sub makefiles: standardize names and add to build-pkg

1 files changed, 126 insertions, 0 deletions

diff --git a/mxe.patch.mk b/mxe.patch.mk
new file mode 100644
index 0000000..3daa878
--- /dev/null
+++ b/mxe.patch.mk
@@ -0,0 +1,126 @@
+# This file is part of MXE. See LICENSE.md for licensing information.
+
+GIT_DIR = $(if $(patsubst .,,$($(1)_SUBDIR)) \
+    ,$(GITS_DIR)/$($(1)_SUBDIR),$(GITS_DIR)/$(1))
+
+GIT_CMD = git \
+    --work-tree='$(call GIT_DIR,$(1))' \
+    --git-dir='$(call GIT_DIR,$(1))'/.git
+
+PATCH_NAME = 1-fixes
+
+# can't use PKG_PATCHES here, because it returns existing patches
+# while export-patch creates new patch
+PATCH_BY_NAME = $(patsubst %.mk,%-$(2).patch,$($(1)_MAKEFILE))
+
+define INIT_GIT
+    # unpack to gits/tmp/pkg
+    rm -rf '$(GITS_DIR)/tmp'
+    mkdir -p '$(GITS_DIR)/tmp/$(1)'
+    cd '$(GITS_DIR)/tmp/$(1)' && $(call UNPACK_PKG_ARCHIVE,$(1))
+    # if PKG_SUBDIR is ".", the following will move gits/tmp/pkg
+    mv '$(abspath $(GITS_DIR)/tmp/$(1)/$($(1)_SUBDIR))' '$(call GIT_DIR,$(1))'
+    rm -rf '$(GITS_DIR)/tmp'
+    # rename existing .git directories if any
+    find '$(call GIT_DIR,$(1))' -name .git -prune -exec sh -c 'mv "$$0" "$$0"_' {} \;
+    # initialize git
+    $(call GIT_CMD,$(1)) init
+    $(call GIT_CMD,$(1)) add -A
+    $(call GIT_CMD,$(1)) commit -m "init"
+    $(call GIT_CMD,$(1)) tag dist
+endef
+
+define IMPORT_PATCH
+    cd '$(call GIT_DIR,$(1))' \
+        && cat '$(2)' \
+        | $(SED) '/^From/,$$  !d' \
+        | $(SED) s/'^From: MXE'/"From: fix@me"/'g;' \
+        | $(call GIT_CMD,$(1)) am --keep-cr ;
+endef
+
+define EXPORT_PATCH
+    cd '$(call GIT_DIR,$(1))' \
+    && ( \
+        echo 'This file is part of MXE. See LICENSE.md for licensing information.'; \
+        echo ''; \
+        echo 'Contains ad hoc patches for cross building.'; \
+        echo ''; \
+        $(call GIT_CMD,$(1)) format-patch \
+            --numbered \
+            -p \
+            --no-signature \
+            --stdout \
+            --text \
+            -M9 \
+            dist..HEAD \
+        | $(SED) 's/^From [0-9a-f]\{40\} /From 0000000000000000000000000000000000000000 /' \
+        | $(SED) 's/^index .......\.\......../index 1111111..2222222/' \
+    ) > '$(PATCH_BY_NAME)'
+endef
+
+_init-git-%: TIMESTAMP = patch
+_init-git-%: download-only-%
+	$(if $(call set_is_member,$*,$(PKGS)), \
+	    $(if $(wildcard $(call GIT_DIR,$*)), \
+	        $(error $(call GIT_DIR,$*) already exists), \
+	        $(call INIT_GIT,$*)), \
+	    $(error Package $* not found))
+
+_import-patch-%:
+	$(if $(call set_is_member,$*,$(PKGS)), \
+	    $(if $(wildcard $(call GIT_DIR,$*)), \
+	        $(call IMPORT_PATCH,$*,$(call PATCH_BY_NAME,$*,$(PATCH_NAME))), \
+	        $(error $(call GIT_DIR,$*) does not exist)), \
+	    $(error Package $* not found))
+
+_import-all-patches-%:
+	$(if $(call set_is_member,$*,$(PKGS)), \
+	    $(if $(wildcard $(call GIT_DIR,$*)), \
+	        $(foreach PKG_PATCH,$(call PKG_PATCHES,$*), \
+	            $(call IMPORT_PATCH,$*,$(PKG_PATCH))), \
+	        $(error $(call GIT_DIR,$*) does not exist)), \
+	    $(error Package $* not found))
+
+_export-patch-%:
+	$(if $(call set_is_member,$*,$(PKGS)), \
+	    $(if $(wildcard $(call GIT_DIR,$*)), \
+	        $(call EXPORT_PATCH,$*,$(PATCH_NAME)), \
+	        $(error $(call GIT_DIR,$*) does not exist)), \
+	    $(error Package $* not found))
+
+# use .SECONDARY: when refreshing all patches if you don't
+# want to unpack everything every time
+#.SECONDARY:
+init-git-%: $(PREFIX)/installed/patch/init-git-% ;
+import-patch-%: $(PREFIX)/installed/patch/import-patch-% ;
+import-all-patches-%: $(PREFIX)/installed/patch/import-all-patches-% ;
+export-patch-%: $(PREFIX)/installed/patch/export-patch-% ;
+
+refresh-patch-%: $(PREFIX)/installed/patch/refresh-patch-% ;
+$(PREFIX)/installed/patch/refresh-patch-%:
+	@rm -rf $(PWD)/tmp-patch/$*
+	@$(MAKE) -f '$(MAKEFILE)' init-git-$*     GITS_DIR=$(PWD)/tmp-patch/$*
+	@$(MAKE) -f '$(MAKEFILE)' import-patch-$* GITS_DIR=$(PWD)/tmp-patch/$*
+	@$(MAKE) -f '$(MAKEFILE)' export-patch-$* GITS_DIR=$(PWD)/tmp-patch/$*
+	@# darwin sometimes chokes deleting large git repos
+	@rm -rf $(PWD)/tmp-patch/$* || sleep 5; rm -rf $(PWD)/tmp-patch/$*
+	+@mkdir -p '$(dir $@)'
+	@touch '$@'
+
+$(PREFIX)/installed/patch/%:
+	@echo '[$*]'
+	@[ -d '$(LOG_DIR)/patch' ] || mkdir -p '$(LOG_DIR)/patch'
+	@(time $(MAKE) -f '$(MAKEFILE)' _$*) &> '$(LOG_DIR)/patch/$*'
+	+@mkdir -p '$(dir $@)'
+	@touch '$@'
+
+
+PATCH_FORMAT_PATCHES := $(shell find $(MXE_PLUGIN_DIRS) plugins -name "*-$(PATCH_NAME).patch")
+PATCH_FORMAT_PKGS    := $(sort $(subst -$(PATCH_NAME),,$(basename $(notdir $(PATCH_FORMAT_PATCHES)))))
+PATCH_FORMAT_DIRS    := $(sort $(basename $(dir $(PATCH_FORMAT_PATCHES))))
+
+.PHONY: refresh-patches
+refresh-patches:
+	@$(MAKE) -f '$(MAKEFILE)' -j '$(JOBS)'\
+	    $(addprefix refresh-patch-,$(PATCH_FORMAT_PKGS)) \
+	    MXE_PLUGIN_DIRS='$(PATCH_FORMAT_DIRS)'