dnl Autoconf configure script for GDB server.
-dnl Copyright (C) 2000, 2002-2012 Free Software Foundation, Inc.
+dnl Copyright (C) 2000-2015 Free Software Foundation, Inc.
dnl
dnl This file is part of GDB.
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
AC_HEADER_STDC
-AC_HEADER_DIRENT
-AC_FUNC_ALLOCA
+# 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 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 readlink)
-AC_REPLACE_FUNCS(memmem vasprintf vsnprintf)
+ netinet/tcp.h arpa/inet.h)
+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_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
esac])
-# Enable -Werror by default when using gcc
-if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
+# Enable -Werror by default when using gcc. Turn it off for releases.
+if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" \
+ && test x"$enable_build_with_cxx" != x"yes" \
+ && $development; then
ERROR_ON_WARNING=yes
fi
WERROR_CFLAGS="-Werror"
fi
-build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
--Wformat-nonliteral -Wno-char-subscripts"
+build_warnings="-Wall -Wpointer-arith \
+-Wformat-nonliteral -Wno-char-subscripts -Wempty-body"
+
+# Now add in C and C++ specific options, depending on mode.
+if test "$enable_build_with_cxx" = "yes"; then
+ build_warnings="$build_warnings -Wno-sign-compare -Wno-write-strings \
+-Wno-narrowing"
+else
+ build_warnings="$build_warnings -Wdeclaration-after-statement"
+fi
+
+# The set of warnings supported by a C++ compiler is not the same as
+# of the C compiler.
+if test "$enable_build_with_cxx" = "yes"; then
+ AC_LANG_PUSH([C++])
+fi
WARN_CFLAGS=""
if test "x$GCC" = xyes
# Separate out the -Werror flag as some files just cannot be
# compiled with it enabled.
for w in ${build_warnings}; do
+ # GCC does not complain about -Wno-unknown-warning. Invert
+ # and test -Wunknown-warning instead.
+ case $w in
+ -Wno-*)
+ wtest=`echo $w | sed 's/-Wno-/-W/g'` ;;
+ *)
+ wtest=$w ;;
+ esac
+
case $w in
-Werr*) WERROR_CFLAGS=-Werror ;;
- *) # Check that GCC accepts it
+ *)
+ # Check whether GCC accepts it.
saved_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS $w"
+ CFLAGS="$CFLAGS $wtest"
+ saved_CXXFLAGS="$CXXFLAGS"
+ CXXFLAGS="$CXXFLAGS $wtest"
AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
CFLAGS="$saved_CFLAGS"
+ CXXFLAGS="$saved_CXXFLAGS"
esac
done
AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
AC_SUBST(WARN_CFLAGS)
AC_SUBST(WERROR_CFLAGS)
+if test "$enable_build_with_cxx" = "yes"; then
+ AC_LANG_POP([C++])
+fi
+
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
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 $have_errno = no; then
-AC_TRY_LINK([
-#if HAVE_ERRNO_H
-#include <errno.h>
-#endif], [extern int errno; static int x; x = errno;],
- [AC_MSG_RESULT(yes - must define); AC_DEFINE(HAVE_ERRNO, 1, [Define if errno is available]) AC_DEFINE(MUST_DEFINE_ERRNO, 1, [Checking if errno must be defined])],
- [AC_MSG_RESULT(no)])
-fi
+libiberty_INIT
-AC_CHECK_DECLS([strerror, perror, memmem, vasprintf, vsnprintf])
+AC_CHECK_DECLS([strerror, perror, vasprintf, vsnprintf])
+
+AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
AC_CHECK_TYPES(socklen_t, [], [],
[#include <sys/types.h>
#include <sys/socket.h>
])
+case "${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])
. ${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 "$ac_cv_header_sys_procfs_h" = yes; then
BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
+ BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
BFD_HAVE_SYS_PROCFS_TYPE(elf_fpregset_t)
fi
+dnl Some systems (e.g., Android) have lwpid_t defined in libthread_db.h.
+if test "$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"
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 $srv_host_obs"
GDBSERVER_LIBS="$srv_libs"
dnl Check whether the target supports __sync_*_compare_and_swap.
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)
+GNULIB=build-gnulib-gdbserver/import
+
+GNULIB_STDINT_H=
+if test x"$STDINT_H" != x; then
+ GNULIB_STDINT_H=$GNULIB/$STDINT_H
+fi
+AC_SUBST(GNULIB_STDINT_H)
+
AC_OUTPUT(Makefile,
[case x$CONFIG_HEADERS in
xconfig.h:config.in)
projects / deliverable / binutils-gdb.git / blobdiff