Cleanup USE_INCLUDED_REGEX. Move -D to acconfig.h.
[deliverable/binutils-gdb.git] / gdb / configure.in
index ac2620a1e3d5529c1498eb1024eecbbc31198c84..5810c47dc99c066fa1e0a831b8291db7f8095172 100644 (file)
@@ -41,6 +41,12 @@ dnl List of object files added by configure.
 CONFIG_OBS=
 CONFIG_DEPS=
 CONFIG_SRCS=
+CONFIG_INITS=
+ENABLE_CFLAGS=
+CONFIG_ALL=
+CONFIG_CLEAN=
+CONFIG_INSTALL=
+CONFIG_UNINSTALL=
 
 configdirs="doc testsuite"
 
@@ -73,25 +79,66 @@ AC_CHECK_TOOL(AR, ar)
 AC_CHECK_TOOL(RANLIB, ranlib, :)
 AC_PROG_YACC
 
+dnl MiG is needed for the Hurd.
+AC_CHECK_TOOL(MIG, mig)
+
 AC_ARG_PROGRAM
 
 AC_TYPE_SIGNAL
 
 AC_HEADER_STDC
 
-AC_CHECK_HEADERS(ctype.h curses.h endian.h link.h \
+dnl Solaris 7 needs _MSE_INT_H defined to avoid a clash between <widec.h>
+dnl and <wchar.h> that causes AC_CHECK_HEADERS to think <curses.h> doesn't
+dnl exist.
+
+case $host_os in solaris2.7) case "$GCC" in yes)
+    AC_DEFINE(_MSE_INT_H)
+esac; esac
+
+AC_CHECK_HEADERS(ctype.h curses.h endian.h link.h thread_db.h proc_service.h \
        memory.h objlist.h ptrace.h sgtty.h stddef.h stdlib.h \
-       string.h sys/procfs.h sys/ptrace.h sys/reg.h \
+       string.h sys/procfs.h sys/ptrace.h sys/reg.h stdint.h \
        term.h termio.h termios.h unistd.h wait.h sys/wait.h \
        wchar.h wctype.h asm/debugreg.h sys/debugreg.h sys/select.h \
-       time.h)
+       time.h sys/ioctl.h)
 AC_HEADER_STAT
 
 AC_C_CONST
 
-AC_CHECK_FUNCS(setpgid sbrk sigaction isascii bzero bcopy btowc poll)
+AC_CHECK_FUNCS(setpgid sbrk sigaction isascii bzero bcopy btowc poll sigprocmask)
 AC_FUNC_ALLOCA
 
+dnl See if ptrace.h provides the PTRACE_GETREGS request.
+AC_MSG_CHECKING(for PTRACE_GETREGS)
+AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
+[AC_TRY_COMPILE([#include <sys/ptrace.h>],
+               [PTRACE_GETREGS;],
+               [gdb_cv_have_ptrace_getregs=yes],
+               [gdb_cv_have_ptrace_getregs=no])])
+AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
+if test $gdb_cv_have_ptrace_getregs = yes; then
+  AC_DEFINE(HAVE_PTRACE_GETREGS)
+fi
+
+dnl See if ptrace.h provides the PTRACE_GETXFPREGS request.
+dnl PTRACE_GETXFPREGS is a Cygnus invention, since we wrote our own
+dnl Linux kernel patch for SSE support.  That patch may or may not
+dnl actually make it into the official distribution.  If you find that
+dnl years have gone by since this configure test was added, and Linux
+dnl isn't using PTRACE_GETXFPREGS, that means that our patch didn't
+dnl make it, and you can delete this code.
+AC_MSG_CHECKING(for PTRACE_GETXFPREGS)
+AC_CACHE_VAL(gdb_cv_have_ptrace_getxfpregs,
+[AC_TRY_COMPILE([#include <sys/ptrace.h>],
+               [PTRACE_GETXFPREGS;],
+               [gdb_cv_have_ptrace_getxfpregs=yes],
+               [gdb_cv_have_ptrace_getxfpregs=no])])
+AC_MSG_RESULT($gdb_cv_have_ptrace_getxfpregs)
+if test $gdb_cv_have_ptrace_getxfpregs = yes; then
+  AC_DEFINE(HAVE_PTRACE_GETXFPREGS)
+fi
+
 AC_CHECK_LIB(socket, socketpair)
 AC_CHECK_FUNCS(socketpair)
 
@@ -126,33 +173,21 @@ 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.
+# Also detect which type of /proc is in use, such as for Unixware or Solaris.
 
