Patch from Ralf Corsepius <corsepiu@faw.uni-ulm.de>:

Here is another fix, which addresses a few more or less severe bugs in
    configuration and unix/posix:

    * Configuration fix: c/src/lib/configure.in didn't handle RDBG correctly

    * Configuration fix: make depend was non-functional in
      c/src/lib/libc/Makefile.in
    * Configuration fix: stray comment removed from aclocal/target.m4

    * RTEMS fix: termios support for unix/posix now uses the host's headers
      only (was completely broken).
    - Don't install RTEMS's newlib sys/termios.h for unix (sys/termios.h
      apparently is a newlib specific header)
    - To be able to compile RTEMS's  termios.c with glibc2.1, glibc-2.1
      needs __USE_MISC, which is a private define from gcc's features.h, being
      defined only when _BSD_SOURCE of _SVID_SOURCE is defined.  RTEMS's
      termios apparently implements BSD, thus -D_BSD_SOURCE was added to
      Linux-posix.cfg.
    - Conflicting definitions for  __USE_MISC and _BSD_SOURCE inside of
      RTEMS codes removed due to definition of _BSD_SOURCE on the toplevel.

    This fix has been tested with linux/posix (primary glibc2.1 native),
    linux/posix (secondary libc5 native), sh/gensh1, i386/pc386 and a couple
    of other bsp's/CPU.

    To apply:

        cd <srcdir>
        patch -p1 < rtems-rc-19990709-9.diff

    and
        aclocal -I aclocal && automake && autoconf
        cd c/src/lib; autoconf

    or
        ./autogen

c/src/exec/libcsupport/src/malloc.c

@@ -27,10 +27,6 @@
 #include <errno.h>
 #include <string.h>
 
-/* for sbrk prototype in linux */
-#if defined(__linux__)
-#define __USE_MISC
-#endif
 #include <unistd.h>    /* sbrk(2) */
 
 rtems_id RTEMS_Malloc_Heap;

c/src/lib/configure

@@ -2442,7 +2442,7 @@ fi
 
 
 
-  if test "$HAS_RDBG" = "yes"; then
+  if test "$RTEMS_HAS_RDBG" = "yes"; then
     echo $ac_n "checking whether BSP supports librdbg""... $ac_c" 1>&6
 echo "configure:2448: checking whether BSP supports librdbg" >&5
 if eval "test \"`echo '$''{'rtems_cv_HAS_RDBG'+set}'`\" = set"; then

c/src/lib/configure.in

@@ -124,7 +124,7 @@ if test "$HAS_NETWORKING" = "yes"; then
   RTEMS_CHECK_MAKEFILE(libnetworking)
   RTEMS_CHECK_MAKEFILE(librpc)
 
-  if test "$HAS_RDBG" = "yes"; then
+  if test "$RTEMS_HAS_RDBG" = "yes"; then
     RTEMS_CHECK_RDBG(RTEMS_BSP)
 
     if test "$HAS_RDBG" = "yes"; then

c/src/lib/include/Makefile.in

@@ -31,7 +31,8 @@ H_FILES = $(H_PIECES:%=$(srcdir)/%.h)
 
 SYS_H_PIECES_no_V = ioctl
 SYS_H_PIECES_yes_V =
-SYS_H_PIECES = termios utime $(SYS_H_PIECES_$(HAS_NETWORKING)_V)
+@UNIX_FALSE@SYS_H_PIECES = termios
+SYS_H_PIECES += utime $(SYS_H_PIECES_$(HAS_NETWORKING)_V)
 SYS_H_FILES = $(SYS_H_PIECES:%=$(srcdir)/sys/%.h)
 
 MOTOROLA_H_PIECES = mc68230 mc68681

c/src/lib/libbsp/unix/posix/startup/bspstart.c

@@ -20,10 +20,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-/* for sbrk prototype in linux */
-#if defined(__linux__)
-#define __USE_MISC
-#endif
 #include <unistd.h>
 
 #include <bsp.h>

c/src/lib/libc/Makefile.in

@@ -43,18 +43,6 @@ LIBC_GLUE_C_PIECES = __gettod __times truncate access stat lstat pathconf \
 
 UNIX_LIBC_C_PIECES = unixlibc hosterr
 
-include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
-include $(RTEMS_ROOT)/make/lib.cfg
-
-INSTALL_CHANGE = @INSTALL_CHANGE@
-mkinstalldirs = $(SHELL) $(top_srcdir)/@RTEMS_TOPdir@/mkinstalldirs
-
-INSTALLDIRS = $(PROJECT_INCLUDE)/rtems $(PROJECT_INCLUDE)/sys \
-    $(PROJECT_INCLUDE)
-
-$(INSTALLDIRS):
-	@$(mkinstalldirs) $(INSTALLDIRS)
-
 # C and C++ source names, if any, go here -- minus the .c or .cc
 UNIX_C_PIECES = $(UNIX_LIBC_C_PIECES) $(BASE_FS_C_PIECES) $(MALLOC_C_PIECES) \
     $(TERMIOS_C_PIECES)
@@ -72,6 +60,18 @@ H_FILES = $(srcdir)/libcsupport.h
 SYS_H_FILES =
 RTEMS_H_FILES = $(srcdir)/libio.h
 
+include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
+include $(RTEMS_ROOT)/make/lib.cfg
+
+INSTALL_CHANGE = @INSTALL_CHANGE@
+mkinstalldirs = $(SHELL) $(top_srcdir)/@RTEMS_TOPdir@/mkinstalldirs
+
+INSTALLDIRS = $(PROJECT_INCLUDE)/rtems $(PROJECT_INCLUDE)/sys \
+    $(PROJECT_INCLUDE)
+
+$(INSTALLDIRS):
+	@$(mkinstalldirs) $(INSTALLDIRS)
+
 SRCS = $(C_FILES) $(H_FILES) $(SYS_H_FILES) $(RTEMS_H_FILES)
 OBJS = $(C_O_FILES)
 

c/src/lib/libc/malloc.c

@@ -27,10 +27,6 @@
 #include <errno.h>
 #include <string.h>
 
-/* for sbrk prototype in linux */
-#if defined(__linux__)
-#define __USE_MISC
-#endif
 #include <unistd.h>    /* sbrk(2) */
 
 rtems_id RTEMS_Malloc_Heap;

c/src/lib/libmisc/monitor/mon-symbols.c

@@ -12,10 +12,6 @@
  */
 
 /* for strcasecmp in linux and solaris */
-#if defined(__linux__)
-#include <features.h>
-#define __USE_BSD
-#endif
 #include <string.h>
 
 #define __RTEMS_VIOLATE_KERNEL_VISIBILITY__

c/src/libmisc/monitor/mon-symbols.c

@@ -12,10 +12,6 @@
  */
 
 /* for strcasecmp in linux and solaris */
-#if defined(__linux__)
-#include <features.h>
-#define __USE_BSD
-#endif
 #include <string.h>
 
 #define __RTEMS_VIOLATE_KERNEL_VISIBILITY__