diff --git a/.tool-versions b/.tool-versions
index e7af890..f9ca9ad 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -2,6 +2,7 @@ clang 14.0.3
 cmake 3.26.4
 golang 1.20.5
 macos 13.4.1
+make 3.81
 meson 1.1.1
 ninja 1.11.1
 task 3.27.1
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..6b6fdc6
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,681 @@
+# Enable secondary expansions, needed for var substitution in rules's deps
+.SECONDEXPANSION:
+
+# Create any number of jobs, but keep the load average below ncpu
+MAKEFLAGS += "-j -l $(shell sysctl -n hw.ncpu) "
+
+HOST_OS = macos
+ifeq ($(shell uname -m), x86_64)
+    HOST_ARCH = amd64
+else ifeq ($(shell uname -m), aarch64)
+    HOST_ARCH = arm64
+else
+    $(error "Invalid host arch: Your host arch must be amd64 or arm64")
+endif
+
+VERSION ?= develop
+PROJECT_DIR ?= ${PWD}
+BUILD_DIR = build
+INTERMEDIATE_DIR = ${BUILD_DIR}/intermediate
+TMP_DIR = ${PROJECT_DIR}/${BUILD_DIR}/tmp
+OUTPUT_DIR = ${BUILD_DIR}/output
+DOWNLOADS_DIR = ${INTERMEDIATE_DIR}/downloads
+LINKS_DIR = ${INTERMEDIATE_DIR}/links
+PKGCONFIG_DIR = ${INTERMEDIATE_DIR}/pkg-config_${HOST_OS}-${HOST_ARCH}
+SANDBOX_PATH = /bin:/usr/bin:${PROJECT_DIR}/${LINKS_DIR}/bin:${PROJECT_DIR}/${PKGCONFIG_DIR}/bin
+
+# chars
+NULL =
+SPACE = $(NULL) # DONT REMOVE THIS COMMENT!!!
+COLON = :
+
+all: \
+	build/output/libmpv-libs_${VERSION}_ios-arm64-audio.tar.gz \
+	build/output/libmpv-libs_${VERSION}_ios-arm64-video.tar.gz \
+	build/output/libmpv-libs_${VERSION}_iossimulator-universal-audio.tar.gz \
+	build/output/libmpv-libs_${VERSION}_iossimulator-universal-video.tar.gz \
+	build/output/libmpv-libs_${VERSION}_macos-universal-audio.tar.gz \
+	build/output/libmpv-libs_${VERSION}_macos-universal-video.tar.gz \
+	build/output/libmpv-xcframeworks_${VERSION}_ios-universal-audio.tar.gz \
+	build/output/libmpv-xcframeworks_${VERSION}_ios-universal-video.tar.gz \
+	build/output/libmpv-xcframeworks_${VERSION}_macos-universal-audio.tar.gz \
+	build/output/libmpv-xcframeworks_${VERSION}_macos-universal-video.tar.gz
+
+${DOWNLOADS_DIR}: \
+	downloads.lock
+
+	@echo "\033[32mRULE\033[0m $@"
+
+	mkdir -p ${INTERMEDIATE_DIR}
+
+	$(eval TARGET_DIR=$@)
+	$(eval TARGET_NAME=$(notdir ${TARGET_DIR}))
+	$(eval TARGET_TMP_DIR=${TMP_DIR}/${TARGET_NAME})
+	$(eval TARGET_OUTPUT_DIR=${TARGET_TMP_DIR}/output)
+
+	rm -rf ${TARGET_TMP_DIR} ${TARGET_DIR}
+	mkdir -p ${TARGET_OUTPUT_DIR}
+
+	go run cmd/downloads/main.go downloads.lock ${TARGET_OUTPUT_DIR}
+
+	mv ${TARGET_OUTPUT_DIR} ${TARGET_DIR}
+	rm -rf ${TARGET_TMP_DIR}
+
+${LINKS_DIR}:
+	@echo "\033[32mRULE\033[0m $@"
+
+	mkdir -p ${INTERMEDIATE_DIR}
+
+	$(eval TARGET_DIR=$@)
+	$(eval TARGET_PATTERN=$*)
+	$(eval TARGET_NAME=$(notdir ${TARGET_DIR}))
+	$(eval TARGET_TMP_DIR=${TMP_DIR}/${TARGET_NAME})
+	$(eval TARGET_OUTPUT_DIR=${PROJECT_DIR}/${TARGET_DIR})
+
+	rm -rf ${TARGET_DIR}
+
+	env \
+		BINARIES="meson ninja cmake" \
+		OUTPUT_DIR=${TARGET_OUTPUT_DIR} \
+		sh ${PROJECT_DIR}/scripts/links/build.sh
+
+# pkg-config_<os>-<arch>
+${INTERMEDIATE_DIR}/pkg-config_%: \
+	${DOWNLOADS_DIR} \
+	${LINKS_DIR}
+
+	@echo "\033[32mRULE\033[0m $@"
+
+	$(eval TARGET_DIR=$@)
+	$(eval TARGET_PATTERN=$*)
+	$(eval TARGET_NAME=$(notdir ${TARGET_DIR}))
+	$(eval TARGET_PKGNAME=$(firstword $(subst _${TARGET_PATTERN}, ,${TARGET_NAME})))
+	$(eval TARGET_TMP_DIR=${TMP_DIR}/${TARGET_NAME})
+	$(eval TARGET_SRC_DIR=${TARGET_TMP_DIR}/src/${TARGET_PKGNAME})
+	$(eval TARGET_OUTPUT_DIR=${PROJECT_DIR}/${TARGET_DIR})
+
+	$(eval ARCHIVE_FILE=$(firstword $(wildcard ${DOWNLOADS_DIR}/${TARGET_PKGNAME}-*.tar.*)))
+
+	$(eval TARGET_OS=$(word 1, $(subst -, ,${TARGET_PATTERN})))
+	$(eval TARGET_ARCH=$(word 2, $(subst -, ,${TARGET_PATTERN})))
+
+	rm -rf ${TARGET_TMP_DIR} ${TARGET_DIR}
+	mkdir -p ${TARGET_TMP_DIR}
+
+	env -i \
+		PATH=${SANDBOX_PATH} \
+		ARCHIVE_FILE=${ARCHIVE_FILE} \
+		TARGET_DIR=${TARGET_SRC_DIR} \
+		sh ${PROJECT_DIR}/scripts/extract/build.sh
+	
+	env -i \
+		PATH=${SANDBOX_PATH} \
+		PROJECT_DIR=${PROJECT_DIR} \
+		OS=${TARGET_OS} \
+		ARCH=${TARGET_ARCH} \
+		SRC_DIR=${TARGET_SRC_DIR} \
+		OUTPUT_DIR=${TARGET_OUTPUT_DIR} \
+		sh ${PROJECT_DIR}/scripts/${TARGET_PKGNAME}/build.sh
+
+	rm -rf ${TARGET_TMP_DIR}
+
+# libressl_<os>-<arch>
+${INTERMEDIATE_DIR}/libressl_%: \
+	${DOWNLOADS_DIR} \
+	${PKGCONFIG_DIR}
+
+	@echo "\033[32mRULE\033[0m $@"
+
+	$(eval TARGET_DIR=$@)
+	$(eval TARGET_PATTERN=$*)
+	$(eval TARGET_NAME=$(notdir ${TARGET_DIR}))
+	$(eval TARGET_PKGNAME=$(firstword $(subst _${TARGET_PATTERN}, ,${TARGET_NAME})))
+	$(eval TARGET_TMP_DIR=${TMP_DIR}/${TARGET_NAME})
+	$(eval TARGET_SRC_DIR=${TARGET_TMP_DIR}/src/${TARGET_PKGNAME})
+	$(eval TARGET_OUTPUT_DIR=${PROJECT_DIR}/${TARGET_DIR})
+
+	$(eval ARCHIVE_FILE=$(firstword $(wildcard ${DOWNLOADS_DIR}/${TARGET_PKGNAME}-*.tar.*)))
+
+	$(eval TARGET_OS=$(word 1, $(subst -, ,${TARGET_PATTERN})))
+	$(eval TARGET_ARCH=$(word 2, $(subst -, ,${TARGET_PATTERN})))
+
+	rm -rf ${TARGET_TMP_DIR} ${TARGET_DIR}
+	mkdir -p ${TARGET_TMP_DIR}
+
+	env -i \
+		PATH=${SANDBOX_PATH} \
+		ARCHIVE_FILE=${ARCHIVE_FILE} \
+		TARGET_DIR=${TARGET_SRC_DIR} \
+		sh ${PROJECT_DIR}/scripts/extract/build.sh
+
+	env -i \
+		PATH=${SANDBOX_PATH} \
+		PROJECT_DIR=${PROJECT_DIR} \
+		OS=${TARGET_OS} \
+		ARCH=${TARGET_ARCH} \
+		SRC_DIR=${TARGET_SRC_DIR} \
+		OUTPUT_DIR=${TARGET_OUTPUT_DIR} \
+		sh ${PROJECT_DIR}/scripts/${TARGET_PKGNAME}/build.sh
+
+	rm -rf ${TARGET_TMP_DIR}
+
+# ffmpeg_<os>-<arch>-<variant>
+${INTERMEDIATE_DIR}/ffmpeg_%: \
+	${DOWNLOADS_DIR} \
+	${PKGCONFIG_DIR} \
+	${INTERMEDIATE_DIR}/libressl_$$(word 1,$$(subst -, ,$$*))-$$(word 2,$$(subst -, ,$$*))
+
+	@echo "\033[32mRULE\033[0m $@"
+
+	$(eval TARGET_DIR=$@)
+	$(eval TARGET_PATTERN=$*)
+	$(eval TARGET_NAME=$(notdir ${TARGET_DIR}))
+	$(eval TARGET_PKGNAME=$(firstword $(subst _${TARGET_PATTERN}, ,${TARGET_NAME})))
+	$(eval TARGET_TMP_DIR=${TMP_DIR}/${TARGET_NAME})
+	$(eval TARGET_SRC_DIR=${TARGET_TMP_DIR}/src/${TARGET_PKGNAME})
+	$(eval TARGET_OUTPUT_DIR=${PROJECT_DIR}/${TARGET_DIR})
+
+	$(eval ARCHIVE_FILE=$(firstword $(wildcard ${DOWNLOADS_DIR}/${TARGET_PKGNAME}-*.tar.*)))
+
+	$(eval TARGET_OS=$(word 1, $(subst -, ,${TARGET_PATTERN})))
+	$(eval TARGET_ARCH=$(word 2, $(subst -, ,${TARGET_PATTERN})))
+	$(eval TARGET_VARIANT=$(word 3, $(subst -, ,${TARGET_PATTERN})))
+
+	$(eval PKG_CONFIG_PATH=${PROJECT_DIR}/${INTERMEDIATE_DIR}/libressl_${TARGET_OS}-${TARGET_ARCH}/lib/pkgconfig)
+
+	rm -rf ${TARGET_TMP_DIR} ${TARGET_DIR}
+	mkdir -p ${TARGET_TMP_DIR}
+
+	env -i \
+		PATH=${SANDBOX_PATH} \
+		ARCHIVE_FILE=${ARCHIVE_FILE} \
+		TARGET_DIR=${TARGET_SRC_DIR} \
+		sh ${PROJECT_DIR}/scripts/extract/build.sh
+
+	env -i \
+		PATH=${SANDBOX_PATH} \
+		PROJECT_DIR=${PROJECT_DIR} \
+		PKG_CONFIG_PATH=${PKG_CONFIG_PATH} \
+		OS=${TARGET_OS} \
+		ARCH=${TARGET_ARCH} \
+		VARIANT=${TARGET_VARIANT} \
+		SRC_DIR=${TARGET_SRC_DIR} \
+		OUTPUT_DIR=${TARGET_OUTPUT_DIR} \
+		sh ${PROJECT_DIR}/scripts/${TARGET_PKGNAME}/build.sh
+
+	rm -rf ${TARGET_TMP_DIR}
+
+# harfbuzz_<os>-<arch>
+${INTERMEDIATE_DIR}/harfbuzz_%: \
+	${DOWNLOADS_DIR} \
+	${PKGCONFIG_DIR}
+
+	@echo "\033[32mRULE\033[0m $@"
+
+	$(eval TARGET_DIR=$@)
+	$(eval TARGET_PATTERN=$*)
+	$(eval TARGET_NAME=$(notdir ${TARGET_DIR}))
+	$(eval TARGET_PKGNAME=$(firstword $(subst _${TARGET_PATTERN}, ,${TARGET_NAME})))
+	$(eval TARGET_TMP_DIR=${TMP_DIR}/${TARGET_NAME})
+	$(eval TARGET_SRC_DIR=${TARGET_TMP_DIR}/src/${TARGET_PKGNAME})
+	$(eval TARGET_OUTPUT_DIR=${PROJECT_DIR}/${TARGET_DIR})
+
+	$(eval ARCHIVE_FILE=$(firstword $(wildcard ${DOWNLOADS_DIR}/${TARGET_PKGNAME}-*.tar.*)))
+
+	$(eval TARGET_OS=$(word 1, $(subst -, ,${TARGET_PATTERN})))
+	$(eval TARGET_ARCH=$(word 2, $(subst -, ,${TARGET_PATTERN})))
+
+	rm -rf ${TARGET_TMP_DIR} ${TARGET_DIR}
+	mkdir -p ${TARGET_TMP_DIR}
+
+	env -i \
+		PATH=${SANDBOX_PATH} \
+		ARCHIVE_FILE=${ARCHIVE_FILE} \
+		TARGET_DIR=${TARGET_SRC_DIR} \
+		sh ${PROJECT_DIR}/scripts/extract/build.sh
+
+	env -i \
+		PATH=${SANDBOX_PATH} \
+		PROJECT_DIR=${PROJECT_DIR} \
+		OS=${TARGET_OS} \
+		ARCH=${TARGET_ARCH} \
