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Support adding "make help" text

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This commit is contained in:
Eelco Dolstra 2014-02-01 11:47:34 +01:00
parent f324b49ea1
commit 35107038f7
2 changed files with 16 additions and 7 deletions
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4
clean.mk
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@ -5,3 +5,7 @@ clean:
dryclean:
@for i in $(clean_files); do if [ -e $$i ]; then echo $$i; fi; done | sort
print-top-help += \
echo " clean: Delete generated files"; \
echo " dryclean: Show what files would be deleted by 'make clean'";

19
lib.mk
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@ -79,7 +79,7 @@ $(foreach test, $(INSTALL_TESTS), $(eval $(call run-install-test,$(test))))
$(foreach file, $(man-pages), $(eval $(call install-data-in, $(file), $(mandir)/man$(patsubst .%,%,$(suffix $(file))))))
.PHONY: all man help
.PHONY: default all man help
all: $(programs_list) $(libs_list) $(jars_list) $(man-pages)
@ -90,15 +90,10 @@ help:
@echo "The following targets are available:"
@echo ""
@echo " default: Build default targets"
@echo " install: Install into \$$(prefix) (currently set to '$(prefix)')"
@echo " clean: Delete generated files"
@echo " dryclean: Show what files would be deleted by 'make clean'"
ifdef PACKAGE_NAME
@echo " dist: Generate a source distribution"
endif
ifdef man-pages
@echo " man: Generate manual pages"
endif
@$(print-top-help)
ifdef programs_list
@echo ""
@echo "The following programs can be built:"
@ -117,3 +112,13 @@ ifdef jars_list
@echo ""
@for i in $(jars_list); do echo " $$i"; done
endif
@echo ""
@echo "The following variables control the build:"
@echo ""
@echo " BUILD_SHARED_LIBS ($(BUILD_SHARED_LIBS)): Whether to build shared libraries"
@echo " BUILD_DEBUG ($(BUILD_DEBUG)): Whether to include debug symbols"
@echo " CC ($(CC)): C compiler to be used"
@echo " CFLAGS: Flags for the C compiler"
@echo " CXX ($(CXX)): C++ compiler to be used"
@echo " CXXFLAGS: Flags for the C++ compiler"
@$(print-var-help)