GDB 7.6.50

gdb/gdbserver/configure.ac

 dnl Autoconf configure script for GDB server.
-dnl Copyright (C) 2000, 2002-2012 Free Software Foundation, Inc.
+dnl Copyright (C) 2000-2013 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_GNU_SOURCE
+AC_SYS_LARGEFILE
 
 AC_CANONICAL_SYSTEM
 
 AC_PROG_INSTALL
 AC_PROG_RANLIB
 
 AC_ARG_PROGRAM
 
 AC_HEADER_STDC
-AC_HEADER_DIRENT
 
 AC_FUNC_ALLOCA
 
+# Set the 'development' global.
+. $srcdir/../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
 
 # 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"])
 
 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
+                 proc_service.h sys/procfs.h linux/elf.h dnl
                  errno.h fcntl.h signal.h sys/file.h malloc.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)
+                 netinet/tcp.h arpa/inet.h)
 AC_CHECK_FUNCS(pread pwrite pread64 readlink)
 AC_REPLACE_FUNCS(vasprintf vsnprintf)
 
+GDB_AC_COMMON
+
 # 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])
 
@@ skipping 47 matching lines @@
 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"
+-Wformat-nonliteral -Wno-char-subscripts -Wempty-body"
 
 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 ;;
@@ skipping 11 matching lines @@
 
 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"
 
-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
-
 AC_CHECK_DECLS([strerror, 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>
 )
@@ skipping 84 matching lines @@
                   [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(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 "$srv_linux_thread_db" = "yes"; then
   if test "$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 <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,
@@ skipping 88 matching lines @@
    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)
 
 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)
 echo > stamp-h ;;
 esac
 ])