dnl Autoconf configure script for GDB, the GNU debugger. dnl Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 dnl 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 2 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, write to the Free Software dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. dnl Process this file with autoconf to produce a configure script. AC_PREREQ(2.13)dnl AC_INIT(main.c) AC_CONFIG_HEADER(config.h:config.in) AM_MAINTAINER_MODE AC_PROG_CC AC_AIX AC_ISC_POSIX AM_PROG_CC_STDC AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..) AC_CANONICAL_SYSTEM # FIXME: kettenis/20030102: The AC_PROG_RANLIB from Autoconf 2.13 # doesn't support cross-compilation, but the one from Autoconf 2.5x # does. Override RANLIB here (i.e. before running AC_PROG_RANLIB) to # deal with the lossage. Note that CY_GNU_GETTEXT currently calls # AC_PROG_RANLIB. This can be removed when we switch to # Autoconf # 2.5x. AC_CHECK_TOOL(RANLIB, ranlib, :) dnl Set up for gettext. PACKAGE is used when we call bindtextdomain. ALL_LINGUAS= CY_GNU_GETTEXT AC_DEFINE(PACKAGE, "gdb", [Name of this package. ]) dnl List of object files added by configure. CONFIG_OBS= CONFIG_LIB_OBS= CONFIG_DEPS= CONFIG_SRCS= CONFIG_INITS= ENABLE_CFLAGS= CONFIG_ALL= CONFIG_CLEAN= CONFIG_INSTALL= CONFIG_UNINSTALL= SUBDIRS="doc testsuite nlm" configdirs="doc testsuite" AC_ARG_ENABLE(multi-ice, [ --enable-multi-ice Build the multi-ice-gdb-server], [case "${enableval}" in yes ) enable_multi_ice="yes" ;; no) enable_multi_ice="no" ;; *) AC_MSG_ERROR(Bad value for --enable-multi-ice: ${enableval}) ;; esac ]) if test "${enable_multi_ice}" = "yes"; then configdirs="${configdirs} multi-ice" fi dnl changequote(,)dnl . ${srcdir}/configure.host . ${srcdir}/configure.tgt targ=${target} ; . ${srcdir}/../bfd/config.bfd dnl changequote([,])dnl dnl use BFD to determine the default architecture and byte order dnl (bfd_vec->byteorder provides the latter). targ=${target} . ${srcdir}/../bfd/config.bfd dnl We only want the first arch, if there is more than one. targ_archs=`echo ${targ_archs} | sed -e 's/ .*//;'` if test x"${targ_archs}" != x ; then AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, ${targ_archs}) fi if test x"${targ_defvec}" != x ; then AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, ${targ_defvec}) fi AC_ARG_PROGRAM # Enable TUI. AC_ARG_ENABLE(tui, [ --enable-tui enable full-screen terminal user interface (TUI)], [case $enableval in yes | no) ;; *) AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;; esac]) if test x"$enable_tui" = xyes; then if test -d $srcdir/tui; then CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)" CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)" CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)" CONFIG_INITS="$CONFIG_INITS \$(SUBDIR_TUI_INITS)" ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)" CONFIG_ALL="$CONFIG_ALL \$(SUBDIR_TUI_ALL)" CONFIG_CLEAN="$CONFIG_CLEAN \$(SUBDIR_TUI_CLEAN)" CONFIG_INSTALL="$CONFIG_INSTALL \$(SUBDIR_TUI_INSTALL)" CONFIG_UNINSTALL="$CONFIG_UNINSTALL \$(SUBDIR_TUI_UNINSTALL)" need_curses=yes fi fi # --------------------- # # Checks for programs. # # --------------------- # AC_PROG_AWK AC_PROG_INSTALL AC_PROG_LN_S AC_PROG_RANLIB AC_PROG_YACC AC_CHECK_TOOL(AR, ar) AC_CHECK_TOOL(DLLTOOL, dlltool) AC_CHECK_TOOL(WINDRES, windres) # Needed for GNU/Hurd. AC_CHECK_TOOL(MIG, mig) # ---------------------- # # Checks for libraries. # # ---------------------- # # We might need to link with -lm; most simulators need it. AC_CHECK_LIB(m, main) # We need to link with -lw to get `wctype' on Solaris before Solaris # 2.6. Solaris 2.6 and beyond have this function in libc, and have a # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1 # is known to have this problem). Therefore we avoid libw if we can. AC_CHECK_FUNC(wctype, [], [AC_CHECK_LIB(w, wctype)]) # Some systems (e.g. Solaris) have `socketpair' in libsocket. AC_SEARCH_LIBS(socketpair, socket) # Since GDB uses Readline, we need termcap functionality, so we need # to find a library that provides that. When GDB is configured with # --enable-tui, we need full curses functionality. # # FIXME: kettenis/20030102: We seem to prefer HP curses (Hcurses) over # Xcurses on HP-UX; see the `-D__HP_CURSES' in the relevant host # Makefile fragments. That's why we need to have `Hcurses' before # `curses'. I don't see why we should use HP curses if a more # standard curses is available, except that according to HP's # documentation one needs to compile `-D_XOPEN_SOURCE_EXTENDED' on # HP-UX 10.10 and 10.20. if test "$need_curses" = yes; then AC_SEARCH_LIBS(initscr, [ncurses Hcurses curses], [], [AC_MSG_ERROR([no curses library found])]) fi case $host_os in cygwin*) if test -d $srcdir/libtermcap; then LIBS="../libtermcap/libtermcap.a $LIBS" ac_cv_search_tgetent="../libtermcap/libtermcap.a" fi ;; go32*) # ??? Is this really true? ac_cv_search_tgetent="none required" ;; aix*) # Readline prefers curses over termcap on AIX. # ??? Why? AC_SEARCH_LIBS(tgetent, [tinfo ncurses curses termcap]) ;; esac # Note: We used to check for libtermlib and libterminfo too, but # Readline doesn't, so I think we're safe with leaving them out. AC_SEARCH_LIBS(tgetent, [termcap tinfo