2002-04-04 Jeff Johnston <jjohnstn@redhat.com>

* Makefile.am: Add support for installing crt1.o if one exists.
        * configure.host: Specify crt1.o for linux.
        * configure.in: Expose CRT1 and CRT1_DIR for Makefile.am to use.
        * Makefile.in: Regenerated.
        * configure: Ditto.
        * libc/include/sys/unistd.h (_SC_STREAM_MAX, _SC_PRIORITY_SCHEDULING):
        Added for non-Cygwin, non-RTEMS configurations.
        * libc/sys/linux/Makefile.am: Add support for crt1 and sysconf.
        * libc/sys/linux/Makefile.in: Regenerated.
        * libc/sys/linux/crt1.c: New empty file to override one defaulted
        by gcc.  This fixes problem with reconfiguring linux newlib build.
        * libc/sys/linux/sysconf.c: New file.
This commit is contained in:
Jeff Johnston
2002-04-04 22:41:11 +00:00
parent 244a8fae42
commit 6e6cd5bde6
11 changed files with 453 additions and 11 deletions

View File

@ -9,7 +9,7 @@ SUBLIBS = $(LINUX_MACH_LIB)
LIB_SOURCES = \
brk.c getoptlong.c ids.c inode.c io.c linux.c process.c realpath.c \
select.c signal.c socket.c sleep.c stack.c systat.c termios.c time.c \
select.c signal.c socket.c sleep.c stack.c sysconf.c systat.c termios.c time.c \
usleep.c wait.c
# This will handle both /usr/src/linux-2.4/include/asm/signal.h (in Red Hat Linux 7.1)
@ -37,7 +37,7 @@ lib.a: $(LINUX_MACH_LIB) $(lib_a_OBJECTS)
cd tmp; \
for i in $(SUBLIBS); do \
$(AR) x ../$$i; \
done; \
done; \
$(AR) $(AR_FLAGS) ../$@ *.o
$(RANLIB) $@
rm -rf tmp
@ -47,7 +47,7 @@ endif # USE_LIBTOOL
include $(srcdir)/../../../Makefile.shared
all: crt0.o
all: crt0.o crt1.o
crt0.o: machine/crt0.o
rm -f $@

View File

@ -94,7 +94,7 @@ SUBLIBS = $(LINUX_MACH_LIB)
LIB_SOURCES = \
brk.c getoptlong.c ids.c inode.c io.c linux.c process.c realpath.c \
select.c signal.c socket.c sleep.c stack.c systat.c termios.c time.c \
select.c signal.c socket.c sleep.c stack.c sysconf.c systat.c termios.c time.c \
usleep.c wait.c
@ -127,15 +127,16 @@ CPPFLAGS = @CPPFLAGS@
LIBS = @LIBS@
@USE_LIBTOOL_FALSE@lib_a_OBJECTS = brk.o getoptlong.o ids.o inode.o \
@USE_LIBTOOL_FALSE@io.o linux.o process.o realpath.o select.o signal.o \
@USE_LIBTOOL_FALSE@socket.o sleep.o stack.o systat.o termios.o time.o \
@USE_LIBTOOL_FALSE@usleep.o wait.o
@USE_LIBTOOL_FALSE@socket.o sleep.o stack.o sysconf.o systat.o \
@USE_LIBTOOL_FALSE@termios.o time.o usleep.o wait.o
LTLIBRARIES = $(noinst_LTLIBRARIES)
@USE_LIBTOOL_TRUE@liblinux_la_DEPENDENCIES =
@USE_LIBTOOL_TRUE@liblinux_la_OBJECTS = brk.lo getoptlong.lo ids.lo \
@USE_LIBTOOL_TRUE@inode.lo io.lo linux.lo process.lo realpath.lo \
@USE_LIBTOOL_TRUE@select.lo signal.lo socket.lo sleep.lo stack.lo \
@USE_LIBTOOL_TRUE@systat.lo termios.lo time.lo usleep.lo wait.lo
@USE_LIBTOOL_TRUE@sysconf.lo systat.lo termios.lo time.lo usleep.lo \
@USE_LIBTOOL_TRUE@wait.lo
CFLAGS = @CFLAGS@
COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
LTCOMPILE = $(LIBTOOL) --mode=compile $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
@ -475,7 +476,7 @@ maintainer-clean
@USE_LIBTOOL_FALSE@ cd tmp; \
@USE_LIBTOOL_FALSE@ for i in $(SUBLIBS); do \
@USE_LIBTOOL_FALSE@ $(AR) x ../$$i; \
@USE_LIBTOOL_FALSE@ done; \
@USE_LIBTOOL_FALSE@ done; \
@USE_LIBTOOL_FALSE@ $(AR) $(AR_FLAGS) ../$@ *.o
@USE_LIBTOOL_FALSE@ $(RANLIB) $@
@USE_LIBTOOL_FALSE@ rm -rf tmp
@ -487,7 +488,7 @@ objectlist.awk.in: $(noinst_LTLIBRARIES)
echo $$i `pwd`/$$i >> objectlist.awk.in ; \
done
all: crt0.o
all: crt0.o crt1.o
crt0.o: machine/crt0.o
rm -f $@