+		SRC_DIR=${TARGET_SRC_DIR} \
+		OUTPUT_DIR=${TARGET_OUTPUT_DIR} \
+		sh ${PROJECT_DIR}/scripts/${TARGET_PKGNAME}/build.sh
+
+	rm -rf ${TARGET_TMP_DIR}
+
+# fribidi_<os>-<arch>
+${INTERMEDIATE_DIR}/fribidi_%: \
+	${DOWNLOADS_DIR} \
+	${PKGCONFIG_DIR}
+
+	@echo "\033[32mRULE\033[0m $@"
+
+	$(eval TARGET_DIR=$@)
+	$(eval TARGET_PATTERN=$*)
+	$(eval TARGET_NAME=$(notdir ${TARGET_DIR}))
+	$(eval TARGET_PKGNAME=$(firstword $(subst _${TARGET_PATTERN}, ,${TARGET_NAME})))
+	$(eval TARGET_TMP_DIR=${TMP_DIR}/${TARGET_NAME})
+	$(eval TARGET_SRC_DIR=${TARGET_TMP_DIR}/src/${TARGET_PKGNAME})
+	$(eval TARGET_OUTPUT_DIR=${PROJECT_DIR}/${TARGET_DIR})
+
+	$(eval ARCHIVE_FILE=$(firstword $(wildcard ${DOWNLOADS_DIR}/${TARGET_PKGNAME}-*.tar.*)))
+
+	$(eval TARGET_OS=$(word 1, $(subst -, ,${TARGET_PATTERN})))
+	$(eval TARGET_ARCH=$(word 2, $(subst -, ,${TARGET_PATTERN})))
+
+	rm -rf ${TARGET_TMP_DIR} ${TARGET_DIR}
+	mkdir -p ${TARGET_TMP_DIR}
+
+	env -i \
+		PATH=${SANDBOX_PATH} \
+		ARCHIVE_FILE=${ARCHIVE_FILE} \
+		TARGET_DIR=${TARGET_SRC_DIR} \
+		sh ${PROJECT_DIR}/scripts/extract/build.sh
+
+	env -i \
+		PATH=${SANDBOX_PATH} \
+		PROJECT_DIR=${PROJECT_DIR} \
+		OS=${TARGET_OS} \
+		ARCH=${TARGET_ARCH} \
+		SRC_DIR=${TARGET_SRC_DIR} \
+		OUTPUT_DIR=${TARGET_OUTPUT_DIR} \
+		sh ${PROJECT_DIR}/scripts/${TARGET_PKGNAME}/build.sh
+
+	rm -rf ${TARGET_TMP_DIR}
+
+# freetype_<os>-<arch>
+${INTERMEDIATE_DIR}/freetype_%: \
+	${DOWNLOADS_DIR} \
+	${PKGCONFIG_DIR} \
+	${INTERMEDIATE_DIR}/harfbuzz_$$(word 1,$$(subst -, ,$$*))-$$(word 2,$$(subst -, ,$$*))
+
+	@echo "\033[32mRULE\033[0m $@"
+
+	$(eval TARGET_DIR=$@)
+	$(eval TARGET_PATTERN=$*)
+	$(eval TARGET_NAME=$(notdir ${TARGET_DIR}))
+	$(eval TARGET_PKGNAME=$(firstword $(subst _${TARGET_PATTERN}, ,${TARGET_NAME})))
+	$(eval TARGET_TMP_DIR=${TMP_DIR}/${TARGET_NAME})
+	$(eval TARGET_SRC_DIR=${TARGET_TMP_DIR}/src/${TARGET_PKGNAME})
+	$(eval TARGET_OUTPUT_DIR=${PROJECT_DIR}/${TARGET_DIR})
+
+	$(eval ARCHIVE_FILE=$(firstword $(wildcard ${DOWNLOADS_DIR}/${TARGET_PKGNAME}-*.tar.*)))
+
+	$(eval TARGET_OS=$(word 1, $(subst -, ,${TARGET_PATTERN})))
+	$(eval TARGET_ARCH=$(word 2, $(subst -, ,${TARGET_PATTERN})))
+
+	$(eval PKG_CONFIG_PATH=${PROJECT_DIR}/${INTERMEDIATE_DIR}/harfbuzz_${TARGET_OS}-${TARGET_ARCH}/lib/pkgconfig)
+
+	rm -rf ${TARGET_TMP_DIR} ${TARGET_DIR}
+	mkdir -p ${TARGET_TMP_DIR}
+
+	env -i \
+		PATH=${SANDBOX_PATH} \
+		ARCHIVE_FILE=${ARCHIVE_FILE} \
+		TARGET_DIR=${TARGET_SRC_DIR} \
+		sh ${PROJECT_DIR}/scripts/extract/build.sh
+
+	env -i \
+		PATH=${SANDBOX_PATH} \
+		PROJECT_DIR=${PROJECT_DIR} \
+		PKG_CONFIG_PATH=${PKG_CONFIG_PATH} \
+		OS=${TARGET_OS} \
+		ARCH=${TARGET_ARCH} \
+		SRC_DIR=${TARGET_SRC_DIR} \
+		OUTPUT_DIR=${TARGET_OUTPUT_DIR} \
+		sh ${PROJECT_DIR}/scripts/${TARGET_PKGNAME}/build.sh
+
+	rm -rf ${TARGET_TMP_DIR}
+
+# libass_<os>-<arch>
+${INTERMEDIATE_DIR}/libass_%: \
+	${DOWNLOADS_DIR} \
+	${PKGCONFIG_DIR} \
+	${INTERMEDIATE_DIR}/harfbuzz_$$(word 1,$$(subst -, ,$$*))-$$(word 2,$$(subst -, ,$$*)) \
+	${INTERMEDIATE_DIR}/fribidi_$$(word 1,$$(subst -, ,$$*))-$$(word 2,$$(subst -, ,$$*)) \
+	${INTERMEDIATE_DIR}/freetype_$$(word 1,$$(subst -, ,$$*))-$$(word 2,$$(subst -, ,$$*))
+
+	@echo "\033[32mRULE\033[0m $@"
+
+	$(eval TARGET_DIR=$@)
+	$(eval TARGET_PATTERN=$*)
+	$(eval TARGET_NAME=$(notdir ${TARGET_DIR}))
+	$(eval TARGET_PKGNAME=$(firstword $(subst _${TARGET_PATTERN}, ,${TARGET_NAME})))
+	$(eval TARGET_TMP_DIR=${TMP_DIR}/${TARGET_NAME})
+	$(eval TARGET_SRC_DIR=${TARGET_TMP_DIR}/src/${TARGET_PKGNAME})
+	$(eval TARGET_OUTPUT_DIR=${PROJECT_DIR}/${TARGET_DIR})
+
+	$(eval ARCHIVE_FILE=$(firstword $(wildcard ${DOWNLOADS_DIR}/${TARGET_PKGNAME}-*.tar.*)))
+
+	$(eval TARGET_OS=$(word 1, $(subst -, ,${TARGET_PATTERN})))
+	$(eval TARGET_ARCH=$(word 2, $(subst -, ,${TARGET_PATTERN})))
+
+	$(eval PKG_CONFIG_PATH=$(subst : ,:,\
+		${PROJECT_DIR}/${INTERMEDIATE_DIR}/harfbuzz_${TARGET_OS}-${TARGET_ARCH}/lib/pkgconfig:\
+		${PROJECT_DIR}/${INTERMEDIATE_DIR}/fribidi_${TARGET_OS}-${TARGET_ARCH}/lib/pkgconfig:\
+		${PROJECT_DIR}/${INTERMEDIATE_DIR}/freetype_${TARGET_OS}-${TARGET_ARCH}/lib/pkgconfig))
+
+	rm -rf ${TARGET_TMP_DIR} ${TARGET_DIR}
+	mkdir -p ${TARGET_TMP_DIR}
+
+	env -i \
+		PATH=${SANDBOX_PATH} \
+		ARCHIVE_FILE=${ARCHIVE_FILE} \
+		TARGET_DIR=${TARGET_SRC_DIR} \
+		sh ${PROJECT_DIR}/scripts/extract/build.sh
+
+	env -i \
+		PATH=${SANDBOX_PATH} \
+		PROJECT_DIR=${PROJECT_DIR} \
+		PKG_CONFIG_PATH=${PKG_CONFIG_PATH} \
+		OS=${TARGET_OS} \
+		ARCH=${TARGET_ARCH} \
+		SRC_DIR=${TARGET_SRC_DIR} \
+		OUTPUT_DIR=${TARGET_OUTPUT_DIR} \
+		sh ${PROJECT_DIR}/scripts/${TARGET_PKGNAME}/build.sh
+
+	rm -rf ${TARGET_TMP_DIR}
+
+# uchardet_<os>-<arch>
+${INTERMEDIATE_DIR}/uchardet_%: \
+	${DOWNLOADS_DIR} \
+	${PKGCONFIG_DIR}
+
+	@echo "\033[32mRULE\033[0m $@"
+
+	$(eval TARGET_DIR=$@)
+	$(eval TARGET_PATTERN=$*)
+	$(eval TARGET_NAME=$(notdir ${TARGET_DIR}))
+	$(eval TARGET_PKGNAME=$(firstword $(subst _${TARGET_PATTERN}, ,${TARGET_NAME})))
+	$(eval TARGET_TMP_DIR=${TMP_DIR}/${TARGET_NAME})
+	$(eval TARGET_SRC_DIR=${TARGET_TMP_DIR}/src/${TARGET_PKGNAME})
+	$(eval TARGET_OUTPUT_DIR=${PROJECT_DIR}/${TARGET_DIR})
+
+	$(eval ARCHIVE_FILE=$(firstword $(wildcard ${DOWNLOADS_DIR}/${TARGET_PKGNAME}-*.tar.*)))
+
+	$(eval TARGET_OS=$(word 1, $(subst -, ,${TARGET_PATTERN})))
+	$(eval TARGET_ARCH=$(word 2, $(subst -, ,${TARGET_PATTERN})))
+
+	rm -rf ${TARGET_TMP_DIR} ${TARGET_DIR}
+	mkdir -p ${TARGET_TMP_DIR}
+
+	env -i \
+		PATH=${SANDBOX_PATH} \
+		ARCHIVE_FILE=${ARCHIVE_FILE} \
+		TARGET_DIR=${TARGET_SRC_DIR}/subprojects/${TARGET_PKGNAME} \
+		sh ${PROJECT_DIR}/scripts/extract/build.sh
+
+	env -i \
+		PATH=${SANDBOX_PATH} \
+		PROJECT_DIR=${PROJECT_DIR} \
+		PKG_CONFIG_PATH=${PKG_CONFIG_PATH} \
+		OS=${TARGET_OS} \
+		ARCH=${TARGET_ARCH} \
+		SRC_DIR=${TARGET_SRC_DIR} \
+		OUTPUT_DIR=${TARGET_OUTPUT_DIR} \
+		sh ${PROJECT_DIR}/scripts/${TARGET_PKGNAME}/build.sh
+
+	rm -rf ${TARGET_TMP_DIR}
+
+# mpv_<os>-<arch>-<variant>
+${INTERMEDIATE_DIR}/mpv_%: \
+	${DOWNLOADS_DIR} \
+	${PKGCONFIG_DIR} \
+	${INTERMEDIATE_DIR}/ffmpeg_$$(word 1,$$(subst -, ,$$*))-$$(word 2,$$(subst -, ,$$*))-$$(word 3,$$(subst -, ,$$*)) \
+	$$(if $$(filter video, $$(word 3,$$(subst -, ,$$*))), \
+		${INTERMEDIATE_DIR}/uchardet_$$(word 1,$$(subst -, ,$$*))-$$(word 2,$$(subst -, ,$$*)) \
+		${INTERMEDIATE_DIR}/libass_$$(word 1,$$(subst -, ,$$*))-$$(word 2,$$(subst -, ,$$*)) \
+		${INTERMEDIATE_DIR}/harfbuzz_$$(word 1,$$(subst -, ,$$*))-$$(word 2,$$(subst -, ,$$*)) \
+		${INTERMEDIATE_DIR}/fribidi_$$(word 1,$$(subst -, ,$$*))-$$(word 2,$$(subst -, ,$$*)) \
+		${INTERMEDIATE_DIR}/freetype_$$(word 1,$$(subst -, ,$$*))-$$(word 2,$$(subst -, ,$$*)) \
+	)
+
+	@echo "\033[32mRULE\033[0m $@"
+
+	$(eval TARGET_DIR=$@)
+	$(eval TARGET_PATTERN=$*)
+	$(eval TARGET_DEPS=$+)
+	$(eval TARGET_NAME=$(notdir ${TARGET_DIR}))
+	$(eval TARGET_PKGNAME=$(firstword $(subst _${TARGET_PATTERN}, ,${TARGET_NAME})))
+	$(eval TARGET_TMP_DIR=${TMP_DIR}/${TARGET_NAME})
+	$(eval TARGET_SRC_DIR=${TARGET_TMP_DIR}/src/${TARGET_PKGNAME})
+	$(eval TARGET_OUTPUT_DIR=${PROJECT_DIR}/${TARGET_DIR})
+
+	$(eval ARCHIVE_FILE=$(firstword $(wildcard ${DOWNLOADS_DIR}/${TARGET_PKGNAME}-*.tar.*)))
+
+	$(eval TARGET_OS=$(word 1, $(subst -, ,${TARGET_PATTERN})))
+	$(eval TARGET_ARCH=$(word 2, $(subst -, ,${TARGET_PATTERN})))
+	$(eval TARGET_VARIANT=$(word 3, $(subst -, ,${TARGET_PATTERN})))
+
+	$(eval TARGET_PKGS_DEPS=$(foreach DEP,${TARGET_DEPS}, \
+		$(if $(findstring downloads,${DEP}),, \
+			$(if $(findstring pkg-config,${DEP}),, \
+				${DEP}))))
+	$(eval PKG_CONFIG_PATH_LIST=$(foreach DEP,${TARGET_PKGS_DEPS},${PROJECT_DIR}/${DEP}/lib/pkgconfig))
+	$(eval PKG_CONFIG_PATH=$(subst ${SPACE},${COLON},${PKG_CONFIG_PATH_LIST}))
+
+	rm -rf ${TARGET_TMP_DIR} ${TARGET_DIR}
+	mkdir -p ${TARGET_TMP_DIR}
+
+	env -i \
+		PATH=${SANDBOX_PATH} \
+		ARCHIVE_FILE=${ARCHIVE_FILE} \
+		TARGET_DIR=${TARGET_SRC_DIR} \
+		sh ${PROJECT_DIR}/scripts/extract/build.sh
+
+	env -i \
+		PATH=${SANDBOX_PATH} \
+		PROJECT_DIR=${PROJECT_DIR} \