ncurses Hcurses curses]) if test "$ac_cv_search_tgetent" = no; then AC_MSG_ERROR([no termcap library found]) fi # ------------------------- # # Checks for header files. # # ------------------------- # AC_HEADER_DIRENT AC_HEADER_STAT AC_HEADER_STDC AC_CHECK_HEADERS(link.h) AC_CHECK_HEADERS(nlist.h) AC_CHECK_HEADERS(poll.h sys/poll.h) AC_CHECK_HEADERS(proc_service.h thread_db.h) AC_CHECK_HEADERS(stddef.h) AC_CHECK_HEADERS(stdlib.h) AC_CHECK_HEADERS(stdint.h) AC_CHECK_HEADERS(string.h memory.h strings.h) AC_CHECK_HEADERS(sys/fault.h) AC_CHECK_HEADERS(sys/file.h) AC_CHECK_HEADERS(sys/filio.h) AC_CHECK_HEADERS(sys/ioctl.h) AC_CHECK_HEADERS(sys/param.h) AC_CHECK_HEADERS(sys/proc.h) AC_CHECK_HEADERS(sys/procfs.h) AC_CHECK_HEADERS(sys/ptrace.h ptrace.h) AC_CHECK_HEADERS(sys/reg.h sys/debugreg.h) AC_CHECK_HEADERS(sys/select.h) AC_CHECK_HEADERS(sys/syscall.h) AC_CHECK_HEADERS(sys/user.h) AC_CHECK_HEADERS(sys/wait.h wait.h) AC_CHECK_HEADERS(termios.h termio.h sgtty.h) AC_CHECK_HEADERS(unistd.h) # On Solaris 2.[78], we need to define _MSE_INT_H to avoid a clash # between and that would cause AC_CHECK_HEADERS to # think that we don't have if we're using GCC. case $host_os in solaris2.[[78]]) if test "$GCC" = yes; then AC_DEFINE(_MSE_INT_H, 1, [[Define to 1 to avoid a clash between and on Solaris 2.[78] when using GCC. ]]) fi ;; esac AC_CHECK_HEADERS(curses.h ncurses.h term.h) # FIXME: kettenis/20030102: In most cases we include these # unconditionally, so what's the point in checking these? AC_CHECK_HEADERS(ctype.h time.h) # ------------------ # # Checks for types. # # ------------------ # AC_TYPE_SIGNAL # ------------------------------------- # # Checks for compiler characteristics. # # ------------------------------------- # AC_C_CONST AC_C_INLINE # ------------------------------ # # Checks for library functions. # # ------------------------------ # AC_FUNC_ALLOCA AC_FUNC_MMAP AC_FUNC_VFORK AC_CHECK_FUNCS(canonicalize_file_name realpath) AC_CHECK_FUNCS(poll) AC_CHECK_FUNCS(sbrk) AC_CHECK_FUNCS(setpgid setpgrp) AC_CHECK_FUNCS(sigaction sigprocmask sigsetmask) AC_CHECK_FUNCS(socketpair) dnl AC_FUNC_SETPGRP does not work when cross compiling dnl Instead, assume we will have a prototype for setpgrp if cross compiling. if test "$cross_compiling" = no; then AC_FUNC_SETPGRP else AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void, [AC_TRY_COMPILE([ #include ], [ if (setpgrp(1,1) == -1) exit (0); else exit (1); ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)]) if test $ac_cv_func_setpgrp_void = yes; then AC_DEFINE(SETPGRP_VOID, 1) fi fi # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do # since sigsetjmp might only be defined as a macro. AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp, [AC_TRY_COMPILE([ #include ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);], gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)]) if test $gdb_cv_func_sigsetjmp = yes; then AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ]) fi # See if supports the %fs and %gs i386 segment registers. # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'. AC_CACHE_CHECK([for r_fs in struct reg], gdb_cv_struct_reg_r_fs, [AC_TRY_COMPILE([#include ], [struct reg r; r.r_fs;], gdb_cv_struct_reg_r_fs=yes, gdb_cv_struct_reg_r_fs=no)]) if test $gdb_cv_struct_reg_r_fs = yes; then AC_DEFINE(HAVE_STRUCT_REG_R_FS) fi AC_CACHE_CHECK([for r_gs in struct reg], gdb_cv_struct_reg_r_gs, [AC_TRY_COMPILE([#include ], [struct reg r; r.r_gs;], gdb_cv_struct_reg_r_gs=yes, gdb_cv_struct_reg_r_gs=no)]) if test $gdb_cv_struct_reg_r_gs = yes; then AC_DEFINE(HAVE_STRUCT_REG_R_GS) fi # See if provides the PTRACE_GETREGS request. AC_MSG_CHECKING(for PTRACE_GETREGS) AC_CACHE_VAL(gdb_cv_have_ptrace_getregs, [AC_TRY_COMPILE([#include ], [PTRACE_GETREGS;], [gdb_cv_have_ptrace_getregs=yes], [gdb_cv_have_ptrace_getregs=no])]) AC_MSG_RESULT($gdb_cv_have_ptrace_getregs) if test $gdb_cv_have_ptrace_getregs = yes; then AC_DEFINE(HAVE_PTRACE_GETREGS) fi # See if provides the PTRACE_GETFPXREGS request. AC_MSG_CHECKING(for PTRACE_GETFPXREGS) AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs, [AC_TRY_COMPILE([#include ], [PTRACE_GETFPXREGS;], [gdb_cv_have_ptrace_getfpxregs=yes], [gdb_cv_have_ptrace_getfpxregs=no])]) AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs) if test $gdb_cv_have_ptrace_getfpxregs = yes; then AC_DEFINE(HAVE_PTRACE_GETFPXREGS) fi # See if provides the PT_GETDBREGS request. AC_MSG_CHECKING(for PT_GETDBREGS) AC_CACHE_VAL(gdb_cv_have_pt_getdbregs, [AC_TRY_COMPILE([#include #include ], [PT_GETDBREGS;], [gdb_cv_have_pt_getdbregs=yes], [gdb_cv_have_pt_getdbregs=no])]) AC_MSG_RESULT($gdb_cv_have_pt_getdbregs) if test $gdb_cv_have_pt_getdbregs = yes; then AC_DEFINE(HAVE_PT_GETDBREGS) fi # See if provides the PT_GETXMMREGS request. AC_MSG_CHECKING(for PT_GETXMMREGS) AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs, [AC_TRY_COMPILE([#include #include ], [PT_GETXMMREGS;], [gdb_cv_have_pt_getxmmregs=yes], [gdb_cv_have_pt_getxmmregs=no])]) AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs) if test $gdb_cv_have_pt_getxmmregs = yes; then AC_DEFINE(HAVE_PT_GETXMMREGS) fi