Remove __libc_posix_fadvise[64] alias. It existed on i386 and arm only,

 and google says only uclibc has it, no users at all.

    text           data     bss     dec     hex filename
- 229374           1367   11280  242021   3b165 lib/libuClibc-0.9.30-svn.so
+ 229347           1367   11280  241994   3b14a lib/libuClibc-0.9.30-svn.so

libc/sysdeps/linux/arm/posix_fadvise.c

@@ -9,12 +9,21 @@
  */
 #include <sys/syscall.h>
 #include <fcntl.h>
+
 #if defined __NR_arm_fadvise64_64
+
+/* Was named __libc_posix_fadvise for some inexplicable reason.
+** google says only uclibc has *__libc*_posix_fadviseXXX,
+** so it cannot be compat with anything.
+**
+** Remove this comment and one at the end after 0.9.31
+*/
+
 /* This is for the ARM version of fadvise64_64 which swaps the params
  *  * about to avoid having ABI compat issues
  *   */
 #define __NR___syscall_arm_fadvise64_64 __NR_arm_fadvise64_64
-int __libc_posix_fadvise(int fd, off_t offset, off_t len, int advise)
+int posix_fadvise(int fd, off_t offset, off_t len, int advise)
 {
   INTERNAL_SYSCALL_DECL (err);
   int ret = INTERNAL_SYSCALL (arm_fadvise64_64, err, 6, fd, advise,
@@ -24,13 +33,15 @@ int __libc_posix_fadvise(int fd, off_t offset, off_t len, int advise)
     if (INTERNAL_SYSCALL_ERROR_P (ret, err))
       return INTERNAL_SYSCALL_ERRNO (ret, err);
     return 0;
-
 }
-weak_alias(__libc_posix_fadvise, posix_fadvise);
+
+/* weak_alias(__libc_posix_fadvise, posix_fadvise); */
+
 #else
+
 int posix_fadvise(int fd attribute_unused, off_t offset attribute_unused, off_t len attribute_unused, int advice attribute_unused)
 {
 	return ENOSYS;
 }
-#endif
 
+#endif

libc/sysdeps/linux/arm/posix_fadvise64.c

@@ -20,11 +20,19 @@
 #ifdef __UCLIBC_HAS_LFS__
 
 #if defined __NR_arm_fadvise64_64
+
+/* Was named __libc_posix_fadvise64 for some inexplicable reason.
+** google says only uclibc has *__libc*_posix_fadviseXXX,
+** so it cannot be compat with anything.
+**
+** Remove this comment and one at the end after 0.9.31
+*/
+
 /* This is for the ARM version of fadvise64_64 which swaps the params
  * about to avoid having ABI compat issues
  */
 #define __NR___syscall_arm_fadvise64_64 __NR_arm_fadvise64_64
-int __libc_posix_fadvise64(int fd, __off64_t offset, __off64_t len, int advise)
+int posix_fadvise64(int fd, __off64_t offset, __off64_t len, int advise)
 {
   INTERNAL_SYSCALL_DECL (err);
   int ret = INTERNAL_SYSCALL (arm_fadvise64_64, err, 6, fd, advise,
@@ -36,11 +44,16 @@ int __libc_posix_fadvise64(int fd, __off64_t offset, __off64_t len, int advise)
    return INTERNAL_SYSCALL_ERRNO (ret, err);
   return 0;
 }
-weak_alias(__libc_posix_fadvise64, posix_fadvise64);
+
+/* weak_alias(__libc_posix_fadvise64, posix_fadvise64); */
+
 #else
+
 int posix_fadvise64(int fd, __off64_t offset, __off64_t len, int advise)
 {
 	return ENOSYS;
 }
+
 #endif
+
 #endif

libc/sysdeps/linux/i386/posix_fadvise64.S

@@ -22,10 +22,17 @@
 #include <bits/errno.h>
 #include <sys/syscall.h>
 
+/* Was named __libc_posix_fadvise64 for some inexplicable reason.
+** google says only uclibc has *__libc*_posix_fadviseXXX,
+** so it cannot be compat with anything.
+**
+** Remove this comment and one at the end after 0.9.31
+*/
+
 .text
-.global __libc_posix_fadvise64
-.type   __libc_posix_fadvise64,%function
-__libc_posix_fadvise64:
+.global posix_fadvise64
+.type   posix_fadvise64,%function
+posix_fadvise64:
 #if defined __NR_fadvise64_64
 	/* Save regs  */
 	pushl	%ebp
@@ -91,10 +98,11 @@ overflow:
 	/* Successful; return the syscall's value.  */
 	ret
 
-.size __libc_posix_fadvise64,.-__libc_posix_fadvise64
-
-libc_hidden_def(__libc_posix_fadvise64)
-#if defined __UCLIBC_HAS_LFS__ && defined __UCLIBC_HAS_ADVANCED_REALTIME__
-weak_alias(__libc_posix_fadvise64,posix_fadvise64)
-#endif
+.size posix_fadvise64,.-posix_fadvise64
 
+/*
+** libc_hidden_def(__libc_posix_fadvise64)
+** #if defined __UCLIBC_HAS_LFS__ && defined __UCLIBC_HAS_ADVANCED_REALTIME__
+** weak_alias(__libc_posix_fadvise64,posix_fadvise64)
+** #endif
+*/