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2022-11-22Revert "configure: Implement --enable-host-pie"Marek Polacek1-8/+3
This reverts commit 251c72a68af3a8b0638705b73ef120ffdf0053eb.
2022-11-22configure: Implement --enable-host-pieMarek Polacek1-3/+8
This patch implements the --enable-host-pie configure option which makes the compiler executables PIE. This can be used to enhance protection against ROP attacks, and can be viewed as part of a wider trend to harden binaries. It is similar to the option --enable-host-shared, except that --e-h-s won't add -shared to the linker flags whereas --e-h-p will add -pie. It is different from --enable-default-pie because that option just adds an implicit -fPIE/-pie when the compiler is invoked, but the compiler itself isn't PIE. Since r12-5768-gfe7c3ecf, PCH works well with PIE, so there are no PCH regressions. When building the compiler, the build process may use various in-tree libraries; these need to be built with -fPIE so that it's possible to use them when building a PIE. For instance, when --with-included-gettext is in effect, intl object files must be compiled with -fPIE. Similarly, when building in-tree gmp, isl, mpfr and mpc, they must be compiled with -fPIE. I plan to add an option to link with -Wl,-z,now. ChangeLog: * Makefile.def: Pass $(PICFLAG) to AM_CFLAGS for gmp, mpfr, mpc, and isl. * Makefile.in: Regenerate. * Makefile.tpl: Set PICFLAG. * configure.ac (--enable-host-pie): New check. Set PICFLAG after this check. * configure: Regenerate. c++tools/ChangeLog: * Makefile.in: Rename PIEFLAG to PICFLAG. Set LD_PICFLAG. Use it. Use pic/libiberty.a if PICFLAG is set. * configure.ac (--enable-default-pie): Set PICFLAG instead of PIEFLAG. (--enable-host-pie): New check. * configure: Regenerate. fixincludes/ChangeLog: * Makefile.in: Set and use PICFLAG and LD_PICFLAG. Use the "pic" build of libiberty if PICFLAG is set. * configure.ac: * configure: Regenerate. gcc/ChangeLog: * Makefile.in: Set LD_PICFLAG. Use it. Set enable_host_pie. Remove NO_PIE_CFLAGS and NO_PIE_FLAG. Pass LD_PICFLAG to ALL_LINKERFLAGS. Use the "pic" build of libiberty if --enable-host-pie. * configure.ac (--enable-host-shared): Don't set PICFLAG here. (--enable-host-pie): New check. Set PICFLAG and LD_PICFLAG after this check. * configure: Regenerate. * doc/install.texi: Document --enable-host-pie. gcc/d/ChangeLog: * Make-lang.in: Remove NO_PIE_CFLAGS. intl/ChangeLog: * Makefile.in: Use @PICFLAG@ in COMPILE as well. * configure.ac (--enable-host-shared): Don't set PICFLAG here. (--enable-host-pie): New check. Set PICFLAG after this check. * configure: Regenerate. libcody/ChangeLog: * Makefile.in: Pass LD_PICFLAG to LDFLAGS. * configure.ac (--enable-host-shared): Don't set PICFLAG here. (--enable-host-pie): New check. Set PICFLAG and LD_PICFLAG after this check. * configure: Regenerate. libcpp/ChangeLog: * configure.ac (--enable-host-shared): Don't set PICFLAG here. (--enable-host-pie): New check. Set PICFLAG after this check. * configure: Regenerate. libdecnumber/ChangeLog: * configure.ac (--enable-host-shared): Don't set PICFLAG here. (--enable-host-pie): New check. Set PICFLAG after this check. * configure: Regenerate. libiberty/ChangeLog: * configure.ac: Also set shared when enable_host_pie. * configure: Regenerate. zlib/ChangeLog: * configure.ac (--enable-host-shared): Don't set PICFLAG here. (--enable-host-pie): New check. Set PICFLAG after this check. * configure: Regenerate.