BFD_NEED_DECLARATION(malloc) BFD_NEED_DECLARATION(realloc) BFD_NEED_DECLARATION(free) BFD_NEED_DECLARATION(strerror) BFD_NEED_DECLARATION(strdup) BFD_NEED_DECLARATION(strstr) BFD_NEED_DECLARATION(canonicalize_file_name) # The following save_state_t checkery is only necessary for HPUX # versions earlier than 10.20. When those fade from memory, this # could be expunged. --jsm 1999-03-22 AC_MSG_CHECKING(for HPUX save_state structure) AC_EGREP_HEADER(save_state_t, machine/save_state.h, gdb_cv_hpux_savestate=yes, gdb_cv_hpux_savestate=no) AC_EGREP_HEADER(ss_wide, machine/save_state.h, gdb_cv_hpux_sswide=yes, gdb_cv_hpux_sswide=no) if test $gdb_cv_hpux_savestate = yes then AC_DEFINE(HAVE_STRUCT_SAVE_STATE_T, 1) fi if test $gdb_cv_hpux_sswide = yes then AC_DEFINE(HAVE_STRUCT_MEMBER_SS_WIDE, 1) fi AC_MSG_RESULT($gdb_cv_hpux_sswide) # If we are configured native on GNU/Linux, work around problems with # sys/procfs.h # Also detect which type of /proc is in use, such as for Unixware or Solaris. if test "${target}" = "${host}"; then case "${host}" in i[[3456]]86-*-linux*) AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,2) AC_DEFINE(sys_quotactl) ;; ia64-*-aix*) AC_DEFINE(NEW_PROC_API) ;; *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* ) AC_DEFINE(NEW_PROC_API) ;; *-*-solaris2.[[678]]) AC_DEFINE(NEW_PROC_API) ;; esac fi if test "$ac_cv_header_sys_procfs_h" = yes; then BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t) BFD_HAVE_SYS_PROCFS_TYPE(prrun_t) BFD_HAVE_SYS_PROCFS_TYPE(gregset_t) BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t) BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t) BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t) BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t) BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t) BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t) BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t) BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t) BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t) BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t) BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t) dnl Check for broken prfpregset_t type dnl For Linux/i386, glibc 2.1.3 was released with a bogus dnl prfpregset_t type (it's a typedef for the pointer to a struct dnl instead of the struct itself). We detect this here, and work dnl around it in gdb_proc_service.h. if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then AC_MSG_CHECKING(whether prfpregset_t type is broken) AC_CACHE_VAL(gdb_cv_prfpregset_t_broken, [AC_TRY_RUN([#include int main () { if (sizeof (prfpregset_t) == sizeof (void *)) return 1; return 0; }], gdb_cv_prfpregset_t_broken=no, gdb_cv_prfpregset_t_broken=yes, gdb_cv_prfpregset_t_broken=yes)]) AC_MSG_RESULT($gdb_cv_prfpregset_t_broken) if test $gdb_cv_prfpregset_t_broken = yes; then AC_DEFINE(PRFPREGSET_T_BROKEN) fi fi dnl Check for PIOCSET ioctl entry AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h) AC_CACHE_VAL(gdb_cv_have_procfs_piocset, [AC_TRY_COMPILE([#include #include #include ], [ int dummy;; dummy = ioctl(0, PIOCSET, &dummy); ], gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)]) AC_MSG_RESULT($gdb_cv_have_procfs_piocset) if test $gdb_cv_have_procfs_piocset = yes; then AC_DEFINE(HAVE_PROCFS_PIOCSET) fi fi dnl For native ports (host == target), check to see what kind of dnl legacy link.h support is needed. (See solib-legacy.c.) if test ${host} = ${target} ; then dnl Check for struct link_map with l_ members which are indicative dnl of SVR4-like shared libraries AC_MSG_CHECKING(for member l_addr in struct link_map) AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members, [AC_TRY_COMPILE([#include ], [struct link_map lm; (void) lm.l_addr;], gdb_cv_have_struct_link_map_with_l_members=yes, gdb_cv_have_struct_link_map_with_l_members=no)]) AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members) if test $gdb_cv_have_struct_link_map_with_l_members = yes; then AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS) fi dnl Check for struct link_map with lm_ members which are indicative dnl of SunOS-like shared libraries AC_MSG_CHECKING(for member lm_addr in struct link_map) AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members, [AC_TRY_COMPILE([#include #include ], [struct link_map lm; (void) lm.lm_addr;], gdb_cv_have_struct_link_map_with_lm_members=yes, gdb_cv_have_struct_link_map_with_lm_members=no)]) AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members) if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS) fi dnl Check for struct so_map with som_ members which are found on dnl some *BSD systems. AC_MSG_CHECKING(for member som_addr in struct so_map) AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members, [AC_TRY_COMPILE([#include #ifdef HAVE_NLIST_H #include #endif #include ], [struct so_map lm; (void) lm.som_addr;], gdb_cv_have_struct_so_map_with_som_members=yes, gdb_cv_have_struct_so_map_with_som_members=no)]) AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members) if test $gdb_cv_have_struct_so_map_with_som_members = yes; then AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS) fi dnl Check for struct link_map32 type, which allows a 64-bit Solaris dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries. AC_MSG_CHECKING(for struct