+		PKG_CONFIG_PATH=${PKG_CONFIG_PATH} \
+		OS=${TARGET_OS} \
+		ARCH=${TARGET_ARCH} \
+		VARIANT=${TARGET_VARIANT} \
+		SRC_DIR=${TARGET_SRC_DIR} \
+		OUTPUT_DIR=${TARGET_OUTPUT_DIR} \
+		sh ${PROJECT_DIR}/scripts/${TARGET_PKGNAME}/build.sh
+
+	rm -rf ${TARGET_TMP_DIR}
+
+# libs-arch_<os>-<arch>-<variant>
+${INTERMEDIATE_DIR}/libs-arch_%: \
+	${INTERMEDIATE_DIR}/mpv_$$(word 1,$$(subst -, ,$$*))-$$(word 2,$$(subst -, ,$$*))-$$(word 3,$$(subst -, ,$$*)) \
+	${INTERMEDIATE_DIR}/ffmpeg_$$(word 1,$$(subst -, ,$$*))-$$(word 2,$$(subst -, ,$$*))-$$(word 3,$$(subst -, ,$$*)) \
+	${INTERMEDIATE_DIR}/libressl_$$(word 1,$$(subst -, ,$$*))-$$(word 2,$$(subst -, ,$$*)) \
+	$$(if $$(filter video, $$(word 3,$$(subst -, ,$$*))), \
+		${INTERMEDIATE_DIR}/uchardet_$$(word 1,$$(subst -, ,$$*))-$$(word 2,$$(subst -, ,$$*)) \
+		${INTERMEDIATE_DIR}/libass_$$(word 1,$$(subst -, ,$$*))-$$(word 2,$$(subst -, ,$$*)) \
+		${INTERMEDIATE_DIR}/harfbuzz_$$(word 1,$$(subst -, ,$$*))-$$(word 2,$$(subst -, ,$$*)) \
+		${INTERMEDIATE_DIR}/fribidi_$$(word 1,$$(subst -, ,$$*))-$$(word 2,$$(subst -, ,$$*)) \
+		${INTERMEDIATE_DIR}/freetype_$$(word 1,$$(subst -, ,$$*))-$$(word 2,$$(subst -, ,$$*)) \
+	)
+
+	@echo "\033[32mRULE\033[0m $@"
+
+	$(eval TARGET_DIR=$@)
+	$(eval TARGET_PATTERN=$*)
+	$(eval TARGET_DEPS=$+)
+	$(eval TARGET_NAME=$(notdir ${TARGET_DIR}))
+	$(eval TARGET_PKGNAME=$(firstword $(subst _${TARGET_PATTERN}, ,${TARGET_NAME})))
+	$(eval TARGET_TMP_DIR=${TMP_DIR}/${TARGET_NAME})
+	$(eval TARGET_SRC_DIR=${TARGET_TMP_DIR}/src/${TARGET_PKGNAME})
+	$(eval TARGET_OUTPUT_DIR=${TARGET_TMP_DIR}/output)
+
+	$(eval TARGET_OS=$(word 1, $(subst -, ,${TARGET_PATTERN})))
+	$(eval TARGET_ARCH=$(word 2, $(subst -, ,${TARGET_PATTERN})))
+	$(eval TARGET_VARIANT=$(word 3, $(subst -, ,${TARGET_PATTERN})))
+
+	$(eval TARGET_ABS_DEPS=$(foreach DEP,${TARGET_DEPS},${PROJECT_DIR}/${DEP}))
+
+	rm -rf ${TARGET_TMP_DIR} ${TARGET_DIR}
+	mkdir -p ${TARGET_OUTPUT_DIR}
+
+	env -i \
+		PATH=${SANDBOX_PATH} \
+		PROJECT_DIR=${PROJECT_DIR} \
+		PKG_CONFIG_PATH=${PKG_CONFIG_PATH} \
+		OS=${TARGET_OS} \
+		ARCH=${TARGET_ARCH} \
+		VARIANT=${TARGET_VARIANT} \
+		DEPS="${TARGET_ABS_DEPS}" \
+		OUTPUT_DIR=${TARGET_OUTPUT_DIR} \
+		sh ${PROJECT_DIR}/scripts/${TARGET_PKGNAME}/build.sh
+
+	mv ${TARGET_OUTPUT_DIR} ${TARGET_DIR}
+	rm -rf ${TARGET_TMP_DIR}
+
+# libs_<os>-<arch>-<variant>
+${INTERMEDIATE_DIR}/libs_%: \
+	$$(if $$(filter universal, $$(word 2,$$(subst -, ,$$*))), \
+		${INTERMEDIATE_DIR}/libs-arch_$$(word 1,$$(subst -, ,$$*))-arm64-$$(word 3,$$(subst -, ,$$*)) \
+		${INTERMEDIATE_DIR}/libs-arch_$$(word 1,$$(subst -, ,$$*))-amd64-$$(word 3,$$(subst -, ,$$*)) \
+	, \
+		${INTERMEDIATE_DIR}/libs-arch_$$(word 1,$$(subst -, ,$$*))-$$(word 2,$$(subst -, ,$$*))-$$(word 3,$$(subst -, ,$$*)) \
+	)
+
+	@echo "\033[32mRULE\033[0m $@"
+
+	$(eval TARGET_DIR=$@)
+	$(eval TARGET_PATTERN=$*)
+	$(eval TARGET_DEPS=$+)
+	$(eval TARGET_NAME=$(notdir ${TARGET_DIR}))
+	$(eval TARGET_PKGNAME=$(firstword $(subst _${TARGET_PATTERN}, ,${TARGET_NAME})))
+	$(eval TARGET_TMP_DIR=${TMP_DIR}/${TARGET_NAME})
+	$(eval TARGET_SRC_DIR=${TARGET_TMP_DIR}/src/${TARGET_PKGNAME})
+	$(eval TARGET_OUTPUT_DIR=${TARGET_TMP_DIR}/output)
+
+	$(eval TARGET_OS=$(word 1, $(subst -, ,${TARGET_PATTERN})))
+	$(eval TARGET_ARCH=$(word 2, $(subst -, ,${TARGET_PATTERN})))
+	$(eval TARGET_VARIANT=$(word 3, $(subst -, ,${TARGET_PATTERN})))
+
+	$(eval TARGET_ABS_DEPS=$(foreach DEP,${TARGET_DEPS},${PROJECT_DIR}/${DEP}))
+
+	rm -rf ${TARGET_TMP_DIR} ${TARGET_DIR}
+	mkdir -p ${TARGET_OUTPUT_DIR}
+
+	env -i \
+		PATH=${SANDBOX_PATH} \
+		PROJECT_DIR=${PROJECT_DIR} \
+		PKG_CONFIG_PATH=${PKG_CONFIG_PATH} \
+		OS=${TARGET_OS} \
+		ARCH=${TARGET_ARCH} \
+		VARIANT=${TARGET_VARIANT} \
+		DEPS="${TARGET_ABS_DEPS}" \
+		OUTPUT_DIR=${TARGET_OUTPUT_DIR} \
+		sh ${PROJECT_DIR}/scripts/${TARGET_PKGNAME}/build.sh
+
+	mv ${TARGET_OUTPUT_DIR} ${TARGET_DIR}
+	rm -rf ${TARGET_TMP_DIR}
+
+# frameworks_<os>-<arch>-<variant>
+${INTERMEDIATE_DIR}/frameworks_%: \
+	${INTERMEDIATE_DIR}/libs_$$(word 1,$$(subst -, ,$$*))-$$(word 2,$$(subst -, ,$$*))-$$(word 3,$$(subst -, ,$$*))
+
+	@echo "\033[32mRULE\033[0m $@"
+
+	$(eval TARGET_DIR=$@)
+	$(eval TARGET_PATTERN=$*)
+	$(eval TARGET_DEPS=$+)
+	$(eval TARGET_NAME=$(notdir ${TARGET_DIR}))
+	$(eval TARGET_PKGNAME=$(firstword $(subst _${TARGET_PATTERN}, ,${TARGET_NAME})))
+	$(eval TARGET_TMP_DIR=${TMP_DIR}/${TARGET_NAME})
+	$(eval TARGET_SRC_DIR=${TARGET_TMP_DIR}/src/${TARGET_PKGNAME})
+	$(eval TARGET_OUTPUT_DIR=${TARGET_TMP_DIR}/output)
+
+	$(eval TARGET_OS=$(word 1, $(subst -, ,${TARGET_PATTERN})))
+	$(eval TARGET_ARCH=$(word 2, $(subst -, ,${TARGET_PATTERN})))
+	$(eval TARGET_VARIANT=$(word 3, $(subst -, ,${TARGET_PATTERN})))
+
+	$(eval TARGET_ABS_DEPS=$(foreach DEP,${TARGET_DEPS},${PROJECT_DIR}/${DEP}))
+
+	rm -rf ${TARGET_TMP_DIR} ${TARGET_DIR}
+	mkdir -p ${TARGET_OUTPUT_DIR}
+
+	env -i \
+		PATH=${SANDBOX_PATH} \
+		PROJECT_DIR=${PROJECT_DIR} \
+		PKG_CONFIG_PATH=${PKG_CONFIG_PATH} \
+		OS=${TARGET_OS} \
+		ARCH=${TARGET_ARCH} \
+		VARIANT=${TARGET_VARIANT} \
+		DEPS="${TARGET_ABS_DEPS}" \
+		OUTPUT_DIR=${TARGET_OUTPUT_DIR} \
+		sh ${PROJECT_DIR}/scripts/${TARGET_PKGNAME}/build.sh
+
+	mv ${TARGET_OUTPUT_DIR} ${TARGET_DIR}
+	rm -rf ${TARGET_TMP_DIR}
+
+# xcframeworks_<os>-<arch>-<variant>
+${INTERMEDIATE_DIR}/xcframeworks_%: \
+	$$(if $$(filter ios, $$(word 1,$$(subst -, ,$$*))), \
+		${INTERMEDIATE_DIR}/frameworks_ios-arm64-$$(word 3,$$(subst -, ,$$*)) \
+		${INTERMEDIATE_DIR}/frameworks_iossimulator-$$(word 2,$$(subst -, ,$$*))-$$(word 3,$$(subst -, ,$$*)) \
+	, \
+		${INTERMEDIATE_DIR}/frameworks_$$(word 1,$$(subst -, ,$$*))-$$(word 2,$$(subst -, ,$$*))-$$(word 3,$$(subst -, ,$$*)) \
+	)
+
+	@echo "\033[32mRULE\033[0m $@"
+
+	$(eval TARGET_DIR=$@)
+	$(eval TARGET_PATTERN=$*)
+	$(eval TARGET_DEPS=$+)
+	$(eval TARGET_NAME=$(notdir ${TARGET_DIR}))
+	$(eval TARGET_PKGNAME=$(firstword $(subst _${TARGET_PATTERN}, ,${TARGET_NAME})))
+	$(eval TARGET_TMP_DIR=${TMP_DIR}/${TARGET_NAME})
+	$(eval TARGET_SRC_DIR=${TARGET_TMP_DIR}/src/${TARGET_PKGNAME})
+	$(eval TARGET_OUTPUT_DIR=${TARGET_TMP_DIR}/output)
+
+	$(eval TARGET_OS=$(word 1, $(subst -, ,${TARGET_PATTERN})))
+	$(eval TARGET_ARCH=$(word 2, $(subst -, ,${TARGET_PATTERN})))
+	$(eval TARGET_VARIANT=$(word 3, $(subst -, ,${TARGET_PATTERN})))
+
+	$(eval TARGET_ABS_DEPS=$(foreach DEP,${TARGET_DEPS},${PROJECT_DIR}/${DEP}))
+
+	rm -rf ${TARGET_TMP_DIR} ${TARGET_DIR}
+	mkdir -p ${TARGET_OUTPUT_DIR}
+
+	env -i \
+		PATH=${SANDBOX_PATH} \
+		PROJECT_DIR=${PROJECT_DIR} \
+		PKG_CONFIG_PATH=${PKG_CONFIG_PATH} \
+		OS=${TARGET_OS} \
+		ARCH=${TARGET_ARCH} \
+		VARIANT=${TARGET_VARIANT} \
+		DEPS="${TARGET_ABS_DEPS}" \
+		OUTPUT_DIR=${TARGET_OUTPUT_DIR} \
+		sh ${PROJECT_DIR}/scripts/${TARGET_PKGNAME}/build.sh
+
+	mv ${TARGET_OUTPUT_DIR} ${TARGET_DIR}
+	rm -rf ${TARGET_TMP_DIR}
+
+# libmpv-<type>_<version>_<os>-<arch>-<variant>.tar.gz
+${OUTPUT_DIR}/libmpv-%.tar.gz: \
+	${INTERMEDIATE_DIR}/$$(word 1,$$(subst _, ,$$*))_$$(word 3,$$(subst _, ,$$*))
+
+	@echo "\033[32mRULE\033[0m $@"
+
+	$(eval TARGET_FILE=$@)
+	$(eval TARGET_DEPS=$+)
+	$(eval TARGET_FILENAME=$(notdir ${TARGET_FILE}))
+	$(eval TARGET_NAME=$(basename $(basename ${TARGET_FILENAME})))
+	$(eval TARGET_PKGNAME=archives)
+	$(eval TARGET_TMP_DIR=${TMP_DIR}/${TARGET_NAME})
+	$(eval TARGET_SRC_DIR=${TARGET_TMP_DIR})
+	$(eval TARGET_OUTPUT_FILE=${TARGET_TMP_DIR}/${TARGET_FILENAME})
+
+	$(eval TARGET_ABS_DEPS=$(foreach DEP,${TARGET_DEPS},${PROJECT_DIR}/${DEP}))
+
+	rm -rf ${TARGET_TMP_DIR} ${TARGET_FILE}
+	mkdir -p ${OUTPUT_DIR} ${TARGET_SRC_DIR}
+
+	env -i \
+		PATH=${SANDBOX_PATH} \
+		PROJECT_DIR=${PROJECT_DIR} \
+		SRC_DIR=${TARGET_SRC_DIR} \
+		DEPS="${TARGET_ABS_DEPS}" \
+		OUTPUT_FILE=${TARGET_OUTPUT_FILE} \
+		sh ${PROJECT_DIR}/scripts/${TARGET_PKGNAME}/build.sh
+
+	mv ${TARGET_OUTPUT_FILE} ${TARGET_FILE}
+	rm -rf ${TARGET_TMP_DIR}
diff --git a/README.md b/README.md
index ccab42c..fdee40e 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
-# libmpv Build
+# libmpv build
 
