package/libsigc: bump to version 2.10.6

- Switch to meson-package as configure is not shipped in the official
  tarball anymore
- Drop host-m4 dependency (only needed in maintainer mode)
- Disable examples and XML validation (enabled by default)
- Drop LIBSIGC_INSTALL_TARGET_FIXUP as documentation is disabled by
  default
- Update web page in Config.in
- Update indentation in hash file (two spaces)

https://github.com/libsigcplusplus/libsigcplusplus/blob/2.10.6/NEWS

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/libsigc/Config.in

@@ -8,7 +8,7 @@ config BR2_PACKAGE_LIBSIGC
 	  signals to any callback function, either global or a member
 	  function, regardless of whether it is static or virtual.
 
-	  http://libsigc.sourceforge.net/
+	  https://libsigcplusplus.github.io/libsigcplusplus/
 
 comment "libsigc++ needs a toolchain w/ C++, gcc >= 4.8"
 	depends on !BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_GCC_AT_LEAST_4_8

package/libsigc/libsigc.hash

@@ -1,5 +1,5 @@
-# From http://ftp.gnome.org/pub/gnome/sources/libsigc++/2.10/libsigc++-2.10.0.sha256sum
-sha256	f843d6346260bfcb4426259e314512b99e296e8ca241d771d21ac64f28298d81	libsigc++-2.10.0.tar.xz
+# From http://ftp.gnome.org/pub/gnome/sources/libsigc++/2.10/libsigc++-2.10.6.sha256sum
+sha256  dda176dc4681bda9d5a2ac1bc55273bdd381662b7a6d49e918267d13e8774e1b  libsigc++-2.10.6.tar.xz
 
 # Locally calculated
-sha256	5bbcbb737e60fe9deba08ecbd00920cfcc3403ba2e534c64fdeea49d6bb87509	COPYING
+sha256  5bbcbb737e60fe9deba08ecbd00920cfcc3403ba2e534c64fdeea49d6bb87509  COPYING

package/libsigc/libsigc.mk

@@ -5,18 +5,14 @@
 ################################################################################
 
 LIBSIGC_VERSION_MAJOR = 2.10
-LIBSIGC_VERSION = $(LIBSIGC_VERSION_MAJOR).0
+LIBSIGC_VERSION = $(LIBSIGC_VERSION_MAJOR).6
 LIBSIGC_SOURCE = libsigc++-$(LIBSIGC_VERSION).tar.xz
 LIBSIGC_SITE = http://ftp.gnome.org/pub/GNOME/sources/libsigc++/$(LIBSIGC_VERSION_MAJOR)
-LIBSIGC_DEPENDENCIES = host-m4
 LIBSIGC_INSTALL_STAGING = YES
 LIBSIGC_LICENSE = LGPL-2.1+
 LIBSIGC_LICENSE_FILES = COPYING
+LIBSIGC_CONF_OPTS = \
+	-Dbuild-examples=false \
+	-Dvalidation=false
 
-define LIBSIGC_INSTALL_TARGET_FIXUP
-	rm -rf $(TARGET_DIR)/usr/share/devhelp/books/libsigc++*
-endef
-
-LIBSIGC_POST_INSTALL_TARGET_HOOKS += LIBSIGC_INSTALL_TARGET_FIXUP
-
-$(eval $(autotools-package))
+$(eval $(meson-package))