link_map32 in sys/link.h) AC_CACHE_VAL(gdb_cv_have_struct_link_map32, [AC_TRY_COMPILE([#define _SYSCALL32 #include ], [struct link_map32 l;], gdb_cv_have_struct_link_map32=yes, gdb_cv_have_struct_link_map32=no)]) AC_MSG_RESULT($gdb_cv_have_struct_link_map32) if test $gdb_cv_have_struct_link_map32 = yes; then AC_DEFINE(HAVE_STRUCT_LINK_MAP32) AC_DEFINE(_SYSCALL32) fi fi dnl See if compiler supports "long long" type. AC_MSG_CHECKING(for long long support in compiler) AC_CACHE_VAL(gdb_cv_c_long_long, [AC_TRY_COMPILE(, [ extern long long foo; switch (foo & 2) { case 0: return 1; } ], gdb_cv_c_long_long=yes, gdb_cv_c_long_long=no)]) AC_MSG_RESULT($gdb_cv_c_long_long) if test $gdb_cv_c_long_long = yes; then AC_DEFINE(CC_HAS_LONG_LONG) fi dnl See if the compiler and runtime support printing long long AC_MSG_CHECKING(for long long support in printf) AC_CACHE_VAL(gdb_cv_printf_has_long_long, [AC_TRY_RUN([ int main () { char buf[32]; long long l = 0; l = (l << 16) + 0x0123; l = (l << 16) + 0x4567; l = (l << 16) + 0x89ab; l = (l << 16) + 0xcdef; sprintf (buf, "0x%016llx", l); return (strcmp ("0x0123456789abcdef", buf)); }], gdb_cv_printf_has_long_long=yes, gdb_cv_printf_has_long_long=no, gdb_cv_printf_has_long_long=no)]) if test $gdb_cv_printf_has_long_long = yes; then AC_DEFINE(PRINTF_HAS_LONG_LONG) fi AC_MSG_RESULT($gdb_cv_printf_has_long_long) dnl See if compiler supports "long double" type. Can't use AC_C_LONG_DOUBLE dnl because autoconf complains about cross-compilation issues. However, this dnl code uses the same variables as the macro for compatibility. AC_MSG_CHECKING(for long double support in compiler) AC_CACHE_VAL(ac_cv_c_long_double, [AC_TRY_COMPILE(, [long double foo;], ac_cv_c_long_double=yes, ac_cv_c_long_double=no)]) AC_MSG_RESULT($ac_cv_c_long_double) if test $ac_cv_c_long_double = yes; then AC_DEFINE(HAVE_LONG_DOUBLE) fi dnl See if the compiler and runtime support printing long doubles AC_MSG_CHECKING(for long double support in printf) AC_CACHE_VAL(gdb_cv_printf_has_long_double, [AC_TRY_RUN([ int main () { char buf[16]; long double f = 3.141592653; sprintf (buf, "%Lg", f); return (strncmp ("3.14159", buf, 7)); }], gdb_cv_printf_has_long_double=yes, gdb_cv_printf_has_long_double=no, gdb_cv_printf_has_long_double=no)]) if test $gdb_cv_printf_has_long_double = yes; then AC_DEFINE(PRINTF_HAS_LONG_DOUBLE) fi AC_MSG_RESULT($gdb_cv_printf_has_long_double) dnl See if the compiler and runtime support scanning long doubles AC_MSG_CHECKING(for long double support in scanf) AC_CACHE_VAL(gdb_cv_scanf_has_long_double, [AC_TRY_RUN([ int main () { char *buf = "3.141592653"; long double f = 0; sscanf (buf, "%Lg", &f); return !(f > 3.14159 && f < 3.14160); }], gdb_cv_scanf_has_long_double=yes, gdb_cv_scanf_has_long_double=no, gdb_cv_scanf_has_long_double=no)]) if test $gdb_cv_scanf_has_long_double = yes; then AC_DEFINE(SCANF_HAS_LONG_DOUBLE) fi AC_MSG_RESULT($gdb_cv_scanf_has_long_double) case ${host_os} in aix*) AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [ SAVE_LDFLAGS=$LDFLAGS case $GCC in yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;; *) gdb_cv_bigtoc=-bbigtoc ;; esac LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=]) ]) CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}" ;; esac dnl For certain native configurations, we need to check whether thread dnl support can be built in or not. dnl dnl Note that we only want this if we are both native (host == target), dnl and not doing a canadian cross build (build == host). if test ${build} = ${host} -a ${host} = ${target} ; then case ${host_os} in hpux*) AC_MSG_CHECKING(for HPUX/OSF thread support) if test -f /usr/include/dce/cma_config.h ; then if test "$GCC" = "yes" ; then AC_MSG_RESULT(yes) AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT) CONFIG_LIB_OBS="${CONFIG_LIB_OBS} hpux-thread.o" CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c" else AC_MSG_RESULT(no (suppressed because you are not using GCC)) fi else AC_MSG_RESULT(no) fi ;; solaris*) # See if thread_db library is around for Solaris thread debugging. # Note that we must explicitly test for version 1 of the library # because version 0 (present on Solaris 2.4 or earlier) doesn't have # the same API. AC_MSG_CHECKING(for Solaris thread debugging library) if test -f /usr/lib/libthread_db.so.1 ; then AC_MSG_RESULT(yes) AC_DEFINE(HAVE_THREAD_DB_LIB) CONFIG_LIB_OBS="${CONFIG_LIB_OBS} sol-thread.o" CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c" AC_CHECK_LIB(dl, dlopen) if test "$GCC" = "yes" ; then # The GNU linker requires the -export-dynamic option to make # all symbols visible in the dynamic symbol table. hold_ldflags=$LDFLAGS AC_MSG_CHECKING(for the ld -export-dynamic flag) LDFLAGS="${LDFLAGS} -Wl,-export-dynamic" AC_TRY_LINK(, [int i;], found=yes, found=no) LDFLAGS=$hold_ldflags AC_MSG_RESULT($found) if test $found = yes; then CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic" fi fi # Sun randomly tweaked the prototypes in # at one point. AC_MSG_CHECKING(if is old) AC_CACHE_VAL(gdb_cv_proc_service_is_old,[ AC_TRY_COMPILE([ #include ps_err_e ps_pdwrite (struct ps_prochandle*, psaddr_t, const void*, size_t); ],, gdb_cv_proc_service_is_old=no, gdb_cv_proc_service_is_old=yes) ]) AC_MSG_RESULT($gdb_cv_proc_service_is_old) if