dnl Autoconf configure script for GDB, the GNU debugger. dnl Copyright 1995, 1996 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(2.5)dnl AC_INIT(main.c) AC_CONFIG_HEADER(config.h:config.in) AC_PROG_CC AC_AIX AC_MINIX AC_ISC_POSIX DLLTOOL=${DLLTOOL-dlltool} AC_SUBST(DLLTOOL) AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..) AC_CANONICAL_SYSTEM dnl List of object files added by configure. CONFIG_OBS= CONFIG_DEPS= CONFIG_SRCS= configdirs="doc testsuite" dnl changequote(,)dnl . ${srcdir}/configure.host . ${srcdir}/configure.tgt dnl changequote([,])dnl AC_PROG_INSTALL AC_CHECK_TOOL(AR, ar) AC_CHECK_TOOL(RANLIB, ranlib, :) AC_PROG_YACC AC_PROG_AWK AC_ARG_PROGRAM AC_TYPE_SIGNAL AC_HEADER_STDC AC_CHECK_HEADERS(limits.h memory.h string.h strings.h unistd.h termios.h termio.h sgtty.h stddef.h stdlib.h sys/procfs.h link.h endian.h objlist.h) AC_HEADER_STAT AC_C_CONST AC_CHECK_FUNCS(setpgid sbrk select poll sigaction) # If we are configured native on Linux, work around problems with sys/procfs.h if test "${target}" = "${host}"; then case "${host}" in i[[3456]]86-*-linux*) AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,2) AC_DEFINE(sys_quotactl) ;; esac fi AC_MSG_CHECKING([for gregset_t type]) AC_CACHE_VAL(gdb_cv_have_gregset_t, [AC_TRY_LINK([#include ],[gregset_t *gregsetp = 0], gdb_cv_have_gregset_t=yes, gdb_cv_have_gregset_t=no)]) AC_MSG_RESULT($gdb_cv_have_gregset_t) if test $gdb_cv_have_gregset_t = yes; then AC_DEFINE(HAVE_GREGSET_T) fi AC_MSG_CHECKING([for fpregset_t type]) AC_CACHE_VAL(gdb_cv_have_fpregset_t, [AC_TRY_LINK([#include ],[fpregset_t *fpregsetp = 0], gdb_cv_have_fpregset_t=yes, gdb_cv_have_fpregset_t=no)]) AC_MSG_RESULT($gdb_cv_have_fpregset_t) if test $gdb_cv_have_fpregset_t = yes; then AC_DEFINE(HAVE_FPREGSET_T) fi dnl See if host has libm. This is usually needed by simulators. AC_CHECK_LIB(m, main) dnl See if compiler supports "long long" type. AC_MSG_CHECKING(for long long support in compiler) AC_CACHE_VAL(gdb_cv_c_long_long, [AC_TRY_COMPILE(, [ extern long long foo; switch (foo & 2) { case 0: return 1; } ], gdb_cv_c_long_long=yes, gdb_cv_c_long_long=no)]) AC_MSG_RESULT($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 BFD_NEED_DECLARATION(malloc) BFD_NEED_DECLARATION(realloc) BFD_NEED_DECLARATION(free) 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 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(netrom, [ --enable-netrom ], [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 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$srcdir/../mmalloc" MMALLOC='../mmalloc/libmmalloc.a' fi # start-sanitize-gdbtk ENABLE_IDE= AC_ARG_ENABLE(ide, [ --enable-ide Enable IDE support]) if test "$enable_ide" = yes; then enable_ide=yes ENABLE_IDE=1 else enable_ide=no fi AC_SUBST(ENABLE_IDE) ENABLE_GDBTK= AC_ARG_ENABLE(gdbtk, [ --enable-gdbtk ], [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 ${enableval} given for gdbtk option) ;; esac], [ # Default is on for everything but go32 and cygwin32 case "$host" in *go32* | *windows*) ;; *) enable_gdbtk=yes ;; esac ]) # In the cygwin32 environment, we need some additional flags. AC_CACHE_CHECK([for