| dnl Autoconf configure script for GDB server. |
| dnl Copyright (C) 2000-2016 Free Software Foundation, Inc. |
| dnl |
| dnl This file is part of GDB. |
| dnl |
| dnl This program is free software; you can redistribute it and/or modify |
| dnl it under the terms of the GNU General Public License as published by |
| dnl the Free Software Foundation; either version 3 of the License, or |
| dnl (at your option) any later version. |
| dnl |
| dnl This program is distributed in the hope that it will be useful, |
| dnl but WITHOUT ANY WARRANTY; without even the implied warranty of |
| dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| dnl GNU General Public License for more details. |
| dnl |
| dnl You should have received a copy of the GNU General Public License |
| dnl along with this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| dnl Process this file with autoconf to produce a configure script. |
| |
| AC_PREREQ(2.59)dnl |
| |
| AC_INIT(server.c) |
| AC_CONFIG_HEADER(config.h:config.in) |
| |
| 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 |
| |
| AC_HEADER_STDC |
| |
| # See if we are building with C++, and substitute COMPILER. |
| GDB_AC_BUILD_WITH_CXX |
| |
| # 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]) |
| |
| # Check for the 'make' the user wants to use. |
| AC_CHECK_PROGS(MAKE, make) |
| MAKE_IS_GNU= |
| case "`$MAKE --version 2>&1 | sed 1q`" in |
| *GNU*) |
| MAKE_IS_GNU=yes |
| ;; |
| esac |
| AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes) |
| AC_PROG_MAKE_SET |
| |
| 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 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) |
| 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 $ustinc" |
| AC_MSG_CHECKING([for ust]) |
| AC_TRY_COMPILE([ |
| #define CONFIG_UST_GDB_INTEGRATION |
| #include <ust/ust.h> |
| ],[], |
| [AC_MSG_RESULT([yes]); AC_DEFINE(HAVE_UST, 1, [Define if UST is available])], |
| [AC_MSG_RESULT([no]); ustlibs= ; ustinc= ]) |
| CFLAGS="$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="$old_LIBS" |
| |
| libiberty_INIT |
| |
| AC_CHECK_DECLS([strerror, perror, vasprintf, vsnprintf]) |
| |
| AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize]) |
| |
| AC_CHECK_TYPES(socklen_t, [], [], |
| [#include <sys/types.h> |
| #include <sys/socket.h> |
| ]) |
| |
| case "${target}" in |
| *-android*) |
| # Starting with NDK version 9, <elf.h> actually includes definitions |
| # of Elf32_auxv_t and Elf64_auxv_t. But sadly, <elf.h> includes |
| # <sys/exec_elf.h> which defines some of the ELF types incorrectly, |
| # leading to conflicts with the defintions from <linux/elf.h>. |
| # This makes it impossible for us to include both <elf.h> and |
| # <linux/elf.h>, 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 <elf.h> |
| ) |
| 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"]) |
| ;; |
| 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 -lws2_32" |
| elif test "${srv_qnx}" = "yes"; then |
| LIBS="$LIBS -lsocket" |
| elif test "${srv_lynxos}" = "yes"; then |
| LIBS="$LIBS -lnetinet" |
| fi |
| |
| if test "${srv_mingw}" = "yes"; then |
| AC_DEFINE(USE_WIN32API, 1, |
| [Define if we should use the Windows API, instead of the |
| POSIX API. On Windows, we use the Windows API when |
| building for MinGW, but the POSIX API when building |
| for Cygwin.]) |
| fi |
| |
| if test "${srv_linux_usrregs}" = "yes"; then |
| AC_DEFINE(HAVE_LINUX_USRREGS, 1, |
| [Define if the target supports PTRACE_PEEKUSR for register ] |
| [access.]) |
| fi |
| |
| if test "${srv_linux_regsets}" = "yes"; then |
| AC_DEFINE(HAVE_LINUX_REGSETS, 1, |
| [Define if the target supports register sets.]) |
| |
| AC_MSG_CHECKING(for PTRACE_GETREGS) |
| AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getregs, |
| [AC_TRY_COMPILE([#include <sys/ptrace.h>], |
| [PTRACE_GETREGS;], |
| [gdbsrv_cv_have_ptrace_getregs=yes], |
| [gdbsrv_cv_have_ptrace_getregs=no])]) |
| AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getregs) |
| if test "${gdbsrv_cv_have_ptrace_getregs}" = "yes"; then |
| AC_DEFINE(HAVE_PTRACE_GETREGS, 1, |
| [Define if the target supports PTRACE_GETREGS for register ] |
| [access.]) |
| fi |
| |
| AC_MSG_CHECKING(for PTRACE_GETFPXREGS) |
| AC_CACHE_VAL(gdbsrv_cv_have_ptrace_getfpxregs, |
| [AC_TRY_COMPILE([#include <sys/ptrace.h>], |
| [PTRACE_GETFPXREGS;], |
| [gdbsrv_cv_have_ptrace_getfpxregs=yes], |
| [gdbsrv_cv_have_ptrace_getfpxregs=no])]) |
| AC_MSG_RESULT($gdbsrv_cv_have_ptrace_getfpxregs) |
| if test "${gdbsrv_cv_have_ptrace_getfpxregs}" = "yes"; then |
| AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1, |
| [Define if the target supports PTRACE_GETFPXREGS for extended ] |
| [register access.]) |
| fi |
| fi |
| |
| if test "${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="$old_LIBS" |
| |
| srv_thread_depfiles= |
| srv_libs= |
| |
| if test "$srv_linux_thread_db" = "yes"; then |
| 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" |
| 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 <thread_db.h>], [TD_VERSION;], |
| [gdbsrv_cv_have_td_version=yes], |
| [gdbsrv_cv_have_td_version=no])]) |
| if test $gdbsrv_cv_have_td_version = yes; then |
| AC_DEFINE(HAVE_TD_VERSION, 1, [Define if TD_VERSION is available.]) |
| fi |
| fi |
| |
| AC_ARG_WITH(libthread-db, |
| AS_HELP_STRING([--with-libthread-db=PATH], [use given libthread_db directly]), |
| [srv_libthread_db_path="${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.]) |
| |
| tmp_xmlfiles=$srv_xmlfiles |
| srv_xmlfiles="" |
| for f in $tmp_xmlfiles; do |
| srv_xmlfiles="$srv_xmlfiles \$(XML_DIR)/$f" |
| done |
| fi |
| |
| GDBSERVER_DEPFILES="$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 <sys/personality.h>]) |
| define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [ |
| # 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="$extra_libraries libinproctrace.so" |
| else |
| AC_MSG_ERROR([inprocess agent not supported for this target]) |
| fi |
| fi |
| |
| AC_SUBST(GDBSERVER_DEPFILES) |
| AC_SUBST(GDBSERVER_LIBS) |
| AC_SUBST(srv_xmlbuiltin) |
| AC_SUBST(srv_xmlfiles) |
| AC_SUBST(IPA_DEPFILES) |
| AC_SUBST(extra_libraries) |
| |
| GNULIB=build-gnulib-gdbserver/import |
| |
| GNULIB_STDINT_H= |
| if test x"$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 |