rework thread handling

In the next uClibc-ng release Linuxthreads support will be
again allowed for architectures supporting NPTL.
To keep Linuxthreads supported and shiny we need architectures
and emulators supported where native debugging is simple.
Last time stucked with microblaze as only system where
I could run some gdb somehow :(

2 files changed, 393 insertions, 174 deletions

diff --git a/target/config/Config.in.cpu b/target/config/Config.in.cpu
index f42777a9b..6b63b7af0 100644
--- a/target/config/Config.in.cpu
+++ b/target/config/Config.in.cpu
@@ -8,14 +8,16 @@ prompt "CPU" if !ADK_TARGET_CHOOSE_ARCH
 config ADK_TARGET_CPU_AARCH64_CORTEX_A53
         bool "cortex-a53"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_AARCH64
 
 config ADK_TARGET_CPU_AARCH64_CORTEX_A57
         bool "cortex-a57"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_AARCH64
 
@@ -23,56 +25,69 @@ config ADK_TARGET_CPU_AARCH64_CORTEX_A57
 config ADK_TARGET_CPU_ALPHA
 	bool "alpha"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITHOUT_THREADS if ADK_TARGET_LIB_UCLIBC_NG
-	select ADK_TARGET_WITH_NPTL if ADK_TARGET_LIB_GLIBC
-	select ADK_TARGET_WITH_MMU
+	select ADK_TARGET_SUPPORTS_THREADS if ADK_TARGET_LIB_GLIBC
+	select ADK_TARGET_SUPPORTS_NPTL if ADK_TARGET_LIB_GLIBC
 	select ADK_TARGET_USE_STATIC_LIBS if ADK_TARGET_LIB_UCLIBC_NG
+	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_ALPHA
 
 # arc
 config ADK_TARGET_CPU_ARC_ARC700
 	bool "ARC700 (ARCv1)"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_ARC
 
 config ADK_TARGET_CPU_ARC_ARC_HS
 	bool "ARC HS (ARCv2)"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_ARC
 
 # arm
 config ADK_TARGET_CPU_ARM_ARM1176JZF_S
         bool "arm1176jzf-s"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_FPU_VFP
 	depends on ADK_TARGET_ARCH_ARM
 
 config ADK_TARGET_CPU_ARM_ARM926EJ_S
         bool "arm926ej-s"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_ARM
 
 config ADK_TARGET_CPU_ARM_ARM926EJ_S_NOMMU
 	bool "arm926ej-s"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	select ADK_TARGET_UCLINUX
 	depends on ADK_TARGET_ARCH_ARM
 
 config ADK_TARGET_CPU_ARM_ARM11MPCORE
 	bool "arm11mpcore"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_FPU_VFPV3
 	depends on ADK_TARGET_ARCH_ARM
 
 config ADK_TARGET_CPU_ARM_CORTEX_A5
         bool "cortex-a5"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_FPU_VFPV3
 	select ADK_TARGET_CPU_WITH_NEON
@@ -81,7 +96,9 @@ config ADK_TARGET_CPU_ARM_CORTEX_A5
 
 config ADK_TARGET_CPU_ARM_CORTEX_A7
         bool "cortex-a7"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_FPU_VFPV4
 	select ADK_TARGET_CPU_WITH_NEON
@@ -90,7 +107,9 @@ config ADK_TARGET_CPU_ARM_CORTEX_A7
 
 config ADK_TARGET_CPU_ARM_CORTEX_A8
         bool "cortex-a8"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_FPU_VFPV3
 	select ADK_TARGET_CPU_WITH_NEON
@@ -99,7 +118,9 @@ config ADK_TARGET_CPU_ARM_CORTEX_A8
 
 config ADK_TARGET_CPU_ARM_CORTEX_A9
         bool "cortex-a9"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_FPU_VFPV3
 	select ADK_TARGET_CPU_WITH_NEON
@@ -108,7 +129,9 @@ config ADK_TARGET_CPU_ARM_CORTEX_A9
 
 config ADK_TARGET_CPU_ARM_CORTEX_A15
         bool "cortex-a15"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_FPU_VFPV4
 	select ADK_TARGET_CPU_WITH_NEON
@@ -116,7 +139,9 @@ config ADK_TARGET_CPU_ARM_CORTEX_A15
 
