10 files changed, 14 insertions, 14 deletions
diff --git a/sysdeps/alpha/fpu/bits/mathinline.h b/sysdeps/alpha/fpu/bits/mathinline.h
index 250171eeb4..5378a181c6 100644
--- a/sysdeps/alpha/fpu/bits/mathinline.h
+++ b/sysdeps/alpha/fpu/bits/mathinline.h
@@ -23,7 +23,7 @@
 # error "Never use <bits/mathinline.h> directly; include <math.h> instead."
 #endif
 
-#ifdef __cplusplus
+#ifndef __extern_inline
 # define __MATH_INLINE __inline
 #else
 # define __MATH_INLINE __extern_inline
diff --git a/sysdeps/i386/fpu/bits/mathinline.h b/sysdeps/i386/fpu/bits/mathinline.h
index a0f630e240..a786cc69cd 100644
--- a/sysdeps/i386/fpu/bits/mathinline.h
+++ b/sysdeps/i386/fpu/bits/mathinline.h
@@ -23,7 +23,7 @@
 # error "Never use <bits/mathinline.h> directly; include <math.h> instead."
 #endif
 
-#ifdef __cplusplus
+#ifndef __extern_inline
 # define __MATH_INLINE __inline
 #else
 # define __MATH_INLINE __extern_inline
diff --git a/sysdeps/i386/i486/bits/string.h b/sysdeps/i386/i486/bits/string.h
index 2db9abc9e4..cf5f4847fa 100644
--- a/sysdeps/i386/i486/bits/string.h
+++ b/sysdeps/i386/i486/bits/string.h
@@ -32,7 +32,7 @@
     && defined __GNUC__ && __GNUC__ >= 2 && !__BOUNDED_POINTERS__
 
 #ifndef __STRING_INLINE
-# ifdef __cplusplus
+# ifndef __extern_inline
 #  define __STRING_INLINE inline
 # else
 #  define __STRING_INLINE __extern_inline
diff --git a/sysdeps/ia64/fpu/bits/mathinline.h b/sysdeps/ia64/fpu/bits/mathinline.h
index 1e90257182..cd90b06d3a 100644
--- a/sysdeps/ia64/fpu/bits/mathinline.h
+++ b/sysdeps/ia64/fpu/bits/mathinline.h
@@ -21,7 +21,7 @@
 # error "Never use <bits/mathinline.h> directly; include <math.h> instead."
 #endif
 
-#ifdef __cplusplus
+#ifndef __extern_inline
 # define __MATH_INLINE __inline
 #else
 # define __MATH_INLINE __extern_inline
diff --git a/sysdeps/powerpc/fpu/bits/mathinline.h b/sysdeps/powerpc/fpu/bits/mathinline.h
index 6c01fa436c..4d4612dac0 100644
--- a/sysdeps/powerpc/fpu/bits/mathinline.h
+++ b/sysdeps/powerpc/fpu/bits/mathinline.h
@@ -22,7 +22,7 @@
 # error "Never use <bits/mathinline.h> directly; include <math.h> instead."
 #endif
 
-#ifdef __cplusplus
+#ifndef __extern_inline
 # define __MATH_INLINE __inline
 #else
 # define __MATH_INLINE __extern_inline
diff --git a/sysdeps/s390/bits/string.h b/sysdeps/s390/bits/string.h
index e16c7cb829..87550c5f67 100644
--- a/sysdeps/s390/bits/string.h
+++ b/sysdeps/s390/bits/string.h
@@ -31,7 +31,7 @@
     && defined __GNUC__ && __GNUC__ >= 2
 
 #ifndef __STRING_INLINE
-# ifdef __cplusplus
+# ifndef __extern_inline
 #  define __STRING_INLINE inline
 # else
 #  define __STRING_INLINE __extern_inline
diff --git a/sysdeps/s390/fpu/bits/mathinline.h b/sysdeps/s390/fpu/bits/mathinline.h
index 06a6368450..03af01c2b1 100644
--- a/sysdeps/s390/fpu/bits/mathinline.h
+++ b/sysdeps/s390/fpu/bits/mathinline.h
@@ -21,7 +21,7 @@
 # error "Never use <bits/mathinline.h> directly; include <math.h> instead."
 #endif
 
-#ifdef __cplusplus
+#ifndef __extern_inline
 # define __MATH_INLINE __inline
 #else
 # define __MATH_INLINE __extern_inline
diff --git a/sysdeps/sparc/fpu/bits/mathinline.h b/sysdeps/sparc/fpu/bits/mathinline.h
index 16ad22e666..d3ff44c5a9 100644
--- a/sysdeps/sparc/fpu/bits/mathinline.h
+++ b/sysdeps/sparc/fpu/bits/mathinline.h
@@ -128,7 +128,7 @@
 
 #if (!defined __NO_MATH_INLINES || defined __LIBC_INTERNAL_MATH_INLINES) && defined __OPTIMIZE__
 
-# ifdef __cplusplus
+# ifndef __extern_inline
 #  define __MATH_INLINE __inline
 # else
 #  define __MATH_INLINE __extern_inline
diff --git a/sysdeps/unix/sysv/linux/sys/sysmacros.h b/sysdeps/unix/sysv/linux/sys/sysmacros.h
index e59672980e..92b3a19d4f 100644
--- a/sysdeps/unix/sysv/linux/sys/sysmacros.h
+++ b/sysdeps/unix/sysv/linux/sys/sysmacros.h
@@ -28,17 +28,17 @@
    they need.  */
 #ifdef __GLIBC_HAVE_LONG_LONG
 __extension__
-__extern_inline unsigned int gnu_dev_major (unsigned long long int __dev)
+extern unsigned int gnu_dev_major (unsigned long long int __dev)
      __THROW;
 __extension__
-__extern_inline unsigned int gnu_dev_minor (unsigned long long int __dev)
+extern unsigned int gnu_dev_minor (unsigned long long int __dev)
      __THROW;
 __extension__
-__extern_inline unsigned long long int gnu_dev_makedev (unsigned int __major,
-							unsigned int __minor)
+extern unsigned long long int gnu_dev_makedev (unsigned int __major,
+					       unsigned int __minor)
      __THROW;
 
-# if defined __GNUC__ && __GNUC__ >= 2
+# if defined __GNUC__ && __GNUC__ >= 2 && defined __USE_EXTERN_INLINES
 __extension__ __extern_inline unsigned int
 __NTH (gnu_dev_major (unsigned long long int __dev))
 {
diff --git a/sysdeps/x86_64/fpu/bits/mathinline.h b/sysdeps/x86_64/fpu/bits/mathinline.h
index d08a9b033b..e8a919fe92 100644
--- a/sysdeps/x86_64/fpu/bits/mathinline.h
+++ b/sysdeps/x86_64/fpu/bits/mathinline.h
@@ -22,7 +22,7 @@
 # error "Never use <bits/mathinline.h> directly; include <math.h> instead."
 #endif
 
-#ifdef __cplusplus
+#ifndef __extern_inline
 # define __MATH_INLINE __inline
 #else
 # define __MATH_INLINE __extern_inline