mirror of
https://github.com/bminor/binutils-gdb.git
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b0653e3db9
SFrames make the most sense when userland as a whole is built with them,
so add a --enable-default-sframe configure flag to facilitate distributors
and vendors doing that.
The primary motivation for a configure-time flag is that we don't support
SFrame for 32-bit x86 but some packaging uses the same flags (with some
added on top) for multilib builds (to support old binaries like games),
and simply adding `-Wa,--gsframe` to the standard build flags isn't an
option (*).
That aside, I believe it'll be helpful for testing and eventual adoption
in any case.
In summary, combined with the recent --gsframe=[yes|no] support (**):
* Configured with --enable-default-sframe and nothing is passed
=> SFrames (previously no SFrames)
* Configured with --enable-default-sframe and --gsframe=yes is passed
=> SFrames (no change from before)
* Configured with --enable-default-sframe and --gsframe=no is passed
=> No SFrames (no change from before)
* Configured with --enable-default-sframe and --gsframe is passed
=> SFrames (no change from before)
* Configured with --disable-default-sframe and nothing is passed
=> No SFrames (no change from before)
* Configured with --disable-default-sframe and --gsframe=yes is passed
=> SFrames (no change from before)
* Configured with --disable-default-sframe and --gsframe=no is passed
=> No SFrames (no change from before)
* Configured with --disable-default-sframe and --gsframe is passed
=> SFrames (no change from before)
I've introduced a sframe_as_bad macro on Indu's suggestion. A following
patch uses its sibling sframe_as_warn heavily and having symmetry plus
the macro as a form of documentation of intent seems useful.
(*) It gets added to multilib builds too and then we hit the
`.sframe not supported for target` error in gas/dw2gencfi.c.
(**) I've verbosely listed --gsframe=yes but it's the same as --gsframe.
gas/
PR gas/33126
* as.c (enum gen_sframe_option): Initialize if DEFAULT_SFRAME.
* config.in (DEFAULT_SFRAME): New.
* configure: Regenerate.
* configure.ac: Add --enable-default-sframe.
* doc/as.texi: Document --enable-default-sframe.
* dw2gencfi.c (cfi_finish): Don't warn if SFrames are enabled
by default but unavailable for this target.
* gen-sframe.h (sframe_as_bad): New macro.
354 lines
8.8 KiB
Plaintext
354 lines
8.8 KiB
Plaintext
/* config.in. Generated from configure.ac by autoheader. */
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/* Check that config.h is #included before system headers
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(this works only for glibc, but that should be enough). */
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#if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && !defined(__CONFIG_H__)
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# error config.h must be #included before system headers
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#endif
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#define __CONFIG_H__ 1
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/* Define if building universal (internal helper macro) */
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#undef AC_APPLE_UNIVERSAL_BUILD
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/* Define if using AIX 5.2 value for C_WEAKEXT. */
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#undef AIX_WEAK_SUPPORT
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/* assert broken? */
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#undef BROKEN_ASSERT
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/* Compiling cross-assembler? */
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#undef CROSS_COMPILE
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/* Default architecture. */
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#undef DEFAULT_ARCH
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/* Default compression algorithm for --enable-compressed-debug-sections. */
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#undef DEFAULT_COMPRESSED_DEBUG_ALGORITHM
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/* Default CRIS architecture. */
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#undef DEFAULT_CRIS_ARCH
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/* Default emulation. */
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#undef DEFAULT_EMULATION
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/* Define if you want compressed debug sections by default. */
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#undef DEFAULT_FLAG_COMPRESS_DEBUG
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/* Define to 1 if you want to generate GNU Build attribute notes by default,
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if none are contained in the input. */
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#undef DEFAULT_GENERATE_BUILD_NOTES
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/* Define to 1 if you want to generate ELF common symbols with the STT_COMMON
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type by default. */
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#undef DEFAULT_GENERATE_ELF_STT_COMMON
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/* Define to 1 if you want to generate x86 relax relocations by default. */
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#undef DEFAULT_GENERATE_X86_RELAX_RELOCATIONS
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/* Define to 1 if you want to fix Loongson3 LLSC Errata by default. */
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#undef DEFAULT_MIPS_FIX_LOONGSON3_LLSC
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/* Define default value for RISC-V -march. */
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#undef DEFAULT_RISCV_ARCH_WITH_EXT
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/* Define to 1 if you want to generate RISC-V arch attribute by default. */
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#undef DEFAULT_RISCV_ATTR
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/* Define default value for RISC-V -misa-spec. */
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#undef DEFAULT_RISCV_ISA_SPEC
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/* Define default value for RISC-V -mpriv-spec */
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#undef DEFAULT_RISCV_PRIV_SPEC
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/* Define to 1 if you want to emit SFrames by default. */
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#undef DEFAULT_SFRAME
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/* Define to 1 if you want to check x86 TLS relocation by default. */
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#undef DEFAULT_X86_TLS_CHECK
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/* Define to 1 if you want to generate GNU x86 used ISA and feature properties
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by default. */
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#undef DEFAULT_X86_USED_NOTE
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/* Supported emulations. */
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#undef EMULATIONS
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/* Define if you want run-time sanity checks. */
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#undef ENABLE_CHECKING
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/* Define to 1 if translation of program messages to the user's native
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language is requested. */
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#undef ENABLE_NLS
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/* Define to 1 if you have the Mac OS X function
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CFLocaleCopyPreferredLanguages in the CoreFoundation framework. */
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#undef HAVE_CFLOCALECOPYPREFERREDLANGUAGES
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/* Define to 1 if you have the Mac OS X function CFPreferencesCopyAppValue in
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the CoreFoundation framework. */
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#undef HAVE_CFPREFERENCESCOPYAPPVALUE
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/* Define if the GNU dcgettext() function is already present or preinstalled.
