* event-top.c (async_stop_sig) [HAVE_SIGPROCMASK]: Some

[deliverable/binutils-gdb.git] / gdb / configure.in

diff --git a/gdb/configure.in b/gdb/configure.in
index 8bbcb18d8dad9bca76249db2cc78e130b23f1a09..bec40e037a6908a47c960c36a76de322dbc48c49 100644 (file)
--- a/gdb/configure.in
+++ b/gdb/configure.in
@@ -131,9 +131,39 @@ AC_HEADER_STAT
 
 AC_C_CONST
 
-AC_CHECK_FUNCS(setpgid sbrk sigaction isascii bzero bcopy btowc poll sigprocmask)
-AC_FUNC_VFORK
+AC_CHECK_FUNCS(bcopy btowc bzero isascii poll sbrk setpgid setpgrp \
+       sigaction sigprocmask sigsetmask)
 AC_FUNC_ALLOCA
+AC_FUNC_VFORK
+dnl AC_FUNC_SETPGRP does not work when cross compiling
+dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
+if test "$cross_compiling" = no; then
+  AC_FUNC_SETPGRP
+else
+  AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
+    [AC_TRY_COMPILE([
+#include <unistd.h>
+], [
+  if (setpgrp(1,1) == -1)
+    exit (0);
+  else
+    exit (1);
+], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
+if test $ac_cv_func_setpgrp_void = yes; then
+  AC_DEFINE(SETPGRP_VOID, 1)
+fi
+fi
+
+# Check if sigsetjmp is available.  Using AC_CHECK_FUNCS won't do
+# since sigsetjmp might only be defined as a macro.
+AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
+[AC_TRY_COMPILE([
+#include <setjmp.h>
+], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
+gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
+if test $gdb_cv_func_sigsetjmp = yes; then
+  AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
+fi
 
 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
@@ -341,6 +371,9 @@ if test ${host} = ${target} ; then
   AC_MSG_CHECKING(for member som_addr in struct so_map)
   AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
     [AC_TRY_COMPILE([#include <sys/types.h>
+#ifdef HAVE_NLIST_H
+#include <nlist.h>
+#endif
 #include <link.h>],
                     [struct so_map lm; (void) lm.som_addr;],
                     gdb_cv_have_struct_so_map_with_som_members=yes,
@@ -580,7 +613,8 @@ AC_ARG_ENABLE(gdbmi,
       AC_MSG_ERROR(Bad value for --enable-gdbmi: ${enableval})
     ;;
   esac
-])
+],
+[enable_gdbmi=yes])
 case ${enable_gdbmi} in
   "yes" )
     if test -d "${srcdir}/mi" ; then
@@ -908,11 +942,31 @@ configdir="unix"
 GDBTKLIBS=
 if test "${enable_gdbtk}" = "yes"; then
 
+    # Gdbtk must have an absolute path to srcdir in order to run
+    # properly when not installed.
+    here=`pwd`
+    cd ${srcdir}
+    GDBTK_SRC_DIR=`pwd`
+    cd $here
+
     CY_AC_PATH_TCLCONFIG
     if test -z "${no_tcl}"; then
        CY_AC_LOAD_TCLCONFIG
        CY_AC_PATH_TKCONFIG
 
+       # now look for Tcl library stuff
+
+       case "${host}" in
+       *-*-cygwin*)
+           tcldir=../tcl/win/
+           ;;
+       *)
+           tcldir=../tcl/unix/
+           ;;
+       esac
+
+       TCL_DEPS="${tcldir}${TCL_LIB_FILE}"
+
        # 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
@@ -923,6 +977,20 @@ if test "${enable_gdbtk}" = "yes"; then
           CY_AC_PATH_ITKH
           CY_AC_PATH_TIXH
 
+
+          # now look for Tk library stuff
+
+          case "${host}" in
+          *-*-cygwin*)
+              tkdir=../tk/win/
+              ;;
+          *)
+              tkdir=../tk/unix/
+              ;;
+          esac
+
+          TK_DEPS="${tkdir}${TK_LIB_FILE}"
+
           # now look for Itcl library stuff
 
           CY_AC_PATH_ITCLCONFIG
@@ -1010,6 +1078,8 @@ fi
 AC_SUBST(X_CFLAGS)
 AC_SUBST(X_LDFLAGS)
 AC_SUBST(X_LIBS)
+AC_SUBST(TCL_DEPS)
+AC_SUBST(TK_DEPS)
 AC_SUBST(ITCLLIB)
 AC_SUBST(ITCL_DEPS)
 AC_SUBST(ITKLIB)
@@ -1018,6 +1088,7 @@ AC_SUBST(TIXLIB)
 AC_SUBST(TIX_DEPS)
 AC_SUBST(GDBTKLIBS)
 AC_SUBST(GDBTK_CFLAGS)
+AC_SUBST(GDBTK_SRC_DIR)
 
 AC_PATH_X