X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fgdbserver%2Fconfigure.ac;h=4ea7913c9818aa0e2d96ac5891c28962ee3dc0bc;hb=8465943af6a6f756c3d4b077eb1081ade927b26b;hp=a631c7eb0fa396e1d7a548c0914e83d07b2539f2;hpb=cdbfd4198ec38a42766a578d4058bd752d25011c;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/gdbserver/configure.ac b/gdb/gdbserver/configure.ac index a631c7eb0f..4ea7913c98 100644 --- a/gdb/gdbserver/configure.ac +++ b/gdb/gdbserver/configure.ac @@ -1,6 +1,5 @@ dnl Autoconf configure script for GDB server. -dnl Copyright (C) 2000, 2002, 2003, 2004, 2005, 2006, 2007, 2008 -dnl Free Software Foundation, Inc. +dnl Copyright (C) 2000-2017 Free Software Foundation, Inc. dnl dnl This file is part of GDB. dnl @@ -23,64 +22,241 @@ AC_PREREQ(2.59)dnl AC_INIT(server.c) AC_CONFIG_HEADER(config.h:config.in) -AC_CONFIG_LIBOBJ_DIR(../gnulib) + +AM_MAINTAINER_MODE AC_PROG_CC +AC_PROG_CXX AC_GNU_SOURCE +AC_SYS_LARGEFILE AC_CANONICAL_SYSTEM AC_PROG_INSTALL +AC_CHECK_TOOL(AR, ar) +AC_PROG_RANLIB AC_ARG_PROGRAM +# We require a C++11 compiler. Check if one is available, and if +# necessary, set CXX_DIALECT to some -std=xxx switch. +AX_CXX_COMPILE_STDCXX(11, , mandatory) + AC_HEADER_STDC +# Set the 'development' global. +. $srcdir/../../bfd/development.sh + +# Enable -lmcheck by default (it provides cheap-enough memory +# mangling), but turn it off for releases. +if $development; then + libmcheck_default=yes +else + libmcheck_default=no +fi +GDB_AC_LIBMCHECK(${libmcheck_default}) + +ACX_NONCANONICAL_TARGET +ACX_NONCANONICAL_HOST + +# Dependency checking. +ZW_CREATE_DEPDIR +ZW_PROG_COMPILER_DEPENDENCIES([CC]) + +gnulib_extra_configure_args= +# If large-file support is disabled, make sure gnulib does the same. +if test "$enable_largefile" = no; then +gnulib_extra_configure_args="$gnulib_extra_configure_args --disable-largefile" +fi + +# Configure gnulib. We can't use AC_CONFIG_SUBDIRS as that'd expect +# to find the the source subdir to be configured directly under +# gdbserver/. We need to build gnulib under some other directory not +# "gnulib", to avoid the problem of both GDB and GDBserver wanting to +# build it in the same directory, when building in the source dir. +ACX_CONFIGURE_DIR(["../gnulib"], ["build-gnulib-gdbserver"], + ["$gnulib_extra_configure_args"]) + +ACX_CONFIGURE_DIR(["../../libiberty"], ["build-libiberty-gdbserver"]) + AC_CHECK_HEADERS(sgtty.h termio.h termios.h sys/reg.h string.h dnl - proc_service.h sys/procfs.h thread_db.h linux/elf.h dnl - stdlib.h unistd.h dnl - errno.h fcntl.h signal.h sys/file.h malloc.h dnl + proc_service.h sys/procfs.h linux/elf.h dnl + fcntl.h signal.h sys/file.h dnl sys/ioctl.h netinet/in.h sys/socket.h netdb.h dnl - netinet/tcp.h arpa/inet.h sys/wait.h) -AC_CHECK_FUNCS(pread pwrite pread64) -AC_REPLACE_FUNCS(memmem) - -have_errno=no -AC_MSG_CHECKING(for errno) -AC_TRY_LINK([ -#if HAVE_ERRNO_H -#include -#endif], [static int x; x = errno;], - [AC_MSG_RESULT(yes - in errno.h); AC_DEFINE(HAVE_ERRNO, 1, [Define if errno is available]) have_errno=yes]) -if test $have_errno = no; then -AC_TRY_LINK([ -#if HAVE_ERRNO_H -#include -#endif], [extern int errno; static int x; x = errno;], - [AC_MSG_RESULT(yes - must define); AC_DEFINE(HAVE_ERRNO, 1, [Define if errno is available]) AC_DEFINE(MUST_DEFINE_ERRNO, 1, [Checking if errno must be defined])], - [AC_MSG_RESULT(no)]) -fi - -AC_CHECK_DECLS([strerror, perror, memmem]) + netinet/tcp.h arpa/inet.h) +AC_FUNC_FORK +AC_CHECK_FUNCS(getauxval pread pwrite pread64 setns) + +GDB_AC_COMMON + +# Check