 config ADK_TARGET_CPU_ARM_CORTEX_A17
         bool "cortex-a17"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_FPU_VFPV4
 	select ADK_TARGET_CPU_WITH_NEON
@@ -124,7 +149,9 @@ config ADK_TARGET_CPU_ARM_CORTEX_A17
 
 config ADK_TARGET_CPU_ARM_CORTEX_A53
         bool "cortex-a53"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_FPU_VFPV4
 	select ADK_TARGET_CPU_WITH_NEON
@@ -132,7 +159,9 @@ config ADK_TARGET_CPU_ARM_CORTEX_A53
 
 config ADK_TARGET_CPU_ARM_CORTEX_A57
         bool "cortex-a57"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_FPU_VFPV4
 	select ADK_TARGET_CPU_WITH_NEON
@@ -140,219 +169,255 @@ config ADK_TARGET_CPU_ARM_CORTEX_A57
 
 config ADK_TARGET_CPU_ARM_CORTEX_M4
 	bool "cortex-m4"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_UCLINUX
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
 	select ADK_TARGET_CPU_WITH_THUMB2
 	depends on ADK_TARGET_ARCH_ARM
 
 config ADK_TARGET_CPU_ARM_CORTEX_M3
 	bool "cortex-m3"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_UCLINUX
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
 	select ADK_TARGET_CPU_WITH_THUMB2
 	depends on ADK_TARGET_ARCH_ARM
 
 config ADK_TARGET_CPU_ARM_XSCALE
         bool "xscale"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_ARM
 
 # avr32
 config ADK_TARGET_CPU_AVR32
 	bool "avr32"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_AVR32
 
 # bfin
 config ADK_TARGET_CPU_BFIN_BF512
         bool "bf512"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF514
         bool "bf514"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF516
         bool "bf516"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF518
         bool "bf518"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF522
         bool "bf522"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF523
         bool "bf523"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF524
         bool "bf524"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF525
         bool "bf525"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF526
         bool "bf526"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF527
         bool "bf527"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF531
         bool "bf531"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF532
         bool "bf532"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF533
         bool "bf533"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF534
         bool "bf534"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF536
         bool "bf536"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF537
         bool "bf537"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF538
         bool "bf538"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF539
         bool "bf539"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF542
         bool "bf542"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF544
         bool "bf544"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF547
         bool "bf547"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF548
         bool "bf548"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF549
         bool "bf549"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF542M
         bool "bf542m"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF544M
         bool "bf544m"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF547M
         bool "bf547m"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF548M
         bool "bf548m"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF549M
         bool "bf549m"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF561
         bool "bf561"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 config ADK_TARGET_CPU_BFIN_BF592
         bool "bf592"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_BFIN
 
 # c6x
 config ADK_TARGET_CPU_C6X
 	bool "c6x"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_UCLINUX
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_C6X
 
@@ -364,13 +429,15 @@ config ADK_TARGET_CPU_CR16
 # cris
 config ADK_TARGET_CPU_CRIS_CRISV10
 	bool "crisv10"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_CRIS
 
 config ADK_TARGET_CPU_CRIS_CRISV32
 	bool "crisv32"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_CRIS
 
@@ -384,21 +451,20 @@ config ADK_TARGET_CPU_EPIPHANY
 config ADK_TARGET_CPU_FRV
 	bool "fr-v"
 	select ADK_TARGET_WITHOUT_MMU
-	select ADK_TARGET_WITHOUT_THREADS
 	depends on ADK_TARGET_ARCH_FRV
 
 # h8/300
 config ADK_TARGET_CPU_H8300
 	bool "h8/300"
 	select ADK_TARGET_WITHOUT_MMU
-	select ADK_TARGET_WITHOUT_THREADS
 	depends on ADK_TARGET_ARCH_H8300
 
