lvm2: disable build with uClibc-ng

lvm2 needs floorl() amnd nearbyintl(), which uClibc does not provide
for all architectures.

The simplest solution is to just disable lvm2 for uClibc.

Fixes:
  http://autobuild.buildroot.net/results/733/733c4d52f22d5f104b835d0f1c64e8a555ec1339/
  http://autobuild.buildroot.net/results/9ce/9ce371b59f0113d10261ede919a7e4f2ce377b3c/
  http://autobuild.buildroot.net/results/e48/e48fbec55160428b84c8d3b2ca957e8f6432c8e1/

Cc: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
[Thomas: adjust commit log, as suggested by Yann E. Morin.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/cryptsetup/Config.in

@@ -4,6 +4,7 @@ config BR2_PACKAGE_CRYPTSETUP
 	depends on BR2_USE_MMU # lvm2
 	depends on !BR2_STATIC_LIBS # lvm2
 	depends on !BR2_TOOLCHAIN_USES_MUSL # lvm2
+	depends on !BR2_TOOLCHAIN_USES_UCLIBC # lvm2
 	select BR2_PACKAGE_POPT
 	select BR2_PACKAGE_LVM2
 	select BR2_PACKAGE_UTIL_LINUX
@@ -15,7 +16,7 @@ config BR2_PACKAGE_CRYPTSETUP
 
 	  https://gitlab.com/cryptsetup/cryptsetup
 
-comment "cryptsetup needs a glibc or uClibc toolchain w/ threads, dynamic library"
+comment "cryptsetup needs a glibc toolchain w/ threads, dynamic library"
 	depends on BR2_USE_MMU
 	depends on BR2_STATIC_LIBS || !BR2_TOOLCHAIN_HAS_THREADS \
-		|| BR2_TOOLCHAIN_USES_MUSL
+		|| BR2_TOOLCHAIN_USES_MUSL || BR2_TOOLCHAIN_USES_UCLIBC

package/dmraid/Config.in

@@ -4,6 +4,7 @@ config BR2_PACKAGE_DMRAID
 	depends on BR2_USE_MMU # lvm2
 	depends on !BR2_STATIC_LIBS # lvm2
 	depends on !BR2_TOOLCHAIN_USES_MUSL # lvm2
+	depends on !BR2_TOOLCHAIN_USES_UCLIBC # lvm2
 	select BR2_PACKAGE_LVM2
 	help
 	  dmraid discovers, activates, deactivates and displays properties
@@ -12,7 +13,7 @@ config BR2_PACKAGE_DMRAID
 	  dmraid uses the Linux device-mapper to create devices with
 	  respective mappings for the ATARAID sets discovered.
 
-comment "dmraid needs a glibc or uClibc toolchain w/ threads, dynamic library"
+comment "dmraid needs a glibc toolchain w/ threads, dynamic library"
 	depends on BR2_USE_MMU
 	depends on BR2_STATIC_LIBS || !BR2_TOOLCHAIN_HAS_THREADS \
-		|| BR2_TOOLCHAIN_USES_MUSL
+		|| BR2_TOOLCHAIN_USES_MUSL || BR2_TOOLCHAIN_USES_UCLIBC

package/docker-engine/Config.in

@@ -47,6 +47,7 @@ config BR2_PACKAGE_DOCKER_ENGINE_DRIVER_DEVICEMAPPER
 	depends on BR2_USE_MMU # lvm2
 	depends on !BR2_STATIC_LIBS # lvm2
 	depends on !BR2_TOOLCHAIN_USES_MUSL # lvm2
+	depends on !BR2_TOOLCHAIN_USES_UCLIBC # lvm2
 	select BR2_PACKAGE_LVM2
 	select BR2_PACKAGE_LVM2_APP_LIBRARY
 	help

package/lvm2/Config.in

@@ -5,6 +5,7 @@ config BR2_PACKAGE_LVM2
 	depends on !BR2_STATIC_LIBS # It fails to build statically
 	# http://lists.busybox.net/pipermail/buildroot/2016-August/170592.html
 	depends on !BR2_TOOLCHAIN_USES_MUSL
+	depends on !BR2_TOOLCHAIN_USES_UCLIBC # missing floorl(), nearbyintl()
 	help
 	  This is LVM2, the rewrite of The Linux Logical Volume Manager.
 	  LVM supports enterprise level volume management of disk and disk
@@ -38,6 +39,7 @@ config BR2_PACKAGE_LVM2_APP_LIBRARY
 
 endif
 
-comment "lvm2 needs a glibc or uClibc toolchain w/ threads, dynamic library"
+comment "lvm2 needs a glibc toolchain w/ threads, dynamic library"
 	depends on BR2_USE_MMU
-	depends on BR2_STATIC_LIBS || !BR2_TOOLCHAIN_HAS_THREADS || BR2_TOOLCHAIN_USES_MUSL
+	depends on BR2_STATIC_LIBS || !BR2_TOOLCHAIN_HAS_THREADS \
+		|| BR2_TOOLCHAIN_USES_MUSL || BR2_TOOLCHAIN_USES_UCLIBC

package/udisks/Config.in

@@ -5,6 +5,7 @@ config BR2_PACKAGE_UDISKS
 	depends on BR2_USE_MMU # lvm2
 	depends on !BR2_STATIC_LIBS # lvm2
 	depends on !BR2_TOOLCHAIN_USES_MUSL # lvm2
+	depends on !BR2_TOOLCHAIN_USES_UCLIBC # lvm2
 	select BR2_PACKAGE_DBUS
 	select BR2_PACKAGE_DBUS_GLIB
 	depends on BR2_USE_WCHAR # dbus-glib -> glib2
@@ -40,7 +41,8 @@ comment "udisks needs udev /dev management"
 	depends on BR2_USE_MMU
 	depends on !BR2_PACKAGE_HAS_UDEV
 
-comment "udisks needs a glibc or uClibc toolchain w/ wchar, threads, dynamic library"
+comment "udisks needs a glibc toolchain w/ wchar, threads, dynamic library"
 	depends on BR2_USE_MMU
 	depends on !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_THREADS || \
-		BR2_STATIC_LIBS || BR2_TOOLCHAIN_USES_MUSL
+		BR2_STATIC_LIBS || BR2_TOOLCHAIN_USES_MUSL \
+		|| BR2_TOOLCHAIN_USES_UCLIBC