the return and argument types of ptrace. +GDB_AC_PTRACE + +# Check for UST +ustlibs="" +ustinc="" + +AC_ARG_WITH(ust, [ --with-ust=PATH Specify prefix directory for the installed UST package + Equivalent to --with-ust-include=PATH/include + plus --with-ust-lib=PATH/lib]) +AC_ARG_WITH(ust_include, [ --with-ust-include=PATH Specify directory for installed UST include files]) +AC_ARG_WITH(ust_lib, [ --with-ust-lib=PATH Specify the directory for the installed UST library]) + +case $with_ust in + no) + ustlibs= + ustinc= + ;; + "" | yes) + ustlibs=" -lust " + ustinc="" + ;; + *) + ustlibs="-L$with_ust/lib -lust" + ustinc="-I$with_ust/include " + ;; +esac +if test "x$with_ust_include" != x; then + ustinc="-I$with_ust_include " +fi +if test "x$with_ust_lib" != x; then + ustlibs="-L$with_ust_lib -lust" +fi + +if test "x$with_ust" != "xno"; then + saved_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS $ustinc" + AC_MSG_CHECKING([for ust]) + AC_TRY_COMPILE([ +#define CONFIG_UST_GDB_INTEGRATION +#include + ],[], + [AC_MSG_RESULT([yes]); AC_DEFINE(HAVE_UST, 1, [Define if UST is available])], + [AC_MSG_RESULT([no]); ustlibs= ; ustinc= ]) + CFLAGS="$saved_CFLAGS" +fi + +# Flags needed for UST +AC_SUBST(ustlibs) +AC_SUBST(ustinc) + +AM_GDB_WARNINGS +dnl The codebase isn't clean yet with this flag. +case " $WARN_CFLAGS " in +*" -Wmissing-prototypes "*) + WARN_CFLAGS="$WARN_CFLAGS -Wno-missing-prototypes" + ;; +esac + +dnl dladdr is glibc-specific. It is used by thread-db.c but only for +dnl debugging messages. It lives in -ldl which is handled below so we don't +dnl use AC_CHECK_LIB (or AC_SEARCH_LIBS) here. Instead we just temporarily +dnl augment LIBS. +old_LIBS="$LIBS" +LIBS="$LIBS -ldl" +AC_CHECK_FUNCS(dladdr) +LIBS="$old_LIBS" + +libiberty_INIT + +AC_CHECK_DECLS([strerror, perror, vasprintf, vsnprintf]) + +AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize]) + +# See if supports the %fs_base and %gs_bas amd64 segment registers. +# Older amd64 Linux's don't have the fs_base and gs_base members of +# `struct user_regs_struct'. +AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base], + [], [], [#include ]) + AC_CHECK_TYPES(socklen_t, [], [], [#include #include ]) +case "${target}" in + *-android*) + # Starting with NDK version 9, actually includes definitions + # of Elf32_auxv_t and Elf64_auxv_t. But sadly, includes + # which defines some of the ELF types incorrectly, + # leading to conflicts with the defintions from . + # This makes it impossible for us to include both and + # , which means that, in practice, we do not have + # access to Elf32_auxv_t and Elf64_auxv_t on this platform. + # Therefore, do not try to auto-detect availability, as it would + # get it wrong on this platform. + ;; + *) + AC_CHECK_TYPES([Elf32_auxv_t, Elf64_auxv_t], [], [], + #include + ) +esac + ACX_PKGVERSION([GDB]) ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/]) AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description]) AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address]) +# Check for various supplementary target information (beyond the +# triplet) which might affect the choices in configure.srv. +case "${target}" in +changequote(,)dnl + i[34567]86-*-linux*) +changequote([,])dnl + AC_CACHE_CHECK([if building for x86-64], [gdb_cv_i386_is_x86_64], + [save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS $CFLAGS" + AC_EGREP_CPP([got it], [ +#if __x86_64__ +got it +#endif + ], [gdb_cv_i386_is_x86_64=yes], + [gdb_cv_i386_is_x86_64=no]) + CPPFLAGS="$save_CPPFLAGS"]) + ;; + + x86_64-*-linux*) + AC_CACHE_CHECK([if