 # hppa
 config ADK_TARGET_CPU_PARISC
 	bool "parisc"
-	select ADK_TARGET_WITH_LT if ADK_TARGET_LIB_UCLIBC_NG
-	select ADK_TARGET_WITH_NPTL if ADK_TARGET_LIB_GLIBC
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT if ADK_TARGET_LIB_UCLIBC_NG
+	select ADK_TARGET_SUPPORTS_NPTL if ADK_TARGET_LIB_GLIBC
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_USE_STATIC_LIBS if ADK_TARGET_LIB_UCLIBC_NG
 	depends on ADK_TARGET_ARCH_HPPA
@@ -406,8 +472,9 @@ config ADK_TARGET_CPU_PARISC
 # ia64
 config ADK_TARGET_CPU_IA64
 	bool "ia64"
-	select ADK_TARGET_WITH_LT if ADK_TARGET_LIB_UCLIBC_NG
-	select ADK_TARGET_WITH_NPTL if ADK_TARGET_LIB_GLIBC
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT if ADK_TARGET_LIB_UCLIBC_NG
+	select ADK_TARGET_SUPPORTS_NPTL if ADK_TARGET_LIB_GLIBC
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_USE_STATIC_LIBS if ADK_TARGET_LIB_UCLIBC_NG
 	depends on ADK_TARGET_ARCH_IA64
@@ -417,198 +484,221 @@ config ADK_TARGET_CPU_LM32
 	bool "lm32"
 	select ADK_TARGET_UCLINUX
 	select ADK_TARGET_WITHOUT_MMU
-	select ADK_TARGET_WITHOUT_THREADS
 	depends on ADK_TARGET_ARCH_LM32
 
 # coldfire
 config ADK_TARGET_CPU_CF_51
 	bool "coldfire 51"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_CPU_CF
 	select ADK_TARGET_UCLINUX
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_CF_5206
 	bool "coldfire 5206"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_CPU_CF
 	select ADK_TARGET_UCLINUX
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_CF_5206E
 	bool "coldfire 5206e"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_CPU_CF
 	select ADK_TARGET_UCLINUX
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_CF_5208
 	bool "coldfire 5208"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_CPU_CF
 	select ADK_TARGET_UCLINUX
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_CF_5211A
 	bool "coldfire 5211a"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_CPU_CF
 	select ADK_TARGET_UCLINUX
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_CF_5213
 	bool "coldfire 5213"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_CPU_CF
 	select ADK_TARGET_UCLINUX
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_CF_5216
 	bool "coldfire 5216"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_CPU_CF
 	select ADK_TARGET_UCLINUX
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_CF_52235
 	bool "coldfire 52235"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_CPU_CF
 	select ADK_TARGET_UCLINUX
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_CF_5225
 	bool "coldfire 5225"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_CPU_CF
 	select ADK_TARGET_UCLINUX
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_CF_52259
 	bool "coldfire 52259"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_CPU_CF
 	select ADK_TARGET_UCLINUX
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_CF_5235
 	bool "coldfire 5235"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_CPU_CF
 	select ADK_TARGET_UCLINUX
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_CF_5249
 	bool "coldfire 5249"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_CPU_CF
 	select ADK_TARGET_UCLINUX
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_CF_5250
 	bool "coldfire 5250"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_CPU_CF
 	select ADK_TARGET_UCLINUX
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_CF_5271
 	bool "coldfire 5271"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_CPU_CF
 	select ADK_TARGET_UCLINUX
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_CF_5272
 	bool "coldfire 5272"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_CPU_CF
 	select ADK_TARGET_UCLINUX
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_CF_5275
 	bool "coldfire 5275"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_CPU_CF
 	select ADK_TARGET_UCLINUX
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_CF_5282
 	bool "coldfire 5282"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_CPU_CF
 	select ADK_TARGET_UCLINUX
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_CF_53017
 	bool "coldfire 53017"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_CPU_CF
 	select ADK_TARGET_UCLINUX
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_CF_5307
 	bool "coldfire 5307"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_CPU_CF
 	select ADK_TARGET_UCLINUX
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_CF_5328
 	bool "coldfire 5328"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_CPU_CF
 	select ADK_TARGET_UCLINUX
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_CF_5329
 	bool "coldfire 5329"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_CPU_CF
 	select ADK_TARGET_UCLINUX
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_CF_5373
 	bool "coldfire 5373"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_CPU_CF
 	select ADK_TARGET_UCLINUX
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_CF_5407
 	bool "coldfire 5407"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_CPU_CF
 	select ADK_TARGET_UCLINUX
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_CF_5475
 	bool "coldfire 5475"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_CPU_CF
-	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_M68K
 
