Add --enable-default-pie option to GCC configure

Programming / Compilers / GCC - hjl [138bc75d-0d04-0410-961f-82ee72b054a4] - 27 May 2015 21:36 UTC

Add --enable-default-pie option to configure GCC to generate PIE by default.

gcc/

- Makefile.in (COMPILER): Add @NO_PIE_CFLAGS@. (BUILD_CFLAGS): Likewise. (BUILD_CXXFLAGS): Likewise. (LINKER): Add @NO_PIE_FLAG@. (BUILD_LDFLAGS): Likewise. (libgcc.mvars): Set NO_PIE_CFLAGS to -fno-PIE for
--enable-default-pie.
- common.opt (fPIE): Initialize to -1. (fpie): Likewise. (no-pie): New option. (pie): Replace "Negative(shared)" with "Negative(no-pie)".
- configure.ac: Add --enable-default-pie. (NO_PIE_CFLAGS): New. Check if -fno-PIE works. AC_SUBST. (NO_PIE_FLAG): New. Check if -no-pie works. AC_SUBST.
- defaults.h (DEFAULT_FLAG_PIE): New. Default PIE to -fPIE.
- gcc.c (NO_PIE_SPEC): New. (PIE_SPEC): Likewise. (NO_FPIE1_SPEC): Likewise. (FPIE1_SPEC): Likewise. (NO_FPIE2_SPEC): Likewise. (FPIE2_SPEC): Likewise. (NO_FPIE2_SPEC): Likewise. (FPIE_SPEC): Likewise. (NO_FPIE_SPEC): Likewise. (NO_FPIC1_SPEC): Likewise. (FPIC1_SPEC): Likewise. (NO_FPIC2_SPEC): Likewise. (FPIC2_SPEC): Likewise. (NO_FPIC2_SPEC): Likewise. (FPIC_SPEC): Likewise. (NO_FPIC_SPEC): Likewise. (NO_FPIE1_AND_FPIC1_SPEC): Likewise. (FPIE1_OR_FPIC1_SPEC): Likewise. (NO_FPIE2_AND_FPIC2_SPEC): Likewise. (FPIE2_OR_FPIC2_SPEC): Likewise. (NO_FPIE_AND_FPIC_SPEC): Likewise. (FPIE_OR_FPIC_SPEC): Likewise. (LD_PIE_SPEC): Likewise. (LINK_PIE_SPEC): Handle -no-pie. Use PIE_SPEC and LD_PIE_SPEC.
- opts.c (finish_options): Update opts->x_flag_pie if it is -1.
- config/darwin.h (PIE_SPEC): Renamed to ... (DARWIN_PIE_SPEC): This. (LINK_SPEC): Replace PIE_SPEC with DARWIN_PIE_SPEC.
- config/darwin9.h (PIE_SPEC): Renamed to ... (DARWIN_PIE_SPEC): This.
- config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Use PIE_SPEC and NO_PIE_SPEC if HAVE_LD_PIE is defined.
- config/openbsd.h (ASM_SPEC): Use FPIE1_OR_FPIC1_SPEC and FPIE2_OR_FPIC2_SPEC.
- config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
- config/m68k/openbsd.h (ASM_SPEC): Likewise.
- gcc/config/sol2.h (ASM_PIC_SPEC): Likewise.
- config/arm/freebsd.h (SUBTARGET_EXTRA_ASM_SPEC): Likewise.
- config/arm/netbsd-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Likewise.
- config/arm/semi.h (SUBTARGET_EXTRA_ASM_SPEC): Likewise.
- config/cris/linux.h (CRIS_ASM_SUBTARGET_SPEC): Likewise.
- config/m32r/m32r.h (ASM_SPEC): Likewise.
- config/m68k/uclinux.h (DRIVER_SELF_SPECS): Likewise.
- config/rs6000/linux64.h (ASM_SPEC32): Likewise.
- config/rs6000/sysv4.h (ASM_SPEC): Likewise.
- config/sparc/freebsd.h (ASM_SPEC): Likewise.
- config/sparc/linux.h (ASM_SPEC): Likewise.
- config/sparc/linux64.h (ASM_SPEC): Likewise.
- config/sparc/netbsd-elf.h (ASM_SPEC): Likewise.
- config/sparc/openbsd64.h (ASM_SPEC): Likewise.
- config/sparc/sp-elf.h (ASM_SPEC): Likewise.
- config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
- config/sparc/sparc.h (ASM_SPEC): Likewise.
- config/sparc/sysv4.h (ASM_SPEC): Likewise.
- config/sparc/vxworks.h (ASM_SPEC): Likewise.
- config/c6x/elf-common.h (ASM_SPEC): Use NO_FPIC2_SPEC, FPIC2_SPEC, FPIC1_SPEC and FPIC2_SPEC.
- config/c6x/uclinux-elf.h (LINK_SPEC): Use FPIE_SPEC.
- config/frv/frv.h (DRIVER_SELF_SPECS): Use FPIC_SPEC, NO_FPIC_SPEC and NO_FPIE1_AND_FPIC1_SPEC. (ASM_SPEC): Use FPIE1_OR_FPIC1_SPEC and FPIE2_OR_FPIC2_SPEC.
- config/m68k/m68k.h (ASM_PCREL_SPEC): Use FPIC_SPEC and NO_FPIC_SPEC.
- config/mips/gnu-user.h (NO_SHARED_SPECS): Use NO_FPIE_AND_FPIC_SPEC.
- config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Use FPIC_SPEC.
- config/rs6000/freebsd64.h (ASM_SPEC32): Likewise.
- config/rs6000/vxworks.h (ASM_SPEC): Likewise.
- config/vax/linux.h (ASM_SPEC): Likewise.
- doc/install.texi: Document --enable-default-pie.
- doc/invoke.texi: Document -no-pie.
- config.in: Regenerated.
- configure: Likewise.