test $gdb_cv_proc_service_is_old = yes; then AC_DEFINE(PROC_SERVICE_IS_OLD) fi else AC_MSG_RESULT(no) fi ;; aix*) AC_MSG_CHECKING(for AiX thread debugging library) AC_CACHE_VAL(gdb_cv_have_aix_thread_debug, [AC_TRY_COMPILE([#include ], [#ifndef PTHDB_VERSION_3 #error #endif], gdb_cv_have_aix_thread_debug=yes, gdb_cv_have_aix_thread_debug=no)]) AC_MSG_RESULT($gdb_cv_have_aix_thread_debug) if test $gdb_cv_have_aix_thread_debug = yes; then CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c" CONFIG_LIB_OBS="${CONFIG_LIB_OBS} aix-thread.o" CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug" fi ;; esac AC_SUBST(CONFIG_LDFLAGS) fi dnl See if we have a thread_db header file that has TD_NOTALLOC. if test "x$ac_cv_header_thread_db_h" = "xyes"; then AC_CACHE_CHECK([whether has TD_NOTALLOC], gdb_cv_thread_db_h_has_td_notalloc, AC_TRY_COMPILE( [#include ], [int i = TD_NOTALLOC;], gdb_cv_thread_db_h_has_td_notalloc=yes, gdb_cv_thread_db_h_has_td_notalloc=no ) ) fi if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1, [Define if has the TD_NOTALLOC error code.]) fi dnl linux-proc.c wants to use pread64, which may require special CFLAGS dnl -D_BSD_SOURCE is normally assumed but we have to specify it because of dnl -D_XOPEN_SOURCE=500. if test $host = $target; then case $target in *-linux*) save_CFLAGS=$CFLAGS CFLAGS="$CFLAGS -D_BSD_SOURCE -D_XOPEN_SOURCE=500 -D_LARGEFILE64_SOURCE" AC_TRY_LINK([#include ], [pread64 (0, NULL, 0, 0);], [ENABLE_CFLAGS="$ENABLE_CFLAGS -D_BSD_SOURCE -D_XOPEN_SOURCE=500 -D_LARGEFILE64_SOURCE" AC_DEFINE(HAVE_PREAD64)], []) CFLAGS=$save_CFLAGS ;; esac fi dnl The CLI cannot be disabled yet, but may be in the future dnl Handle CLI sub-directory configury. AC_ARG_ENABLE(gdbcli, [ --enable-gdbcli Enable GDB-CLI interface], [ case "${enableval}" in yes) enable_gdbcli=yes ;; "") enable_gdbcli=yes ;; no) AC_MSG_ERROR(The CLI cannot be disabled yet) ;; *) AC_MSG_ERROR(Bad value for --enable-gdbcli: ${enableval}) ;; esac ], [enable_gdbcli=yes]) case ${enable_gdbcli} in "yes" ) if test -d "${srcdir}/cli" ; then CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_CLI_OBS)" CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_CLI_DEPS)" CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_CLI_SRCS)" CONFIG_INITS="${CONFIG_INITS} \$(SUBDIR_CLI_INITS)" ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_CLI_CFLAGS)" CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_CLI_ALL)" CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_CLI_CLEAN)" CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_CLI_INSTALL)" CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_CLI_UNINSTALL)" fi ;; esac dnl Handle optional features that can be enabled. dnl Handle MI sub-directory configury. AC_ARG_ENABLE(gdbmi, [ --enable-gdbmi Enable GDB-MI interface], [ case "${enable_gdbmi}" in yes | no) ;; "") enable_gdbmi=yes ;; *) AC_MSG_ERROR(Bad value for --enable-gdbmi: ${enableval}) ;; esac ], [enable_gdbmi=yes]) case ${enable_gdbmi} in "yes" ) if test -d "${srcdir}/mi" ; then CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_MI_OBS)" CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_MI_DEPS)" CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_MI_SRCS)" CONFIG_INITS="${CONFIG_INITS} \$(SUBDIR_MI_INITS)" ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_MI_CFLAGS)" CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_MI_ALL)" CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_MI_CLEAN)" CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_MI_INSTALL)" CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_MI_UNINSTALL)" fi ;; esac # Configure UI_OUT by default (before 5.2 it can be disabled) # It must be configured if gdbmi is configured UIOUT_CFLAGS= AC_SUBST(UIOUT_CFLAGS) AC_ARG_WITH(uiout, [ --with-uiout Use new uiout functions instead of *printf's], [case "${withval}" in yes) want_uiout=true ;; no) if test $enable_gdbmi = yes; then AC_MSG_ERROR(uiout is needed for MI and cannot be disabled) else want_uiout=false fi ;; *) AC_MSG_ERROR(bad value ${withval} for GDB with-uiout option) ;; esac], [want_uiout=true])dnl if test $want_uiout = true; then UIOUT_CFLAGS="-DUI_OUT=1" fi AC_ARG_ENABLE(netrom, [ --enable-netrom Enable NetROM support], [case "${enableval}" in yes) enable_netrom=yes ;; no) enable_netrom=no ;; *) AC_MSG_ERROR(bad value ${enableval} given for netrom option) ;; esac]) if test "${enable_netrom}" = "yes"; then CONFIG_LIB_OBS="${CONFIG_LIB_OBS} remote-nrom.o" CONFIG_SRCS="${CONFIG_SRCS} remote-nrom.c" fi # NOTE: Don't add -Wall or -Wunused, they both include # -Wunused-parameter which reports bogus warnings. # NOTE: If you add to this list, remember to update # gdb/doc/gdbint.texinfo. build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs \ -Wformat -Wparentheses -Wpointer-arith -Wuninitialized" # Up for debate: -Wswitch -Wcomment -trigraphs -Wtrigraphs # -Wunused-function -Wunused-label -Wunused-variable -Wunused-value # -Wchar-subscripts -Wtraditional -Wshadow -Wcast-qual # -Wcast-align -Wwrite-strings -Wconversion -Wstrict-prototypes # -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls # -Woverloaded-virtual -Winline -Werror" AC_ARG_ENABLE(build-warnings, [ --enable-build-warnings Enable build-time compiler warnings if gcc is used], [case "${enableval}" in yes) ;; no) build_warnings="-w";; ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"` build_warnings="${build_warnings} ${t}";; *,) t=`echo "${enableval}" | sed -e "s/,/ /g"` build_warnings="${t} ${build_warnings}";; *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;; esac if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then echo "Setting compiler warning flags = $build_warnings" 6>&1 fi])dnl AC_ARG_ENABLE(gdb-build-warnings, [ --enable-gdb-build-warnings Enable GDB specific build-time compiler warnings if gcc is used], [case "${enableval}" in yes) ;; no) build_warnings="-w";; ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"` build_warnings="${build_warnings} ${t}";; *,) t=`echo "${enableval}" | sed -e "s/,/ /g"` build_warnings="${t} ${build_warnings}";; *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;; esac if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1 fi])dnl WARN_CFLAGS="" WERROR_CFLAGS="" if test "x${build_warnings}" != x -a "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 $w in -Werr*) WERROR_CFLAGS=-Werror ;; *) # Check that GCC accepts it saved_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $w" AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",) CFLAGS="$saved_CFLAGS" esac done AC_MSG_RESULT(${WARN_CFLAGS}${WERROR_CFLAGS}) fi AC_SUBST(WARN_CFLAGS) AC_SUBST(WERROR_CFLAGS) MMALLOC_CFLAGS= MMALLOC= AC_SUBST(MMALLOC_CFLAGS) AC_SUBST(MMALLOC) AC_ARG_WITH(mmalloc, [ --with-mmalloc Use memory mapped malloc package], [case "${withval}" in yes) want_mmalloc=true ;; no) want_mmalloc=false;; *) AC_MSG_ERROR(bad value ${withval} for GDB with-mmalloc option) ;; esac],[want_mmalloc=false])dnl if test x$want_mmalloc = xtrue; then AC_DEFINE(USE_MMALLOC) AC_DEFINE(MMCHECK_FORCE) MMALLOC_CFLAGS="-I$srcdir/../mmalloc" MMALLOC='../mmalloc/libmmalloc.a' fi AC_ARG_WITH(included-regex, [ --with-included-regex Use included regex], [case "${withval}" in yes) want_included_regex=true ;; no) want_included_regex=false;; *) AC_MSG_ERROR(bad value ${withval} for GDB with-included-regex option) ;; esac],[want_included_regex=true])dnl if test $want_included_regex = false; then AC_MSG_CHECKING(for GNU regex) AC_CACHE_VAL(gdb_cv_have_gnu_regex, [AC_TRY_COMPILE([#include #include #include ], [#if !defined _GNU_REGEX_INTERFACE_VERSION || !defined __GLIBC__ || __GLIBC__ < 2 #error No valid GNU regex. #endif ], [gdb_cv_have_gnu_regex=yes], [gdb_cv_have_gnu_regex=no])]) AC_MSG_RESULT($gdb_cv_have_gnu_regex) if test $gdb_cv_have_gnu_regex = no; then want_included_regex=true fi fi if test x${want_included_regex} = xtrue; then REGEX="gnu-regex.o" AC_DEFINE(USE_INCLUDED_REGEX) fi AC_SUBST(REGEX) # In the Cygwin environment, we need some additional flags. AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin, [AC_EGREP_CPP(lose, [ #if defined (__CYGWIN__) || defined (__CYGWIN32__) lose #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])]) dnl Figure out which of the many generic ser-*.c files the _host_ supports. SER_HARDWIRE="ser-unix.o ser-pipe.o ser-tcp.o" case ${host} in *go32* ) SER_HARDWIRE=ser-go32.o ;; *djgpp* ) SER_HARDWIRE=ser-go32.o ;; esac AC_SUBST(SER_HARDWIRE) # libreadline needs libuser32.a in a cygwin environment WIN32LIBS= if test x$gdb_cv_os_cygwin = xyes; then WIN32LIBS="-luser32" case "${target}" in *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp" ;; esac fi AC_SUBST(WIN32LIBS) LIBGUI="../libgui/src/libgui.a" GUI_CFLAGS_X="-I${srcdir}/../libgui/src" AC_SUBST(LIBGUI) AC_SUBST(GUI_CFLAGS_X) AC_ARG_WITH(cpu, [ --with-cpu=CPU Set the default CPU variant to debug], [case "${target}" in powerpc-* | powerpcle-* ) ## It would be nice to keep this table in sync with the one in ## gcc/configure. case "${with_cpu}" in ppc-uisa | rs6000 | 403 | 403GC | 505 | 860 | 601 | 602 | 603 \ | 604 | 750 ) ## Those are all handled in variants in rs6000-tdep.c, so they're fine. ;; common | power | power2 | rios | rios1 | rios2 | rsc | rsc1 ) ## These are all RS6000 variants, as far as GDB is concerned. with_cpu=rs6000 ;; 603e | ec603e ) with_cpu=603 ;; 604e ) with_cpu=604 ;; * ) AC_MSG_WARN(GDB: unknown --with-cpu value: \`${with_cpu}'; using \`ppc-uisa'.) with_cpu=ppc-uisa ;; esac ;; * ) AC_MSG_WARN(GDB may ignore the --with-cpu flag for ${target} targets) ;; esac AC_DEFINE_UNQUOTED(TARGET_CPU_DEFAULT, "${with_cpu}") ],) AC_ARG_ENABLE(gdbtk, [ --enable-gdbtk Enable GDBTK GUI front end], [case "${enableval}" in yes) case "$host" in *go32*) AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.]) enable_gdbtk=no ;; *windows*) AC_MSG_WARN([GDB does not support GDBtk on host ${host}. GDBtk will be disabled.]) enable_gdbtk=no ;; *) enable_gdbtk=yes ;; esac ;; no) enable_gdbtk=no ;; *) AC_MSG_ERROR(bad value ${enableval} given for gdbtk option) ;; esac], [ # Default is on for everything but go32 and Cygwin case "$host" in *go32* | *windows*) ;; *) if test -d "${srcdir}/gdbtk" ; then enable_gdbtk=yes fi ;; esac ]) WIN32LDAPP= AC_SUBST(WIN32LIBS) AC_SUBST(WIN32LDAPP) configdir="unix" GDBTKLIBS= if test "${enable_gdbtk}" = "yes"; then # Gdbtk must have an absolute path to srcdir in order to run # properly