dnl Autoconf configure script for GDB server.
-dnl Copyright (C) 2000, 2002-2012 Free Software Foundation, Inc.
+dnl Copyright (C) 2000-2019 Free Software Foundation, Inc.
dnl
dnl This file is part of GDB.
dnl
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
+# 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_HEADER_DIRENT
-AC_FUNC_ALLOCA
+# 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})
+
+GDB_AC_SELFTEST([
+ srv_selftest_objs="common/selftest.o"
+])
+
+ACX_NONCANONICAL_TARGET
+ACX_NONCANONICAL_HOST
+
+# Dependency checking.
+ZW_CREATE_DEPDIR
+
+# Create sub-directories for objects and dependencies.
+CONFIG_SRC_SUBDIR="arch common"
+AC_SUBST(CONFIG_SRC_SUBDIR)
-# Check for the 'make' the user wants to use.
-AC_CHECK_PROGS(MAKE, make)
+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="$gnulib_extra_configure_args --disable-largefile"
+fi
# Configure gnulib. We can't use AC_CONFIG_SUBDIRS as that'd expect
# to find the the source subdir to be configured directly under
# gdbserver/. We need to build gnulib under some other directory not
# "gnulib", to avoid the problem of both GDB and GDBserver wanting to
# build it in the same directory, when building in the source dir.
-ACX_CONFIGURE_DIR(["../gnulib"], ["build-gnulib-gdbserver"])
+ACX_CONFIGURE_DIR(["../../gnulib"], ["build-gnulib-gdbserver"],
+ ["$gnulib_extra_configure_args"])
-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
+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 sys/un.h)
-AC_CHECK_FUNCS(pread pwrite pread64 readlink)
-AC_REPLACE_FUNCS(vasprintf vsnprintf)
+ 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=""
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 -Wno-char-subscripts"
-
-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} ${WERROR_CFLAGS})
-fi
-AC_SUBST(WARN_CFLAGS)
-AC_SUBST(WERROR_CFLAGS)
+AM_GDB_WARNINGS
dnl dladdr is glibc-specific. It is used by thread-db.c but only for
dnl debugging messages. It lives in -ldl which is handled below so we don't
AC_CHECK_FUNCS(dladdr)
LIBS="$old_LIBS"
-have_errno=no
-AC_MSG_CHECKING(for errno)
-AC_TRY_LINK([
-#if HAVE_ERRNO_H
-#include <errno.h>
-#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 $have_errno = no; then
-AC_TRY_LINK([
-#if HAVE_ERRNO_H
-#include <errno.h>
-#endif], [extern int errno; static int x; x = errno;],
- [AC_MSG_RESULT(yes - must define); AC_DEFINE(HAVE_ERRNO, 1, [Define if errno is available]) AC_DEFINE(MUST_DEFINE_ERRNO, 1, [Checking if errno must be defined])],
- [AC_MSG_RESULT(no)])
-fi
+libiberty_INIT
+
+AC_CHECK_DECLS([strerror, perror, vasprintf, vsnprintf])
+
+AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
+
+# See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
+# Older amd64 Linux's don't have the fs_base and gs_base members of
+# `struct user_regs_struct'.
+AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base],
+ [], [], [#include <sys/types.h>
+#include <sys/user.h>])
-AC_CHECK_DECLS([strerror, strstr, perror, vasprintf, vsnprintf])
AC_CHECK_TYPES(socklen_t, [], [],
[#include <sys/types.h>
#include <sys/socket.h>
])
-AC_CHECK_TYPES([Elf32_auxv_t, Elf64_auxv_t], [], [],
-#include <elf.h>
-)
+case "${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/])
[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"
. ${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 "${srv_mingw}" = "yes"; then
fi
fi
+if test "${srv_linux_btrace}" = "yes"; then
+ AC_DEFINE(HAVE_LINUX_BTRACE, 1,
+ [Define if the target supports branch tracing.])
+fi
+
if test "$ac_cv_header_sys_procfs_h" = yes; then
BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
+ BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
BFD_HAVE_SYS_PROCFS_TYPE(elf_fpregset_t)
fi
srv_thread_depfiles=
srv_libs=
-USE_THREAD_DB=
if test "$srv_linux_thread_db" = "yes"; then
if test "$ac_cv_lib_dl_dlopen" = "yes"; then
fi
srv_thread_depfiles="thread-db.o proc-service.o"
- USE_THREAD_DB="-DUSE_THREAD_DB"
+ AC_DEFINE(USE_THREAD_DB, 1, [Define if we should use libthread_db.])
AC_CACHE_CHECK([for TD_VERSION], gdbsrv_cv_have_td_version,
[AC_TRY_COMPILE([#include <thread_db.h>], [TD_VERSION;],
[gdbsrv_cv_have_td_version=yes],
done
fi
-GDBSERVER_DEPFILES="$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 $srv_selftest_objs"
GDBSERVER_LIBS="$srv_libs"
dnl Check whether the target supports __sync_*_compare_and_swap.
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="$saved_cflags"
AC_SUBST(GDBSERVER_DEPFILES)
AC_SUBST(GDBSERVER_LIBS)
-AC_SUBST(USE_THREAD_DB)
AC_SUBST(srv_xmlbuiltin)
AC_SUBST(srv_xmlfiles)
AC_SUBST(IPA_DEPFILES)
fi
AC_SUBST(GNULIB_STDINT_H)
-AC_OUTPUT(Makefile,
+AC_CONFIG_FILES([Makefile],
[case x$CONFIG_HEADERS in
xconfig.h:config.in)
echo > stamp-h ;;
esac
])
+
+AC_OUTPUT
projects / thirdparty / binutils-gdb.git / blobdiff