mirror of
https://sourceware.org/git/binutils-gdb.git
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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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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 $srcdir;pwd`/..)
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AC_ARG_PROGRAM
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AC_HEADER_STDC
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AC_CHECK_HEADERS(limits.h memory.h string.h strings.h unistd.h termios.h termio.h sgtty.h stddef.h stdlib.h sys/procfs.h link.h endian.h objlist.h)
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AC_HEADER_STAT
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AC_C_CONST
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AC_CHECK_FUNCS(setpgid sbrk select poll)
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dnl List of object files added by configuire.
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CONFIG_OBS=
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# If we are configured native on Linux, work around problems with sys/procfs.h
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if test "${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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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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. ${srcdir}/configure.tgt
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dnl
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changequote([,])dnl
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frags=
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host_makefile_frag=${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 || \
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echo "source ${srcdir}/.gdbinit" >> .gdbinit
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esac
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|
case x$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
|
|
|