d78a52908 100644
--- a/sysdeps/libm-ieee754/w_gammaf.c
+++ b/sysdeps/libm-ieee754/w_gammaf.c
@@ -20,8 +20,6 @@ static char rcsid[] = "$NetBSD: w_gammaf.c,v 1.4 1995/11/20 22:06:48 jtc Exp $";
 #include "math.h"
 #include "math_private.h"
 
-extern int __signgam;
-
 #ifdef __STDC__
 	float __gammaf(float x)
 #else
@@ -32,7 +30,7 @@ extern int __signgam;
         float y;
 #ifndef _IEEE_LIBM
 	if (_LIB_VERSION == _SVID_)
-	  y = __ieee754_lgammaf_r(x,&__signgam);
+	  y = __ieee754_lgammaf_r(x,&signgam);
 	else
 	  {
 #endif
diff --git a/sysdeps/libm-ieee754/w_gammal.c b/sysdeps/libm-ieee754/w_gammal.c
index 88c681b40b..1b4ae2cc7b 100644
--- a/sysdeps/libm-ieee754/w_gammal.c
+++ b/sysdeps/libm-ieee754/w_gammal.c
@@ -25,8 +25,6 @@ static char rcsid[] = "$NetBSD: $";
 #include "math.h"
 #include "math_private.h"
 
-extern int __signgam;
-
 #ifdef __STDC__
 	long double __gammal(long double x)
 #else
@@ -37,7 +35,7 @@ extern int __signgam;
         long double y;
 #ifndef _IEEE_LIBM
 	if (_LIB_VERSION == _SVID_)
-	  y = __ieee754_lgammal_r(x,&__signgam);
+	  y = __ieee754_lgammal_r(x,&signgam);
 	else
 	  {
 #endif
diff --git a/sysdeps/libm-ieee754/w_lgamma.c b/sysdeps/libm-ieee754/w_lgamma.c
index fbb933f9fc..bbb53f53e8 100644
--- a/sysdeps/libm-ieee754/w_lgamma.c
+++ b/sysdeps/libm-ieee754/w_lgamma.c
@@ -23,8 +23,6 @@ static char rcsid[] = "$NetBSD: w_lgamma.c,v 1.6 1995/05/10 20:49:24 jtc Exp $";
 #include "math.h"
 #include "math_private.h"
 
-extern int __signgam;
-
 #ifdef __STDC__
 	double __lgamma(double x)
 #else
@@ -33,10 +31,14 @@ extern int __signgam;
 #endif
 {
 #ifdef _IEEE_LIBM
-	return __ieee754_lgamma_r(x,&__signgam);
+	return __ieee754_lgamma_r(x,&signgam);
 #else
         double y;
-        y = __ieee754_lgamma_r(x,&__signgam);
+	int local_signgam;
+        y = __ieee754_lgamma_r(x,&local_signgam);
+	if (_LIB_VERSION != _ISOC_)
+	  /* ISO C 9x does not define the global variable.  */
+	  signgam = local_signgam;
         if(_LIB_VERSION == _IEEE_) return y;
         if(!__finite(y)&&__finite(x)) {
             if(__floor(x)==x&&x<=0.0)
diff --git a/sysdeps/libm-ieee754/w_lgammaf.c b/sysdeps/libm-ieee754/w_lgammaf.c
index e05660284f..369dee6749 100644
--- a/sysdeps/libm-ieee754/w_lgammaf.c
+++ b/sysdeps/libm-ieee754/w_lgammaf.c
@@ -20,8 +20,6 @@ static char rcsid[] = "$NetBSD: w_lgammaf.c,v 1.3 1995/05/10 20:49:30 jtc Exp $"
 #include "math.h"
 #include "math_private.h"
 
-extern int __signgam;
-
 #ifdef __STDC__
 	float __lgammaf(float x)
 #else
@@ -30,10 +28,14 @@ extern int __signgam;
 #endif
 {
 #ifdef _IEEE_LIBM
-	return __ieee754_lgammaf_r(x,&__signgam);
+	return __ieee754_lgammaf_r(x,&signgam);
 #else
         float y;
-        y = __ieee754_lgammaf_r(x,&__signgam);
+	int local_signgam;
+        y = __ieee754_lgammaf_r(x,&local_signgam);
+	if (_LIB_VERSION != _ISOC_)
+	  /* ISO C 9x does not define the global variable.  */
+	  signgam = local_signgam;
         if(_LIB_VERSION == _IEEE_) return y;
         if(!__finitef(y)&&__finitef(x)) {
             if(__floorf(x)==x&&x<=(float)0.0)
diff --git a/sysdeps/libm-ieee754/w_lgammal.c b/sysdeps/libm-ieee754/w_lgammal.c
index aab8417e31..9db2ce2693 100644
--- a/sysdeps/libm-ieee754/w_lgammal.c
+++ b/sysdeps/libm-ieee754/w_lgammal.c
@@ -27,8 +27,6 @@ static char rcsid[] = "$NetBSD: $";
 #include "math.h"
 #include "math_private.h"
 
-extern int __signgam;
-
 #ifdef __STDC__
 	long double __lgammal(long double x)
 #else
@@ -37,10 +35,14 @@ extern int __signgam;
 #endif
 {
 #ifdef _IEEE_LIBM
-	return __ieee754_lgammal_r(x,&__signgam);
+	return __ieee754_lgammal_r(x,&signgam);
 #else
         long double y;
-        y = __ieee754_lgammal_r(x,&__signgam);
+	int local_signgam;
+        y = __ieee754_lgammal_r(x,&local_signgam);
+	if (_LIB_VERSION != _ISOC_)
+	  /* ISO C 9x does not define the global variable.  */
+	  signgam = local_signgam;
         if(_LIB_VERSION == _IEEE_) return y;
         if(!__finitel(y)&&__finitel(x)) {
             if(__floorl(x)==x&&x<=0.0)