X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fgdbserver%2Fconfigure.ac;h=817a861a32bed36d413b891fb7d384863183bd05;hb=43816ebc335481c99808c4fdfffb9ea3f510b19a;hp=24ef9a8d3d15f721ce9d1bad704e22cf233b4e64;hpb=d4596a3d7917d78d17cffc5cd2e7d47c8bf9a383;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/gdbserver/configure.ac b/gdb/gdbserver/configure.ac index 24ef9a8d3d..817a861a32 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, 2009, -dnl 2010 Free Software Foundation, Inc. +dnl Copyright (C) 2000-2020 Free Software Foundation, Inc. dnl dnl This file is part of GDB. dnl @@ -19,31 +18,84 @@ dnl along with this program. If not, see . 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) -AC_CONFIG_LIBOBJ_DIR(../gnulib) +AC_CONFIG_HEADERS(config.h:config.in, [echo > stamp-h]) + +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 -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 +# Set the 'development' global. +. $srcdir/../../bfd/development.sh + +GDB_AC_SELFTEST([ + srv_selftest_objs="gdbsupport/selftest.o" +]) + +ACX_NONCANONICAL_TARGET +ACX_NONCANONICAL_HOST + +# Dependency checking. +ZW_CREATE_DEPDIR + +# Create sub-directories for objects and dependencies. +CONFIG_SRC_SUBDIR="arch gdbsupport" +AC_SUBST(CONFIG_SRC_SUBDIR) + +AC_CONFIG_COMMANDS([gdbdepdir],[ + for subdir in ${CONFIG_SRC_SUBDIR} + do + $SHELL $ac_aux_dir/mkinstalldirs $subdir/$DEPDIR + done], + [ac_aux_dir=$ac_aux_dir DEPDIR=$DEPDIR CONFIG_SRC_SUBDIR="$CONFIG_SRC_SUBDIR"]) + +ZW_PROG_COMPILER_DEPENDENCIES([CC]) + +gnulib_extra_configure_args= +# If large-file support is disabled, make sure gnulib does the same. +if test "$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(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 sys/wait.h) -AC_CHECK_FUNCS(pread pwrite pread64) -AC_REPLACE_FUNCS(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="" @@ -93,47 +145,7 @@ fi AC_SUBST(ustlibs) AC_SUBST(ustinc) -AC_ARG_ENABLE(werror, - AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]), - [case "${enableval}" in - yes | y) ERROR_ON_WARNING="yes" ;; - no | n) ERROR_ON_WARNING="no" ;; - *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;; - esac]) - -# Enable -Werror by default when using gcc -if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then - ERROR_ON_WARNING=yes -fi - -WERROR_CFLAGS="" -if test "${ERROR_ON_WARNING}" = yes ; then - WERROR_CFLAGS="-Werror" -fi - -build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \ --Wformat-nonliteral " - -WARN_CFLAGS="" -if test "x$GCC" = xyes -then - AC_MSG_CHECKING(compiler warning flags) - # Separate out the -Werror flag as some files just cannot be - # compiled with it enabled. - for w in ${build_warnings}; do - case $w in - -Werr*) WERROR_CFLAGS=-Werror ;; - *) # Check that GCC accepts it - saved_CFLAGS="$CFLAGS" - CFLAGS="$CFLAGS $w" - AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",) - CFLAGS="$saved_CFLAGS" - esac - done - AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS}) -fi -AC_SUBST(WARN_CFLAGS) -AC_SUBST(WERROR_CFLAGS) +AM_GDB_WARNINGS dnl dladdr is glibc-specific. It is used by thread-db.c but only for dnl debugging messages. It lives in -ldl which is handled below so we don't @@ -144,29 +156,43 @@ LIBS="$LIBS -ldl" AC_CHECK_FUNCS(dladdr) LIBS="$old_LIBS" -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 $have_errno = no; then -AC_TRY_LINK([ -#if HAVE_ERRNO_H -#include -#endif], [extern int errno; static int x; x = errno;], - [AC_MSG_RESULT(yes - must define); AC_DEFINE(HAVE_ERRNO, 1, [Define if errno is available]) AC_DEFINE(MUST_DEFINE_ERRNO, 1, [Checking if errno must be defined])], - [AC_MSG_RESULT(no)]) -fi +libiberty_INIT + +AC_CHECK_DECLS([perror, vasprintf, vsnprintf]) + +AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize]) + +# See if supports the %fs_base and %gs_bas amd64 segment registers. +# Older amd64 Linux's don't have the fs_base and gs_base members of +# `struct user_regs_struct'. +AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base], + [], [], [#include +#include ]) -AC_CHECK_DECLS([strerror, perror, memmem]) AC_CHECK_TYPES(socklen_t, [], [], [#include #include ]) +case "${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], ["$PKGVERSION"], [Additional package description]) @@ -189,6 +215,20 @@ got it [gdb_cv_i386_is_x86_64=no]) CPPFLAGS="$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="$CPPFLAGS" @@ -211,6 +251,8 @@ elif test "${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 @@ -258,13 +300,29 @@ 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" @@ -273,7 +331,6 @@ LIBS="$old_LIBS" srv_thread_depfiles= srv_libs= -USE_THREAD_DB= if test "$srv_linux_thread_db" = "yes"; then if test "$ac_cv_lib_dl_dlopen" = "yes"; then @@ -301,12 +358,12 @@ if test "$srv_linux_thread_db" = "yes"; then 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], [gdbsrv_cv_have_td_version=no])]) - if test $gdbsrv_cv_have_td_version = yes; then + if test "$gdbsrv_cv_have_td_version" = yes; then AC_DEFINE(HAVE_TD_VERSION, 1, [Define if TD_VERSION is available.]) fi fi @@ -332,7 +389,7 @@ 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 $srv_selftest_objs" GDBSERVER_LIBS="$srv_libs" dnl Check whether the target supports __sync_*_compare_and_swap. @@ -341,7 +398,7 @@ AC_CACHE_CHECK([whether the target supports __sync_*_compare_and_swap], 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 $gdbsrv_cv_have_sync_builtins = yes; then +if test "$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 @@ -349,33 +406,80 @@ fi dnl Check for -fvisibility=hidden support in the compiler. saved_cflags="$CFLAGS" CFLAGS="$CFLAGS -fvisibility=hidden" -AC_COMPILE_IFELSE(AC_LANG_PROGRAM([]), +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 $gdbsrv_cv_have_personality +then + AC_DEFINE([HAVE_PERSONALITY], 1, + [Define if you support the personality syscall.]) +fi + + IPA_DEPFILES="" +extra_libraries="" -# Rather than allowing to build a broken IPA, we simply disable it if -# we don't find a compiler supporting all the features we need. +# check whether to enable the inprocess agent if test "$ipa_obj" != "" \ -a "$gdbsrv_cv_have_sync_builtins" = yes \ -a "$gdbsrv_cv_have_visibility_hidden" = yes; then - IPA_DEPFILES="$ipa_obj" - extra_libraries="libinproctrace.so" + have_ipa=true +else + have_ipa=false +fi + +AC_ARG_ENABLE(inprocess-agent, +AS_HELP_STRING([--enable-inprocess-agent], [inprocess agent]), +[case "$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="$extra_libraries libinproctrace.so" + else + AC_MSG_ERROR([inprocess agent not supported for this target]) + fi fi AC_SUBST(GDBSERVER_DEPFILES) AC_SUBST(GDBSERVER_LIBS) -AC_SUBST(USE_THREAD_DB) AC_SUBST(srv_xmlbuiltin) AC_SUBST(srv_xmlfiles) AC_SUBST(IPA_DEPFILES) AC_SUBST(extra_libraries) -AC_OUTPUT(Makefile, -[case x$CONFIG_HEADERS in -xconfig.h:config.in) -echo > stamp-h ;; -esac -]) +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]) + +AC_OUTPUT