configure.in

GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
# Local configure fragment for sysdeps/i386.

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}
	${libc_cv_asm_global_directive} foo
foo:
	/* Unfortunately this test only works for a real instruction,
	   not for any of the machine-independent pseudo-ops.
	   So we just have to assume everybody has a "nop".  */
	nop
	/* comment */
	nop
	/* comment */
	nop
EOF
if AC_TRY_COMMAND([${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

# Tell top-level configure to try -mtune=i386.
libc_mtune_example=i386