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*/
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#undef HAVE_DCGETTEXT
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/* Is the prototype for getopt in <unistd.h> in the expected format? */
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#undef HAVE_DECL_GETOPT
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/* Define to 1 if you have the declaration of `mempcpy', and to 0 if you
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don't. */
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#undef HAVE_DECL_MEMPCPY
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/* Define to 1 if you have the declaration of `stpcpy', and to 0 if you don't.
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*/
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#undef HAVE_DECL_STPCPY
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/* Define to 1 if you have the <dlfcn.h> header file. */
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#undef HAVE_DLFCN_H
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/* Define if the GNU gettext() function is already present or preinstalled. */
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#undef HAVE_GETTEXT
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/* Define if you have the iconv() function and it works. */
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#undef HAVE_ICONV
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/* Define to 1 if you have the <inttypes.h> header file. */
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#undef HAVE_INTTYPES_H
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/* Define if your <locale.h> file defines LC_MESSAGES. */
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#undef HAVE_LC_MESSAGES
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/* Define to 1 if you have the <memory.h> header file. */
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#undef HAVE_MEMORY_H
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/* Define to 1 if you have the <stdint.h> header file. */
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#undef HAVE_STDINT_H
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/* Define to 1 if you have the <stdlib.h> header file. */
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#undef HAVE_STDLIB_H
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/* Define to 1 if you have the <strings.h> header file. */
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#undef HAVE_STRINGS_H
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/* Define to 1 if you have the <string.h> header file. */
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#undef HAVE_STRING_H
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/* Define to 1 if you have the `strsignal' function. */
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#undef HAVE_STRSIGNAL
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/* Define if <sys/stat.h> has struct stat.st_mtim.tv_nsec */
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#undef HAVE_ST_MTIM_TV_NSEC
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/* Define if <sys/stat.h> has struct stat.st_mtim.tv_sec */
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#undef HAVE_ST_MTIM_TV_SEC
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/* Define to 1 if you have the <sys/stat.h> header file. */
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#undef HAVE_SYS_STAT_H
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/* Define to 1 if you have the <sys/types.h> header file. */
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#undef HAVE_SYS_TYPES_H
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/* Define if <time.h> has struct tm.tm_gmtoff. */
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#undef HAVE_TM_GMTOFF
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/* Define to 1 if you have the <unistd.h> header file. */
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#undef HAVE_UNISTD_H
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/* Define to 1 if you have the <windows.h> header file. */
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#undef HAVE_WINDOWS_H
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/* Define to 1 if zstd is enabled. */
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#undef HAVE_ZSTD
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/* Using i386 COFF? */
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#undef I386COFF
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/* Define to the sub-directory in which libtool stores uninstalled libraries.
