mirror of
https://sourceware.org/git/binutils-gdb.git
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bfde4a671b
support for WinGDB. Add mswin to configdirs. * configure.in configure: Move calls to configure.host and configure.tgt to the top of configure.in to allow them to set config variables before they are referenced.
494 lines
13 KiB
Plaintext
494 lines
13 KiB
Plaintext
dnl Autoconf configure script for GDB, the GNU debugger.
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dnl Copyright 1995, 1996 Free Software Foundation, Inc.
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dnl
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dnl This file is part of GDB.
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dnl
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dnl This program is free software; you can redistribute it and/or modify
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dnl it under the terms of the GNU General Public License as published by
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dnl the Free Software Foundation; either version 2 of the License, or
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dnl (at your option) any later version.
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dnl
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dnl This program is distributed in the hope that it will be useful,
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dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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dnl GNU General Public License for more details.
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dnl
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dnl You should have received a copy of the GNU General Public License
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dnl along with this program; if not, write to the Free Software
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dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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dnl Process this file with autoconf to produce a configure script.
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AC_PREREQ(2.5)dnl
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AC_INIT(main.c)
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AC_CONFIG_HEADER(config.h:config.in)
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AC_PROG_CC
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AC_AIX
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AC_MINIX
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AC_ISC_POSIX
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AC_CANONICAL_SYSTEM
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dnl List of object files added by configure.
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CONFIG_OBS=
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configdirs="doc testsuite"
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dnl
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changequote(,)dnl
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. ${srcdir}/configure.host
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. ${srcdir}/configure.tgt
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dnl
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changequote([,])dnl
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AC_PROG_INSTALL
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AC_CHECK_TOOL(AR, ar)
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AC_CHECK_TOOL(RANLIB, ranlib, :)
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AC_PROG_YACC
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AC_PROG_AWK
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AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
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AC_ARG_PROGRAM
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AC_HEADER_STDC
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AC_CHECK_HEADERS(limits.h memory.h string.h strings.h unistd.h termios.h termio.h sgtty.h stddef.h stdlib.h sys/procfs.h link.h endian.h objlist.h)
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AC_HEADER_STAT
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AC_C_CONST
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AC_CHECK_FUNCS(setpgid sbrk select poll)
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# If we are configured native on Linux, work around problems with sys/procfs.h
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if test "${target}" = "${host}"; then
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case "${host}" in
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i[3456]86-*-linux*)
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AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,"2")
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AC_DEFINE(sys_quotactl)
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;;
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esac
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fi
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AC_MSG_CHECKING([for gregset_t type])
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AC_CACHE_VAL(gdb_cv_have_gregset_t,
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[AC_TRY_LINK([#include <sys/procfs.h>],[gregset_t *gregsetp = 0],
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gdb_cv_have_gregset_t=yes, gdb_cv_have_gregset_t=no)])
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AC_MSG_RESULT($gdb_cv_have_gregset_t)
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if test $gdb_cv_have_gregset_t = yes; then
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AC_DEFINE(HAVE_GREGSET_T)
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fi
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AC_MSG_CHECKING([for fpregset_t type])
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AC_CACHE_VAL(gdb_cv_have_fpregset_t,
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[AC_TRY_LINK([#include <sys/procfs.h>],[fpregset_t *fpregsetp = 0],
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gdb_cv_have_fpregset_t=yes, gdb_cv_have_fpregset_t=no)])
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AC_MSG_RESULT($gdb_cv_have_fpregset_t)
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if test $gdb_cv_have_fpregset_t = yes; then
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AC_DEFINE(HAVE_FPREGSET_T)
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fi
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dnl See if host has libm. This is usually needed by simulators.
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AC_CHECK_LIB(m, main)
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dnl See if compiler supports "long long" type.