 if test "${target}" = "${host}"; then
-  gdb_cv_hostos_is_solaris=no
   case "${host}" in
   i[[3456]]86-*-linux*)
        AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,2)
        AC_DEFINE(sys_quotactl)
        ;;
-  *-*-solaris*)
-       gdb_cv_hostos_is_solaris=yes ;;
+  *-*-unixware* | *-*-sysv4.2* | *-*-sysv5*)
+      AC_DEFINE(NEW_PROC_API)
+      ;;
+  *-*-solaris2.[[678]])
+      AC_DEFINE(NEW_PROC_API)
+      ;;
   esac
-  AC_MSG_CHECKING(for directory proc entries)
-# The [gdb_host != sun4sol2] hack is because Solaris does provide the
-# multiple procfs files as of Solaris 2.6, but GDB can't use it right now.
-  if test "$ac_cv_header_sys_procfs_h" = yes -a \
-          "$gdb_cv_hostos_is_solaris" = no \
-  -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 "$ac_cv_header_sys_procfs_h" = yes; then
@@ -160,6 +195,10 @@ if test "$ac_cv_header_sys_procfs_h" = yes; then
   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(lwpid_t)
+  BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
 
   dnl Check for PIOCSET ioctl entry 
 
@@ -348,7 +387,34 @@ if test ${build} = ${host} -a ${host} = ${target} ; then
 fi
 
 dnl Handle optional features that can be enabled.
-ENABLE_CFLAGS=
+
+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
+])
+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="${CONFIG_SRS} \$(SUBDIR_MI_SRCS)"
+      CONFIG_INITS="${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
 
 AC_ARG_ENABLE(tui,
 [  --enable-tui            Enable full-screen terminal user interface],
@@ -388,10 +454,14 @@ if test "${enable_netrom}" = "yes"; then
         CONFIG_SRCS="${CONFIG_SRCS} remote-nrom.c"
 fi
 
+
+build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs \
+-Wformat -Wparentheses -Wpointer-arith"
+# Not yet: -Wall -Wpointer-arith -Wstrict-prototypes
+# -Wmissing-prototypes -Wmissing-declarations
 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 "${enableval}" in
+[case "${enableval}" in
   yes) ;;
   no)  build_warnings="-w";;
   ,*)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
@@ -402,7 +472,7 @@ case "${enableval}" in
 esac
 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
   echo "Setting warning flags = $build_warnings" 6>&1
-fi
+fi])dnl
 WARN_CFLAGS=""
 WERROR_CFLAGS=""
 if test "x${build_warnings}" != x -a "x$GCC" = xyes
@@ -415,8 +485,7 @@ then
     *) WARN_CFLAGS="${WARN_CFLAGS} $w"
     esac
   done
-fi],[build_warnings=""])dnl
-
+fi
 AC_SUBST(WARN_CFLAGS)
 AC_SUBST(WERROR_CFLAGS)
 
