Don't set LANG env var by accident

...as setting a GNU Make LANG var exports it to recipes as an env var, and see
e.g. 56bc0b1a "Don't set locale env vars on
macOS" for potential problems caused by that.

This is the core half of a change spanning the core and help repos.

Change-Id: Ib7ae3b6edcef0b70e211a01aad4b3bd5c8905e06
Reviewed-on: https://gerrit.libreoffice.org/70929
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

librelogo/CustomTarget_librelogo.mk

@@ -17,7 +17,7 @@ $(call librelogo_Properties__Properties_impl,$(librelogo_DIR)/LibreLogo_$(1).pro
 endef
 
 define librelogo_Properties__Properties_impl
-$(1) : LANG := $(4)
+$(1) : LANGUAGE := $(4)
 $(1) : POFILE := $(3)
 $(1) : SOURCE := $(2)
 
@@ -37,20 +37,20 @@ $(librelogo_DIR)/LibreLogo_%.properties : \
 		| $(librelogo_DIR)/.dir
 	$(call gb_Output_announce,$(subst $(WORKDIR)/,,$@),$(true),PRP,1)
 	$(call gb_Helper_abbreviate_dirs, \
-		$(if $(filter-out qtz,$(LANG)), \
+		$(if $(filter-out qtz,$(LANGUAGE)), \
 			MERGEINPUT=$(call var2file,$(shell $(gb_MKTEMP)),100,$(POFILE)) && \
 			$(call gb_Executable_get_command,propex) \
 				-i $(SOURCE) \
 				-o $@ \
 				-m $${MERGEINPUT} \
-				-l $(LANG) && \
+				-l $(LANGUAGE) && \
 			rm -rf $${MERGEINPUT} \
 			, \
 			$(call gb_Executable_get_command,propex) \
 				-i $(SOURCE) \
 				-o $@ \
 				-m \
-				-l $(LANG) \
+				-l $(LANGUAGE) \
 		) \
 	)
 

solenv/gbuild/Configuration.mk

@@ -190,7 +190,7 @@ define gb_XcuLangpackTarget__command
 $(call gb_Output_announce,$(2),$(true),XCL,1)
 $(call gb_Helper_abbreviate_dirs,\
 	mkdir -p $(dir $(1)) && \
-	sed -e "s/__LANGUAGE__/$(LANG)/" -f $(gb_XcuLangpackTarget_SED_delcomment)\
+	sed -e "s/__LANGUAGE__/$(LANGUAGE)/" -f $(gb_XcuLangpackTarget_SED_delcomment)\
 	    $(3) > $(1))
 endef
 
@@ -384,7 +384,7 @@ $(call gb_Configuration_get_target,$(1)) : \
 	$(call gb_XcuLangpackTarget__get_target_with_lang,$(3),$(4))
 $(call gb_XcuLangpackTarget__get_target_with_lang,$(3),$(4)) : \
 	$(SRCDIR)/$(2)/$(3).tmpl
-$(call gb_XcuLangpackTarget__get_target_with_lang,$(3),$(4)) : LANG := $(4)
+$(call gb_XcuLangpackTarget__get_target_with_lang,$(3),$(4)) : LANGUAGE := $(4)
 
 endef
 

solenv/gbuild/Dictionary.mk

@@ -60,18 +60,18 @@ gb_PropertiesTranslateTarget_DEPS := $(call gb_Executable_get_runtime_dependenci
 define gb_PropertiesTranslateTarget__command
 $(call gb_Output_announce,$(2),$(true),PRP,1)
 $(call gb_Helper_abbreviate_dirs, \
-	$(if $(filter-out qtz,$(LANG)), \
+	$(if $(filter-out qtz,$(LANGUAGE)), \
 		MERGEINPUT=$(call var2file,$(shell $(gb_MKTEMP)),100,$(POFILE)) && \
 		$(gb_PropertiesTranslateTarget_COMMAND) \
 			-i $(PROPERTIES_FILE) \
-			-l $(LANG) \
+			-l $(LANGUAGE) \
 			-m $${MERGEINPUT} \
 			-o $(1) && \
 		rm -f $${MERGEINPUT} \
 		, \
 		$(gb_PropertiesTranslateTarget_COMMAND) \
 			-i $(PROPERTIES_FILE) \
-			-l $(LANG) \
+			-l $(LANGUAGE) \
 			-m \
 			-o $(1) \
 	) \
@@ -94,7 +94,7 @@ $(call gb_PropertiesTranslateTarget_get_clean_target,%) :
 
 # gb_PropertiesTranslateTarget_PropertiesTranslateTarget target source lang
 define gb_PropertiesTranslateTarget_PropertiesTranslateTarget
-$(call gb_PropertiesTranslateTarget_get_target,$(1)) : LANG := $(3)
+$(call gb_PropertiesTranslateTarget_get_target,$(1)) : LANGUAGE := $(3)
 $(call gb_PropertiesTranslateTarget_get_target,$(1)) : POFILE := $(gb_POLOCATION)/$(3)/$(patsubst %/,%,$(dir $(2))).po
 $(call gb_PropertiesTranslateTarget_get_target,$(1)) : PROPERTIES_FILE := $(SRCDIR)/$(2)
 

wizards/CustomTarget_wizards.mk

@@ -17,7 +17,7 @@ $(call wizards_Properties__Properties_impl,$(wizards_DIR)/resources_$(1).propert
 endef
 
 define wizards_Properties__Properties_impl
-$(1) : LANG := $(4)
+$(1) : LANGUAGE := $(4)
 $(1) : POFILE := $(3)
 $(1) : SOURCE := $(2)
 
@@ -37,20 +37,20 @@ $(wizards_DIR)/resources_%.properties : \
 		| $(wizards_DIR)/.dir
 	$(call gb_Output_announce,$(subst $(WORKDIR)/,,$@),$(true),PRP,1)
 	$(call gb_Helper_abbreviate_dirs, \
-		$(if $(filter-out qtz,$(LANG)), \
+		$(if $(filter-out qtz,$(LANGUAGE)), \
 			MERGEINPUT=$(call var2file,$(shell $(gb_MKTEMP)),100,$(POFILE)) && \
 			$(call gb_Executable_get_command,propex) \
 				-i $(SOURCE) \
 				-o $@ \
 				-m $${MERGEINPUT} \
-				-l $(LANG) && \
+				-l $(LANGUAGE) && \
 			rm -rf $${MERGEINPUT} \
 			, \
 			$(call gb_Executable_get_command,propex) \
 				-i $(SOURCE) \
 				-o $@ \
 				-m \
-				-l $(LANG) \
+				-l $(LANGUAGE) \
 		) \
 	)