@@ -621,52 +711,61 @@ config ADK_TARGET_CPU_M32R
 # m68k
 config ADK_TARGET_CPU_M68K_68020
 	bool "68020"
-	select ADK_TARGET_WITH_LT if ADK_TARGET_LIB_UCLIBC_NG
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT if ADK_TARGET_LIB_UCLIBC_NG
+	select ADK_TARGET_SUPPORTS_NPTL if ADK_TARGET_LIB_GLIBC
 	select ADK_TARGET_WITH_MMU if !ADK_LINUX_UCLINUX
-	select ADK_TARGET_WITH_NPTL if ADK_TARGET_LIB_GLIBC
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_M68K_68030
 	bool "68030"
-	select ADK_TARGET_WITH_LT if ADK_TARGET_LIB_UCLIBC_NG
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT if ADK_TARGET_LIB_UCLIBC_NG
+	select ADK_TARGET_SUPPORTS_NPTL if ADK_TARGET_LIB_GLIBC
 	select ADK_TARGET_WITH_MMU if !ADK_LINUX_UCLINUX
-	select ADK_TARGET_WITH_NPTL if ADK_TARGET_LIB_GLIBC
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_M68K_68040
 	bool "68040"
-	select ADK_TARGET_WITH_LT if ADK_TARGET_LIB_UCLIBC_NG
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT if ADK_TARGET_LIB_UCLIBC_NG
+	select ADK_TARGET_SUPPORTS_NPTL if ADK_TARGET_LIB_GLIBC
 	select ADK_TARGET_WITH_MMU if !ADK_LINUX_UCLINUX
-	select ADK_TARGET_WITH_NPTL if ADK_TARGET_LIB_GLIBC
 	select ADK_TARGET_CPU_WITH_FPU
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_M68K_68060
 	bool "68060"
-	select ADK_TARGET_WITH_LT if ADK_TARGET_LIB_UCLIBC_NG
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT if ADK_TARGET_LIB_UCLIBC_NG
+	select ADK_TARGET_SUPPORTS_NPTL if ADK_TARGET_LIB_GLIBC
 	select ADK_TARGET_WITH_MMU if !ADK_LINUX_UCLINUX
-	select ADK_TARGET_WITH_NPTL if ADK_TARGET_LIB_GLIBC
 	depends on ADK_TARGET_ARCH_M68K
 
 # metag
 config ADK_TARGET_CPU_METAG
 	bool "metag"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
+	select ADK_TARGET_SUPPORTS_NPTL
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_METAG
 
 # microblaze
 config ADK_TARGET_CPU_MICROBLAZE
 	bool "microblaze"
-	select ADK_TARGET_WITH_LT if ADK_TARGET_LIB_UCLIBC_NG
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT if ADK_TARGET_LIB_UCLIBC_NG
+	select ADK_TARGET_SUPPORTS_NPTL if ADK_TARGET_LIB_GLIBC || ADK_TARGET_LIB_MUSL
 	select ADK_TARGET_WITH_MMU if !ADK_LINUX_UCLINUX
-	select ADK_TARGET_WITH_NPTL if ADK_TARGET_LIB_GLIBC || ADK_TARGET_LIB_MUSL
 	depends on ADK_TARGET_ARCH_MICROBLAZE
 
 # mips32
 config ADK_TARGET_CPU_MIPS_MIPS32
 	bool "mips32"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
+	select ADK_TARGET_SUPPORTS_NPTL
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_FPU
 	select ADK_KERNEL_CPU_MIPS32_R1
@@ -675,7 +774,9 @@ config ADK_TARGET_CPU_MIPS_MIPS32
 
 config ADK_TARGET_CPU_MIPS_MIPS32R2
 	bool "mips32r2"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
+	select ADK_TARGET_SUPPORTS_NPTL
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_FPU
 	select ADK_KERNEL_CPU_MIPS32_R2
@@ -684,7 +785,9 @@ config ADK_TARGET_CPU_MIPS_MIPS32R2
 
