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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>
This commit is contained in:
Mike Frysinger
parent
d427a4f8a4
commit
ca98e1710e
16
ChangeLog
16
ChangeLog
@ -1,3 +1,19 @@
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2012-08-14 Mike Frysinger <vapier@gentoo.org>
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* config.h.in (HAVE_CPP_ASM_DEBUGINFO): Delete.
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* sysdeps/i386/configure.in: Remove assembler-with-cpp debug check.
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* sysdeps/i386/configure: Regenerated.
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* sysdeps/i386/sysdep.h (ENTRY): Remove calls to STABS_CURRENT_FILE1,
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STABS_CURRENT_FILE, and STABS_FUN.
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(END): Remove call to STABS_FUN_END.
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(STABS_CURRENT_FILE1): Delete.
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(STABS_CURRENT_FILE): Likewise.
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(STABS_FUN): Likewise.
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(STABS_FUN_END): Likewise.
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(STABS_FUN2): Likewise.
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* sysdeps/x86_64/configure.in: Remove assembler-with-cpp debug check.
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* sysdeps/x86_64/configure: Regenerated.
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2012-08-14 Roland McGrath <roland@hack.frob.com>
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* elf/dl-open.c: Include <atomic.h>.
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@ -46,9 +46,6 @@
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/* On powerpc64, use overlapping .opd entries. */
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#undef USE_PPC64_OVERLAPPING_OPD
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/* Define if the assembler generates debugging information directly. */
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#undef HAVE_CPP_ASM_DEBUGINFO
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/* Define if _Unwind_Find_FDE should be exported from glibc. */
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#undef EXPORT_UNWIND_FIND_FDE
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51
sysdeps/i386/configure
vendored
51
sysdeps/i386/configure
vendored
@ -162,57 +162,6 @@ else
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if -g produces usable source locations for assembler-with-cpp" >&5
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$as_echo_n "checking if -g produces usable source locations for assembler-with-cpp... " >&6; }
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if ${libc_cv_cpp_asm_debuginfo+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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cat > conftest.S <<EOF
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#include "confdefs.h"
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/* comment on
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two lines */
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${libc_cv_dot_text}
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.globl foo
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foo:
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/* Unfortunately this test only works for a real instruction,
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not for any of the machine-independent pseudo-ops.
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So we just have to assume everybody has a "nop". */
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nop
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/* comment */
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nop
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/* comment */
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nop
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EOF
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if { ac_try='${CC-cc} $CPPFLAGS $ASFLAGS -g -c conftest.S 1>&5'
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{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; } && {
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ac_pattern='conftest\.S'
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{ ac_try='readelf --debug-dump=line conftest.o |
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grep $ac_pattern 1>&5'
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{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }
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}; then
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libc_cv_cpp_asm_debuginfo=yes
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else
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libc_cv_cpp_asm_debuginfo=no
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fi
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rm -f conftest*
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cpp_asm_debuginfo" >&5
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$as_echo "$libc_cv_cpp_asm_debuginfo" >&6; }
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if test $libc_cv_cpp_asm_debuginfo = yes; then
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$as_echo "#define HAVE_CPP_ASM_DEBUGINFO 1" >>confdefs.h
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for SSE4 support" >&5
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$as_echo_n "checking for SSE4 support... " >&6; }
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if ${libc_cv_cc_sse4+:} false; then :
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@ -5,39 +5,6 @@ AC_CHECK_HEADER([cpuid.h], ,
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[AC_MSG_ERROR([gcc must provide the <cpuid.h> header])],
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[/* No default includes. */])
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AC_CACHE_CHECK(if -g produces usable source locations for assembler-with-cpp,
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libc_cv_cpp_asm_debuginfo, [dnl
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cat > conftest.S <<EOF
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#include "confdefs.h"
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/* comment on
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two lines */
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${libc_cv_dot_text}
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.globl foo
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foo:
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/* Unfortunately this test only works for a real instruction,
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not for any of the machine-independent pseudo-ops.
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So we just have to assume everybody has a "nop". */
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nop
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/* comment */
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nop
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/* comment */
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nop
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EOF
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if AC_TRY_COMMAND([${CC-cc} $CPPFLAGS $ASFLAGS -g -c conftest.S 1>&AS_MESSAGE_LOG_FD]) && {
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ac_pattern='conftest\.S'
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AC_TRY_COMMAND([readelf --debug-dump=line conftest.o |
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grep $ac_pattern 1>&AS_MESSAGE_LOG_FD])
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}; then
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libc_cv_cpp_asm_debuginfo=yes
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else
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libc_cv_cpp_asm_debuginfo=no
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fi
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rm -f conftest*])AC_SUBST(libc_cv_cpp_asm_debuginfo)
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if test $libc_cv_cpp_asm_debuginfo = yes; then
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AC_DEFINE(HAVE_CPP_ASM_DEBUGINFO)
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fi
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dnl Check if -msse4 works.