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AC_MSG_CHECKING(for long long support in compiler)
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AC_CACHE_VAL(gdb_cv_c_long_long,
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[AC_TRY_COMPILE(, [
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extern long long foo;
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switch (foo & 2) { case 0: return 1; }
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],
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gdb_cv_c_long_long=yes, gdb_cv_c_long_long=no)])
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AC_MSG_RESULT($gdb_cv_c_long_long)
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if test $gdb_cv_c_long_long = yes; then
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AC_DEFINE(CC_HAS_LONG_LONG)
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fi
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dnl See if the compiler and runtime support printing long long
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AC_MSG_CHECKING(for long long support in printf)
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AC_CACHE_VAL(gdb_cv_printf_has_long_long,
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[AC_TRY_RUN([
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int main () {
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char buf[16];
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long long l = 0x12345;
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sprintf (buf, "%llx", l);
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return (strcmp ("12345", buf));
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}],
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gdb_cv_printf_has_long_long=yes,
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gdb_cv_printf_has_long_long=no,
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gdb_cv_printf_has_long_long=no)])
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if test $gdb_cv_printf_has_long_long = yes; then
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AC_DEFINE(PRINTF_HAS_LONG_LONG)
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fi
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AC_MSG_RESULT($gdb_cv_printf_has_long_long)
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dnl See if compiler supports "long double" type. Can't use AC_C_LONG_DOUBLE
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dnl because autoconf complains about cross-compilation issues. However, this
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dnl code uses the same variables as the macro for compatibility.
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AC_MSG_CHECKING(for long double support in compiler)
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AC_CACHE_VAL(ac_cv_c_long_double,
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[AC_TRY_COMPILE(, [long double foo;],
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ac_cv_c_long_double=yes, ac_cv_c_long_double=no)])
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AC_MSG_RESULT($ac_cv_c_long_double)
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if test $ac_cv_c_long_double = yes; then
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AC_DEFINE(HAVE_LONG_DOUBLE)
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fi
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dnl See if the compiler and runtime support printing long doubles
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AC_MSG_CHECKING(for long double support in printf)
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AC_CACHE_VAL(gdb_cv_printf_has_long_double,
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[AC_TRY_RUN([
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int main () {
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char buf[16];
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long double f = 3.141592653;
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sprintf (buf, "%Lg", f);
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return (strncmp ("3.14159", buf, 7));
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}],
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gdb_cv_printf_has_long_double=yes,
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gdb_cv_printf_has_long_double=no,
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gdb_cv_printf_has_long_double=no)])
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if test $gdb_cv_printf_has_long_double = yes; then
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AC_DEFINE(PRINTF_HAS_LONG_DOUBLE)
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fi
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AC_MSG_RESULT($gdb_cv_printf_has_long_double)
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AC_FUNC_MMAP
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BFD_NEED_DECLARATION(malloc)
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BFD_NEED_DECLARATION(realloc)
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BFD_NEED_DECLARATION(free)
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dnl See if thread_db library is around for Solaris thread debugging. Note that
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dnl we must explicitly test for version 1 of the library because version 0
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dnl (present on Solaris 2.4 or earlier) doesn't have the same API.
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dnl Note that we only want this if we are both native (host == target), and
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dnl not doing a canadian cross build (build == host).
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if test ${build} = ${host} -a ${host} = ${target} ; then
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case ${host_os} in
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hpux*)
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AC_MSG_CHECKING(for HPUX/OSF thread support)
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if test -f /usr/include/dce/cma_config.h ; then
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT)
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CONFIG_OBS="${CONFIG_OJS} hpux-thread.o"
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else
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AC_MSG_RESULT(no)
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fi
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;;
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solaris*)
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AC_MSG_CHECKING(for Solaris thread debugging library)
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if test -f /usr/lib/libthread_db.so.1 ; then
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_THREAD_DB_LIB)
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CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
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AC_CHECK_LIB(dl, dlopen)
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if test "$GCC" = "yes" ; then
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CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Xlinker -export-dynamic"
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fi
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else
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AC_MSG_RESULT(no)
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fi
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;;
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esac
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AC_SUBST(CONFIG_LDFLAGS)
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fi
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dnl Handle optional features that can be enabled.
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ENABLE_CFLAGS=
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AC_ARG_ENABLE(netrom,
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[ --enable-netrom ],
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[case "${enableval}" in
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yes) enable_netrom=yes ;;
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no) enable_netrom=no ;;
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*) AC_MSG_ERROR(bad value ${enableval} given for netrom option) ;;
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esac])
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if test "${enable_netrom}" = "yes"; then
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CONFIG_OBS="${CONFIG_OBS} remote-nrom.o"
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fi
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# start-sanitize-gm
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ENABLE_GM=
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AC_ARG_ENABLE(gm,
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[ --enable-gm ],
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[case "${enableval}" in
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yes) CONFIG_OBS="${CONFIG_OBS} gmagic.o"
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ENABLE_CFLAGS=-DGENERAL_MAGIC
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;;
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no) ;;
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*) AC_MSG_ERROR(bad value ${enableval} given for gm option) ;;
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esac])
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# end-sanitize-gm
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AC_ARG_ENABLE(sim-powerpc,
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[ --enable-sim-powerpc ],
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[case "${enableval}" in
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yes) powerpc_sim=yes ;;
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no) powerpc_sim=no ;;
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*) AC_MSG_ERROR(bad value ${enableval} given for sim-powerpc option) ;;
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esac],[if test x"$GCC" != x""; then powerpc_sim=yes; else powerpc_sim=no; fi])
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# start-sanitize-gdbtk
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ENABLE_GDBTK=
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AC_ARG_ENABLE(gdbtk,
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[ --enable-gdbtk ],
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[case "${enableval}" in
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yes)
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case "$host" in
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*go32*)
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AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.])
