Fix --gdwarf-5 configure tests for Windows
The issues are that 1) they use readelf instead of objdump and 2) they use ELF syntax in the assembly code. gcc/ * configure.ac (--gdwarf-5 option): Use objdump instead of readelf. (working --gdwarf-4/--gdwarf-5 for all sources): Likewise. (--gdwarf-4 not refusing generated .debug_line): Adjust for Windows. * configure: Regenerate.
This commit is contained in:
Eric Botcazou
parent
1a2bbc08d9
commit
cfc9fdcec8
36
gcc/configure
vendored
36
gcc/configure
vendored
@ -29065,8 +29065,8 @@ fi
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }
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then
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if test x$gcc_cv_readelf != x \
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&& $gcc_cv_readelf -wi conftest.o 2>&1 \
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if test x$gcc_cv_objdump != x \
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&& $gcc_cv_objdump -Wi conftest.o 2>&1 \
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| grep DW_TAG_compile_unit > /dev/null 2>&1; then
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gcc_cv_as_gdwarf_5_flag=yes;
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fi
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@ -29086,6 +29086,16 @@ $as_echo "#define HAVE_AS_GDWARF_5_DEBUG_FLAG 1" >>confdefs.h
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fi
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case $target_os in
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win32 | pe | cygwin* | mingw32*)
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section_flags=\"dr\"
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function_type=".def foo; .scl 2; .type 32; .endef"
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function_size="";;
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*)
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section_flags=\"\",%progbits
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function_type=".type foo, %function"
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function_size=".size foo, .-foo";;
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esac
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dwarf4_debug_info_size=0x46
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dwarf4_high_pc_form=7
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dwarf4_debug_aranges_size=0x2c
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@ -29097,16 +29107,16 @@ fi
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.Ltext0:
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.p2align 4
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.globl foo
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.type foo, %function
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$function_type
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foo:
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.LFB0:
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.LM1:
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$insn
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.LM2:
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.LFE0:
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.size foo, .-foo
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$function_size
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.Letext0:
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.section .debug_info,\"\",%progbits
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.section .debug_info,$section_flags
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.Ldebug_info0:
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.4byte $dwarf4_debug_info_size
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.2byte 0x4
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@ -29130,7 +29140,7 @@ foo:
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.byte 0x1
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.byte 0x9c
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.byte 0
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.section .debug_abbrev,\"\",%progbits
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.section .debug_abbrev,$section_flags
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.Ldebug_abbrev0:
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.byte 0x1
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.byte 0x11
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@ -29173,7 +29183,7 @@ foo:
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.byte 0
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.byte 0
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.byte 0
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.section .debug_aranges,\"\",%progbits
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.section .debug_aranges,$section_flags
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.4byte $dwarf4_debug_aranges_size
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.2byte 0x2
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.4byte .Ldebug_info0
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@ -29185,7 +29195,7 @@ foo:
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.${dwarf4_addr_size}byte .Letext0-.Ltext0
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.${dwarf4_addr_size}byte 0
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.${dwarf4_addr_size}byte 0
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.section .debug_line,\"\",%progbits
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.section .debug_line,$section_flags
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.Ldebug_line0:
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.4byte .LELT0-.LSLT0
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.LSLT0:
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@ -29239,7 +29249,7 @@ foo:
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.byte 0x1
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.byte 0x1
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.LELT0:
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.section .debug_str,\"\",%progbits
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.section .debug_str,$section_flags
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.ident \"GCC\"
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"
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dwarf4_success=no
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@ -29411,10 +29421,10 @@ fi
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conftest_s="\
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.text
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.globl foo
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.type foo, %function
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$function_type
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foo:
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$insn
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.size foo, .-foo
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$function_size
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.file 1 \"foo.c\"
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"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for working --gdwarf-4/--gdwarf-5 for all sources" >&5
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@ -29432,8 +29442,8 @@ else
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }
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then
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if test x$gcc_cv_readelf != x \
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&& $gcc_cv_readelf -w conftest.o 2>&1 \
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if test x$gcc_cv_objdump != x \
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&& $gcc_cv_objdump -W conftest.o 2>&1 \
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| grep conftest.s > /dev/null 2>&1; then
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gcc_cv_as_working_gdwarf_n_flag=no
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else
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@ -5417,13 +5417,23 @@ if test x"$insn" != x; then
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gcc_GAS_CHECK_FEATURE([--gdwarf-5 option],
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gcc_cv_as_gdwarf_5_flag,
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[elf,2,36,0], [--gdwarf-5], [$insn],
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[if test x$gcc_cv_readelf != x \
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&& $gcc_cv_readelf -wi conftest.o 2>&1 \
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[if test x$gcc_cv_objdump != x \
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&& $gcc_cv_objdump -Wi conftest.o 2>&1 \
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| grep DW_TAG_compile_unit > /dev/null 2>&1; then
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gcc_cv_as_gdwarf_5_flag=yes;
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fi],[AC_DEFINE(HAVE_AS_GDWARF_5_DEBUG_FLAG, 1,
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[Define if your assembler supports the --gdwarf-5 option.])])
