Makefile.in (TARGET_GETGROUPS_T): New configuration variable.

	* Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
	* configure.in (TARGET_GETGROUPS_T): Evaluate.
	* sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
	of second argument of getgroups.
	* configure, config.in: Rebuilt.

From-SVN: r35086

gcc/ChangeLog

+2000-07-17  J. David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+	* Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
+	* configure.in (TARGET_GETGROUPS_T): Evaluate.
+	* sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
+	of second argument of getgroups.
+	* configure, config.in: Rebuilt.
+
 2000-07-17  Geoffrey Keating  <geoffk@cygnus.com>
 
 	* simplify-rtx.c (simplify_relational_operation): Two signed

gcc/Makefile.in

@@ -130,6 +130,9 @@ RANLIB_TEST = \
   [ -f $(RANLIB) ] \
   || [ -f /usr/bin/ranlib -o -f /bin/ranlib ]
 
+# Substitution type for target's getgroups 2nd arg.
+TARGET_GETGROUPS_T = @TARGET_GETGROUPS_T@
+
 # Compiler to use for compiling libgcc1.a.
 # OLDCC should not be the GNU C compiler,
 # since that would compile typical libgcc1.a functions such as mulsi3
@@ -1857,7 +1860,8 @@ unprotoize.o: unprotoize.c protoize.c $(srcdir)/../include/getopt.h \
 SYSCALLS.c.X: $(srcdir)/sys-types.h $(srcdir)/sys-protos.h $(GCC_PASSES) \
    stmp-int-hdrs
 	-rm -f SYSCALLS.c tmp-SYSCALLS.s
-	cat $(srcdir)/sys-types.h $(srcdir)/sys-protos.h > SYSCALLS.c
+	sed -e s/TARGET_GETGROUPS_T/$(TARGET_GETGROUPS_T)/ \
+	  $(srcdir)/sys-types.h $(srcdir)/sys-protos.h > SYSCALLS.c
 	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
 	  -aux-info $@ -S -o tmp-SYSCALLS.s SYSCALLS.c
 	-rm -f SYSCALLS.c tmp-SYSCALLS.s
@@ -2014,7 +2018,8 @@ scan.o: scan.c scan.h $(build_xm_file) system.h
 	$(HOST_CC) -c $(HOST_CFLAGS) $(HOST_CPPFLAGS) $(INCLUDES) $(srcdir)/scan.c
 
 xsys-protos.h: $(GCC_PASSES) $(srcdir)/sys-protos.h deduced.h gen-protos Makefile
-	cat deduced.h $(srcdir)/sys-protos.h > tmp-fixtmp.c
+	sed -e s/TARGET_GETGROUPS_T/$(TARGET_GETGROUPS_T)/ \
+	  deduced.h $(srcdir)/sys-protos.h > tmp-fixtmp.c
 	mv tmp-fixtmp.c fixtmp.c
 	$(GCC_FOR_TARGET) fixtmp.c -w -U__SIZE_TYPE__ -U__PTRDIFF_TYPE__ -U__WCHAR_TYPE__ -E \
 	  | sed -e 's/	/ /g' -e 's/ *(/ (/g' -e 's/ [ ]*/ /g' -e 's/( )/()/' \

gcc/config.in

@@ -10,6 +10,13 @@
    This function is required for alloca.c support on those systems.  */
 #undef CRAY_STACKSEG_END
 
+/* Define to the type of elements in the array set by `getgroups'.
+   Usually this is either `int' or `gid_t'.  */
+#undef GETGROUPS_T
+
+/* Define to `int' if <sys/types.h> doesn't define.  */
+#undef gid_t
+
 /* Define if you have alloca, as a function or macro.  */
 #undef HAVE_ALLOCA
 
@@ -64,6 +71,9 @@
 /* Define if you can safely include both <sys/time.h> and <time.h>.  */
 #undef TIME_WITH_SYS_TIME
 
+/* Define to `int' if <sys/types.h> doesn't define.  */
+#undef uid_t
+
 /* Define vfork as fork if vfork does not work.  */
 #undef vfork
 

gcc/configure.in

@@ -480,6 +480,26 @@ AC_CHECK_FUNCS(strtoul bsearch putenv popen bcopy bzero bcmp \
 
 AC_CHECK_TYPE(ssize_t, int)
 
+# Try to determine the array type of the second argument of getgroups
+# for the target system (int or gid_t).
+AC_TYPE_GETGROUPS
+if test "${target}" = "${build}"; then
+  TARGET_GETGROUPS_T=$ac_cv_type_getgroups
+else
+  case "${target}" in
+	# This condition may need some tweaking.  It should include all
+	# targets where the array type of the second argument of getgroups
+	# is int and the type of gid_t is not equivalent to int.
+	*-*-sunos* | *-*-ultrix*)
+		TARGET_GETGROUPS_T=int
+		;;
+	*)
+		TARGET_GETGROUPS_T=gid_t
+		;;
+  esac
+fi
+AC_SUBST(TARGET_GETGROUPS_T)
+
 gcc_AC_FUNC_VFPRINTF_DOPRNT
 gcc_AC_FUNC_PRINTF_PTR
 

gcc/sys-protos.h

@@ -445,7 +445,7 @@ extern gid_t                  getgid(void);
 extern struct group *         getgrent(void);
 extern struct group *         getgrgid(gid_t);
 extern struct group *         getgrnam(const char *);
-extern int                    getgroups(int, gid_t *);
+extern int                    getgroups(int, TARGET_GETGROUPS_T []);
 extern struct hostent *       gethostbyaddr(/* ??? */);
 extern struct hostent *       gethostbyname(/* ??? */);
 extern struct hostent *       gethostent(/* ??? */);