[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/sysdeps/nptl/configure.ac b/ap/libc/glibc/glibc-2.22/sysdeps/nptl/configure.ac
new file mode 100644
index 0000000..5803215
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/sysdeps/nptl/configure.ac
@@ -0,0 +1,46 @@
+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${libc_cv_broken_visibility_attribute}" != xno; then
+ AC_MSG_ERROR(working compiler support for visibility attribute is required)
+fi
+
+dnl Iff <unwind.h> is available, make sure it is the right one and it
+dnl contains struct _Unwind_Exception.
+AC_CACHE_CHECK(dnl
+for forced unwind support, libc_cv_forced_unwind, [dnl
+old_CPPFLAGS="$CPPFLAGS"
+# Without inhibit_libc #define'd, GCC's unwind.h (at least for ia64)
+# will try to include <stdlib.h>, which doesn't exist yet if we're
+# building libc in a bare environment.
+CPPFLAGS="$CPPFLAGS -Dinhibit_libc=1"
+AC_TRY_COMPILE([#include <unwind.h>], [
+struct _Unwind_Exception exc;
+struct _Unwind_Context *context;
+_Unwind_GetCFA (context)],
+libc_cv_forced_unwind=yes, libc_cv_forced_unwind=no)
+CPPFLAGS="$old_CPPFLAGS"])
+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