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authorThomas Petazzoni <thomas.petazzoni@free-electrons.com>2010-12-13 16:27:48 (GMT)
committer Peter Korsgaard <jacmet@sunsite.dk>2010-12-13 21:26:52 (GMT)
commit5eae3c577cb70f1505d4fe2b8c2f40e1bd32cd65 (patch)
treeea27f942fcd35a9ce796a8a444084018b6fb8a2a
parentf56c5a76192adf9ba86053c97e200587b8803011 (diff)
downloadbuildroot-5eae3c577cb70f1505d4fe2b8c2f40e1bd32cd65.tar.gz
buildroot-5eae3c577cb70f1505d4fe2b8c2f40e1bd32cd65.tar.bz2
toolchain: expose thread options in the Crosstool-NG backend
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Acked-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
-rw-r--r--toolchain/toolchain-crosstool-ng/Config.in36
-rw-r--r--toolchain/toolchain-crosstool-ng/crosstool-ng.mk21
2 files changed, 57 insertions, 0 deletions
diff --git a/toolchain/toolchain-crosstool-ng/Config.in b/toolchain/toolchain-crosstool-ng/Config.in
index 82e223d..1a10416 100644
--- a/toolchain/toolchain-crosstool-ng/Config.in
+++ b/toolchain/toolchain-crosstool-ng/Config.in
@@ -106,4 +106,40 @@ config BR2_TOOLCHAIN_CTNG_CXX
C++ language and you want C++ libraries to be installed on
your target system.
+choice
+ prompt "Thread library implementation"
+ default BR2_TOOLCHAIN_CTNG_THREADS_PTHREADS_OLD \
+ if BR2_TOOLCHAIN_CTNG_uClibc
+ default BR2_TOOLCHAIN_CTNG_THREADS_NPTL \
+ if BR2_TOOLCHAIN_CTNG_eglibc || \
+ BR2_TOOLCHAIN_CTNG_glibc
+ help
+ Enable thread support and select thread implementation. With
+ glibc, thread support is mandatory but several
+ implementations are available. With uClibc, thread support
+ is optional, and when enabled, several implementations are
+ available. However, not all thread variants work with all
+ versions of uClibc for all architectures, the "linuxthreads
+ (stable/old)" may be a working fallback.
+
+ config BR2_TOOLCHAIN_CTNG_THREADS_NONE
+ bool "none"
+ depends on BR2_TOOLCHAIN_CTNG_uClibc
+
+ config BR2_TOOLCHAIN_CTNG_THREADS_PTHREADS
+ bool "linuxthreads"
+ select BR2_TOOLCHAIN_HAS_THREADS
+
+ config BR2_TOOLCHAIN_CTNG_THREADS_PTHREADS_OLD
+ bool "linuxthreads (stable/old)"
+ select BR2_TOOLCHAIN_HAS_THREADS
+ depends on BR2_TOOLCHAIN_CTNG_uClibc
+
+ config BR2_TOOLCHAIN_CTNG_THREADS_NPTL
+ bool "Native POSIX Threading (NPTL)"
+ select BR2_TOOLCHAIN_HAS_THREADS
+ depends on BR2_TOOLCHAIN_CTNG_eglibc || \
+ BR2_TOOLCHAIN_CTNG_glibc
+endchoice
+
endif # BR2_TOOLCHAIN_CTNG
diff --git a/toolchain/toolchain-crosstool-ng/crosstool-ng.mk b/toolchain/toolchain-crosstool-ng/crosstool-ng.mk
index 817a1f7..a38dd12 100644
--- a/toolchain/toolchain-crosstool-ng/crosstool-ng.mk
+++ b/toolchain/toolchain-crosstool-ng/crosstool-ng.mk
@@ -213,6 +213,27 @@ else
CTNG_FIX_DOT_CONFIG_SED += s:^(CT_CC_LANG_CXX)=.*:\# \1 is not set:;
endif
+# Thread implementation selection
+CTNG_FIX_DOT_CONFIG_SED += s:^(|\# )(CT_THREADS_NONE).*:\# \2 is not set:;
+CTNG_FIX_DOT_CONFIG_SED += s:^(|\# )(CT_THREADS_LINUXTHREADS).*:\# \2 is not set:;
+CTNG_FIX_DOT_CONFIG_SED += s:^(|\# )(CT_THREADS_NPTL).*:\# \2 is not set:;
+ifneq ($(call qstrip,$(BR2_TOOLCHAIN_CTNG_THREADS_PTHREADS))$(call qstrip,$(BR2_TOOLCHAIN_CTNG_THREADS_PTHREADS_OLD)),)
+CTNG_FIX_DOT_CONFIG_SED += s:^(|\# )(CT_THREADS_LINUXTHREADS).*:\2=y:;
+ ifneq ($(call qstrip,$(BR2_TOOLCHAIN_CTNG_uClibc)),)
+ ifneq ($(call qstrip,$(BR2_TOOLCHAIN_CTNG_THREADS_PTHREADS_OLD)),)
+CTNG_FIX_DOT_CONFIG_SED += s:^(|\# )(CT_LIBC_UCLIBC_LNXTHRD_NEW).*:\# \2 is not set:;
+CTNG_FIX_DOT_CONFIG_SED += s:^(|\# )(CT_LIBC_UCLIBC_LNXTHRD_OLD).*:\2=y:;
+ else
+CTNG_FIX_DOT_CONFIG_SED += s:^(|\# )(CT_LIBC_UCLIBC_LNXTHRD_OLD).*:\# \2 is not set:;
+CTNG_FIX_DOT_CONFIG_SED += s:^(|\# )(CT_LIBC_UCLIBC_LNXTHRD_NEW).*:\2=y:;
+ endif
+ endif
+else ifneq ($(call qstrip,$(BR2_TOOLCHAIN_CTNG_THREADS_NPTL)),)
+CTNG_FIX_DOT_CONFIG_SED += s:^(|\# )(CT_THREADS_NPTL).*:\2=y:;
+else ifneq ($(call qstrip,$(BR2_TOOLCHAIN_CTNG_THREADS_NONE)),)
+CTNG_FIX_DOT_CONFIG_SED += s:^(|\# )(CT_THREADS_NONE).*:\2=y:;
+endif
+
#--------------
# And the specials for paths
CTNG_FIX_DOT_CONFIG_PATHS_SED += s:^(CT_PREFIX_DIR)=.*:\1="$(TOOLCHAIN_DIR)":;