 config ADK_TARGET_CPU_MIPS_MIPS32R6
 	bool "mips32r6"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
+	select ADK_TARGET_SUPPORTS_NPTL
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_FPU
 	select ADK_KERNEL_CPU_MIPS32_R6
@@ -695,7 +798,9 @@ config ADK_TARGET_CPU_MIPS_MIPS32R6
 config ADK_TARGET_CPU_MIPS64_MIPS64
 	bool "mips64"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
+	select ADK_TARGET_SUPPORTS_NPTL
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_ARCH_MIPS_WITH_NAN_LEGACY
 	depends on ADK_TARGET_ARCH_MIPS64
@@ -703,7 +808,9 @@ config ADK_TARGET_CPU_MIPS64_MIPS64
 config ADK_TARGET_CPU_MIPS64_MIPS64R2
 	bool "mips64r2"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
+	select ADK_TARGET_SUPPORTS_NPTL
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_ARCH_MIPS_WITH_NAN_LEGACY
 	depends on ADK_TARGET_ARCH_MIPS64
@@ -711,7 +818,9 @@ config ADK_TARGET_CPU_MIPS64_MIPS64R2
 config ADK_TARGET_CPU_MIPS64_MIPS64R6
 	bool "mips64r6"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
+	select ADK_TARGET_SUPPORTS_NPTL
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_ARCH_MIPS_WITH_NAN_2008
 	depends on ADK_TARGET_ARCH_MIPS64
@@ -719,7 +828,9 @@ config ADK_TARGET_CPU_MIPS64_MIPS64R6
 config ADK_TARGET_CPU_MIPS64_LOONGSON2F
 	bool "loongson2f"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
+	select ADK_TARGET_SUPPORTS_NPTL
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_MIPS64
 
@@ -742,24 +853,28 @@ config ADK_TARGET_CPU_MSP430
 # nds32
 config ADK_TARGET_CPU_NDS32
 	bool "nds32"
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT if ADK_TARGET_LIB_UCLIBC_NG
+	select ADK_TARGET_SUPPORTS_NPTL if ADK_TARGET_LIB_GLIBC
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_NDS32
 
 # nios2
 config ADK_TARGET_CPU_NIOS2
 	bool "nios2"
-	select ADK_TARGET_WITH_LT if ADK_TARGET_LIB_UCLIBC_NG
-	select ADK_TARGET_WITH_NPTL if ADK_TARGET_LIB_GLIBC
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT if ADK_TARGET_LIB_UCLIBC_NG
+	select ADK_TARGET_SUPPORTS_NPTL if ADK_TARGET_LIB_GLIBC
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_NIOS2
 
 # openrisc
 config ADK_TARGET_CPU_OR1K
 	bool "or1k"
-	select ADK_TARGET_WITH_LT if ADK_TARGET_LIB_UCLIBC_NG
-	select ADK_TARGET_WITH_NPTL if ADK_TARGET_LIB_MUSL
-	select ADK_TARGET_WITH_NPTL if ADK_TARGET_LIB_GLIBC
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT if ADK_TARGET_LIB_UCLIBC_NG
+	select ADK_TARGET_SUPPORTS_NPTL if ADK_TARGET_LIB_MUSL
+	select ADK_TARGET_SUPPORTS_NPTL if ADK_TARGET_LIB_GLIBC
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_OR1K
 
@@ -767,13 +882,17 @@ config ADK_TARGET_CPU_OR1K
 # ppc32
 config ADK_TARGET_CPU_PPC
 	bool "ppc"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
+	select ADK_TARGET_SUPPORTS_NPTL
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_PPC
 
 config ADK_TARGET_CPU_PPC_440
 	bool "ppc400"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
+	select ADK_TARGET_SUPPORTS_NPTL
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_PPC
 
@@ -781,28 +900,32 @@ config ADK_TARGET_CPU_PPC_440
 config ADK_TARGET_CPU_PPC64_POWERPC64
 	bool "powerpc64"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_PPC64
 
 config ADK_TARGET_CPU_PPC64_POWER6
 	bool "power6"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_PPC64
 
 config ADK_TARGET_CPU_PPC64_POWER7
 	bool "power7"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_PPC64
 
 config ADK_TARGET_CPU_PPC64_POWER8
 	bool "power8"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_PPC64
 
@@ -810,57 +933,72 @@ config ADK_TARGET_CPU_PPC64_POWER8
 config ADK_TARGET_CPU_S390_Z900
 	bool "z900"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_S390
 
 # sh
 config ADK_TARGET_CPU_SH_SH2
 	bool "sh2"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
-	select ADK_TARGET_WITH_LT
 	depends on ADK_TARGET_ARCH_SH
 
 config ADK_TARGET_CPU_SH_SH2A
 	bool "sh2a"
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
-	select ADK_TARGET_WITH_LT
 	depends on ADK_TARGET_ARCH_SH
 
 config ADK_TARGET_CPU_SH_SH3
 	bool "sh3"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_SH
 
 config ADK_TARGET_CPU_SH_SH4
 	bool "sh4"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_SH
 
 config ADK_TARGET_CPU_SH_SH4A
 	bool "sh4a"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_SH
 