cygwin32], gdb_cv_os_cygwin32, [AC_EGREP_CPP(lose, [ #ifdef __CYGWIN32__ lose #endif],[gdb_cv_os_cygwin32=yes],[gdb_cv_os_cygwin32=no])]) WIN32LIBS= WIN32LDAPP= AC_SUBST(WIN32LIBS) AC_SUBST(WIN32LDAPP) if test x$gdb_cv_os_cygwin32 = xyes; then if test x$enable_ide = xyes; then WIN32LIBS="-ladvapi32" fi fi configdir="unix" if test "${enable_gdbtk}" = "yes"; then CY_AC_PATH_TCLCONFIG if test -z "${no_tcl}"; then CY_AC_LOAD_TCLCONFIG CY_AC_PATH_TKCONFIG # 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_TIX # now look for tix library stuff TIXVERSION=4.1.8.0 . ${ac_cv_c_tclconfig}/tclConfig.sh case "${host}" in *-*-cygwin32*) tixdir=../tix/win/tcl8.0 ;; *) tixdir=../tix/unix/tk8.0 ;; esac if test "${TCL_SHARED_BUILD}" = "1"; then TIX_LIB_EXT="${TCL_SHLIB_SUFFIX}" # Can't win them all: SunOS 4 (others?) appends a version # number after the ".so" case "${host}" in *-*-sunos4*) TIX_LIB_EXT="${TIX_LIB_EXT}.1.0" ;; esac else TIX_LIB_EXT=".a" fi if test "${TCL_LIB_VERSIONS_OK}" = "ok"; then TIXLIB="-L${tixdir} -ltix${TIXVERSION}" TIX_DEPS="${tixdir}/libtix${TIXVERSION}${TIX_LIB_EXT}" else TIXLIB="-L${tixdir} -ltix`echo ${TIXVERSION} | tr -d .`" TIX_DEPS="${tixdir}/libtix`echo ${TIXVERSION} | tr -d .`${TIX_LIB_EXT}" fi ENABLE_GDBTK=1 # Include some libraries that Tcl and Tk want. if test "${enable_ide}" = "yes"; then TCL_LIBS='$(LIBIDE) $(LIBGUI) $(IDE) $(ITCL) $(TIX) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)' CONFIG_DEPS='$(LIBIDE) $(LIBGUI) $(IDE_DEPS) $(ITCL_DEPS) $(TIX_DEPS) $(TK_DEPS) $(TCL_DEPS)' else TCL_LIBS='$(LIBGUI) $(ITCL) $(TIX) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)' CONFIG_DEPS='$(LIBGUI) $(ITCL_DEPS) $(TIX_DEPS) $(TK_DEPS) $(TCL_DEPS)' fi # Yes, the ordering seems wrong here. But it isn't. # TK_LIBS is the list of libraries that need to be linked # after Tcl/Tk. LIBS="${LIBS} ${TCL_LIBS} ${TK_LIBS}" CONFIG_OBS="${CONFIG_OBS} gdbtk.o" if test x$gdb_cv_os_cygwin32 = xyes; then WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32 -luser32" WIN32LDAPP="-Wl,--subsystem,windows" fi fi fi fi AC_SUBST(ENABLE_GDBTK) AC_SUBST(X_CFLAGS) AC_SUBST(X_LDFLAGS) AC_SUBST(X_LIBS) AC_SUBST(TIXLIB) AC_SUBST(TIX_DEPS) # end-sanitize-gdbtk 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 # start-sanitize-gdbtk AC_PROG_LN_S # Make it possible to use the GUI without doing a full install if test "${enable_gdbtk}" = "yes" -a ! -d gdbtcl ; then if test "$LN_S" = "ln -s" -a ! -f gdbtcl ; then echo linking $srcdir/gdbtcl to gdbtcl $LN_S $srcdir/gdbtcl gdbtcl else echo Warning: Unable to link $srcdir/gdbtcl to gdbtcl. You will need to do a echo " " make install before you are able to run the GUI. fi fi # end-sanitize-gdbtk AC_LINK_FILES($files, $links) dnl Check for exe extension set on certain hosts (e.g. Win32) AM_EXEEXT AC_CONFIG_SUBDIRS($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 "${nativefile}" = ""; then sed -e '/^NATDEPFILES[[ ]]*=[[ ]]*/s//# NATDEPFILES=/' \ < Makefile > Makefile.tem mv -f Makefile.tem Makefile fi changequote(,)dnl sed -e '/^TM_FILE[ ]*=/s,^TM_FILE[ ]*=[ ]*,&config/'"${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