130 lines
4.0 KiB
C
130 lines
4.0 KiB
C
/* Base configuration file for all DragonFly targets.
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Copyright (C) 2014-2017 Free Software Foundation, Inc.
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Contributed by John Marino <gnugcc@marino.st>
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#undef TARGET_OS_CPP_BUILTINS
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#define TARGET_OS_CPP_BUILTINS() \
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do \
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{ \
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builtin_define_std ("unix"); \
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builtin_define ("__DragonFly__"); \
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builtin_assert ("system=unix"); \
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builtin_assert ("system=bsd"); \
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builtin_assert ("system=DragonFly"); \
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} \
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while (0)
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#undef CPP_SPEC
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#define CPP_SPEC \
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"%(cpp_cpu) %(cpp_arch) %{posix:-D_POSIX_SOURCE}"
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC \
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"%{!shared: \
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%{pg:gcrt1.o%s} \
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%{!pg: \
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%{p:gcrt1.o%s} \
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%{!p: \
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%{profile: gcrt1.o%s} \
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%{!profile: \
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%{pie: Scrt1.o%s;:crt1.o%s}}}}} \
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crti.o%s \
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%{shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
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#undef ENDFILE_SPEC
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#define ENDFILE_SPEC \
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"%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
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#undef LIB_SPEC
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#define LIB_SPEC \
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"%{pthread:-lpthread} -lc"
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#if defined(HAVE_LD_EH_FRAME_HDR)
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#define LINK_EH_SPEC "--eh-frame-hdr"
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#endif
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/* Provide a LINK_SPEC appropriate for DragonFly. Here we provide support
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for the special GCC options -static and -shared, which allow us to
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link things in one of these three modes by applying the appropriate
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combinations of options at link-time.
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When the -shared link option is used a final link is not being
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done. */
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#define DFBSD_LINK_SPEC \
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"%{p:%nconsider using '-pg' instead of '-p' with gprof(1)} \
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%{v:-V} \
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%{assert*} %{R*} %{rpath*} %{defsym*} \
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%{shared:-Bshareable %{h*} %{soname*}} \
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%{!shared: \
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%{!static: \
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%{rdynamic:-export-dynamic} \
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-dynamic-linker %(dfbsd_dynamic_linker) \
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} \
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%{static:-Bstatic} \
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} \
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%{!static:--hash-style=gnu} \
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%{symbolic:-Bsymbolic}"
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#undef LINK_SPEC
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#define LINK_SPEC DFBSD_LINK_SPEC
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#define DFBSD_DYNAMIC_LINKER "/usr/libexec/ld-elf.so.2"
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/* Use --as-needed -lgcc_s for eh support. */
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#ifdef HAVE_LD_AS_NEEDED
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#define USE_LD_AS_NEEDED 1
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#endif
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/************************[ Target stuff ]***********************************/
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/* All DragonFly Architectures support the ELF object file format. */
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#undef OBJECT_FORMAT_ELF
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#define OBJECT_FORMAT_ELF
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/* Don't assume anything about the header files. */
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#undef NO_IMPLICIT_EXTERN_C
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#define NO_IMPLICIT_EXTERN_C 1
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/* Follow DragonFly's standard headers (<machine/stdint.h>, etc...). */
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#undef WCHAR_TYPE
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#define WCHAR_TYPE "int"
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#undef WINT_TYPE
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#define WINT_TYPE "int"
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/* Code generation parameters. */
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/* Use periods rather than dollar signs in special g++ assembler names.
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This ensures the configuration knows our system correctly so we can link
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with libraries compiled with the native cc. */
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#undef NO_DOLLAR_IN_LABEL
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/* Used by libgcc2.c. We support file locking with fcntl / F_SETLKW.
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This enables the test coverage code to use file locking when exiting a
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program, which avoids race conditions if the program has forked. */
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#define TARGET_POSIX_IO
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