View File

@ -0,0 +1,3 @@
/* dummy crt1.c file to override the one normally used by
gcc which refers to glibc variables that don't exist in
newlib. */

View File

@ -0,0 +1,383 @@
/* libc/sys/linux/sysconf.c - The sysconf function */
/* Copyright 2002, Red Hat Inc. */
#include <unistd.h>
#include <limits.h>
#include <time.h>
#include <errno.h>
#include <sys/types.h>
long int
sysconf (int name)
{
switch (name)
{
case _SC_AIO_LISTIO_MAX:
#ifdef AIO_LISTIO_MAX
return AIO_LISTIO_MAX;
#else
return -1;
#endif
case _SC_AIO_MAX:
#ifdef AIO_MAX
return AIO_MAX;
#else
return -1;
#endif
case _SC_AIO_PRIO_DELTA_MAX:
#ifdef AIO_PRIO_DELTA_MAX
return AIO_PRIO_DELTA_MAX;
#else
return -1;
#endif
case _SC_ARG_MAX:
#ifdef ARG_MAX
return ARG_MAX;
#else
return -1;
#endif
case _SC_CHILD_MAX:
#ifdef CHILD_MAX
return CHILD_MAX;
#else
return -1;
#endif
case _SC_CLK_TCK:
return CLK_TCK;
case _SC_DELAYTIMER_MAX:
#ifdef DELAYTIMER_MAX
return DELAYTIMER_MAX;
#else
return -1;
#endif
case _SC_GETGR_R_SIZE_MAX:
#ifdef _GETGR_R_SIZE_MAX
return _GETGR_R_SIZE_MAX;
#else
return -1;
#endif
case _SC_GETPW_R_SIZE_MAX:
#ifdef _GETPW_R_SIZE_MAX
return _GETPW_R_SIZE_MAX;
#else
return -1;
#endif
case _SC_LOGIN_NAME_MAX:
#ifdef LOGIN_NAME_MAX
return LOGIN_NAME_MAX;
#else
return -1;
#endif
case _SC_MQ_OPEN_MAX:
#ifdef MQ_OPEN_MAX
return MQ_OPEN_MAX;
#else
return -1;
#endif
case _SC_MQ_PRIO_MAX:
#ifdef MQ_PRIO_MAX
return MQ_PRIO_MAX;
#else
return -1;
#endif
case _SC_NGROUPS_MAX:
#ifdef NGROUPS_MAX
return NGROUPS_MAX;
#else
return -1;
#endif
case _SC_OPEN_MAX:
#ifdef OPEN_MAX
return OPEN_MAX;
#else
return -1;
#endif
case _SC_PAGESIZE:
#ifdef PAGESIZE
return PAGESIZE;
#else
return -1;
#endif
case _SC_RTSIG_MAX:
#ifdef RTSIG_MAX
return RTSIG_MAX;
#else
return -1;
#endif
case _SC_SEM_NSEMS_MAX:
#ifdef SEM_NSEMS_MAX
return SEM_NSEMS_MAX;
#else
return -1;
#endif
case _SC_SEM_VALUE_MAX:
#ifdef SEM_VALUE_MAX
return SEM_VALUE_MAX;
#else
return -1;
#endif
case _SC_SIGQUEUE_MAX:
#ifdef SIGQUEUE_MAX
return SIGQUEUE_MAX;
#else
return -1;
#endif
case _SC_STREAM_MAX:
#ifdef STREAM_MAX
return STREAM_MAX;
#else
return -1;
#endif
case _SC_THREAD_DESTRUCTOR_ITERATIONS:
#ifdef PTHREAD_DESTRUCTOR_ITERATIONS
return PTHREAD_DESTRUCTOR_ITERATIONS;
#else
return -1;
#endif
case _SC_THREAD_KEYS_MAX:
#ifdef PTHREAD_KEYS_MAX
return PTHREAD_KEYS_MAX;
#else
return -1;
#endif
case _SC_THREAD_STACK_MIN:
#ifdef PTHREAD_STACK_MIN
return PTHREAD_STACK_MIN;
#else
return -1;
#endif
case _SC_THREAD_THREADS_MAX:
#ifdef PTHREAD_THREADS_MAX
return PTHREAD_THREADS_MAX;
#else
return -1;
#endif
case _SC_TIMER_MAX:
#ifdef TIMER_MAX
