grep.mk.template

ifneq ($(PROCURSUS),1)
$(error Use the main Makefile)
endif

STRAPPROJECTS += grep                                                                  ### In this case, STRAPPROJECTS is the variable used. Most tools are unneeded in the bootstrap and would instead the SUBPROJECTS variable.
DOWNLOAD      += https://ftp.gnu.org/gnu/grep/grep-$(GREP_VERSION).tar.xz{,.sig}       ### Tarball to download. If available, always download the .sig or .asc file with it. See line 11.
GREP_VERSION  := 3.4                                                                   ### For most tools, all it takes to update is changing this version number and recompiling the package.
DEB_GREP_V    ?= $(GREP_VERSION)                                                       ### This is the version number put into the package's control file. Just in case we need to increment the version before a new one is released by the maintainers. See it used on line 48.

grep-setup: setup                                                                      ### The main setup stage downloads all tarballs. This target should always be required by the (tool)-setup target. This is also usually where any edits to files being built should be performed.
	$(call PGP_VERIFY,grep-$(GREP_VERSION).tar.xz)                                     ### Verifies the downloaded tarball against the sig file downloaded. This stage can be bypassed by passing `NO_PGP=1` when making.
	### In the case you downloaded a .asc file, the above line would look like this:
	### $(call PGP_VERIFY,grep-$(GREP_VERSION).tar.xz,asc)
	$(call EXTRACT_TAR,grep-$(GREP_VERSION).tar.xz,grep-$(GREP_VERSION),grep)          ### Extracts tarball.

ifneq ($(wildcard $(BUILD_WORK)/grep/.build_complete),)                                ### On a successful build of a tool, a .build_complete file should be made in it's build work directory. (See line 33) This prevents it from being unnecessarily built again. You can rebuild a package by running `make rebuild-(tool)`.
grep:
	@echo "Using previously built grep."
else
grep: grep-setup pcre                                                                  ### The (tool) target is where the actual building happens.
	cd $(BUILD_WORK)/grep && ./configure -C \
		--host=$(GNU_HOST_TRIPLE) \
		--prefix=/usr \
		--disable-dependency-tracking \
		--disable-nls \
		--with-packager="$(DEB_MAINTAINER)"
	+$(MAKE) -C $(BUILD_WORK)/grep
	+$(MAKE) -C $(BUILD_WORK)/grep install \
		DESTDIR=$(BUILD_STAGE)/grep                                                    ### On the completion of a successful build, always install files to a package's own directory in $(BUILD_STAGE).
	### If what you're building includes a shared library, also install to $(BUILD_BASE)
	### +$(MAKE) -C $(BUILD_WORK)/grep install \
		DESTDIR=$(BUILD_BASE)
	touch $(BUILD_WORK)/grep/.build_complete                                           ### Explained on line 16.
endif

grep-package: grep-stage                                                               ### (tool)-stage should always be required by the (tool)-package target.
	# grep.mk Package Structure
	rm -rf $(BUILD_DIST)/grep
	mkdir -p $(BUILD_DIST)/grep
	
	# grep.mk Prep grep
	cp -a $(BUILD_STAGE)/grep/usr $(BUILD_DIST)/grep
	
	# grep.mk Sign
	$(call SIGN,grep,general.xml)                                                      ### This signs the package with ldid. If your tool needs different entitlements than usual, place it's own entitlements file in build_info, and reflect said file here.
	
	# grep.mk Make .debs
	$(call PACK,grep,DEB_GREP_V)                                                       ### This is where the deb is packaged, DEB_GREP_V being the variable made for the deb version on line 8.
	
	# grep.mk Build cleanup
	rm -rf $(BUILD_DIST)/grep

.PHONY: grep grep-package