gitolite/buildrootschalter
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toolchain: introduce a toolchain knob for NPTL

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As our architecture support expands to a number of architectures that
do not implement NPTL threading, and the number of packages that
depend on NPTL specific features, it has become necessary to be able
to know whether the toolchain has NPTL support or not.

This commit adds a new BR2_TOOLCHAIN_HAS_THREADS_NPTL hidden Config.in
option that allows packages to know whether NPTL is available or not.

This hidden option is:

 * Automatically enabled when glibc/eglibc or musl toolchains are
   used, either internal or external.

 * Automatically enabled when an internal uClibc toolchain with NPTL
   support is configured. It is left disabled otherwise for internal
   uClibc toolchains.

 * Configured according to a visible Config.in option for custom
   external uClibc toolchains.

[Peter: factor _EXTERNAL_HAS_THREADS in single if as suggested by Arnout]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Thomas Petazzoni 2014-02-18 22:08:59 +01:00 committed by Peter Korsgaard
parent eda3d0e1d0
commit c64f948d2c
5 changed files with 21 additions and 1 deletions
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1
package/uclibc/Config.in
View File

@ -124,6 +124,7 @@ choice
config BR2_PTHREADS_NATIVE
bool "Native POSIX Threading (NPTL)"
select BR2_TOOLCHAIN_HAS_THREADS
select BR2_TOOLCHAIN_HAS_THREADS_NPTL
depends on !BR2_arc
depends on !BR2_avr32
depends on !BR2_bfin

2
toolchain/Config.in
View File

@ -9,6 +9,7 @@ config BR2_TOOLCHAIN_USES_GLIBC
select BR2_ENABLE_LOCALE
select BR2_TOOLCHAIN_HAS_THREADS
select BR2_TOOLCHAIN_HAS_THREADS_DEBUG
select BR2_TOOLCHAIN_HAS_THREADS_NPTL
select BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS
select BR2_TOOLCHAIN_HAS_SSP
@ -23,6 +24,7 @@ config BR2_TOOLCHAIN_USES_MUSL
select BR2_ENABLE_LOCALE
select BR2_TOOLCHAIN_HAS_THREADS
select BR2_TOOLCHAIN_HAS_THREADS_DEBUG
select BR2_TOOLCHAIN_HAS_THREADS_NPTL
choice
prompt "Toolchain type"

1
toolchain/helpers.mk
View File

@ -268,6 +268,7 @@ check_uclibc = \
$(call check_uclibc_feature,__UCLIBC_HAS_WCHAR__,BR2_USE_WCHAR,$${UCLIBC_CONFIG_FILE},Wide char support) ;\
$(call check_uclibc_feature,__UCLIBC_HAS_THREADS__,BR2_TOOLCHAIN_HAS_THREADS,$${UCLIBC_CONFIG_FILE},Thread support) ;\
$(call check_uclibc_feature,__PTHREADS_DEBUG_SUPPORT__,BR2_TOOLCHAIN_HAS_THREADS_DEBUG,$${UCLIBC_CONFIG_FILE},Thread debugging support) ;\
$(call check_uclibc_feature,__UCLIBC_HAS_THREADS_NATIVE__,BR2_TOOLCHAIN_HAS_THREADS_NPTL,$${UCLIBC_CONFIG_FILE},NPTL thread support) ;\
$(call check_uclibc_feature,__UCLIBC_HAS_SSP__,BR2_TOOLCHAIN_HAS_SSP,$${UCLIBC_CONFIG_FILE},Stack Smashing Protection support)
#

3
toolchain/toolchain-common.in
View File

@ -29,6 +29,9 @@ config BR2_TOOLCHAIN_HAS_THREADS
config BR2_TOOLCHAIN_HAS_THREADS_DEBUG
bool
config BR2_TOOLCHAIN_HAS_THREADS_NPTL
bool
config BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS
bool

15
toolchain/toolchain-external/Config.in
View File

@ -996,9 +996,10 @@ config BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS
support. If you don't know, leave the default value,
Buildroot will tell you if it's correct or not.
if BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS
config BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_DEBUG
bool "Toolchain has threads debugging support?"
depends on BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS
select BR2_TOOLCHAIN_HAS_THREADS_DEBUG
default y
help
@ -1006,6 +1007,18 @@ config BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_DEBUG
debugging support. If you don't know, leave the default
value, Buildroot will tell you if it's correct or not.
config BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_NPTL
bool "Toolchain has NPTL threads support?"
select BR2_TOOLCHAIN_HAS_THREADS_NPTL
default y
help
Select this option if your external toolchain uses the NPTL
(Native Posix Thread Library) implementation of Posix
threads. If you don't know, leave the default value,
Buildroot will tell you if it's correct or not.
endif # BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS
config BR2_TOOLCHAIN_EXTERNAL_HAS_SSP
bool "Toolchain has SSP support?"
select BR2_TOOLCHAIN_HAS_SSP