 # sparc
 config ADK_TARGET_CPU_SPARC_V8
 	bool "v8"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_SPARC
 
 config ADK_TARGET_CPU_SPARC_V7
 	bool "v7"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_SPARC
 
 config ADK_TARGET_CPU_SPARC_LEON
 	bool "leon"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_SPARC
 
@@ -868,20 +1006,23 @@ config ADK_TARGET_CPU_SPARC_LEON
 config ADK_TARGET_CPU_SPARC64_V9
 	bool "v9"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_SPARC64
 
 # tile
 config ADK_TARGET_CPU_TILE_TILEGX
 	bool "tilegx"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_TILE
 
 config ADK_TARGET_CPU_TILE_TILEPRO
 	bool "tilepro"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_TILE
 
@@ -889,43 +1030,54 @@ config ADK_TARGET_CPU_TILE_TILEPRO
 config ADK_TARGET_CPU_V850
 	bool "v850"
 	select ADK_TARGET_WITHOUT_MMU
-	select ADK_TARGET_WITHOUT_THREADS
 	depends on ADK_TARGET_ARCH_V850
 
 # x86
 config ADK_TARGET_CPU_X86_I486
 	bool "i486"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_X86
 
 config ADK_TARGET_CPU_X86_I586
 	bool "i586"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_X86
 
 config ADK_TARGET_CPU_X86_I686
 	bool "i686"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_X86
 
 config ADK_TARGET_CPU_X86_GEODE
 	bool "geode"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_X86
 
 config ADK_TARGET_CPU_X86_ATOM
 	bool "atom"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_X86
 
 config ADK_TARGET_CPU_X86_PENTIUM_M
 	bool "pentium-m"
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_X86
 
@@ -933,14 +1085,18 @@ config ADK_TARGET_CPU_X86_PENTIUM_M
 config ADK_TARGET_CPU_X86_64
 	bool "Generic x86_64"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	depends on ADK_TARGET_ARCH_X86_64
 