 Provides builds of [libmpv](https://github.com/mpv-player/mpv) for macOS & iOS,
-usable by [media_kit](https://github.com/alexmercerind/media_kit), compatible
+used by [media_kit](https://github.com/alexmercerind/media_kit), compatible
 with commercial use.
 
 Heavily inspired by [Homebrew](https://github.com/Homebrew/brew) and
@@ -10,15 +10,15 @@ Heavily inspired by [Homebrew](https://github.com/Homebrew/brew) and
 ## Usage
 
 ```shell
-$ brew install cmake golang go-task meson ninja
-$ VERSION=v0.0.1 task
+$ brew install cmake golang meson ninja
+$ VERSION=v0.0.1 make
 $ ls build/video/macos/universal/libs
 libass.9.dylib
 libavcodec.59.dylib
 libavfilter.8.dylib
 ...
 $ ls build/video/macos/universal/archives/libs
-libmpv-libs-video-v0.0.1-macos-universal.tar.gz
+libmpv-libs-video-default-v0.0.1-macos-universal.tar.gz
 ```
 
 ## Dependencies
@@ -66,7 +66,7 @@ E -.-> F
 - **[uchardet](https://www.freedesktop.org/wiki/Software/uchardet/)
   (optional)**: A C++ port of the Universal Character Encoding Detector (used by Mozilla Firefox and Thunderbird) for detecting the encoding of input text
 
