dnl Autoconf configure script for GDB, the GNU debugger. dnl Copyright 1995, 1996, 1997, 1998, 1999 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) AC_PROG_CC AC_AIX AC_ISC_POSIX AM_PROG_CC_STDC AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..) AC_CANONICAL_SYSTEM dnl gdb doesn't use gettext, but bfd does. We call this to ensure we dnl link with the correct libraries. ALL_LINGUAS= CY_GNU_GETTEXT dnl List of object files added by configure. CONFIG_OBS= CONFIG_DEPS= CONFIG_SRCS= configdirs="doc testsuite" dnl changequote(,)dnl . ${srcdir}/configure.host . ${srcdir}/configure.tgt dnl changequote([,])dnl AC_PROG_INSTALL AC_CHECK_TOOL(AR, ar) AC_CHECK_TOOL(RANLIB, ranlib, :) AC_PROG_YACC AC_ARG_PROGRAM AC_TYPE_SIGNAL AC_HEADER_STDC AC_CHECK_HEADERS(ctype.h curses.h endian.h link.h \ memory.h objlist.h ptrace.h sgtty.h stddef.h stdlib.h \ string.h sys/procfs.h sys/ptrace.h sys/reg.h \ term.h termio.h termios.h unistd.h wait.h sys/wait.h \ wchar.h wctype.h asm/debugreg.h sys/debugreg.h) AC_HEADER_STAT AC_C_CONST AC_CHECK_FUNCS(setpgid sbrk sigaction isascii bzero bcopy btowc) AC_FUNC_ALLOCA BFD_NEED_DECLARATION(malloc) BFD_NEED_DECLARATION(realloc) BFD_NEED_DECLARATION(free) BFD_NEED_DECLARATION(strerror) BFD_NEED_DECLARATION(strdup) # 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. if test "${target}" = "${host}"; then case "${host}" in i[[3456]]86-*-linux*) AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,2) AC_DEFINE(sys_quotactl) ;; esac AC_MSG_CHECKING(for directory proc entries) # The [gdb_host != sun4sol2] hack is because Solaris does provide the # multiple procfs files as of Solaris 2.6, but GDB can't use it right now. if test "$ac_cv_header_sys_procfs_h" = yes -a "$gdb_host" != sun4sol2 \ -a -d /proc/$$ \ -a -f /proc/$$/ctl \ -a -f /proc/$$/as \ -a -f /proc/$$/map \ -a -f /proc/$$/status; then AC_MSG_RESULT(yes) AC_DEFINE(HAVE_MULTIPLE_PROC_FDS) else AC_MSG_RESULT(no) fi 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) 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 See if host has libm. This is usually needed by simulators. AC_CHECK_LIB(m, main) dnl Solaris puts wctype in /usr/lib/libw.a before Solaris 2.6. dnl dnl A bug in GNU ld 2.9.1 causes a problem if we link in -lw dnl under Solaris 2.6 because it is some funky empty library. dnl So only link in libw if we have to. AC_CHECK_LIB(c, wctype,: ,AC_CHECK_LIB(w, wctype)) 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) AC_FUNC_MMAP dnl See if thread_db library is around for Solaris thread debugging. Note that dnl we must explicitly test for version 1 of the library because version 0 dnl (present on Solaris 2.4 or earlier) doesn't have the same API. dnl Note that we only want this if we are both native (host == target), and dnl 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_OBS="${CONFIG_OJS} 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*) 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_OBS="${CONFIG_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 ;; esac AC_SUBST(CONFIG_LDFLAGS) fi dnl Handle optional features that can be enabled. ENABLE_CFLAGS= AC_ARG_ENABLE(tui, [ --enable-tui Enable full-screen terminal user interface], [ case "${enable_tui}" in yes | no) ;; "") enable_tui=yes ;; *) AC_MSG_ERROR(Bad value for --enable-tui: ${enableval}) ;; esac ]) case ${enable_tui} in "yes" ) AC_DEFINE(TUI) BUILD_TUI=all-tui