building for x32], [gdb_cv_x86_is_x32], + [save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS $CFLAGS" + AC_EGREP_CPP([got it], [ +#if __x86_64__ && __ILP32__ +got it +#endif + ], [gdb_cv_x86_is_x32=yes], + [gdb_cv_x86_is_x32=no]) + CPPFLAGS="$save_CPPFLAGS"]) + ;; + + m68k-*-*) + AC_CACHE_CHECK([if building for Coldfire], [gdb_cv_m68k_is_coldfire], + [save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS $CFLAGS" + AC_EGREP_CPP([got it], [ +#ifdef __mcoldfire__ +got it +#endif + ], [gdb_cv_m68k_is_coldfire=yes], + [gdb_cv_m68k_is_coldfire=no]) + CPPFLAGS="$save_CPPFLAGS"]) + ;; +esac + . ${srcdir}/configure.srv +# Add in the common host objects. +. ${srcdir}/../common/common.host +srv_host_obs="$common_host_obs" + if test "${srv_mingwce}" = "yes"; then LIBS="$LIBS -lws2" elif test "${srv_mingw}" = "yes"; then - LIBS="$LIBS -lwsock32" + LIBS="$LIBS -lws2_32" elif test "${srv_qnx}" = "yes"; then LIBS="$LIBS -lsocket" +elif test "${srv_lynxos}" = "yes"; then + LIBS="$LIBS -lnetinet" fi if test "${srv_mingw}" = "yes"; then @@ -128,27 +304,65 @@ if test "${srv_linux_regsets}" = "yes"; then fi fi +if test "${srv_linux_btrace}" = "yes"; then + AC_DEFINE(HAVE_LINUX_BTRACE, 1, + [Define if the target supports branch tracing.]) +fi + if test "$ac_cv_header_sys_procfs_h" = yes; then BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t) BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t) BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t) + BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t) BFD_HAVE_SYS_PROCFS_TYPE(elf_fpregset_t) fi +dnl Some systems (e.g., Android) have lwpid_t defined in libthread_db.h. +if test "$bfd_cv_have_sys_procfs_type_lwpid_t" != yes; then + GDBSERVER_HAVE_THREAD_DB_TYPE(lwpid_t) +fi + +dnl Some systems (e.g., Android) have psaddr_t defined in libthread_db.h. +if test "$bfd_cv_have_sys_procfs_type_psaddr_t" != yes; then + GDBSERVER_HAVE_THREAD_DB_TYPE(psaddr_t) +fi + +dnl Check for libdl, but do not add it to LIBS as only gdbserver +dnl needs it (and gdbreplay doesn't). +old_LIBS="$LIBS" +AC_CHECK_LIB(dl, dlopen) +LIBS="$old_LIBS" + srv_thread_depfiles= srv_libs= -USE_THREAD_DB= if test "$srv_linux_thread_db" = "yes"; then - srv_libs="-ldl" - old_LDFLAGS="$LDFLAGS" - LDFLAGS="$LDFLAGS -rdynamic" - AC_TRY_LINK([], [], [RDYNAMIC=-rdynamic], [RDYNAMIC=]) - AC_SUBST(RDYNAMIC) - LDFLAGS="$old_LDFLAGS" + if test "$ac_cv_lib_dl_dlopen" = "yes"; then + srv_libs="-ldl" + AC_MSG_CHECKING(for the dynamic export flag) + old_LDFLAGS="$LDFLAGS" + # Older GNU ld supports --export-dynamic but --dynamic-list may not be + # supported there. + RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list" + LDFLAGS="$LDFLAGS $RDYNAMIC" + AC_TRY_LINK([], [], + [found="-Wl,--dynamic-list" + RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'], + [RDYNAMIC="-rdynamic" + LDFLAGS="$old_LDFLAGS $RDYNAMIC" + AC_TRY_LINK([], [], + [found="-rdynamic"], + [found="no" + RDYNAMIC=""])]) + AC_SUBST(RDYNAMIC) + LDFLAGS="$old_LDFLAGS" + AC_MSG_RESULT($found) + else + srv_libs="-lthread_db" + fi srv_thread_depfiles="thread-db.o proc-service.o" - USE_THREAD_DB="-DUSE_THREAD_DB" + AC_DEFINE(USE_THREAD_DB, 1, [Define if we should use libthread_db.]) AC_CACHE_CHECK([for TD_VERSION], gdbsrv_cv_have_td_version, [AC_TRY_COMPILE([#include ], [TD_VERSION;], [gdbsrv_cv_have_td_version=yes], @@ -158,6 +372,16 @@ if test "$srv_linux_thread_db" = "yes"; then fi fi +AC_ARG_WITH(libthread-db, +AS_HELP_STRING([--with-libthread-db=PATH], [use