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*/
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#undef LT_OBJDIR
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/* Default CPU for MIPS targets. */
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#undef MIPS_CPU_STRING_DEFAULT
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/* Generate 64-bit code by default on MIPS targets. */
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#undef MIPS_DEFAULT_64BIT
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/* Choose a default ABI for MIPS targets. */
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#undef MIPS_DEFAULT_ABI
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/* Define value for nds32_arch_name */
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#undef NDS32_DEFAULT_ARCH_NAME
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/* Define default value for nds32_audio_ext */
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#undef NDS32_DEFAULT_AUDIO_EXT
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/* Define default value for nds32_dsp_ext */
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#undef NDS32_DEFAULT_DSP_EXT
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/* Define default value for nds32_dx_regs */
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#undef NDS32_DEFAULT_DX_REGS
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/* Define default value for nds32_perf_ext */
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#undef NDS32_DEFAULT_PERF_EXT
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/* Define default value for nds32_perf_ext2 */
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#undef NDS32_DEFAULT_PERF_EXT2
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/* Define default value for nds32_string_ext */
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#undef NDS32_DEFAULT_STRING_EXT
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/* Define default value for nds32_zol_ext */
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#undef NDS32_DEFAULT_ZOL_EXT
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/* Define default value for nds32_linux_toolchain */
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#undef NDS32_LINUX_TOOLCHAIN
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/* Define if environ is not declared in system header files. */
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#undef NEED_DECLARATION_ENVIRON
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/* Define if ffs is not declared in system header files. */
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#undef NEED_DECLARATION_FFS
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/* a.out support? */
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#undef OBJ_MAYBE_AOUT
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/* COFF support? */
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#undef OBJ_MAYBE_COFF
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/* ECOFF support? */
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#undef OBJ_MAYBE_ECOFF
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/* ELF support? */
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#undef OBJ_MAYBE_ELF
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/* generic support? */
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#undef OBJ_MAYBE_GENERIC
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/* SOM support? */
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#undef OBJ_MAYBE_SOM
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/* Name of package */
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#undef PACKAGE
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/* Define to the address where bug reports for this package should be sent. */
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#undef PACKAGE_BUGREPORT
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/* Define to the full name of this package. */
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#undef PACKAGE_NAME
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/* Define to the full name and version of this package. */
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#undef PACKAGE_STRING
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/* Define to the one symbol short name of this package. */
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#undef PACKAGE_TARNAME
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/* Define to the home page for this package. */
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#undef PACKAGE_URL
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/* Define to the version of this package. */
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#undef PACKAGE_VERSION
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/* Define to 1 if you have the ANSI C header files. */
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#undef STDC_HEADERS
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/* Using strict COFF? */
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#undef STRICTCOFF
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/* Target alias. */
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#undef TARGET_ALIAS
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/* Define as 1 if big endian. */
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#undef TARGET_BYTES_BIG_ENDIAN
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/* Canonical target. */
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#undef TARGET_CANONICAL
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/* Target CPU. */
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#undef TARGET_CPU
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/* Target OS. */
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#undef TARGET_OS
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/* Define if default target is PowerPC Solaris. */
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#undef TARGET_SOLARIS_COMMENT
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/* Target vendor. */
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#undef TARGET_VENDOR
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/* Target specific CPU. */
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#undef TARGET_WITH_CPU
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/* Use b modifier when opening binary files? */
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#undef USE_BINARY_FOPEN
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/* Allow use of EF_MIPS_ABI_O32 on MIPS targets. */
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#undef USE_EF_MIPS_ABI_O32
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/* Use emulation support? */
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#undef USE_EMULATIONS
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/* Enable extensions on AIX 3, Interix. */
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#ifndef _ALL_SOURCE
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# undef _ALL_SOURCE
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#endif
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/* Enable GNU extensions on systems that have them. */
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#ifndef _GNU_SOURCE
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# undef _GNU_SOURCE
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#endif
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/* Enable threading extensions on Solaris. */
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#ifndef _POSIX_PTHREAD_SEMANTICS
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# undef _POSIX_PTHREAD_SEMANTICS
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#endif
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/* Enable extensions on HP NonStop. */
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#ifndef _TANDEM_SOURCE
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# undef _TANDEM_SOURCE
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#endif
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/* Enable general extensions on Solaris. */
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#ifndef __EXTENSIONS__
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# undef __EXTENSIONS__
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#endif
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/* Using cgen code? */
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#undef USING_CGEN
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/* Version number of package */
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#undef VERSION
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/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
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significant byte first (like Motorola and SPARC, unlike Intel). */
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#if defined AC_APPLE_UNIVERSAL_BUILD
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# if defined __BIG_ENDIAN__
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# define WORDS_BIGENDIAN 1
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# endif
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#else
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# ifndef WORDS_BIGENDIAN
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# undef WORDS_BIGENDIAN
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# endif
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#endif
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/* Define to 1 if `lex' declares `yytext' as a `char *' by default, not a
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`char[]'. */
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#undef YYTEXT_POINTER
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/* Enable large inode numbers on Mac OS X 10.5. */
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#ifndef _DARWIN_USE_64_BIT_INODE
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# define _DARWIN_USE_64_BIT_INODE 1
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#endif
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/* Number of bits in a file offset, on hosts where this is settable. */
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#undef _FILE_OFFSET_BITS
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/* Define for large files, on AIX-style hosts. */
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#undef _LARGE_FILES
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/* Define to 1 if on MINIX. */
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#undef _MINIX
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/* Define to 2 if the system does not provide POSIX.1 features except with
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this defined. */
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#undef _POSIX_1_SOURCE
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/* Define to 1 if you need to in order for `stat' and other things to work. */
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#undef _POSIX_SOURCE
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