-## Commercial Use
+## Commercial use
 
 | Dependency | Licence                                                | Commercial use |
 | ---------- | ------------------------------------------------------ | :------------: |
@@ -137,7 +137,22 @@ future:
 We use `meson` as much as possible in order to simplify cross-compilation, at
 the cost of some heaviness regarding legacy packages.
 
-## Project Layout
+## Naming convention
+
+```
+libmpv-<format>-<variant>-<config>-<version>-<os>-<arch>.tar.gz
+```
+
+| Component | Notes                        | Value                   |
+| --------- | ---------------------------- | ----------------------- |
+| format    | Output format of built files | libs, xcframeworks      |
+| variant   | Usage context                | audio, video            |
+| config    | Number of available features | default, full           |
+| version   | Semantic version             | v0.0.1, …               |
+| os        | Operating system             | ios, macos              |
+| arch      | Architecture                 | arm64, amd64, universal |
+
+## Project layout
 
 ```
 .
@@ -146,7 +161,7 @@ the cost of some heaviness regarding legacy packages.
 ├── pkg                              # golang packages
 ├── downloads                        # dependencies archives files
 ├── downloads.lock                   # lock file of dependencies archives
-├── Taskfile.yaml                    # main build script
+├── Makefile                         # main build script
 ├── scripts                          # build scripts
 ├── cross-files                      # cross build files used by meson
 ├── build
@@ -172,6 +187,19 @@ the cost of some heaviness regarding legacy packages.
 └── ...
 ```
 
+TODO:
+
+```
+build
+  intermediate
+    foobar # pkgname / variant / arch … (eg: ffmpeg-audio-full-macos-arm64)
+      chroot
+      src
+      output
+  output
+    libmpv-*.tar.gz
+```
+
 ## How the libass optional patch was created
 
 As the dependency of mpv on libass is deeply embedded in the code, the simplest
@@ -183,14 +211,6 @@ solution was to:
 4. Remove the calls to `ass_library_init`, called by `mp_ass_init`, in
    `sub/osd_libass.c` and `sub/sd_ass.c`
 
-## TODO
-
-- [ ] **libressl**: mutualise the build between audio and video variants,
-      currently built twice
-- [ ] **ffmpeg**: improve variant configuration scripts, like what is done for
-      **mpv**
-- [ ] looking for a better build automation tool than Taskfile (if it exists)
-
 ## Resources
 
 - https://github.com/stps/mpv-ios-scripts
diff --git a/downloads/.gitignore b/downloads/.gitignore
deleted file mode 100644
index d6b7ef3..0000000
--- a/downloads/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-*
-!.gitignore
diff --git a/pkg/tool-versions/tool-versions.go b/pkg/tool-versions/tool-versions.go
index 5618135..4655e65 100644
--- a/pkg/tool-versions/tool-versions.go
+++ b/pkg/tool-versions/tool-versions.go
@@ -28,6 +28,7 @@ var toolVersionsCMDs = map[string]string{
 	"cmake":  "cmake --version | head -n1 | cut -d ' ' -f 3",
 	"golang": "go version | cut -d ' ' -f 3 | sed 's/go//g'",
 	"macos":  "sw_vers -productVersion",
+	"make":   "make --version | head -n1 | cut -d ' ' -f 3",
 	"meson":  "meson --version",
 	"ninja":  "ninja --version",
 	"task":   "task --version | cut -d ' ' -f 3 | sed 's/v//g'",
diff --git a/scripts/archives/build.sh b/scripts/archives/build.sh
index d2bbc3a..c01a960 100644
--- a/scripts/archives/build.sh
+++ b/scripts/archives/build.sh
@@ -1,11 +1,11 @@
 #!/bin/sh
 
-rm -rf "${ARCHIVES_DIR}"
-mkdir -p "${ARCHIVES_DIR}"
+set -e # exit immediately if a command exits with a non-zero status
+set -u # treat unset variables as an error
 
-NAME=libmpv-${TYPE}-${VARIANT}-${VERSION}-${OS}-${ARCH}
+cd ${SRC_DIR}
 
-cp -R "${FILES_DIR}" "${ARCHIVES_DIR}"/$NAME
+NAME=$(basename ${OUTPUT_FILE} .tar.gz)
 
-cd "${ARCHIVES_DIR}"
-tar -czvf $NAME.tar.gz $NAME
+cp -R ${DEPS} ${NAME}
+tar -czvf ${NAME}.tar.gz ${NAME}
diff --git a/scripts/extract/build.sh b/scripts/extract/build.sh
index a16eea4..3223b69 100644
--- a/scripts/extract/build.sh
+++ b/scripts/extract/build.sh
@@ -1,10 +1,10 @@
 #!/bin/sh
 
+set -e # exit immediately if a command exits with a non-zero status
+set -u # treat unset variables as an error
+
 mkdir -p ${TARGET_DIR}
-find downloads -type f -name "${PKG_NAME}-*.tar.*" -exec \
-    tar \
-    -xvf {} \
+tar \
+    -xvf ${ARCHIVE_FILE} \
     --strip-components 1 \
-    -C ${TARGET_DIR} \
-    \
-    \; 2>&1
+    -C ${TARGET_DIR}
diff --git a/scripts/ffmpeg/build.sh b/scripts/ffmpeg/build.sh
index 0f5d71a..8bbba1d 100644
--- a/scripts/ffmpeg/build.sh
+++ b/scripts/ffmpeg/build.sh
@@ -1,6 +1,9 @@
 #!/bin/sh
 