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enable_gdbtk=no ;;
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*cygwin32* | *windows*)
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AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.])
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enable_gdbtk=no ;;
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*)
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enable_gdbtk=yes ;;
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esac ;;
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no)
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enable_gdbtk=no ;;
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*)
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AC_MSG_ERROR(bad value ${enableval} given for gdbtk option) ;;
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esac],
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[
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# Default is on for everything but go32 and cygwin32
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case "$host" in
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*go32* | *cygwin32* | *windows*)
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;;
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*)
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enable_gdbtk=yes ;;
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esac
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])
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if test "${enable_gdbtk}" = "yes"; then
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CY_AC_PATH_TCLCONFIG
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if test -z "${no_tcl}"; then
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CY_AC_LOAD_TCLCONFIG
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CY_AC_PATH_TKCONFIG
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# If $no_tk is nonempty, then we can't do Tk, and there is no
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# point to doing Tcl.
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if test -z "${no_tk}"; then
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CY_AC_LOAD_TKCONFIG
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CY_AC_PATH_TCLH
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CY_AC_PATH_TKH
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ENABLE_GDBTK=1
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# Include some libraries that Tcl and Tk want.
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TCL_LIBS='$(TCL) $(TK) $(X11_LDFLAGS) $(X11_LIBS)'
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LIBS="${LIBS} ${TCL_LIBS} ${TK_LIBS}"
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CONFIG_OBS="${CONFIG_OBS} gdbtk.o"
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fi
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fi
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fi
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AC_SUBST(ENABLE_GDBTK)
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AC_SUBST(X_CFLAGS)
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AC_SUBST(X_LDFLAGS)
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AC_SUBST(X_LIBS)
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# end-sanitize-gdbtk
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AC_SUBST(ENABLE_CFLAGS)
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AC_SUBST(CONFIG_OBS)
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# Begin stuff to support --enable-shared
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AC_ARG_ENABLE(shared,
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[ --enable-shared use shared libraries],
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[case "${enableval}" in
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yes) shared=true ;;
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no) shared=false ;;
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*) shared=true ;;
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esac])dnl
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HLDFLAGS=
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HLDENV=
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# If we have shared libraries, try to set rpath reasonably.
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if test "${shared}" = "true"; then
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case "${host}" in
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*-*-hpux*)
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HLDFLAGS='-Wl,+s,+b,$(libdir)'
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;;
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*-*-irix5* | *-*-irix6*)
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HLDFLAGS='-Wl,-rpath,$(libdir)'
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;;
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*-*-linux*aout*)
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;;
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*-*-linux* | *-pc-linux-gnu)
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HLDFLAGS='-Wl,-rpath,$(libdir)'
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;;
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*-*-solaris*)
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HLDFLAGS='-R $(libdir)'
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;;
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*-*-sysv4*)
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HLDENV='if test -z "$${LD_RUN_PATH}"; then LD_RUN_PATH=$(libdir); else LD_RUN_PATH=$${LD_RUN_PATH}:$(libdir); fi; export LD_RUN_PATH;'
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;;
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esac
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fi
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# On SunOS, if the linker supports the -rpath option, use it to
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# prevent ../bfd and ../opcodes from being included in the run time
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# search path.
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case "${host}" in
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*-*-sunos*)
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echo 'main () { }' > conftest.c
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${CC} -o conftest -Wl,-rpath= conftest.c >/dev/null 2>conftest.t
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if grep 'unrecognized' conftest.t >/dev/null 2>&1; then
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:
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elif grep 'No such file' conftest.t >/dev/null 2>&1; then
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:
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elif grep 'do not mix' conftest.t >/dev/null 2>&1; then
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:
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elif grep 'some text already loaded' conftest.t >/dev/null 2>&1; then
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:
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elif test "${shared}" = "true"; then
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HLDFLAGS='-Wl,-rpath=$(libdir)'
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else
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HLDFLAGS='-Wl,-rpath='
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fi
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rm -f conftest.t conftest.c conftest
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;;
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esac
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AC_SUBST(HLDFLAGS)
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AC_SUBST(HLDENV)
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# End stuff to support --enable-shared
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# target_subdir is used by the testsuite to find the target libraries.