when not installed. here=`pwd` cd ${srcdir} GDBTK_SRC_DIR=`pwd` cd $here CY_AC_PATH_TCLCONFIG if test -z "${no_tcl}"; then CY_AC_LOAD_TCLCONFIG CY_AC_PATH_TKCONFIG # now look for Tcl library stuff case "${host}" in *-*-cygwin*) tcldir=../tcl/win/ ;; *) tcldir=../tcl/unix/ ;; esac TCL_DEPS="${tcldir}${TCL_LIB_FILE}" # If $no_tk is nonempty, then we can't do Tk, and there is no # point to doing Tcl. if test -z "${no_tk}"; then CY_AC_LOAD_TKCONFIG CY_AC_PATH_TCLH CY_AC_PATH_TKH CY_AC_PATH_ITCLH CY_AC_PATH_ITKH # now look for Tk library stuff case "${host}" in *-*-cygwin*) tkdir=../tk/win/ ;; *) tkdir=../tk/unix/ ;; esac TK_DEPS="${tkdir}${TK_LIB_FILE}" # now look for Itcl library stuff CY_AC_PATH_ITCLCONFIG if test -z "${no_itcl}"; then CY_AC_LOAD_ITCLCONFIG ITCLLIB="${ITCL_BUILD_LIB_SPEC}" ITCL_DEPS="${ITCL_LIB_FULL_PATH}" fi # now look for Itk library stuff CY_AC_PATH_ITKCONFIG if test -z "${no_itcl}"; then CY_AC_LOAD_ITKCONFIG ITKLIB="${ITK_BUILD_LIB_SPEC}" ITK_DEPS="${ITK_LIB_FULL_PATH}" fi ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)" # Tcl/Tk 8.1 require -fwritable strings. I don't # know whether 8.2 will or not, but I bet it will. # I don't have to worry about 7.x since we don't support it. GDBTK_CFLAGS="" if test "$GCC" = "yes"; then if test "$TCL_VERSION" != "8.0" ; then GDBTK_CFLAGS="-fwritable-strings" fi fi # Include some libraries that Tcl and Tk want. TCL_LIBS='$(LIBGUI) $(ITCL) $(ITK) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)' # Yes, the ordering seems wrong here. But it isn't. # TK_LIBS is the list of libraries that need to be linked # after Tcl/Tk. Note that this isn't put into LIBS. If it # were in LIBS then any link tests after this point would # try to include things like `$(LIBGUI)', which wouldn't work. GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}" CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)" CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)" CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)" CONFIG_INITS="${CONFIG_INITS} \$(SUBDIR_GDBTK_INITS)" CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_GDBTK_ALL)" CONFIG_CLEAN="${CONFIG_CLEAN} \$(SUBDIR_GDBTK_CLEAN)" CONFIG_INSTALL="${CONFIG_INSTALL} \$(SUBDIR_GDBTK_INSTALL)" CONFIG_UNINSTALL="${CONFIG_UNINSTALL} \$(SUBDIR_GDBTK_UNINSTALL)" if test x$gdb_cv_os_cygwin = xyes; then WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32" WIN32LDAPP="-Wl,--subsystem,console" CONFIG_OBS="${CONFIG_OBS} gdbres.o" fi fi fi SUBDIRS="${SUBDIRS} gdbtk" configdirs="${configdirs} gdbtk" fi AC_SUBST(X_CFLAGS) AC_SUBST(X_LDFLAGS) AC_SUBST(X_LIBS) AC_SUBST(TCL_DEPS) AC_SUBST(TK_DEPS) AC_SUBST(ITCLLIB) AC_SUBST(ITCL_DEPS) AC_SUBST(ITKLIB) AC_SUBST(ITK_DEPS) AC_SUBST(GDBTKLIBS) AC_SUBST(GDBTK_CFLAGS) AC_SUBST(GDBTK_SRC_DIR) AC_PATH_X # Unlike the sim directory, whether a simulator is linked is controlled by # presence of a SIM= and a SIM_OBS= definition in the target '.mt' file. # This code just checks for a few cases where we'd like to ignore those # definitions, even when they're present in the '.mt' file. These cases # are when --disable-sim is specified, or if the simulator directory is # not part of the source tree. # AC_ARG_ENABLE(sim, [ --enable-sim Link gdb with simulator], [echo "enable_sim = $enable_sim"; echo "enableval = ${enableval}"; case "${enableval}" in yes) ignore_sim=false ;; no) ignore_sim=true ;; *) ignore_sim=false ;; esac], [ignore_sim=false]) if test ! -d "${srcdir}/../sim"; then ignore_sim=true fi if test "${ignore_sim}" = "true"; then IGNORE_SIM="SIM=" IGNORE_SIM_OBS="SIM_OBS=" else IGNORE_SIM="" IGNORE_SIM_OBS="" AC_DEFINE(WITH_SIM) fi AC_SUBST(IGNORE_SIM) AC_SUBST(IGNORE_SIM_OBS) AC_SUBST(ENABLE_CFLAGS) AC_SUBST(CONFIG_OBS) AC_SUBST(CONFIG_LIB_OBS) AC_SUBST(CONFIG_DEPS) AC_SUBST(CONFIG_SRCS) AC_SUBST(CONFIG_INITS) AC_SUBST(CONFIG_ALL) AC_SUBST(CONFIG_CLEAN) AC_SUBST(CONFIG_INSTALL) AC_SUBST(CONFIG_UNINSTALL) # Begin stuff to support --enable-shared AC_ARG_ENABLE(shared, [ --enable-shared Use shared libraries], [case "${enableval}" in yes) shared=true ;; no) shared=false ;; *) shared=true ;; esac])dnl HLDFLAGS= HLDENV= # If we have shared libraries, try to set rpath reasonably. if test "${shared}" = "true"; then case "${host}" in *-*-hpux*) HLDFLAGS='-Wl,+s,+b,$(libdir)' ;; *-*-irix5* | *-*-irix6*) HLDFLAGS='-Wl,-rpath,$(libdir)' ;; *-*-linux*aout*) ;; *-*-linux* | *-pc-linux-gnu*) HLDFLAGS='-Wl,-rpath,$(libdir)' ;; *-*-solaris*) HLDFLAGS='-R $(libdir)' ;; *-*-sysv4*) HLDENV='if test -z "$${LD_RUN_PATH}"; then LD_RUN_PATH=$(libdir); else LD_RUN_PATH=$${LD_RUN_PATH}:$(libdir); fi; export LD_RUN_PATH;' ;; esac fi # On SunOS, if the linker supports the -rpath option, use it to # prevent ../bfd and ../opcodes from being included in the run time # search path. case "${host}" in *-*-sunos*) echo 'main () { }' > conftest.c ${CC} -o conftest -Wl,-rpath= conftest.c >/dev/null 2>conftest.t if grep 'unrecognized' conftest.t >/dev/null 2>&1; then : elif grep 'No such file' conftest.t >/dev/null 2>&1; then : elif grep 'do not mix' conftest.t >/dev/null 2>&1; then : elif grep 'some text already loaded' conftest.t >/dev/null 2>&1; then : elif test "${shared}" = "true"; then HLDFLAGS='-Wl,-rpath=$(libdir)' else