pkg-perl: move PERL_INC in configure step

this workaround for old ExtUtils-MakeMaker is now useless

Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/pkg-perl.mk

@@ -102,6 +102,7 @@ define $(2)_CONFIGURE_CMDS
 			LD="$$(TARGET_CC)" \
 			LDDLFLAGS="-shared $$(TARGET_LDFLAGS)" \
 			LDFLAGS="$$(TARGET_LDFLAGS)" \
+			PERL_INC=$$(STAGING_DIR)/usr/lib/$$(PERL_INSTALL_NAME)/$$(PERL_VERSION)/$$(PERL_ARCHNAME)/CORE \
 			DESTDIR=$$(TARGET_DIR) \
 			INSTALLDIRS=vendor \
 			INSTALLVENDORLIB=/usr/lib/perl5/site_perl/$$(PERL_VERSION) \
@@ -147,7 +148,6 @@ define $(2)_BUILD_CMDS
 		$$(PERL_RUN) Build $$($(2)_BUILD_OPTS) build; \
 	else \
 		$$(MAKE1) \
-			PERL_INC=$$(STAGING_DIR)/usr/lib/perl5/$$(PERL_VERSION)/$$(PERL_ARCHNAME)/CORE \
 			FIXIN=: \
 			$$($(2)_BUILD_OPTS) pure_all; \
 	fi