i386/x86_64: punt HAVE_CPP_ASM_DEBUGINFO

Pretty sure we require recent enough versions of gcc/binutils to make this
check pointless.  I can't any logs in the last few years where this check
didn't return "yes".

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

2 files changed, 4 insertions, 83 deletions

diff --git a/sysdeps/x86_64/configure b/sysdeps/x86_64/configure
index b87c0b14b6..adbaeee32e 100644
--- a/sysdeps/x86_64/configure
+++ b/sysdeps/x86_64/configure
@@ -72,6 +72,10 @@ $as_echo X/"$0" |
   chmod +x "$as_me.lineno" ||
     { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
 
+  # If we had to re-execute with $CONFIG_SHELL, we're ensured to have
+  # already done that, so ensure we don't try to do so again and fall
+  # in an infinite loop.  This has already happened in practice.
+  _as_can_reexec=no; export _as_can_reexec
   # Don't try to exec as it changes $[0], causing all sort of problems
   # (the dirname of $[0] is not the place where we might find the
   # original and so on.  Autoconf is especially sensitive to this).
@@ -163,56 +167,6 @@ fi
 
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if -g produces usable source locations for assembler-with-cpp" >&5
-$as_echo_n "checking if -g produces usable source locations for assembler-with-cpp... " >&6; }
-if ${libc_cv_cpp_asm_debuginfo+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat > conftest.S <<EOF
-#include "confdefs.h"
-
-/* comment on
-   two lines */
-	${libc_cv_dot_text}
-	.globl foo
-foo:
-	/* Unfortunately this test only works for a real instruction,
-	   not for any of the machine-independent pseudo-ops.
-	   So we just have to assume everybody has a "nop".  */
-	nop
-	/* comment */
-	nop
-	/* comment */
-	nop
-EOF
-if { ac_try='${CC-cc} $CPPFLAGS $ASFLAGS -g -c conftest.S 1>&5'
-  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; } && {
-   ac_pattern='conftest\.S'
-   { ac_try='readelf --debug-dump=line conftest.o |
-		   grep $ac_pattern 1>&5'
-  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }
-  }; then
-  libc_cv_cpp_asm_debuginfo=yes
-else
-  libc_cv_cpp_asm_debuginfo=no
-fi
-rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cpp_asm_debuginfo" >&5
-$as_echo "$libc_cv_cpp_asm_debuginfo" >&6; }
-if test $libc_cv_cpp_asm_debuginfo = yes; then
-  $as_echo "#define HAVE_CPP_ASM_DEBUGINFO 1" >>confdefs.h
-
-fi
-
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for SSE4 support" >&5
 $as_echo_n "checking for SSE4 support... " >&6; }
 if ${libc_cv_cc_sse4+:} false; then :
diff --git a/sysdeps/x86_64/configure.in b/sysdeps/x86_64/configure.in
index a95dc8d8c1..94bcd19f3c 100644
--- a/sysdeps/x86_64/configure.in
+++ b/sysdeps/x86_64/configure.in
@@ -5,39 +5,6 @@ AC_CHECK_HEADER([cpuid.h], ,
   [AC_MSG_ERROR([gcc must provide the <cpuid.h> header])],
   [/* No default includes.  */])
 
-AC_CACHE_CHECK(if -g produces usable source locations for assembler-with-cpp,
-	       libc_cv_cpp_asm_debuginfo, [dnl
-cat > conftest.S <<EOF
-#include "confdefs.h"
-
-/* comment on
-   two lines */
-	${libc_cv_dot_text}
-	.globl foo
-foo:
-	/* Unfortunately this test only works for a real instruction,
-	   not for any of the machine-independent pseudo-ops.
-	   So we just have to assume everybody has a "nop".  */
-	nop
-	/* comment */
-	nop
-	/* comment */
-	nop
-EOF
-if AC_TRY_COMMAND([${CC-cc} $CPPFLAGS $ASFLAGS -g -c conftest.S 1>&AS_MESSAGE_LOG_FD]) && {
-   ac_pattern='conftest\.S'
-   AC_TRY_COMMAND([readelf --debug-dump=line conftest.o |
-		   grep $ac_pattern 1>&AS_MESSAGE_LOG_FD])
-  }; then
-  libc_cv_cpp_asm_debuginfo=yes
-else
-  libc_cv_cpp_asm_debuginfo=no
-fi
-rm -f conftest*])AC_SUBST(libc_cv_cpp_asm_debuginfo)
-if test $libc_cv_cpp_asm_debuginfo = yes; then
-  AC_DEFINE(HAVE_CPP_ASM_DEBUGINFO)
-fi
-
 dnl Check if -msse4 works.
 AC_CACHE_CHECK(for SSE4 support, libc_cv_cc_sse4, [dnl
 LIBC_TRY_CC_OPTION([-msse4], [libc_cv_cc_sse4=yes], [libc_cv_cc_sse4=no])