return TIMER_MAX;
#else
return -1;
#endif
case _SC_TTY_NAME_MAX:
#ifdef TTY_NAME_MAX
return TTY_NAME_MAX;
#else
return -1;
#endif
case _SC_TZNAME_MAX:
#ifdef TZNAME_MAX
return TZNAME_MAX;
#else
return -1;
#endif
case _SC_ASYNCHRONOUS_IO:
#ifdef _POSIX_ASYNCHRONOUS_IO
return 1;TZNAME_MAX;
#else
return -1;
#endif
case _SC_FSYNC:
#ifdef _POSIX_FSYNC
return 1;
#else
return -1;
#endif
case _SC_JOB_CONTROL:
#ifdef _POSIX_JOB_CONTROL
return 1;
#else
return -1;
#endif
case _SC_MAPPED_FILES:
#ifdef _POSIX_MAPPED_FILES
return 1;
#else
return -1;
#endif
case _SC_MEMLOCK:
#ifdef _POSIX_MEMLOCK
return 1;
#else
return -1;
#endif
case _SC_MEMLOCK_RANGE:
#ifdef _POSIX_MEMLOCK_RANGE
return _POSIX_MEMLOCK_RANGE;
#else
return -1;
#endif
case _SC_MEMORY_PROTECTION:
#ifdef _POSIX_MEMORY_PROTECTION
return 1;
#else
return -1;
#endif
case _SC_MESSAGE_PASSING:
#ifdef _POSIX_MESSAGE_PASSING
return 1;
#else
return -1;
#endif
case _SC_PRIORITIZED_IO:
#ifdef _POSIX_PRIORITIZED_IO
return 1;
#else
return -1;
#endif
case _SC_PRIORITY_SCHEDULING:
#ifdef _POSIX_PRIORITY_SCHEDULING
return 1;
#else
return -1;
#endif
case _SC_REALTIME_SIGNALS:
#ifdef _POSIX_REALTIME_SIGNALS
return 1;
#else
return -1;
#endif
case _SC_SAVED_IDS:
#ifdef _POSIX_SAVED_IDS
return 1;
#else
return -1;
#endif
case _SC_SEMAPHORES:
#ifdef _POSIX_SEMAPHORES
return 1;
#else
return -1;
#endif
case _SC_SHARED_MEMORY_OBJECTS:
#ifdef _POSIX_SHARED_MEMORY_OBJECTS
return 1;
#else
return -1;
#endif
case _SC_SYNCHRONIZED_IO:
#ifdef _POSIX_SYNCHRONIZED_IO
return 1;
#else
return -1;
#endif
case _SC_TIMERS:
#ifdef _POSIX_TIMERS
return 1;
#else
return -1;
#endif
case _SC_THREADS:
#ifdef _POSIX_THREADS
return 1;
#else
return -1;
#endif
case _SC_THREAD_ATTR_STACKADDR:
#ifdef _POSIX_THREAD_ATTR_STACKADDR
return 1;
#else
return -1;
#endif
case _SC_THREAD_ATTR_STACKSIZE:
#ifdef _POSIX_THREAD_ATTR_STACKSIZE
return 1;
#else
return -1;
#endif
case _SC_THREAD_PRIORITY_SCHEDULING:
#ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
return 1;
#else
return -1;
#endif
case _SC_THREAD_PRIO_INHERIT:
#ifdef _POSIX_THREAD_PRIO_INHERIT
return 1;
#else
return -1;
#endif
case _SC_THREAD_PRIO_PROTECT:
#ifdef _POSIX_THREAD_PRIO_PROTECT
return 1;
#else
return -1;
#endif
case _SC_THREAD_PROCESS_SHARED:
#ifdef _POSIX_THREAD_PROCESS_SHARED
return 1;
#else
return -1;
#endif
case _SC_THREAD_SAFE_FUNCTIONS:
#ifdef _POSIX_THREAD_SAFE_FUNCTIONS
return 1;
#else
return -1;
#endif
case _SC_VERSION:
#ifdef _POSIX_VERSION
return _POSIX_VERSION;
#else
return -1;
#endif
default:
errno = EINVAL;
return -1;
}
return -1; /* can't get here */
}