ldgen: fix issue when not built in msys2

Closes https://github.com/espressif/esp-idf/issues/2812

make/ldgen.mk

@@ -7,17 +7,26 @@ LDGEN_FRAGMENT_FILES = $(COMPONENT_LDFRAGMENTS)
 # the components
 define ldgen_process_template
 $(BUILD_DIR_BASE)/ldgen.section_infos: $(LDGEN_SECTIONS_INFO_FILES) $(IDF_PATH)/make/ldgen.mk
-	printf "$(foreach section_info,$(LDGEN_SECTIONS_INFO_FILES),$(section_info)\n)" > $(BUILD_DIR_BASE)/ldgen.section_infos
-	sed -E -i.bak 's|^[[:blank:]]*||g' $(BUILD_DIR_BASE)/ldgen.section_infos
-	rm $(BUILD_DIR_BASE)/ldgen.section_infos.bak
 ifeq ($(OS), Windows_NT)
-	mv $(BUILD_DIR_BASE)/ldgen.section_infos $(BUILD_DIR_BASE)/ldgen.section_infos.temp
-	cygpath -w -f $(BUILD_DIR_BASE)/ldgen.section_infos.temp > $(BUILD_DIR_BASE)/ldgen.section_infos
-	rm -f $(BUILD_DIR_BASE)/ldgen.section_infos.temp
+	printf "$(foreach info,$(LDGEN_SECTIONS_INFO_FILES),$(subst \,/,$(shell cygpath -w $(info)))\n)" > $(BUILD_DIR_BASE)/ldgen.section_infos
+else
+	printf "$(foreach info,$(LDGEN_SECTIONS_INFO_FILES),$(info)\n)" > $(BUILD_DIR_BASE)/ldgen.section_infos
 endif
 
 $(2): $(1) $(LDGEN_FRAGMENT_FILES) $(SDKCONFIG) $(BUILD_DIR_BASE)/ldgen.section_infos
 	@echo 'Generating $(notdir $(2))'
+ifeq ($(OS), Windows_NT)
+	$(PYTHON) $(IDF_PATH)/tools/ldgen/ldgen.py \
+		--input         $(1) \
+		--config        $(SDKCONFIG) \
+		--fragments     $(LDGEN_FRAGMENT_FILES) \
+		--output        $(2) \
+		--sections      $(BUILD_DIR_BASE)/ldgen.section_infos \
+		--kconfig       $(IDF_PATH)/Kconfig \
+		--env           "COMPONENT_KCONFIGS=$(foreach k, $(COMPONENT_KCONFIGS), $(shell cygpath -w $(k)))" \
+		--env           "COMPONENT_KCONFIGS_PROJBUILD=$(foreach k, $(COMPONENT_KCONFIGS_PROJBUILD), $(shell cygpath -w $(k)))" \
+		--env           "IDF_CMAKE=n"
+else
 	$(PYTHON) $(IDF_PATH)/tools/ldgen/ldgen.py \
 		--input         $(1) \
 		--config        $(SDKCONFIG) \
@@ -28,6 +37,7 @@ $(2): $(1) $(LDGEN_FRAGMENT_FILES) $(SDKCONFIG) $(BUILD_DIR_BASE)/ldgen.section_
 		--env           "COMPONENT_KCONFIGS=$(COMPONENT_KCONFIGS)" \
 		--env           "COMPONENT_KCONFIGS_PROJBUILD=$(COMPONENT_KCONFIGS_PROJBUILD)" \
 		--env           "IDF_CMAKE=n"
+endif
 endef
 
 define ldgen_create_commands