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AC_CACHE_CHECK(for SSE4 support, libc_cv_cc_sse4, [dnl
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LIBC_TRY_CC_OPTION([-msse4], [libc_cv_cc_sse4=yes], [libc_cv_cc_sse4=no])
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@ -59,12 +59,9 @@
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incomplete stabs information. Fake some entries here which specify
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the current source file. */
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#define ENTRY(name) \
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STABS_CURRENT_FILE1("") \
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STABS_CURRENT_FILE(name) \
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.globl C_SYMBOL_NAME(name); \
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.type C_SYMBOL_NAME(name),@function; \
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.align ALIGNARG(4); \
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STABS_FUN(name) \
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C_LABEL(name) \
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cfi_startproc; \
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CALL_MCOUNT
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@ -72,35 +69,11 @@
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#undef END
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#define END(name) \
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cfi_endproc; \
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ASM_SIZE_DIRECTIVE(name) \
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STABS_FUN_END(name)
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ASM_SIZE_DIRECTIVE(name)
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#define ENTRY_CHK(name) ENTRY (name)
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#define END_CHK(name) END (name)
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#ifdef HAVE_CPP_ASM_DEBUGINFO
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/* Disable that goop, because we just pass -g through to the assembler
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and it generates proper line number information directly. */
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# define STABS_CURRENT_FILE1(name)
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# define STABS_CURRENT_FILE(name)
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# define STABS_FUN(name)
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# define STABS_FUN_END(name)
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#else
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/* Remove the following two lines once the gdb bug is fixed. */
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#define STABS_CURRENT_FILE(name) \
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STABS_CURRENT_FILE1 (#name)
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#define STABS_CURRENT_FILE1(name) \
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1: .stabs name,100,0,0,1b;
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/* Emit stabs definition lines. We use F(0,1) and define t(0,1) as `int',
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the same way gcc does it. */
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#define STABS_FUN(name) STABS_FUN2(name, name##:F(0,1))
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#define STABS_FUN2(name, namestr) \
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.stabs "int:t(0,1)=r(0,1);-2147483648;2147483647;",128,0,0,0; \
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.stabs #namestr,36,0,0,name;
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#define STABS_FUN_END(name) \
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1: .stabs "",36,0,0,1b-name;
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#endif
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/* If compiled for profiling, call `mcount' at the start of each function. */
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#ifdef PROF
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/* The mcount code relies on a normal frame pointer being on the stack
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54
sysdeps/x86_64/configure
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54
sysdeps/x86_64/configure
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@ -72,6 +72,10 @@ $as_echo X/"$0" |
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chmod +x "$as_me.lineno" ||
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{ $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
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# If we had to re-execute with $CONFIG_SHELL, we're ensured to have
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# already done that, so ensure we don't try to do so again and fall
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# in an infinite loop. This has already happened in practice.
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_as_can_reexec=no; export _as_can_reexec
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# Don't try to exec as it changes $[0], causing all sort of problems
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# (the dirname of $[0] is not the place where we might find the
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# original and so on. Autoconf is especially sensitive to this).
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@ -163,56 +167,6 @@ fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if -g produces usable source locations for assembler-with-cpp" >&5
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$as_echo_n "checking if -g produces usable source locations for assembler-with-cpp... " >&6; }
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if ${libc_cv_cpp_asm_debuginfo+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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cat > conftest.S <<EOF
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#include "confdefs.h"
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/* comment on
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two lines */
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${libc_cv_dot_text}
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.globl foo
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foo:
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/* Unfortunately this test only works for a real instruction,
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not for any of the machine-independent pseudo-ops.
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So we just have to assume everybody has a "nop". */
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nop
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/* comment */
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nop
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/* comment */
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nop
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EOF
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if { ac_try='${CC-cc} $CPPFLAGS $ASFLAGS -g -c conftest.S 1>&5'
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{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; } && {
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ac_pattern='conftest\.S'
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{ ac_try='readelf --debug-dump=line conftest.o |
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grep $ac_pattern 1>&5'
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{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }
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}; then
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libc_cv_cpp_asm_debuginfo=yes
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else
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libc_cv_cpp_asm_debuginfo=no
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fi
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rm -f conftest*
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cpp_asm_debuginfo" >&5
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$as_echo "$libc_cv_cpp_asm_debuginfo" >&6; }
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if test $libc_cv_cpp_asm_debuginfo = yes; then
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$as_echo "#define HAVE_CPP_ASM_DEBUGINFO 1" >>confdefs.h
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for SSE4 support" >&5
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$as_echo_n "checking for SSE4 support... " >&6; }
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if ${libc_cv_cc_sse4+:} false; then :
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@ -5,39 +5,6 @@ AC_CHECK_HEADER([cpuid.h], ,
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[AC_MSG_ERROR([gcc must provide the <cpuid.h> header])],
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[/* No default includes. */])
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AC_CACHE_CHECK(if -g produces usable source locations for assembler-with-cpp,
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libc_cv_cpp_asm_debuginfo, [dnl
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cat > conftest.S <<EOF
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#include "confdefs.h"
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/* comment on
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two lines */
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${libc_cv_dot_text}
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.globl foo
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foo:
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/* Unfortunately this test only works for a real instruction,
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not for any of the machine-independent pseudo-ops.
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So we just have to assume everybody has a "nop". */
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nop
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/* comment */
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nop
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/* comment */
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nop
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EOF
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if AC_TRY_COMMAND([${CC-cc} $CPPFLAGS $ASFLAGS -g -c conftest.S 1>&AS_MESSAGE_LOG_FD]) && {
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ac_pattern='conftest\.S'
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AC_TRY_COMMAND([readelf --debug-dump=line conftest.o |
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grep $ac_pattern 1>&AS_MESSAGE_LOG_FD])
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}; then
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libc_cv_cpp_asm_debuginfo=yes
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else
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libc_cv_cpp_asm_debuginfo=no
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fi
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rm -f conftest*])AC_SUBST(libc_cv_cpp_asm_debuginfo)
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if test $libc_cv_cpp_asm_debuginfo = yes; then
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AC_DEFINE(HAVE_CPP_ASM_DEBUGINFO)
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fi
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dnl Check if -msse4 works.
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AC_CACHE_CHECK(for SSE4 support, libc_cv_cc_sse4, [dnl
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LIBC_TRY_CC_OPTION([-msse4], [libc_cv_cc_sse4=yes], [libc_cv_cc_sse4=no])
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