TUI_LIBRARY=tui/libtui.a ;; * ) BUILD_TUI= TUI_LIBRARY= ;; esac AC_SUBST(BUILD_TUI) AC_SUBST(TUI_LIBRARY) 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_OBS="${CONFIG_OBS} remote-nrom.o" CONFIG_SRCS="${CONFIG_SRCS} remote-nrom.c" fi AC_ARG_ENABLE(build-warnings, [ --enable-build-warnings Enable build-time compiler warnings if gcc is used], [build_warnings="-Wall -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations" 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],[build_warnings=""])dnl if test "x${build_warnings}" != x -a "x$GCC" = xyes then WARN_CFLAGS="${build_warnings}" else WARN_CFLAGS="" fi AC_SUBST(WARN_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 dnl Figure out which term library to use. if test x$gdb_cv_os_cygwin = xyes; then TERM_LIB='`if test -r ../libtermcap/libtermcap.a; then echo ../libtermcap/libtermcap.a; else echo -ltermcap; fi`' else TERM_LIB= AC_CHECK_LIB(ncurses, tgetent, TERM_LIB=-lncurses, AC_CHECK_LIB(Hcurses, tgetent, TERM_LIB=-lHcurses, AC_CHECK_LIB(termlib, tgetent, TERM_LIB=-ltermlib, AC_CHECK_LIB(termcap, tgetent, TERM_LIB=-ltermcap, AC_CHECK_LIB(curses, tgetent, TERM_LIB=-lcurses, AC_CHECK_LIB(terminfo, tgetent, TERM_LIB=-lterminfo)))))) if test "x$TERM_LIB" = x then AC_MSG_ERROR(Could not find a term library, e.g. termcap or termlib!) fi fi AC_SUBST(TERM_LIB) AC_PATH_X AC_SUBST(ENABLE_CFLAGS) AC_SUBST(CONFIG_OBS) AC_SUBST(CONFIG_DEPS) AC_SUBST(CONFIG_SRCS) # 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 AC_MSG_ERROR("*** Gdb does not support host ${host}") fi frags="$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 ' ${target_makefile_frag}` # these really aren't orthogonal true/false values of the same condition, # but shells are slow enough that I like to reuse the test conditions # whenever possible if test "${target}" = "${host}"; then nativefile=`sed -n ' s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p ' ${host_makefile_frag}` # else # GDBserver is only useful in a "native" enviroment # configdirs=`echo $configdirs | sed 's/gdbserver//'` fi changequote([,]) # If hostfile (XM_FILE) and/or targetfile (TM_FILE) and/or nativefile # (NAT_FILE) is not set in config/*/*.m[ht] files, we don't make the # corresponding links. But we have to remove the xm.h files and tm.h # files anyway, e.g. when switching from "configure host" to # "configure none". files= links= rm -f xm.h if test "${hostfile}" != ""; then files="${files} config/${gdb_host_cpu}/${hostfile}" links="${links} xm.h" fi rm -f tm.h if test "${targetfile}" != ""; then files="${files} config/${gdb_target_cpu}/${targetfile}" links="${links} tm.h" fi rm -f nm.h if test "${nativefile}" != ""; then files="${files} config/${gdb_host_cpu}/${nativefile}" links="${links} nm.h" else # A cross-only configuration. files="${files} config/nm-empty.h" links="${links} nm.h" fi AC_LINK_FILES($files, $links) dnl Check for exe extension set on certain hosts (e.g. Win32) AC_EXEEXT AC_CONFIG_SUBDIRS($configdirs) AC_OUTPUT(Makefile tui/Makefile .gdbinit:gdbinit.in, [ dnl Autoconf doesn't provide a mechanism for modifying definitions dnl provided by makefile fragments. dnl if test "${nativefile}" = ""; then sed -e '/^NATDEPFILES[[ ]]*=[[ ]]*/s//# NATDEPFILES=/' \ < Makefile > Makefile.tem mv -f Makefile.tem Makefile fi changequote(,)dnl sed -e '/^TM_FILE[ ]*=/s,^TM_FILE[ ]*=[ ]*,&config/'"${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