2022-01-03Update copyright years.Jakub Jelinek1-1/+1
2021-10-22Add install-dvi Makefile targets.Eric Gallager1-0/+1
Closes #102663 ChangeLog: PR other/102663 * Makefile.def: Handle install-dvi target. * Makefile.tpl: Likewise. * Makefile.in: Regenerate. c++tools/ChangeLog: PR other/102663 * Makefile.in: Add dummy install-dvi target. gcc/ChangeLog: PR other/102663 * Makefile.in: Handle dvidir and install-dvi target. * configure: Regenerate. * configure.ac: Add install-dvi to target_list. gcc/ada/ChangeLog: PR other/102663 * gcc-interface/Make-lang.in: Allow dvi-formatted documentation to be installed. gcc/c/ChangeLog: PR other/102663 * Make-lang.in: Add dummy c.install-dvi target. gcc/cp/ChangeLog: PR other/102663 * Make-lang.in: Add dummy c++.install-dvi target. gcc/d/ChangeLog: PR other/102663 * Make-lang.in: Allow dvi-formatted documentation to be installed. gcc/fortran/ChangeLog: PR other/102663 * Make-lang.in: Allow dvi-formatted documentation to be installed. gcc/lto/ChangeLog: PR other/102663 * Make-lang.in: Add dummy lto.install-dvi target. gcc/objc/ChangeLog: PR other/102663 * Make-lang.in: Add dummy objc.install-dvi target. gcc/objcp/ChangeLog: PR other/102663 * Make-lang.in: Add dummy objc++.install-dvi target. gnattools/ChangeLog: PR other/102663 * Makefile.in: Add dummy install-dvi target. libada/ChangeLog: PR other/102663 * Makefile.in: Add dummy install-dvi target. libcpp/ChangeLog: PR other/102663 * Makefile.in: Add dummy install-dvi target. libdecnumber/ChangeLog: PR other/102663 * Makefile.in: Add dummy install-dvi target. libiberty/ChangeLog: PR other/102663 * Makefile.in: Allow dvi-formatted documentation to be installed.
2021-05-25Update copyright years in c++toolsJakub Jelinek1-1/+1
While looking at PR100731, I have noticed the copyright years are 2020-ish only. This patch adds it to update-copyright.py and updates those. 2021-05-25 Jakub Jelinek <jakub@redhat.com> contrib/ * update-copyright.py: Add c++tools. c++tools/ * Makefile.in: Update copyright year. * configure.ac: Likewise. * resolver.cc: Likewise. * resolver.h: Likewise. * server.cc: Likewise. (print_version): Update copyright notice date.
2021-05-10Use genversion to generate version.h.Martin Liska1-2/+2
c++tools/ChangeLog: * Makefile.in: Include also ../gcc folder. gcc/ChangeLog: * Makefile.in: Rename gcov-iov to genversion and depend on version.h (instead of gcov-iov.h). * gcov-io.h: Include version.h instread of gcov-iov.h. * gengtype-state.c (read_state_version): Likewise. * gcov-iov.c: Moved to... * genversion.c: ...here. * lto-streamer.h (LTO_major_version): Define it with GCC_major_version. * version.c: Removed. * version.h: Removed. libgcc/ChangeLog: * libgcov-driver.c (gcov_version): Use different name that does not clash with newly introduced macro.