given libthread_db directly]), +[srv_libthread_db_path="${withval}" + srv_libs="$srv_libthread_db_path" +]) + +if test "$srv_libs" != "" -a "$srv_libs" != "-ldl"; then + AC_DEFINE(USE_LIBTHREAD_DB_DIRECTLY, 1, [Define if we should use libthread_db directly.]) +fi + if test "$srv_xmlfiles" != ""; then srv_xmlbuiltin="xml-builtin.o" AC_DEFINE(USE_XML, 1, [Define if an XML target description is available.]) @@ -169,18 +393,102 @@ if test "$srv_xmlfiles" != ""; then done fi -GDBSERVER_DEPFILES="$srv_regobj $srv_tgtobj $srv_hostio_err_objs $srv_thread_depfiles" +GDBSERVER_DEPFILES="$srv_regobj $srv_tgtobj $srv_hostio_err_objs $srv_thread_depfiles $srv_host_obs" GDBSERVER_LIBS="$srv_libs" +dnl Check whether the target supports __sync_*_compare_and_swap. +AC_CACHE_CHECK([whether the target supports __sync_*_compare_and_swap], + gdbsrv_cv_have_sync_builtins, [ +AC_TRY_LINK([], [int foo, bar; bar = __sync_val_compare_and_swap(&foo, 0, 1);], + gdbsrv_cv_have_sync_builtins=yes, + gdbsrv_cv_have_sync_builtins=no)]) +if test $gdbsrv_cv_have_sync_builtins = yes; then + AC_DEFINE(HAVE_SYNC_BUILTINS, 1, + [Define to 1 if the target supports __sync_*_compare_and_swap]) +fi + +dnl Check for -fvisibility=hidden support in the compiler. +saved_cflags="$CFLAGS" +CFLAGS="$CFLAGS -fvisibility=hidden" +AC_COMPILE_IFELSE(AC_LANG_PROGRAM([]), + [gdbsrv_cv_have_visibility_hidden=yes], + [gdbsrv_cv_have_visibility_hidden=no]) +CFLAGS="$saved_cflags" + +dnl Check if we can disable the virtual address space randomization. +dnl The functionality of setarch -R. +AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include ]) +define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include ], [ +# if !HAVE_DECL_ADDR_NO_RANDOMIZE +# define ADDR_NO_RANDOMIZE 0x0040000 +# endif + /* Test the flag could be set and stays set. */ + personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE); + if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE)) + return 1])]) +AC_RUN_IFELSE([PERSONALITY_TEST], + [gdbsrv_cv_have_personality=true], + [gdbsrv_cv_have_personality=false], + [AC_LINK_IFELSE([PERSONALITY_TEST], + [gdbsrv_cv_have_personality=true], + [gdbsrv_cv_have_personality=false])]) +if $gdbsrv_cv_have_personality +then + AC_DEFINE([HAVE_PERSONALITY], 1, + [Define if you support the personality syscall.]) +fi + + +IPA_DEPFILES="" +extra_libraries="" + +# check whether to enable the inprocess agent +if test "$ipa_obj" != "" \ + -a "$gdbsrv_cv_have_sync_builtins" = yes \ + -a "$gdbsrv_cv_have_visibility_hidden" = yes; then + have_ipa=true +else + have_ipa=false +fi + +AC_ARG_ENABLE(inprocess-agent, +AS_HELP_STRING([--enable-inprocess-agent], [inprocess agent]), +[case "$enableval" in + yes) want_ipa=true ;; + no) want_ipa=false ;; + *) AC_MSG_ERROR([bad value $enableval for inprocess-agent]) ;; +esac], +[want_ipa=$have_ipa]) + +if $want_ipa ; then + if $have_ipa ; then + IPA_DEPFILES="$ipa_obj" + extra_libraries="$extra_libraries libinproctrace.so" + else + AC_MSG_ERROR([inprocess agent not supported for this target]) + fi +fi + AC_SUBST(GDBSERVER_DEPFILES) AC_SUBST(GDBSERVER_LIBS) -AC_SUBST(USE_THREAD_DB) AC_SUBST(srv_xmlbuiltin) AC_SUBST(srv_xmlfiles) +AC_SUBST(IPA_DEPFILES) +AC_SUBST(extra_libraries) -AC_OUTPUT(Makefile, +GNULIB=build-gnulib-gdbserver/import + +GNULIB_STDINT_H= +if test x"$STDINT_H" != x; then + GNULIB_STDINT_H=$GNULIB/$STDINT_H +fi +AC_SUBST(GNULIB_STDINT_H) + +AC_CONFIG_FILES([Makefile], [case x$CONFIG_HEADERS in xconfig.h:config.in) echo > stamp-h ;; esac ]) + +AC_OUTPUT