gcc/ada/

- gcc-interface/Makefile.in (TOOLS_LIBS): Add @NO_PIE_FLAG@.

libgcc/

- Makefile.in (CRTSTUFF_CFLAGS): Add $(NO_PIE_CFLAGS).

e9abca4 Add --enable-default-pie option to GCC configure
gcc/ChangeLog | 92 +++++++++++++++++++++++++++++++++++++
gcc/Makefile.in | 15 ++++++
gcc/ada/ChangeLog | 4 ++
gcc/ada/gcc-interface/Makefile.in | 3 ++
gcc/common.opt | 10 ++--
gcc/config.in | 6 +++
gcc/config/arm/freebsd.h | 2 +-
gcc/config/arm/netbsd-elf.h | 2 +-
gcc/config/arm/semi.h | 2 +-
gcc/config/c6x/elf-common.h | 6 ++-
gcc/config/c6x/uclinux-elf.h | 2 +-
gcc/config/cris/linux.h | 4 +-
gcc/config/darwin.h | 4 +-
gcc/config/darwin9.h | 4 +-
gcc/config/frv/frv.h | 10 ++--
gcc/config/gnu-user.h | 7 ++-
gcc/config/m32r/m32r.h | 2 +-
gcc/config/m68k/m68k.h | 3 +-
gcc/config/m68k/netbsd-elf.h | 3 +-
gcc/config/m68k/openbsd.h | 3 +-
gcc/config/m68k/uclinux.h | 2 +-
gcc/config/mips/gnu-user.h | 2 +-
gcc/config/mips/vxworks.h | 2 +-
gcc/config/openbsd.h | 2 +-
gcc/config/rs6000/freebsd64.h | 2 +-
gcc/config/rs6000/linux64.h | 2 +-
gcc/config/rs6000/sysv4.h | 2 +-
gcc/config/rs6000/vxworks.h | 2 +-
gcc/config/sol2.h | 2 +-
gcc/config/sparc/freebsd.h | 2 +-
gcc/config/sparc/linux.h | 2 +-
gcc/config/sparc/linux64.h | 2 +-
gcc/config/sparc/netbsd-elf.h | 2 +-
gcc/config/sparc/openbsd64.h | 2 +-
gcc/config/sparc/sp-elf.h | 2 +-
gcc/config/sparc/sp64-elf.h | 2 +-
gcc/config/sparc/sparc.h | 2 +-
gcc/config/sparc/sysv4.h | 2 +-
gcc/config/sparc/vxworks.h | 2 +-
gcc/config/vax/linux.h | 2 +-
gcc/configure | 79 ++++++++++++++++++++++++++++++-
gcc/configure.ac | 40 ++++++++++++++++
gcc/defaults.h | 12 +++++
gcc/doc/install.texi | 3 ++
gcc/doc/invoke.texi | 4 ++
gcc/gcc.c | 49 +++++++++++++++++++-
gcc/opts.c | 9 ++++
libgcc/ChangeLog | 4 ++
libgcc/Makefile.in | 2 +-
49 files changed, 375 insertions(+), 51 deletions(-)

Upstream: gcc.gnu.org

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