2021-01-05build: libcody: Link with -lsocket -lnsl if necessary [PR98316]Rainer Orth1-1/+2
With the introduction of C++20 modules and libcody, cc1plus and cc1objplus gained a dependency on the socket functions. Before those were merged into libc in Solaris 11.4, one needed to link with -lsocket -lnsl on Solaris, so that merge broke the Solaris 11.3 build. While we already have 4 different checks for those libraries in the tree, I decided to import autoconf-archive's AX_LIB_SOCKET_NSL macro instead. At the same time, the patch only links libcody and the networking libs where needed (cc1plus, cc1objplus). Bootstrapped without regressions on i386-pc-solaris2.11 (Solaris 11.3 and 11.4), sparc-sun-solaris2.11, and x86_64-pc-linux-gnu. 2020-12-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> c++tools: PR c++/98316 * configure.ac: Include ../config/ax_lib_socket_nsl.m4. (NETLIBS): Determine using AX_LIB_SOCKET_NSL. * configure: Regenerate. * Makefile.in (NETLIBS): Define. (g++-mapper-server$(exeext)): Add $(NETLIBS). gcc/objcp: PR c++/98316 * Make-lang.in (cc1objplus$(exeext)): Add $(CODYLIB), $(NETLIBS). gcc/cp: PR c++/98316 * Make-lang.in (cc1plus$(exeext)): Add $(CODYLIB), $(NETLIBS). gcc: PR c++/98316 * configure.ac (NETLIBS): Determine using AX_LIB_SOCKET_NSL. * aclocal.m4, configure: Regenerate. * Makefile.in (NETLIBS): Define. (BACKEND): Remove $(CODYLIB). config: PR c++/98316 * ax_lib_socket_nsl.m4: Import from autoconf-archive.
2020-12-23c++tools: Fix PIE [PR 98324]Nathan Sidwell1-2/+4
This adds --enable-default-pie support to c++tools, so that the sample server is build -fPIE if requested. PR bootstrap/98324 c++tools/ * Makefile.in: Add FLAGPIE. * configure.ac: Add --enable-default-pie support. * configure: Rebuilt.
2020-12-21c++tools: Fix exe suffix [PR 98409]Nathan Sidwell1-1/+1
I had a thinko about variable case, and, coupled with Make's behaviour of just consing up variables out of nothing, and linux not having an executable extension, didn't notice. PR other/98409 c++tools/ * Makefile.in: Fix exeext variable case.
2020-12-17c++tools: Fix up c++tools for --with-gcc-major-version-onlyJakub Jelinek1-2/+2
Seems c++tools doesn't honor --with-gcc-major-version-only. Our distro uses that flag and so everything is installed in /usr/lib/gcc/<target>/11/... /usr/libexec/gcc/<target>/11/... except /usr/libexec/gcc/<target>/11.0.0/g++-mapper-server The following patch should fix that. 2020-12-17 Jakub Jelinek <jakub@redhat.com> * configure.ac: Add GCC_BASE_VER. * Makefile.in (version): Remove variable. (gcc_version): New variable. (libexecsubdir): Use $(gcc_version) instead of $(version). * configure: Regenerated.
2020-12-16c++tools: fix install-strip [PR 98328]Nathan Sidwell1-13/+20
I'd missed an install-strip rule in c++tools. Here it is, cribbed from gcc/ subdir. c++tools/ * Makefile.in (INSTALL): Replace with ... (INSTALL_PROGRAM): ... this. (INSTALL_STRIP_PROGRAM): New. (install-strip): New target. (install): Use INSTALL_PROGRAM. * configure.ac: Add INSTALL_PROGRAM. * configure: Regenerated.
2020-12-16c++tools: Fix (an) install issueNathan Sidwell1-3/+4
This fixes installers that don't understand -p. c++tools/ * Makefile.in (install): Do not use -p, use mkinstalldirs. (clean): Fix typo.
2020-12-15Add c++toolsNathan Sidwell1-0/+125
Part of our module implementation adds a sample mapper server, the guts of which are used by the default in-process mapping of cc1plus. Rather than add another executable to gcc/cp/, this creates a new c++tools directory where this and any other c++ tools might live. The toplevel changes are a subsequent commit, because ... git. c++tools/ChangeLog: * Makefile.in: New. * config.h.in: New. * configure: New. * configure.ac: New. * resolver.cc: New. * resolver.h: New. * server.cc: New.
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