-cd ${SOURCES_DIR}/ffmpeg
+set -e # exit immediately if a command exits with a non-zero status
+set -u # treat unset variables as an error
+
+cd ${SRC_DIR}
 
 patch -p1 <${PROJECT_DIR}/patches/ffmpeg-fix-ios-hdr-texture.patch
 
@@ -12,10 +15,10 @@ fi
 
 meson setup build \
     --cross-file ${PROJECT_DIR}/cross-files/${OS}-${ARCH}.ini \
-    --prefix="${PREFIX}"
+    --prefix="${OUTPUT_DIR}"
 
 meson compile -C build ffmpeg
 
 # manual install to preserve symlinks (meson install -C build)
-mkdir -p "${PREFIX}"
-cp -R build/dist"${PREFIX}"/* "${PREFIX}"/
+mkdir -p "${OUTPUT_DIR}"
+cp -R build/dist"${OUTPUT_DIR}"/* "${OUTPUT_DIR}"/
diff --git a/scripts/frameworks/build.sh b/scripts/frameworks/build.sh
index 1beb95f..284c6dd 100644
--- a/scripts/frameworks/build.sh
+++ b/scripts/frameworks/build.sh
@@ -1,11 +1,10 @@
 #!/bin/sh
 
+set -e # exit immediately if a command exits with a non-zero status
+set -u # treat unset variables as an error
+
 if [ "${OS}" == "macos" ]; then
-    sh "${PROJECT_DIR}/scripts/frameworks/macos/create_frameworks.sh" \
-        "${LIBS_DIR}" \
-        "${FRAMEWORKS_DIR}"
+    sh ${PROJECT_DIR}/scripts/frameworks/macos/create_frameworks.sh
 elif [ "${OS}" == "ios" ] || [ "${OS}" == "iossimulator" ]; then
-    sh "${PROJECT_DIR}/scripts/frameworks/ios/create_frameworks.sh" \
-        "${LIBS_DIR}" \
-        "${FRAMEWORKS_DIR}"
+    sh ${PROJECT_DIR}/scripts/frameworks/ios/create_frameworks.sh
 fi
diff --git a/scripts/frameworks/ios/create_frameworks.sh b/scripts/frameworks/ios/create_frameworks.sh
index be536ad..e709a13 100755
--- a/scripts/frameworks/ios/create_frameworks.sh
+++ b/scripts/frameworks/ios/create_frameworks.sh
@@ -1,11 +1,11 @@
 #!/bin/bash
 
-# see: MobileVLCKit cocoapods
+set -e # exit immediately if a command exits with a non-zero status
+set -u # treat unset variables as an error
 
-LIBS_DIR="$1"
-FRAMEWORKS_DIR="$2"
+# see: MobileVLCKit cocoapods
 
-find "${LIBS_DIR}" -name "*.dylib" -type f | while read DYLIB; do
+find ${DEPS} -name "*.dylib" -type f | while read DYLIB; do
     echo "${DYLIB}"
 
     # create framework name: libavcodec.59.dylib -> Avcodec
@@ -13,7 +13,7 @@ find "${LIBS_DIR}" -name "*.dylib" -type f | while read DYLIB; do
     FRAMEWORK_NAME="$(tr '[:lower:]' '[:upper:]' <<<${FRAMEWORK_NAME:0:1})${FRAMEWORK_NAME:1}"
 
     # framework dir
-    FRAMEWORK_DIR="${FRAMEWORKS_DIR}/${FRAMEWORK_NAME}.framework"
+    FRAMEWORK_DIR="${OUTPUT_DIR}/${FRAMEWORK_NAME}.framework"
 
     # determine archs
     ARCHS=$(lipo -archs "${DYLIB}")
@@ -33,6 +33,7 @@ find "${LIBS_DIR}" -name "*.dylib" -type f | while read DYLIB; do
         fi
 
         # if $MIN_OS_VERSION is null or greater than $ARCH_MIN_OS_VERSION replace it
+        MIN_OS_VERSION=
         if [ -z "${MIN_OS_VERSION}" ] || (($(bc -l <<<"${MIN_OS_VERSION} > ${ARCH_MIN_OS_VERSION}"))); then
             MIN_OS_VERSION=${ARCH_MIN_OS_VERSION}
         fi
diff --git a/scripts/frameworks/macos/create_frameworks.sh b/scripts/frameworks/macos/create_frameworks.sh
index 911e470..a323f13 100755
--- a/scripts/frameworks/macos/create_frameworks.sh
+++ b/scripts/frameworks/macos/create_frameworks.sh
@@ -1,12 +1,12 @@
 #!/bin/bash
 
+set -e # exit immediately if a command exits with a non-zero status
+set -u # treat unset variables as an error
+
 # see: VLCKit cocoapods
 # see: https://developer.apple.com/library/archive/documentation/MacOSX/Conceptual/BPFrameworks/Concepts/FrameworkAnatomy.html
 
-LIBS_DIR="$1"
-FRAMEWORKS_DIR="$2"
-
-find "${LIBS_DIR}" -name "*.dylib" -type f | while read DYLIB; do
+find ${DEPS} -name "*.dylib" -type f | while read DYLIB; do
     echo "${DYLIB}"
 
     # create framework name: libavcodec.59.dylib -> Avcodec
@@ -14,7 +14,7 @@ find "${LIBS_DIR}" -name "*.dylib" -type f | while read DYLIB; do
     FRAMEWORK_NAME="$(tr '[:lower:]' '[:upper:]' <<<${FRAMEWORK_NAME:0:1})${FRAMEWORK_NAME:1}"
 
     # framework dir
-    FRAMEWORK_DIR="${FRAMEWORKS_DIR}/${FRAMEWORK_NAME}.framework"
+    FRAMEWORK_DIR="${OUTPUT_DIR}/${FRAMEWORK_NAME}.framework"
 
     # determine archs
     ARCHS=$(lipo -archs "${DYLIB}")
@@ -34,6 +34,7 @@ find "${LIBS_DIR}" -name "*.dylib" -type f | while read DYLIB; do
         fi
 
         # if $MIN_OS_VERSION is null or greater than $ARCH_MIN_OS_VERSION replace it
+        MIN_OS_VERSION=
         if [ -z "${MIN_OS_VERSION}" ] || (($(bc -l <<<"${MIN_OS_VERSION} > ${ARCH_MIN_OS_VERSION}"))); then
             MIN_OS_VERSION=${ARCH_MIN_OS_VERSION}
         fi
diff --git a/scripts/freetype/build.sh b/scripts/freetype/build.sh
index 6d29032..dcd4d53 100644
--- a/scripts/freetype/build.sh
+++ b/scripts/freetype/build.sh
@@ -1,9 +1,12 @@
 #!/bin/sh
 
-cd ${SOURCES_DIR}/freetype
+set -e # exit immediately if a command exits with a non-zero status
+set -u # treat unset variables as an error
+
+cd ${SRC_DIR}
 meson setup build \
     --cross-file ${PROJECT_DIR}/cross-files/${OS}-${ARCH}.ini \
-    --prefix="${PREFIX}" \
+    --prefix="${OUTPUT_DIR}" \
     -Dbrotli=disabled \
     -Dbzip2=disabled \
     -Dharfbuzz=enabled \
diff --git a/scripts/fribidi/build.sh b/scripts/fribidi/build.sh
index 8558ca5..1dae4c4 100644
--- a/scripts/fribidi/build.sh
+++ b/scripts/fribidi/build.sh
@@ -1,9 +1,12 @@
 #!/bin/sh
 
-cd ${SOURCES_DIR}/fribidi
+set -e # exit immediately if a command exits with a non-zero status
+set -u # treat unset variables as an error
+
+cd ${SRC_DIR}
 meson setup build \
     --cross-file ${PROJECT_DIR}/cross-files/${OS}-${ARCH}.ini \
-    --prefix="${PREFIX}" \
+    --prefix="${OUTPUT_DIR}" \
     -Ddeprecated=false \
     -Ddocs=false \
     -Dbin=false \
diff --git a/scripts/harfbuzz/build.sh b/scripts/harfbuzz/build.sh
index 6ef0b9c..0898230 100644
--- a/scripts/harfbuzz/build.sh
+++ b/scripts/harfbuzz/build.sh
@@ -1,9 +1,12 @@
 #!/bin/sh
 
-cd ${SOURCES_DIR}/harfbuzz
+set -e # exit immediately if a command exits with a non-zero status
+set -u # treat unset variables as an error
+
+cd ${SRC_DIR}
 meson setup build \
     --cross-file ${PROJECT_DIR}/cross-files/${OS}-${ARCH}.ini \
-    --prefix="${PREFIX}" \
+    --prefix="${OUTPUT_DIR}" \
     -Dglib=disabled \
     -Dgobject=disabled \
     -Dcairo=disabled \
diff --git a/scripts/libass/build.sh b/scripts/libass/build.sh
index e3b99a3..b19120d 100644
--- a/scripts/libass/build.sh
+++ b/scripts/libass/build.sh
@@ -1,14 +1,17 @@
 #!/bin/sh
 
-cd ${SOURCES_DIR}/libass
+set -e # exit immediately if a command exits with a non-zero status
+set -u # treat unset variables as an error
+
+cd ${SRC_DIR}
 
 cp ${PROJECT_DIR}/scripts/libass/meson.build ./meson.build
 meson setup build \
     --cross-file ${PROJECT_DIR}/cross-files/${OS}-${ARCH}.ini \
-    --prefix="${PREFIX}"
+    --prefix="${OUTPUT_DIR}"
 
 meson compile -C build libass
 
 # manual install to preserve symlinks (meson install -C build)
-mkdir -p "${PREFIX}"
-cp -R build/dist"${PREFIX}"/* "${PREFIX}"/
+mkdir -p "${OUTPUT_DIR}"
+cp -R build/dist"${OUTPUT_DIR}"/* "${OUTPUT_DIR}"/
diff --git a/scripts/libressl/build.sh b/scripts/libressl/build.sh
index fcf6034..0e6341c 100644
--- a/scripts/libressl/build.sh
+++ b/scripts/libressl/build.sh
@@ -1,17 +1,20 @@
 #!/bin/sh
 
