NAME := libexpat
EXPAT_VERSION := 2.6.4

# The download URL should point to a tar archive of some sort.
# On most systems, tar will handle most compression formats, so
# tar/gzip, tar/bzip2, etc, are fine.  If the archive is in a different
# format, a recipe to create $(SRC) will need to be provided.
EXPAT_URL := https://github.com/libexpat/libexpat/releases/download/R_$(subst .,_,$(EXPAT_VERSION))/expat-$(EXPAT_VERSION).tar.gz

# The list of all programs that the package builds.
# These targets can be called and built from the command line.
# If the package provides no programs, leave this list empty.
# EXPAT_PROGRAMS := program-a program-b program-c

# The list of library names that the package builds.
# If the package provides no libraries, leave this list empty.
# Libraries will be represented as variables so that other packages may use them.
# For example, libsomething.a will be available as $$(libsomething).
EXPAT_LIBRARIES := libexpat.a

# Allow the user to add any make, autoconf, or configure options that they want.
# Feel free to put any reasonable default values here.
# EXPAT_CONFIG = --disable-unpopular-feature --disable-bulky-feature

# This creates the recipe chain that downloads, extracts, builds, and strips
# the binaries created by this package.  This makes it so that only the main
# build recipe's contents need to be provided by the package author.
$(eval $(call create_recipes, \
	$(NAME), \
	$(EXPAT_VERSION), \
	$(EXPAT_URL), \
	$(EXPAT_PROGRAMS), \
	$(EXPAT_LIBRARIES), \
))

# This is the main build recipe!
# Using $(BUILD_FLAG) as a target, it must compile the sources in $(SRC) and
# install the resulting programs and libraries into $(SYSROOT).  If the package
# depends on any libraries, add their variable representations to this target's
# dependency list.  For example, if the package depends on libsomething.a,
# add $$(libsomething) to $(BUILD_FLAG)'s dependencies.
$(BUILD_FLAG): $$(libz)
# This activates the cross-compiler toolchain by setting/exporting a lot of variables.
# Without this, builds would default to the system's compilers and libraries.
	$(eval $(call activate_toolchain,$@))
# The configure step defines what features should be enabled for the program.
# If available, the --host and --prefix values should always be the values below.
# Try to only hard-code the flags that are critical to a successful static build.
# Optional flags should be put in EXPAT_CONFIG so the user can override them.

	cd "$(SRC)" && ./configure \
	  $(CONFIGURE_DEFAULTS) \
	  --enable-static --disable-shared \
	  --with-zlib="$(SYSROOT)" \
	  $(EXPAT_CONFIG) \
	  CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)"
	$(MAKE) -C "$(SRC)" clean
	$(MAKE) -C "$(SRC)"
	$(MAKE) -C "$(SRC)" install

# All programs should add themselves to the ALL_PROGRAMS list.
ALL_PROGRAMS += $(EXPAT_PROGRAMS)

# Only programs that most users would want should be added to DEFAULT_PROGRAMS.
DEFAULT_PROGRAMS += $(EXPAT_PROGRAMS)