 config ADK_TARGET_CPU_X86_64_ATHLON_FX
 	bool "Athlon 64 FX"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_VT
 	select ADK_TARGET_CPU_WITH_MMX
@@ -953,7 +1109,9 @@ config ADK_TARGET_CPU_X86_64_ATHLON_FX
 config ADK_TARGET_CPU_X86_64_ATHLON_64
 	bool "Athlon 64"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_VT
 	select ADK_TARGET_CPU_WITH_MMX
@@ -966,7 +1124,9 @@ config ADK_TARGET_CPU_X86_64_ATHLON_64
 config ADK_TARGET_CPU_X86_64_ATHLON_64_SSE3
 	bool "Athlon 64 with SSE3"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_VT
 	select ADK_TARGET_CPU_WITH_MMX
@@ -980,7 +1140,9 @@ config ADK_TARGET_CPU_X86_64_ATHLON_64_SSE3
 config ADK_TARGET_CPU_X86_64_BARCELONA
 	bool "Barcelona"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_VT
 	select ADK_TARGET_CPU_WITH_MMX
@@ -995,7 +1157,9 @@ config ADK_TARGET_CPU_X86_64_BARCELONA
 config ADK_TARGET_CPU_X86_64_BDVER1
 	bool "bdver1"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_VT
 	select ADK_TARGET_CPU_WITH_MMX
@@ -1011,7 +1175,9 @@ config ADK_TARGET_CPU_X86_64_BDVER1
 config ADK_TARGET_CPU_X86_64_BDVER2
 	bool "bdver2"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_VT
 	select ADK_TARGET_CPU_WITH_MMX
@@ -1027,7 +1193,9 @@ config ADK_TARGET_CPU_X86_64_BDVER2
 config ADK_TARGET_CPU_X86_64_BDVER3
 	bool "bdver3"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_VT
 	select ADK_TARGET_CPU_WITH_MMX
@@ -1043,7 +1211,9 @@ config ADK_TARGET_CPU_X86_64_BDVER3
 config ADK_TARGET_CPU_X86_64_BDVER4
 	bool "bdver4"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_VT
 	select ADK_TARGET_CPU_WITH_MMX
@@ -1059,7 +1229,9 @@ config ADK_TARGET_CPU_X86_64_BDVER4
 config ADK_TARGET_CPU_X86_64_BONNELL
 	bool "Bonnell"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_MMX
 	select ADK_TARGET_CPU_WITH_SSE
@@ -1071,7 +1243,9 @@ config ADK_TARGET_CPU_X86_64_BONNELL
 config ADK_TARGET_CPU_X86_64_BROADWELL
 	bool "Broadwell"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_VT
 	select ADK_TARGET_CPU_WITH_MMX
@@ -1084,7 +1258,9 @@ config ADK_TARGET_CPU_X86_64_BROADWELL
 config ADK_TARGET_CPU_X86_64_BTVER1
 	bool "btver1"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_VT
 	select ADK_TARGET_CPU_WITH_MMX
@@ -1098,7 +1274,9 @@ config ADK_TARGET_CPU_X86_64_BTVER1
 config ADK_TARGET_CPU_X86_64_BTVER2
 	bool "btver2"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_VT
 	select ADK_TARGET_CPU_WITH_MMX
@@ -1114,7 +1292,9 @@ config ADK_TARGET_CPU_X86_64_BTVER2
 config ADK_TARGET_CPU_X86_64_CORE2
 	bool "Core 2"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_VT
 	select ADK_TARGET_CPU_WITH_MMX
@@ -1127,7 +1307,9 @@ config ADK_TARGET_CPU_X86_64_CORE2
 config ADK_TARGET_CPU_X86_64_HASWELL
 	bool "Haswell"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_VT
 	select ADK_TARGET_CPU_WITH_MMX
@@ -1142,7 +1324,9 @@ config ADK_TARGET_CPU_X86_64_HASWELL
 config ADK_TARGET_CPU_X86_64_IVYBRIDGE
 	bool "Ivybridge"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_VT
 	select ADK_TARGET_CPU_WITH_MMX
@@ -1157,7 +1341,9 @@ config ADK_TARGET_CPU_X86_64_IVYBRIDGE
 config ADK_TARGET_CPU_X86_64_K8
 	bool "K8"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_MMX
 	select ADK_TARGET_CPU_WITH_SSE
@@ -1169,7 +1355,9 @@ config ADK_TARGET_CPU_X86_64_K8
 config ADK_TARGET_CPU_X86_64_K8_SSE3
 	bool "K8 with SSE3"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_VT
 	select ADK_TARGET_CPU_WITH_MMX
@@ -1183,7 +1371,9 @@ config ADK_TARGET_CPU_X86_64_K8_SSE3
 config ADK_TARGET_CPU_X86_64_KNL
 	bool "knl"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_MMX
 	select ADK_TARGET_CPU_WITH_SSE
@@ -1197,7 +1387,9 @@ config ADK_TARGET_CPU_X86_64_KNL
 config ADK_TARGET_CPU_X86_64_NEHALEM
 	bool "Nehalem"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_VT
 	select ADK_TARGET_CPU_WITH_MMX
@@ -1212,7 +1404,9 @@ config ADK_TARGET_CPU_X86_64_NEHALEM
 config ADK_TARGET_CPU_X86_64_NOCONA
 	bool "Nocona"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_MMX
 	select ADK_TARGET_CPU_WITH_SSE
@@ -1223,7 +1417,9 @@ config ADK_TARGET_CPU_X86_64_NOCONA
 config ADK_TARGET_CPU_X86_64_OPTERON
 	bool "Opteron"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_MMX
 	select ADK_TARGET_CPU_WITH_SSE
@@ -1235,7 +1431,9 @@ config ADK_TARGET_CPU_X86_64_OPTERON
 config ADK_TARGET_CPU_X86_64_OPTERON_SSE3
 	bool "Opteron with SSE3"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_VT
 	select ADK_TARGET_CPU_WITH_MMX
@@ -1249,7 +1447,9 @@ config ADK_TARGET_CPU_X86_64_OPTERON_SSE3
 config ADK_TARGET_CPU_X86_64_SANDYBRIDGE
 	bool "Sandybridge"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_VT
 	select ADK_TARGET_CPU_WITH_MMX
@@ -1264,7 +1464,9 @@ config ADK_TARGET_CPU_X86_64_SANDYBRIDGE
 config ADK_TARGET_CPU_X86_64_SILVERMONT
 	bool "Silvermont"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_VT
 	select ADK_TARGET_CPU_WITH_MMX
@@ -1279,7 +1481,9 @@ config ADK_TARGET_CPU_X86_64_SILVERMONT
 config ADK_TARGET_CPU_X86_64_WESTMERE
 	bool "Westmere"
 	select ADK_LINUX_64
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_TARGET_CPU_WITH_VT
 	select ADK_TARGET_CPU_WITH_MMX
@@ -1295,7 +1499,9 @@ config ADK_TARGET_CPU_X86_64_WESTMERE
 config ADK_TARGET_CPU_XTENSA_DC233C
 	bool "dc233c"
 	depends on ADK_TARGET_LITTLE_ENDIAN
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_KERNEL_XTENSA_VARIANT_DC233C
 	select ADK_TARGET_KERNEL_ZIMAGE
@@ -1305,7 +1511,9 @@ config ADK_TARGET_CPU_XTENSA_DC233C
 config ADK_TARGET_CPU_XTENSA_DC232B
 	bool "dc232b"
 	depends on ADK_TARGET_LITTLE_ENDIAN
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_KERNEL_XTENSA_VARIANT_DC232B
 	select ADK_TARGET_KERNEL_ZIMAGE
@@ -1314,7 +1522,8 @@ config ADK_TARGET_CPU_XTENSA_DC232B
 config ADK_TARGET_CPU_XTENSA_DE212
 	bool "de212"
 	depends on ADK_TARGET_LITTLE_ENDIAN
-	select ADK_TARGET_WITH_LT
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITHOUT_MMU
 	select ADK_TARGET_UCLINUX
 	select ADK_KERNEL_XTENSA_VARIANT_CUSTOM
@@ -1324,7 +1533,9 @@ config ADK_TARGET_CPU_XTENSA_DE212
 config ADK_TARGET_CPU_XTENSA_KC705_BE
 	bool "kc705_be"
 	depends on ADK_TARGET_BIG_ENDIAN
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_KERNEL_XTENSA_VARIANT_DC233C
 	select ADK_TARGET_KERNEL_ZIMAGE
@@ -1333,7 +1544,9 @@ config ADK_TARGET_CPU_XTENSA_KC705_BE
 config ADK_TARGET_CPU_XTENSA_FSF
 	bool "fsf"
 	depends on ADK_TARGET_BIG_ENDIAN
-	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_SUPPORTS_LT
 	select ADK_TARGET_WITH_MMU
 	select ADK_KERNEL_XTENSA_VARIANT_FSF
 	select ADK_TARGET_KERNEL_ZIMAGE
diff --git a/target/config/Config.in.libc b/target/config/Config.in.libc
index d36293bdd..3b4b12f26 100644
--- a/target/config/Config.in.libc
+++ b/target/config/Config.in.libc
@@ -194,23 +194,29 @@ endchoice
 