-cd ${SOURCES_DIR}/libressl
+set -e # exit immediately if a command exits with a non-zero status
+set -u # treat unset variables as an error
+
+cd ${SRC_DIR}
 
 cp ${PROJECT_DIR}/scripts/libressl/meson.build ./meson.build
 meson setup build \
     --cross-file ${PROJECT_DIR}/cross-files/${OS}-${ARCH}.ini \
-    --prefix="${PREFIX}"
+    --prefix="${OUTPUT_DIR}"
 
 meson compile -C build libressl
 
 # fix file permissions
-chmod 755 build/dist"${PREFIX}"/lib/*
+chmod 755 build/dist"${OUTPUT_DIR}"/lib/*
 
 # manual install to preserve symlinks (meson install -C build)
-mkdir -p "${PREFIX}"
-cp -R build/dist"${PREFIX}"/* "${PREFIX}"/
+mkdir -p "${OUTPUT_DIR}"
+cp -R build/dist"${OUTPUT_DIR}"/* "${OUTPUT_DIR}"/
diff --git a/scripts/libs-arch/build.sh b/scripts/libs-arch/build.sh
new file mode 100644
index 0000000..e734c8c
--- /dev/null
+++ b/scripts/libs-arch/build.sh
@@ -0,0 +1,33 @@
+#!/bin/sh
+
+set -e # exit immediately if a command exits with a non-zero status
+set -u # treat unset variables as an error
+
+# copy dylibs except '*-subset.*.dylib'
+for DEP in ${DEPS}; do
+    find ${DEP}/lib \
+        -type f -name '*.dylib' \
+        ! -name '*-subset.*.dylib' \
+        -exec \
+        cp "{}" "${OUTPUT_DIR}" \
+        \;
+done
+
+# libfoo.100.99.88.dylib -> libfoo.100.dylib
+find ${OUTPUT_DIR} -type f -name '*.dylib' -exec \
+    sh -c 'mv "{}" $(echo "{}" | sed -r "s|([0-9]+)(\.[0-9]+)*|\1|g")' \
+    \;
+
+# rename libmpv file
+mv ${OUTPUT_DIR}/libmpv.*.dylib ${OUTPUT_DIR}/libmpv.dylib
+install_name_tool -id @rpath/libmpv.dylib ${OUTPUT_DIR}/libmpv.dylib
+
+# fix deps paths
+${PROJECT_DIR}/scripts/libs-arch/relink_dylibs.sh ${PROJECT_DIR} @rpath ${OUTPUT_DIR}
+
+# remove signatures
+codesign --remove ${OUTPUT_DIR}/*.dylib
+
+if [ "${OS}" == "iossimulator" ] && [ "${ARCH}" == "arm64" ]; then
+    sh ${PROJECT_DIR}/scripts/libs-arch/ios/fix_iossimulator_arm64.sh ${OUTPUT_DIR}
+fi
diff --git a/scripts/libs/ios/fix_iossimulator_arm64.sh b/scripts/libs-arch/ios/fix_iossimulator_arm64.sh
similarity index 86%
rename from scripts/libs/ios/fix_iossimulator_arm64.sh
rename to scripts/libs-arch/ios/fix_iossimulator_arm64.sh
index dea2c5a..4217219 100644
--- a/scripts/libs/ios/fix_iossimulator_arm64.sh
+++ b/scripts/libs-arch/ios/fix_iossimulator_arm64.sh
@@ -1,5 +1,8 @@
 #!/bin/sh
 
+set -e # exit immediately if a command exits with a non-zero status
+set -u # treat unset variables as an error
+
 # The Apple sdk for the arm64 simulator produces dylib whose platform in the
 # headers is `IOS` and not `IOSSIMULATOR`. This is wrong.
 # So, this script replaces the platform header with `IOSSIMULATOR`.
diff --git a/scripts/libs/relink_dylibs.sh b/scripts/libs-arch/relink_dylibs.sh
similarity index 89%
rename from scripts/libs/relink_dylibs.sh
rename to scripts/libs-arch/relink_dylibs.sh
index ab3fcc4..899554f 100755
--- a/scripts/libs/relink_dylibs.sh
+++ b/scripts/libs-arch/relink_dylibs.sh
@@ -1,5 +1,7 @@
 #!/bin/sh
-set -e
+
+set -e # exit immediately if a command exits with a non-zero status
+set -u # treat unset variables as an error
 
 # relink_dylibs updates the dependency paths of dynamic libraries by replacing a
 # source prefix with a target prefix
@@ -40,7 +42,7 @@ relink_dylibs() {
 }
 
 SOURCE_PREFIX=$1
-TARGET_PREFIX="@rpath"
-DIR=$2
+TARGET_PREFIX=$2
+DIR=$3
 
 relink_dylibs "$SOURCE_PREFIX" "$TARGET_PREFIX" "$DIR"
diff --git a/scripts/libs/build-arch.sh b/scripts/libs/build-arch.sh
new file mode 100644
index 0000000..0f673be
--- /dev/null
+++ b/scripts/libs/build-arch.sh
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+set -e # exit immediately if a command exits with a non-zero status
+set -u # treat unset variables as an error
+
+# copy dylibs
+for DEP in ${DEPS}; do
+    find ${DEP} \
+        -type f -name '*.dylib' \
+        -exec \
+        cp "{}" "${OUTPUT_DIR}" \
+        \;
+done
diff --git a/scripts/libs/build-universal.sh b/scripts/libs/build-universal.sh
index 2c618bd..d26d3b9 100644
--- a/scripts/libs/build-universal.sh
+++ b/scripts/libs/build-universal.sh
@@ -1,12 +1,33 @@
 #!/bin/sh
 
-mkdir -p "${LIBS_UNIVERSAL_DIR}"
+set -e # exit immediately if a command exits with a non-zero status
+set -u # treat unset variables as an error
 
-find "${LIBS_ARCH1_DIR}" -name "*.dylib" -type f | while read DYLIB_ARCH1; do
-    DYLIB_ARCH2=$(echo "${DYLIB_ARCH1}" | sed -r "s|${ARCH1}|${ARCH2}|g")
-    DYLIB_UNIVERSAL=$(echo "${DYLIB_ARCH1}" | sed -r "s|${ARCH1}|universal|g")
+get_element() {
+    str="$1"
+    n="$2"
+
+    i=1
+    for word in $str; do
+        if [ "$i" -eq "$n" ]; then
+            echo "$word"
+            return
+        fi
+        i=$((i + 1))
+    done
+}
+
+DEP=$(get_element "$DEPS" 1)
+
+find ${DEP} -name '*.dylib' -type f | while read DYLIB_ARCH; do
+    DYLIB_ARCH1=$(echo ${DYLIB_ARCH} | sed -r "s|amd64|arm64|g")
+    DYLIB_ARCH2=$(echo ${DYLIB_ARCH} | sed -r "s|arm64|amd64|g")
+    DYLIB_NAME=$(basename ${DYLIB_ARCH1})
+    DYLIB_OUTPUT=${OUTPUT_DIR}/${DYLIB_NAME}
+
+    echo ${DYLIB_OUTPUT}
 
     lipo \
         -create "${DYLIB_ARCH1}" "${DYLIB_ARCH2}" \
-        -output "${DYLIB_UNIVERSAL}"
+        -output "${DYLIB_OUTPUT}"
 done
diff --git a/scripts/libs/build.sh b/scripts/libs/build.sh
index fdc067c..00e2d64 100644
--- a/scripts/libs/build.sh
+++ b/scripts/libs/build.sh
@@ -1,28 +1,10 @@
 #!/bin/sh
 
-rm -rf "${LIBS_DIR}"
-mkdir -p "${LIBS_DIR}"
+set -e # exit immediately if a command exits with a non-zero status
+set -u # treat unset variables as an error
 
-# copy dylibs except '*-subset.*.dylib'
-find "${PREFIX}/lib" \
-    -type f -name '*.dylib' \
-    ! -name '*-subset.*.dylib' \
-    -exec \
-    cp "{}" "${LIBS_DIR}" \
-    \;
-
-# libfoo.100.99.88.dylib -> libfoo.100.dylib
-find ${LIBS_DIR} -type f -name '*.dylib' -exec \
-    sh -c 'mv "{}" $(echo "{}" | sed -r "s|([0-9]+)(\.[0-9]+)*|\1|g")' \
-    \;
-
-mv "${LIBS_DIR}"/libmpv.*.dylib "${LIBS_DIR}/libmpv.dylib"
-install_name_tool -id @rpath/libmpv.dylib "${LIBS_DIR}/libmpv.dylib"
-
-./scripts/libs/relink_dylibs.sh "${PREFIX}/lib" "${LIBS_DIR}"
-
-codesign --remove "${LIBS_DIR}"/*.dylib
-
-if [ "${OS}" == "iossimulator" ] && [ "${ARCH}" == "arm64" ]; then
-    sh "${PROJECT_DIR}/scripts/libs/ios/fix_iossimulator_arm64.sh" "${LIBS_DIR}"
+if [ "${ARCH}" == "universal" ]; then
+    sh ${PROJECT_DIR}/scripts/libs/build-universal.sh
+else
+    sh ${PROJECT_DIR}/scripts/libs/build-arch.sh
 fi
diff --git a/scripts/links/build.sh b/scripts/links/build.sh
index e81eb10..de52246 100644
--- a/scripts/links/build.sh
+++ b/scripts/links/build.sh
@@ -1,6 +1,9 @@
 #!/bin/sh
 
-mkdir -p ${TOOLS_PREFIX}/bin
+set -e # exit immediately if a command exits with a non-zero status
+set -u # treat unset variables as an error
+
+mkdir -p ${OUTPUT_DIR}/bin
 