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case $target_os in
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win32 | pe | cygwin* | mingw32*)
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section_flags=\"dr\"
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function_type=".def foo; .scl 2; .type 32; .endef"
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function_size="";;
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*)
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section_flags=\"\",%progbits
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function_type=".type foo, %function"
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function_size=".size foo, .-foo";;
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esac
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dwarf4_debug_info_size=0x46
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dwarf4_high_pc_form=7
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dwarf4_debug_aranges_size=0x2c
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@ -5435,16 +5445,16 @@ if test x"$insn" != x; then
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.Ltext0:
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.p2align 4
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.globl foo
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.type foo, %function
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$function_type
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foo:
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.LFB0:
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.LM1:
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$insn
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.LM2:
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.LFE0:
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.size foo, .-foo
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$function_size
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.Letext0:
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.section .debug_info,\"\",%progbits
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.section .debug_info,$section_flags
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.Ldebug_info0:
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.4byte $dwarf4_debug_info_size
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.2byte 0x4
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@ -5468,7 +5478,7 @@ foo:
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.byte 0x1
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.byte 0x9c
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.byte 0
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.section .debug_abbrev,\"\",%progbits
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.section .debug_abbrev,$section_flags
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.Ldebug_abbrev0:
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.byte 0x1
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.byte 0x11
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@ -5511,7 +5521,7 @@ foo:
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.byte 0
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.byte 0
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.byte 0
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.section .debug_aranges,\"\",%progbits
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.section .debug_aranges,$section_flags
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.4byte $dwarf4_debug_aranges_size
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.2byte 0x2
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.4byte .Ldebug_info0
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@ -5523,7 +5533,7 @@ foo:
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.${dwarf4_addr_size}byte .Letext0-.Ltext0
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.${dwarf4_addr_size}byte 0
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.${dwarf4_addr_size}byte 0
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.section .debug_line,\"\",%progbits
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.section .debug_line,$section_flags
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.Ldebug_line0:
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.4byte .LELT0-.LSLT0
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.LSLT0:
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@ -5577,7 +5587,7 @@ foo:
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.byte 0x1
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.byte 0x1
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.LELT0:
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.section .debug_str,\"\",%progbits
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.section .debug_str,$section_flags
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.ident \"GCC\"
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"
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dwarf4_success=no
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@ -5633,10 +5643,10 @@ foo:
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conftest_s="\
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.text
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.globl foo
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.type foo, %function
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$function_type
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foo:
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$insn
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.size foo, .-foo
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$function_size
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.file 1 \"foo.c\"
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"
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gcc_GAS_CHECK_FEATURE([working --gdwarf-4/--gdwarf-5 for all sources],
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@ -5644,8 +5654,8 @@ foo:
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[--gdwarf-4],
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[$conftest_s],
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[changequote(,)dnl
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if test x$gcc_cv_readelf != x \
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&& $gcc_cv_readelf -w conftest.o 2>&1 \
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if test x$gcc_cv_objdump != x \
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&& $gcc_cv_objdump -W conftest.o 2>&1 \
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| grep conftest.s > /dev/null 2>&1; then
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gcc_cv_as_working_gdwarf_n_flag=no
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else
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