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Diffstat (limited to 'gdb/configure.in')
| -rw-r--r-- | gdb/configure.in | 606 |
1 files changed, 606 insertions, 0 deletions
diff --git a/gdb/configure.in b/gdb/configure.in new file mode 100644 index 0000000..d658118 --- /dev/null +++ b/gdb/configure.in @@ -0,0 +1,606 @@ +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 <unistd.h> +#include <sys/types.h> +#include <sys/procfs.h> +], [ + 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 <proc_service.h> + # at one point. + AC_MSG_CHECKING(if <proc_service.h> is old) + AC_CACHE_VAL(gdb_cv_proc_service_is_old,[ + AC_TRY_COMPILE([ + #include <proc_service.h> + 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 >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 |