 # check BINARY presence in PATH
 for BINARY in ${BINARIES}; do
@@ -11,7 +14,7 @@ done
 
 # sym link BINARY
 for BINARY in ${BINARIES}; do
-    [ ! -h ${TOOLS_PREFIX}/bin/$BINARY ] &&
-        ln -s $(which $BINARY) ${TOOLS_PREFIX}/bin/$BINARY ||
+    [ ! -h ${OUTPUT_DIR}/bin/$BINARY ] &&
+        ln -s $(which $BINARY) ${OUTPUT_DIR}/bin/$BINARY ||
         true
 done
diff --git a/scripts/links/status.sh b/scripts/links/status.sh
deleted file mode 100644
index 641d830..0000000
--- a/scripts/links/status.sh
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/bin/sh
-
-# check BINARY presence in \$TOOLS_PREFIX/bin
-for BINARY in ${BINARIES}; do
-    test -f ${TOOLS_PREFIX}/bin/$BINARY
-done
diff --git a/scripts/mpv/build.sh b/scripts/mpv/build.sh
index abfa332..bc6b4a4 100644
--- a/scripts/mpv/build.sh
+++ b/scripts/mpv/build.sh
@@ -1,6 +1,9 @@
 #!/bin/bash
 
-cd ${SOURCES_DIR}/mpv
+set -e # exit immediately if a command exits with a non-zero status
+set -u # treat unset variables as an error
+
+cd ${SRC_DIR}
 
 if [ "${VARIANT}" == "audio" ]; then
     patch -p1 <${PROJECT_DIR}/patches/mpv-remove-libass.patch
@@ -73,7 +76,7 @@ fi
 
 meson setup build \
     --cross-file ${PROJECT_DIR}/cross-files/${OS}-${ARCH}.ini \
-    --prefix="${PREFIX}" \
+    --prefix="${OUTPUT_DIR}" \
     `# booleans` \
     -Dgpl=false `# GPL (version 2 or later) build` \
     -Dcplayer=false `# mpv CLI player` \
diff --git a/scripts/pkg-config/build.sh b/scripts/pkg-config/build.sh
index 0079900..d63f487 100644
--- a/scripts/pkg-config/build.sh
+++ b/scripts/pkg-config/build.sh
@@ -1,14 +1,17 @@
 #!/bin/sh
 
-cd ${TOOLS_SOURCES_DIR}/pkg-config
+set -e # exit immediately if a command exits with a non-zero status
+set -u # treat unset variables as an error
+
+cd ${SRC_DIR}
 
 cp ${PROJECT_DIR}/scripts/pkg-config/meson.build ./meson.build
 meson setup build \
     --cross-file ${PROJECT_DIR}/cross-files/${OS}-${ARCH}.ini \
-    --prefix="${TOOLS_PREFIX}"
+    --prefix="${OUTPUT_DIR}"
 
 meson compile -C build pkg-config
 
 # manual install to preserve symlinks (meson install -C build)
-mkdir -p "${TOOLS_PREFIX}"
-cp -R build/dist"${TOOLS_PREFIX}"/* "${TOOLS_PREFIX}"/
+mkdir -p "${OUTPUT_DIR}"
+cp -R build/dist"${OUTPUT_DIR}"/* "${OUTPUT_DIR}"/
diff --git a/scripts/uchardet/build.sh b/scripts/uchardet/build.sh
index 346c3a8..5dd0087 100644
--- a/scripts/uchardet/build.sh
+++ b/scripts/uchardet/build.sh
@@ -1,29 +1,32 @@
 #!/bin/sh
 
-cd ${SOURCES_DIR}/uchardet
+set -e # exit immediately if a command exits with a non-zero status
+set -u # treat unset variables as an error
+
+cd ${SRC_DIR}
 
 # cross build with meson
 cp ${PROJECT_DIR}/scripts/uchardet/meson.build ./meson.build
 meson setup build_cross \
     --cross-file ${PROJECT_DIR}/cross-files/${OS}-${ARCH}.ini \
-    --prefix="${PREFIX}"
+    --prefix="${OUTPUT_DIR}"
 meson compile -C build_cross uchardet
 
 # native build with cmake
 cmake ./subprojects/uchardet \
     -B build_native \
-    -DCMAKE_INSTALL_PREFIX="${PREFIX}" \
+    -DCMAKE_INSTALL_PREFIX="${OUTPUT_DIR}" \
     -DBUILD_STATIC=OFF
 make -C build_native
 DESTDIR=$PWD/dist make -C build_native install
 
 # remove unecessary files
-rm -rf "dist/${PREFIX}/bin"
-rm -rf "dist/${PREFIX}/lib/cmake"
-rm -rf "dist/${PREFIX}/share"
+rm -rf "dist/${OUTPUT_DIR}/bin"
+rm -rf "dist/${OUTPUT_DIR}/lib/cmake"
+rm -rf "dist/${OUTPUT_DIR}/share"
 
 # get dylib id
-DYLIB_FILE=$(find "dist${PREFIX}/lib" -type f -name '*.dylib')
+DYLIB_FILE=$(find "dist${OUTPUT_DIR}/lib" -type f -name '*.dylib')
 DYLIB_ID=$(otool -l "$DYLIB_FILE" | grep ' name ' | cut -d ' ' -f 11 | head -n +1)
 
 # replace native dylib by cross dylib & update id
@@ -31,5 +34,5 @@ cp 'build_cross/subprojects/uchardet/liblibuchardet.dylib' "$DYLIB_FILE"
 install_name_tool -id "$DYLIB_ID" "$DYLIB_FILE"
 
 # manual install to preserve symlinks
-mkdir -p "${PREFIX}"
-cp -R dist"${PREFIX}"/* "${PREFIX}"/
+mkdir -p "${OUTPUT_DIR}"
+cp -R dist"${OUTPUT_DIR}"/* "${OUTPUT_DIR}"/
diff --git a/scripts/xcframeworks/build-generic.sh b/scripts/xcframeworks/build-generic.sh
new file mode 100755
index 0000000..e590f44
--- /dev/null
+++ b/scripts/xcframeworks/build-generic.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+set -e # exit immediately if a command exits with a non-zero status
+set -u # treat unset variables as an error
+
+find ${DEPS} -name '*.framework' -type d | while read FRAMEWORK; do
+    FRAMEWORK_NAME=$(basename $FRAMEWORK .framework)
+
+    echo ${FRAMEWORK_NAME}
+
+    xcodebuild -create-xcframework \
+        -framework ${FRAMEWORK} \
+        -output ${OUTPUT_DIR}/${FRAMEWORK_NAME}.xcframework
+done
diff --git a/scripts/xcframeworks/build-ios.sh b/scripts/xcframeworks/build-ios.sh
new file mode 100755
index 0000000..82075b1
--- /dev/null
+++ b/scripts/xcframeworks/build-ios.sh
@@ -0,0 +1,35 @@
+#!/bin/sh
+
+set -e # exit immediately if a command exits with a non-zero status
+set -u # treat unset variables as an error
+
+get_element() {
+    str="$1"
+    n="$2"
+
+    i=1
+    for word in $str; do
+        if [ "$i" -eq "$n" ]; then
+            echo "$word"
+            return
+        fi
+        i=$((i + 1))
+    done
+}
+
+DEP1=$(get_element "$DEPS" 1)
+DEP2=$(get_element "$DEPS" 2)
+
+find ${DEP1} -name "*.framework" -type d | while read FRAMEWORK; do
+    FRAMEWORK_NAME=$(basename "$FRAMEWORK" .framework)
+    FRAMEWORK_OS1=${DEP1}/${FRAMEWORK_NAME}.framework
+    FRAMEWORK_OS2=${DEP2}/${FRAMEWORK_NAME}.framework
+    FRAMEWORK_OUTPUT=${OUTPUT_DIR}/${FRAMEWORK_NAME}.xcframework
+
+    echo ${FRAMEWORK_NAME}
+
+    xcodebuild -create-xcframework \
+        -framework ${FRAMEWORK_OS1} \
+        -framework ${FRAMEWORK_OS2} \
+        -output ${FRAMEWORK_OUTPUT}
+done
diff --git a/scripts/xcframeworks/build.sh b/scripts/xcframeworks/build.sh
new file mode 100644
index 0000000..c746475
--- /dev/null
+++ b/scripts/xcframeworks/build.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+set -e # exit immediately if a command exits with a non-zero status
+set -u # treat unset variables as an error
+
+if [ "${OS}" == "ios" ]; then
+    sh ${PROJECT_DIR}/scripts/xcframeworks/build-ios.sh
+else
+    sh ${PROJECT_DIR}/scripts/xcframeworks/build-generic.sh
+fi
diff --git a/scripts/xcframeworks/ios/create_xcframeworks.sh b/scripts/xcframeworks/ios/create_xcframeworks.sh
deleted file mode 100755
index 4d8e3f9..0000000
--- a/scripts/xcframeworks/ios/create_xcframeworks.sh
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/bin/sh
-
-find "${FRAMEWORKS_IOS_DIR}" -name "*.framework" -type d | while read FRAMEWORK_IOS; do
-    FRAMEWORK_IOSSIMULATOR=$(echo "${FRAMEWORK_IOS}" | sed 's/ios/iossimulator'/g | sed 's/arm64/universal'/g)
-    FRAMEWORK_NAME=$(basename "$FRAMEWORK_IOS" .framework)
-
-    echo "${FRAMEWORK_NAME}"
-
-    xcodebuild -create-xcframework \
-        -framework "${FRAMEWORK_IOS}" \
-        -framework "${FRAMEWORK_IOSSIMULATOR}" \
-        -output "${XCFRAMEWORKS_DIR}/${FRAMEWORK_NAME}.xcframework"
-done
diff --git a/scripts/xcframeworks/macos/create_xcframeworks.sh b/scripts/xcframeworks/macos/create_xcframeworks.sh
deleted file mode 100755
index 5e0ce3c..0000000
--- a/scripts/xcframeworks/macos/create_xcframeworks.sh
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/bin/sh
-
-find "${FRAMEWORKS_MACOS_DIR}" -name "*.framework" -type d | while read FRAMEWORK_MACOS; do
-    FRAMEWORK_NAME=$(basename "$FRAMEWORK_MACOS" .framework)
-
-    echo "${FRAMEWORK_NAME}"
-
-    xcodebuild -create-xcframework \
-        -framework "${FRAMEWORK_MACOS}" \
-        -output "${XCFRAMEWORKS_DIR}/${FRAMEWORK_NAME}.xcframework"
-done