package: use <pkg>_CONFIG_SCRIPTS wherever possible

Use the <pkg>_CONFIG_SCRIPTS mechanism in all packages for which it
does all what the package was doing. A few packages, like libxslt, are
for now left out, since they need some additional fixup (for example a
fixup of includedir).

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/libxml2/libxml2.mk

@@ -10,6 +10,7 @@ LIBXML2_INSTALL_STAGING = YES
 LIBXML2_AUTORECONF = YES
 LIBXML2_LICENSE = MIT
 LIBXML2_LICENSE_FILES = COPYING
+LIBXML2_CONFIG_SCRIPTS = xml2-config
 
 ifneq ($(BR2_LARGEFILE),y)
 LIBXML2_CONF_ENV = CC="$(TARGET_CC) $(TARGET_CFLAGS) -DNO_LARGEFILE_SOURCE"
@@ -17,13 +18,6 @@ endif
 
 LIBXML2_CONF_OPT = --with-gnu-ld --without-python --without-debug
 
-define LIBXML2_STAGING_LIBXML2_CONFIG_FIXUP
-	$(SED) "s,^prefix=.*,prefix=\'$(STAGING_DIR)/usr\',g" $(STAGING_DIR)/usr/bin/xml2-config
-	$(SED) "s,^exec_prefix=.*,exec_prefix=\'$(STAGING_DIR)/usr\',g" $(STAGING_DIR)/usr/bin/xml2-config
-endef
-
-LIBXML2_POST_INSTALL_STAGING_HOOKS += LIBXML2_STAGING_LIBXML2_CONFIG_FIXUP
-
 HOST_LIBXML2_DEPENDENCIES = host-pkgconf
 
 # mesa3d uses functions that are only available with debug
@@ -40,15 +34,6 @@ else
 HOST_LIBXML2_CONF_OPT += --without-python
 endif
 
-
-define LIBXML2_REMOVE_CONFIG_SCRIPTS
-	$(RM) -f $(TARGET_DIR)/usr/bin/xml2-config
-endef
-
-ifneq ($(BR2_HAVE_DEVFILES),y)
-LIBXML2_POST_INSTALL_TARGET_HOOKS += LIBXML2_REMOVE_CONFIG_SCRIPTS
-endif
-
 $(eval $(autotools-package))
 $(eval $(host-autotools-package))