[PATCHv4] librt: Add posix_spawn support

[Mike Frysinger]

On Saturday 03 March 2012 01:09:19 Ismael Luceno wrote:
> --- a/extra/Configs/Config.in
> +++ b/extra/Configs/Config.in
> 
> +config UCLIBC_POSIX_SPAWN
> +	bool "Enable posix_spawn functions"
> +	help
> +	  Enable this if you need posix_spawn functionality.
> +
> +	  If unsure, say N.

we've already got a UCLIBC_HAS_ADVANCED_REALTIME knob to control posix_spawn 
and friends

you should update the top-level Makefile.in and list spawn.h in the HEADERS_RM 
variable

> --- a/librt/Makefile.in
> +++ b/librt/Makefile.in
>
>  ifeq ($(UCLIBC_HAS_REALTIME),y)
>  ifeq ($(UCLIBC_HAS_THREADS_NATIVE),y)
>  librt_CSRC := $(filter-out mq_notify.c timer_create.c timer_delete.c	\
> -		timer_getoverr.c timer_gettime.c timer_settime.c,	\
> +		timer_getoverr.c timer_gettime.c timer_settime.c	\
> +		$(if $(UCLIBC_POSIX_SPAWN),,				\
> +			spawn.c						\
> +			spawn_faction_addclose.c			\
> +			spawn_faction_adddup2.c				\
> +			spawn_faction_addopen.c				\
> +			spawn_faction_init.c),				\
>  		$(notdir $(wildcard $(librt_DIR)/*.c)))
>  librt_SSRC := $(wildcard $(librt_DIR)/*.S)
>  librt_OBJ := $(patsubst %.c,$(librt_OUT)/%.o,$(librt_CSRC))

this will filter the sources for NPTL targets, but not non-NPTL targets.  i've 
rewritten this a bit in master, so you'll have to update it.  now you'll only 
need to tweak the librt_filter_SRC variable outside of the if logic.
-mike
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