@@ -440,6 +509,37 @@ if test x$want_mmalloc = xtrue; then
    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 $want_included_regex = false; then
+  AC_MSG_CHECKING(for GNU regex)
+  AC_CACHE_VAL(gdb_cv_have_gnu_regex,
+[AC_TRY_COMPILE([#include <gnu-versions.h>
+#include <sys/types.h>
+#include <regex.h>],
+[#if !defined _GNU_REGEX_INTERFACE_VERSION || !defined __GLIBC__ || __GLIBC__ < 2
+#error No valid GNU regex.
+#endif
+],
+               [gdb_cv_have_gnu_regex=yes],
+               [gdb_cv_have_gnu_regex=no])])
+  AC_MSG_RESULT($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,
@@ -480,9 +580,203 @@ AC_SUBST(TERM_LIB)
 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
+
+    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_ITKH
+          CY_AC_PATH_TIXH
+
+          # now look for Itcl library stuff
+
+          CY_AC_PATH_ITCLCONFIG
+           if test -z "${no_itcl}"; then
+             CY_AC_LOAD_ITCLCONFIG
+            case "${host}" in
+            *-*-cygwin*)
+               itcldir=../itcl/itcl/win/
+               ;;
+            *)
+               itcldir=../itcl/itcl/unix/
+               ;;
+            esac
+
+            ITCLLIB="${ITCL_BUILD_LIB_SPEC}"
+            ITCL_DEPS="${itcldir}${ITCL_LIB_FILE}"
+           fi
+
+          
+          # now look for Itk library stuff
+          CY_AC_PATH_ITKCONFIG
+           if test -z "${no_itcl}"; then
+             CY_AC_LOAD_ITKCONFIG
+
+            case "${host}" in
+              *-*-cygwin*)
+                itkdir=../itcl/itk/win/
+                ;;
+              *)
+                itkdir=../itcl/itk/unix/
+                ;;
+              esac 
+
+            ITKLIB="${ITK_BUILD_LIB_SPEC}"
+            ITK_DEPS="${itkdir}${ITK_LIB_FILE}"
+           fi
+
+          # now look for Tix library stuff
+          CY_AC_PATH_TIXCONFIG
+           if test -z "${no_tix}"; then
+             CY_AC_LOAD_TIXCONFIG
+            TIXLIB="${TIX_BUILD_LIB_SPEC}"
+            TIX_DEPS="${TIX_BUILD_LOCATION}/${TIX_LIB_FILE}"
+           fi
+
+           ENABLE_CFLAGS="$ENABLE_CFLAGS -DGDBTK"
+          # Tcl/Tk 8.1 require -fwritable strings.  I don't
+           # know whether 8.2 will or not, but I bet it will.
+           # I don't have to worry about 7.x since we don't support it.
+           GDBTK_CFLAGS=""
+          if test "$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) $(TIX) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
+          CONFIG_DEPS='$(LIBGUI) $(ITCL_DEPS) $(ITK_DEPS) $(TIX_DEPS) $(TK_DEPS) $(TCL_DEPS)'
+          # Yes, the ordering seems wrong here.  But it isn't.
+          # TK_LIBS is the list of libraries that need to be linked
+          # after Tcl/Tk.  Note that this isn't put into LIBS.  If it
+          # were in LIBS then any link tests after this point would
+          # try to include things like `$(LIBGUI)', which wouldn't work.
+          GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
+          CONFIG_SRCS="${CONFIG_SRCS} gdbtk/generic/gdbtk.c gdbtk/generic/gdbtk-cmds.c gdbtk/generic/gdbtk-hooks.c gdbtk/generic/gdbtk-varobj.c gdbtk/generic/gdbtk-wrapper.c"
+          CONFIG_OBS="${CONFIG_OBS} gdbtk.o gdbtk-cmds.o gdbtk-hooks.o gdbtk-varobj.o gdbtk-wrapper.o"
+          CONFIG_INITS="${CONFIG_INITS} gdbtk/generic/gdbtk.c gdbtk/generic/gdbtk-cmds.c gdbtk/generic/gdbtk-hooks.c gdbtk/generic/gdbtk-varobj.c gdbtk/generic/gdbtk-wrapper.c"
+          CONFIG_ALL="${CONFIG_ALL} \$(SUBDIR_GDBTK_ALL)"
+          CONFIG_CLEAN="${CONFIG_ALL} \$(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
+fi
+
+AC_SUBST(X_CFLAGS)
+AC_SUBST(X_LDFLAGS)
+AC_SUBST(X_LIBS)
+AC_SUBST(ITCLLIB)
+AC_SUBST(ITCL_DEPS)
+AC_SUBST(ITKLIB)
+AC_SUBST(ITK_DEPS)
+AC_SUBST(TIXLIB)
+AC_SUBST(TIX_DEPS)
+AC_SUBST(GDBTKLIBS)
+AC_SUBST(GDBTK_CFLAGS)
 
 AC_PATH_X
 
@@ -525,6 +819,11 @@ AC_SUBST(ENABLE_CFLAGS)
 AC_SUBST(CONFIG_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,
@@ -548,7 +847,7 @@ if test "${shared}" = "true"; then
     ;;
   *-*-linux*aout*)
     ;;
-  *-*-linux* | *-pc-linux-gnu)
+  *-*-linux* | *-pc-linux-gnu*)
     HLDFLAGS='-Wl,-rpath,$(libdir)'
     ;;
   *-*-solaris*)
@@ -667,6 +966,7 @@ else
 files="${files} config/nm-empty.h"
 links="${links} nm.h"
 fi
+AC_PROG_LN_S
 
 AC_LINK_FILES($files, $links)
 
@@ -692,6 +992,7 @@ sed -e '/^TM_FILE[  ]*=/s,^TM_FILE[         ]*=[    ]*,&config/'"${gdb_target_cpu}"'/,
 mv -f Makefile.tmp Makefile
 changequote([,])dnl
 
+
 case x$CONFIG_HEADERS in
 xconfig.h:config.in)
 echo > stamp-h ;;
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