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 AC_CANONICAL_SYSTEM AC_PROG_INSTALL AC_CHECK_TOOL(AR, ar) AC_CHECK_TOOL(RANLIB, ranlib, :) AC_PROG_YACC AC_PROG_AWK AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..) AC_ARG_PROGRAM AC_HEADER_STDC AC_CHECK_HEADERS(limits.h memory.h string.h strings.h unistd.h termios.h termio.h sgtty.h stddef.h stdlib.h sys/procfs.h link.h endian.h) AC_HEADER_STAT AC_C_CONST AC_CHECK_FUNCS(setpgid sbrk select poll) # If we are configured native on Linux, work around problems with sys/procfs.h if test "${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 $gdb_cv_have_fpregset_t = yes; then AC_DEFINE(HAVE_FPREGSET_T) fi dnl See if compiler supports "long long" type. AC_MSG_CHECKING(for long long support in compiler) AC_CACHE_VAL(gdb_cv_c_long_long, [AC_TRY_COMPILE(, [ extern long long foo; switch (foo & 2) { case 0: return 1; } ], gdb_cv_c_long_long=yes, gdb_cv_c_long_long=no)]) AC_MSG_RESULT($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[16]; long long l = 0x12345; sprintf (buf, "%llx", l); return (strcmp ("12345", 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) 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} = ${target} ; then AC_MSG_CHECKING(for Solaris thread debugging library) if test -f /usr/lib/libthread_db.so.1 ; then AC_MSG_RESULT(yes) THREAD_DB_OBS=sol-thread.o AC_DEFINE(HAVE_THREAD_DB_LIB) CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Xlinker -export-dynamic" else AC_MSG_RESULT(no) fi case ${host_os} in hpux*) AC_MSG_CHECKING(for HPUX/OSF thread support) if test -f /usr/include/dce/cma_config.h ; then AC_MSG_RESULT(yes) AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT) THREAD_DB_OBS=hpux-thread.o else AC_MSG_RESULT(no) fi ;; esac AC_SUBST(THREAD_DB_OBS) AC_SUBST(CONFIG_LDFLAGS) fi dnl Handle optional features that can be enabled. ENABLE_CFLAGS= ENABLE_CLIBS= ENABLE_OBS= AC_ARG_ENABLE(netrom, [ --enable-netrom ], [case "${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 ENABLE_OBS="${ENABLE_OBS} remote-nrom.o" fi # start-sanitize-gm ENABLE_GM= AC_ARG_ENABLE(gm, [ --enable-gm ], [case "${enableval}" in yes) ENABLE_OBS="${ENABLE_OBS} gmagic.o" ENABLE_CFLAGS=-DGENERAL_MAGIC ;; no) ;; *) AC_MSG_ERROR(bad value ${enableval} given for gm option) ;; esac]) # end-sanitize-gm AC_ARG_ENABLE(sim-powerpc, [ --enable-sim-powerpc ], [case "${enableval}" in yes) powerpc_sim=yes ;; no) powerpc_sim=no ;; *) AC_MSG_ERROR(bad value ${enableval} given for sim-powerpc option) ;; esac],[if test x"$GCC" != x""; then powerpc_sim=yes; else powerpc_sim=no; fi]) # start-sanitize-gdbtk 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 ;; *cygwin32* | *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* | *cygwin32* | *windows*) ;; *) enable_gdbtk=yes ;; esac ]) 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 # Include some libraries that Tcl and Tk want. LIBS="$LIBS $TK_LIBS" ENABLE_GDBTK=1 TCL_LIBS='$(TCL) $(TK) $(X11_LDFLAGS) $(X11_LIBS)' ENABLE_CLIBS="${ENABLE_CLIBS} ${TCL_LIBS}" ENABLE_OBS="${ENABLE_OBS} gdbtk.o" fi fi fi AC_SUBST(ENABLE_GDBTK) AC_SUBST(X_CFLAGS) AC_SUBST(X_LDFLAGS) AC_SUBST(X_LIBS) # end-sanitize-gdbtk AC_SUBST(ENABLE_CFLAGS) AC_SUBST(ENABLE_CLIBS) AC_SUBST(ENABLE_OBS) # 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) configdirs="doc testsuite" dnl changequote(,)dnl . ${srcdir}/configure.host . ${srcdir}/configure.tgt dnl changequote([,])dnl frags= host_makefile_frag=${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 # Make it possible to use the GUI without doing a full install if test "${enable_gdbtk}" = "yes" -a ! -f gdbtk.tcl ; then files="${files} gdbtk.tcl" links="${links} gdbtk.tcl" fi # end-sanitize-gdbtk AC_LINK_FILES($files, $links) AC_CONFIG_SUBDIRS($configdirs) AC_OUTPUT(Makefile, [ 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 ${srcdir} in .) ;; *) grep "source ${srcdir}/.gdbinit" .gdbinit >/dev/null 2>/dev/null || \ echo "source ${srcdir}/.gdbinit" >> .gdbinit esac case x$CONFIG_HEADERS in xconfig.h:config.in) echo > stamp-h ;; esac ], [ gdb_host_cpu=$gdb_host_cpu gdb_target_cpu=$gdb_target_cpu nativefile=$nativefile ]) exit 0