rename configure.in to configure.ac

Autoconf has been deprecating configure.in for quite a long time.
Rename all our configure.in and preconfigure.in files to .ac.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

1 files changed, 0 insertions, 49 deletions

diff --git a/nptl/sysdeps/pthread/configure.in b/nptl/sysdeps/pthread/configure.in
deleted file mode 100644
index 413af96799..0000000000
--- a/nptl/sysdeps/pthread/configure.in
+++ /dev/null
@@ -1,49 +0,0 @@
-dnl configure fragment for new libpthread implementation.
-GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
-
-if test "x$libc_cv_gcc___thread" != xyes; then
-  AC_MSG_ERROR(compiler support for __thread is required)
-fi
-
-if test "x${libc_cv_visibility_attribute}" != xyes ||
-   test "x${libc_cv_broken_visibility_attribute}" != xno; then
-  AC_MSG_ERROR(working compiler support for visibility attribute is required)
-fi
-
-if test "x$libc_cv_asm_cfi_directives" != xyes; then
-  dnl We need this only for some architectures.
-  case "$base_machine" in
-    i386 | x86_64 | powerpc | s390)
-      AC_MSG_ERROR(CFI directive support in assembler is required) ;;
-    *) ;;
-  esac
-fi
-
-dnl Iff <unwind.h> is available, make sure it is the right one and it
-dnl contains struct _Unwind_Exception.
-AC_CACHE_CHECK(dnl
-for forced unwind support, libc_cv_forced_unwind, [dnl
-AC_TRY_COMPILE([#include <unwind.h>], [
-struct _Unwind_Exception exc;
-struct _Unwind_Context *context;
-_Unwind_GetCFA (context)],
-libc_cv_forced_unwind=yes, libc_cv_forced_unwind=no)])
-if test $libc_cv_forced_unwind = yes; then
-  AC_DEFINE(HAVE_FORCED_UNWIND)
-dnl Check for C cleanup handling.
-  old_CFLAGS="$CFLAGS"
-  CFLAGS="$CFLAGS -Werror -fexceptions"
-  AC_CACHE_CHECK([for C cleanup handling], libc_cv_c_cleanup, [dnl
-  AC_TRY_COMPILE([
-extern void some_function (void);
-void cl (void *a) { }], [
-  int a __attribute__ ((cleanup (cl)));
-  some_function ()],
-libc_cv_c_cleanup=yes, libc_cv_c_cleanup=no)])
-  CFLAGS="$old_CFLAGS"
-  if test $libc_cv_c_cleanup = no; then
-    AC_MSG_ERROR([the compiler must support C cleanup handling])
-  fi
-else
-  AC_MSG_ERROR(forced unwind support is required)
-fi