HLDFLAGS='-Wl,-rpath=' fi rm -f conftest.t conftest.c conftest ;; esac AC_SUBST(HLDFLAGS) AC_SUBST(HLDENV) # End stuff to support --enable-shared # target_subdir is used by the testsuite to find the target libraries. target_subdir= if test "${host}" != "${target}"; then target_subdir="${target_alias}/" fi AC_SUBST(target_subdir) frags= host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh if test ! -f ${host_makefile_frag}; then # When building a native debuger the .mh file containing things # like NATDEPFILES is needed. Cross debuggers don't need .mh # since it no longer contains anything useful. if test "${target}" = "${host}"; then AC_MSG_ERROR("*** Gdb does not support native target ${host}") else host_makefile_frag=/dev/null fi fi frags="$frags $host_makefile_frag" target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt if test ! -f ${target_makefile_frag}; then AC_MSG_ERROR("*** Gdb does not support target ${target}") fi frags="$frags $target_makefile_frag" AC_SUBST_FILE(host_makefile_frag) AC_SUBST_FILE(target_makefile_frag) AC_SUBST(frags) changequote(,)dnl hostfile=`sed -n ' s/XM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p ' ${host_makefile_frag}` targetfile=`sed -n ' s/TM_FILE[ ]*=[ ]*\([^ ]*\)/\1/p ' ${target_makefile_frag}` GDB_MULTI_ARCH=`sed -n ' s/GDB_MULTI_ARCH[ ]*=[ ]*\([^ ]*\)[ ]*/\1/p ' ${target_makefile_frag}` if test "${target}" = "${host}"; then # We pick this up from the host configuration file (.mh) because we # do not have a native configuration Makefile fragment. nativefile=`sed -n ' s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p ' ${host_makefile_frag}` fi changequote([,]) # New targets should just set gdb_multi_arch=yes in configure.tgt. # Old targets being converted can either do that or set GDB_MULTI_ARCH # in the target specific makefile frag. Eventually gdb_multi_arch=yes # will be the default. if test x"${GDB_MULTI_ARCH}" = x ; then case "${gdb_multi_arch}" in yes ) GDB_MULTI_ARCH=GDB_MULTI_ARCH_PURE ;; no ) GDB_MULTI_ARCH=0 ;; 0|1|2 ) GDB_MULTI_ARCH=${gdb_multi_arch} ;; esac fi if test x"${GDB_MULTI_ARCH}" != x ; then AC_DEFINE_UNQUOTED(GDB_MULTI_ARCH, ${GDB_MULTI_ARCH}) fi # Warn the user when they use an old practice case "${GDB_MULTI_ARCH}" in "" ) ;; 0 | GDB_MULTI_ARCH_PARTIAL | 1 | GDB_MULTI_ARCH_TM | 2 ) AC_MSG_WARN("GDB: Target is not pure multi-arch") ;; GDB_MULTI_ARCH_PURE ) if test x"${targetfile}" != x ; then AC_MSG_WARN("GDB: Ignoring TM_FILE in ${target_makefile_frag}") targetfile="" fi ;; *) AC_MSG_ERROR("GDB: Unknown GDB_MULTI_ARCH value ${GDB_MULTI_ARCH}");; esac if test "${enable_multi_ice}" = "yes"; then SUBDIRS="${SUBDIRS} multi-ice" fi # ``gdbserver'' can only be built in a native configuration. if test x"${target}" = x"${host}"; then AC_MSG_CHECKING(whether gdbserver is supported on this host) if test x"${build_gdbserver}" = xyes ; then configdirs="${configdirs} gdbserver" SUBDIRS="${SUBDIRS} gdbserver" AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi fi AC_SUBST(SUBDIRS) # If hostfile (XM_FILE) and/or targetfile (TM_FILE) and/or nativefile # (NAT_FILE) is not set in config/*/*.m[ht] files, we link to an empty # version. files= links= rm -f xm.h xm_h="" if test "${hostfile}" != ""; then xm_h=xm.h GDB_XM_FILE="config/${gdb_host_cpu}/${hostfile}" files="${files} ${GDB_XM_FILE}" links="${links} xm.h" AC_DEFINE_UNQUOTED(GDB_XM_FILE, ${GDB_XM_FILE}) fi AC_SUBST(xm_h) rm -f tm.h tm_h="" if test "${targetfile}" != ""; then tm_h=tm.h GDB_TM_FILE="config/${gdb_target_cpu}/${targetfile}" files="${files} ${GDB_TM_FILE}" links="${links} tm.h" AC_DEFINE_UNQUOTED(GDB_TM_FILE, ${GDB_TM_FILE}) fi AC_SUBST(tm_h) rm -f nm.h nm_h="" if test "${nativefile}" != ""; then nm_h=nm.h GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" files="${files} ${GDB_NM_FILE}" links="${links} nm.h" AC_DEFINE_UNQUOTED(GDB_NM_FILE, ${GDB_NM_FILE}) fi AC_SUBST(nm_h) AC_LINK_FILES($files, $links) dnl Check for exe extension set on certain hosts (e.g. Win32) AC_EXEEXT dnl Detect the character set used by this host. dnl At the moment, we just assume it's ISO-8859-1 (which is a dnl superset of ASCII containing the characters needed for French, dnl German, Spanish, Italian, and possibly others), but if were dnl *were* to support any host character sets other than ISO-8859-1, dnl here's where we'd detect it. AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "ISO-8859-1", [Define to be a string naming the default host character set.]) AM_ICONV AC_CONFIG_SUBDIRS($configdirs) AC_OUTPUT(Makefile .gdbinit:gdbinit.in, [ dnl Autoconf doesn't provide a mechanism for modifying definitions dnl provided by makefile fragments. dnl if test "${nativefile}" = ""; then < Makefile \ sed -e '/^NATDEPFILES[[ ]]*=.*\\$/,/[[^\\]]$/s/^/# /' \ -e '/^NATDEPFILES[[ ]]*=/s/^/# /' \ | sed -e '/^\(NATDEPFILES[[ ]]*[[+]]=[[ ]]*\)/s//# \1/' \ > Makefile.tem mv -f Makefile.tem Makefile fi changequote(,)dnl sed -e '/^TM_FILE[ ]*=/s,^TM_FILE[ ]*=[ ]*,&config/'"${gdb_target_cpu}"'/, /^XM_FILE[ ]*=/s,^XM_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/, /^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' Makefile.tmp mv -f Makefile.tmp Makefile changequote([,])dnl case x$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