dnl Autoconf configure script for GDB server.
-dnl Copyright (C) 2000-2015 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)
+AC_CONFIG_HEADERS(config.h:config.in, [echo > stamp-h])
AM_MAINTAINER_MODE
AC_ARG_PROGRAM
-AC_HEADER_STDC
+# 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)
-# See if we are building with C++, and substitute COMPILER.
-GDB_AC_BUILD_WITH_CXX
+AC_HEADER_STDC
# 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="gdbsupport/selftest.o"
+])
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
+# 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="$CONFIG_SRC_SUBDIR"])
+
+ZW_PROG_COMPILER_DEPENDENCIES([CC])
gnulib_extra_configure_args=
# If large-file support is disabled, make sure gnulib does the same.
# gdbserver/. We need to build gnulib under some other directory not
# "gnulib", to avoid the problem of both GDB and GDBserver wanting to
# build it in the same directory, when building in the source dir.
-ACX_CONFIGURE_DIR(["../gnulib"], ["build-gnulib-gdbserver"],
+ACX_CONFIGURE_DIR(["../../gnulib"], ["build-gnulib-gdbserver"],
["$gnulib_extra_configure_args"])
ACX_CONFIGURE_DIR(["../../libiberty"], ["build-libiberty-gdbserver"])
-AC_CHECK_HEADERS(sgtty.h termio.h termios.h sys/reg.h string.h dnl
+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)
-AC_CHECK_FUNCS(getauxval pread pwrite pread64)
+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_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 ${enableval} for --enable-werror) ;;
- esac])
-
-# Enable -Werror by default when using gcc in C mode. Leave it off
-# for C++ until we're warning clean. Turn it off for releases.
-if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" \
- && test x"$enable_build_with_cxx" != x"yes" \
- && $development; then
- ERROR_ON_WARNING=yes
-fi
-
-WERROR_CFLAGS=""
-if test "${ERROR_ON_WARNING}" = yes ; then
- WERROR_CFLAGS="-Werror"
-fi
-
-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
-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 $w in
- -Werr*) WERROR_CFLAGS=-Werror ;;
- *)
- # Check whether GCC accepts it.
- saved_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS $w"
- saved_CXXFLAGS="$CXXFLAGS"
- CXXFLAGS="$CXXFLAGS $w"
- AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
- CFLAGS="$saved_CFLAGS"
- CXXFLAGS="$saved_CXXFLAGS"
- esac
- done
- AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
-fi
-AC_SUBST(WARN_CFLAGS)
-AC_SUBST(WERROR_CFLAGS)
-
-if test "$enable_build_with_cxx" = "yes"; then
- AC_LANG_POP([C++])
-fi
+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
libiberty_INIT
-AC_CHECK_DECLS([strerror, perror, vasprintf, vsnprintf])
+AC_CHECK_DECLS([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_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 "${srv_mingw}" = "yes"; then
BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
+ BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
BFD_HAVE_SYS_PROCFS_TYPE(elf_fpregset_t)
fi
done
fi
-GDBSERVER_DEPFILES="$srv_regobj $srv_tgtobj $srv_hostio_err_objs $srv_thread_depfiles $srv_host_obs"
+GDBSERVER_DEPFILES="$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.
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="$saved_cflags"
fi
AC_SUBST(GNULIB_STDINT_H)
-AC_OUTPUT(Makefile,
-[case x$CONFIG_HEADERS in
-xconfig.h:config.in)
-echo > stamp-h ;;
-esac
-])
+AC_CONFIG_FILES([Makefile])
+
+AC_OUTPUT
projects / deliverable / binutils-gdb.git / blobdiff