 choice
 prompt "Threading"
-depends on ADK_TARGET_LIB_UCLIBC_NG && !ADK_TARGET_WITHOUT_THREADS
+depends on ADK_TARGET_SUPPORTS_THREADS
 
-config ADK_TARGET_LIB_WITH_THREADS
-	bool "enable threads"
+config ADK_TARGET_WITH_NPTL
+	bool "enable NPTL"
+	depends on ADK_TARGET_SUPPORTS_NPTL
+
+config ADK_TARGET_WITH_LT
+	bool "enable Linuxthreads"
+	depends on ADK_TARGET_SUPPORTS_LT && ADK_TARGET_LIB_UCLIBC_NG
 
-config ADK_TARGET_LIB_WITHOUT_THREADS
+config ADK_TARGET_WITHOUT_THREADS
 	bool "disable threads"
+	depends on ADK_TARGET_LIB_UCLIBC_NG
 
 endchoice
 
-config ADK_TARGET_WITH_LT
+config ADK_TARGET_SUPPORTS_THREADS
 	bool
 
-config ADK_TARGET_WITH_NPTL
+config ADK_TARGET_SUPPORTS_NPTL
 	bool
 
-config ADK_TARGET_WITHOUT_THREADS
+config ADK_TARGET_SUPPORTS_LT
 	bool
 
 config ADK_TARGET_LIBC