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target_subdir=
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if test "${host}" != "${target}"; then
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target_subdir="${target_alias}/"
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fi
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AC_SUBST(target_subdir)
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frags=
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host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
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if test ! -f ${host_makefile_frag}; then
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AC_MSG_ERROR("*** Gdb does not support host ${host}")
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fi
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frags="$frags $host_makefile_frag"
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target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt
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if test ! -f ${target_makefile_frag}; then
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AC_MSG_ERROR("*** Gdb does not support target ${target}")
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fi
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frags="$frags $target_makefile_frag"
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AC_SUBST_FILE(host_makefile_frag)
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AC_SUBST_FILE(target_makefile_frag)
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AC_SUBST(frags)
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changequote(,)dnl
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hostfile=`sed -n '
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s/XM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
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' ${host_makefile_frag}`
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targetfile=`sed -n '
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s/TM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
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' ${target_makefile_frag}`
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# these really aren't orthogonal true/false values of the same condition,
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# but shells are slow enough that I like to reuse the test conditions
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# whenever possible
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if test "${target}" = "${host}"; then
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nativefile=`sed -n '
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s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
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' ${host_makefile_frag}`
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else
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# GDBserver is only useful in a "native" enviroment
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configdirs=`echo $configdirs | sed 's/gdbserver//'`
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fi
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changequote([,])
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# If hostfile (XM_FILE) and/or targetfile (TM_FILE) and/or nativefile
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# (NAT_FILE) is not set in config/*/*.m[ht] files, we don't make the
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# corresponding links. But we have to remove the xm.h files and tm.h
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# files anyway, e.g. when switching from "configure host" to
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# "configure none".
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files=
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links=
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rm -f xm.h
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if test "${hostfile}" != ""; then
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files="${files} config/${gdb_host_cpu}/${hostfile}"
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links="${links} xm.h"
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fi
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rm -f tm.h
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if test "${targetfile}" != ""; then
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files="${files} config/${gdb_target_cpu}/${targetfile}"
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links="${links} tm.h"
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fi
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rm -f nm.h
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if test "${nativefile}" != ""; then
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files="${files} config/${gdb_host_cpu}/${nativefile}"
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links="${links} nm.h"
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else
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# A cross-only configuration.
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files="${files} config/nm-empty.h"
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links="${links} nm.h"
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fi
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# start-sanitize-gdbtk
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# Make it possible to use the GUI without doing a full install
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if test "${enable_gdbtk}" = "yes" -a ! -f gdbtk.tcl ; then
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files="${files} gdbtk.tcl"
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links="${links} gdbtk.tcl"
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fi
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# end-sanitize-gdbtk
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AC_LINK_FILES($files, $links)
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AC_CONFIG_SUBDIRS($configdirs)
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AC_OUTPUT(Makefile,
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[
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dnl Autoconf doesn't provide a mechanism for modifying definitions
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dnl provided by makefile fragments.
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dnl
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if test "${nativefile}" = ""; then
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sed -e '/^NATDEPFILES[[ ]]*=[[ ]]*/s//# NATDEPFILES=/' \
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< Makefile > Makefile.tem
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mv -f Makefile.tem Makefile
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fi
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changequote(,)dnl
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sed -e '/^TM_FILE[ ]*=/s,^TM_FILE[ ]*=[ ]*,&config/'"${gdb_target_cpu}"'/,
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/^XM_FILE[ ]*=/s,^XM_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,
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/^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
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mv -f Makefile.tmp Makefile
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changequote([,])dnl
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case ${srcdir} in
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.)
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;;
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*)
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grep "source ${srcdir}/.gdbinit" .gdbinit >/dev/null 2>/dev/null || \
|
|
echo "source ${srcdir}/.gdbinit" >> .gdbinit
|
|
esac
|
|
|
|
case x$CONFIG_HEADERS in
|
|
xconfig.h:config.in)
|
|
echo > stamp-h ;;
|
|
esac
|
|
],
|
|
[
|
|
gdb_host_cpu=$gdb_host_cpu
|
|
gdb_target_cpu=$gdb_target_cpu
|
|
nativefile=$nativefile
|
|
])
|
|
|
|
exit 0
|
|
|