| # Copyright (C) 2009 The Android Open Source Project |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| # Functions related to file and directory creation |
| # |
| |
| # ----------------------------------------------------------------------------- |
| # Function : generate-dir |
| # Arguments: 1: directory path |
| # Returns : Generate a rule, but not dependency, to create a directory with |
| # host-mkdir. |
| # Usage : $(call generate-dir,<path>) |
| # ----------------------------------------------------------------------------- |
| define ev-generate-dir |
| __build_dir := $1 |
| ifeq (,$$(__build_dir_flag__$$(__build_dir))) |
| # Note that the following doesn't work because path in windows may contain |
| # ':' if ndk-build is called inside jni/ directory when path is expanded |
| # to full-path, eg. C:/path/to/project/jni/ |
| # |
| # __build_dir_flag__$1 := true |
| # |
| __build_dir_flag__$$(__build_dir) := true |
| $1: |
| @$$(call host-mkdir,$$@) |
| endif |
| endef |
| |
| generate-dir = $(eval $(call ev-generate-dir,$1)) |
| |
| # ----------------------------------------------------------------------------- |
| # Function : generate-file-dir |
| # Arguments: 1: file path |
| # Returns : Generate a dependency and a rule to ensure that the parent |
| # directory of the input file path will be created before it. |
| # This is used to enforce a call to host-mkdir. |
| # Usage : $(call generate-file-dir,<file>) |
| # Rationale: Many object files will be stored in the same output directory. |
| # Introducing a dependency on the latter avoids calling mkdir -p |
| # for every one of them. |
| # |
| # ----------------------------------------------------------------------------- |
| |
| define ev-generate-file-dir |
| __build_file_dir := $(call parent-dir,$1) |
| $$(call generate-dir,$$(__build_file_dir)) |
| $1:| $$(__build_file_dir) |
| endef |
| |
| generate-file-dir = $(eval $(call ev-generate-file-dir,$1)) |
| |
| # ----------------------------------------------------------------------------- |
| # Function : generate-list-file |
| # Arguments: 1: list of strings (possibly very long) |
| # 2: file name |
| # Returns : write the content of a possibly very long string list to a file. |
| # this shall be used in commands and will work around limitations |
| # of host command-line lengths. |
| # Usage : $(call host-echo-to-file,<string-list>,<file>) |
| # Rationale: When there is a very large number of objects and/or libraries at |
| # link time, the size of the command becomes too large for the |
| # host system's maximum. Various tools however support the |
| # @<listfile> syntax, where <listfile> is the path of a file |
| # which content will be parsed as if they were options. |
| # |
| # This function is used to generate such a list file from a long |
| # list of strings in input. |
| # |
| # ----------------------------------------------------------------------------- |
| |
| # Helper functions because the GNU Make $(word ...) function does |
| # not accept a 0 index, so we need to bump any of these to 1 when |
| # we find them. |
| # |
| index-is-zero = $(filter 0 00 000 0000 00000 000000 0000000,$1) |
| bump-0-to-1 = $(if $(call index-is-zero,$1),1,$1) |
| |
| -test-bump-0-to-1 = \ |
| $(call test-expect,$(call bump-0-to-1))\ |
| $(call test-expect,1,$(call bump-0-to-1,0))\ |
| $(call test-expect,1,$(call bump-0-to-1,1))\ |
| $(call test-expect,2,$(call bump-0-to-1,2))\ |
| $(call test-expect,1,$(call bump-0-to-1,00))\ |
| $(call test-expect,1,$(call bump-0-to-1,000))\ |
| $(call test-expect,1,$(call bump-0-to-1,0000))\ |
| $(call test-expect,1,$(call bump-0-to-1,00000))\ |
| $(call test-expect,1,$(call bump-0-to-1,000000))\ |
| $(call test-expect,10,$(call bump-0-to-1,10))\ |
| $(call test-expect,100,$(call bump-0-to-1,100)) |
| |
| # Same as $(wordlist ...) except the start index, if 0, is bumped to 1 |
| index-word-list = $(wordlist $(call bump-0-to-1,$1),$2,$3) |
| |
| -test-index-word-list = \ |
| $(call test-expect,,$(call index-word-list,1,1))\ |
| $(call test-expect,a b,$(call index-word-list,0,2,a b c d))\ |
| $(call test-expect,b c,$(call index-word-list,2,3,a b c d))\ |
| |
| # NOTE: With GNU Make $1 and $(1) are equivalent, which means |
| # that $10 is equivalent to $(1)0, and *not* $(10). |
| |
| # Used to generate a slice of up to 10 items starting from index $1, |
| # If $1 is 0, it will be bumped to 1 (and only 9 items will be printed) |
| # $1: start (tenth) index. Can be 0 |
| # $2: word list |
| # |
| define list-file-start-gen-10 |
| $$(hide) $$(BUILD_HOST_ECHO_N) "$(call index-word-list,$10,$19,$2) " >> $$@ |
| endef |
| |
| # Used to generate a slice of always 10 items starting from index $1 |
| # $1: start (tenth) index. CANNOT BE 0 |
| # $2: word list |
| define list-file-always-gen-10 |
| $$(hide) $$(BUILD_HOST_ECHO_N) "$(wordlist $10,$19,$2) " >> $$@ |
| endef |
| |
| # Same as list-file-always-gen-10, except that the word list might be |
| # empty at position $10 (i.e. $(1)0) |
| define list-file-maybe-gen-10 |
| ifneq ($(word $10,$2),) |
| $$(hide) $$(BUILD_HOST_ECHO_N) "$(wordlist $10,$19,$2) " >> $$@ |
| endif |
| endef |
| |
| define list-file-start-gen-100 |
| $(call list-file-start-gen-10,$10,$2) |
| $(call list-file-always-gen-10,$11,$2) |
| $(call list-file-always-gen-10,$12,$2) |
| $(call list-file-always-gen-10,$13,$2) |
| $(call list-file-always-gen-10,$14,$2) |
| $(call list-file-always-gen-10,$15,$2) |
| $(call list-file-always-gen-10,$16,$2) |
| $(call list-file-always-gen-10,$17,$2) |
| $(call list-file-always-gen-10,$18,$2) |
| $(call list-file-always-gen-10,$19,$2) |
| endef |
| |
| define list-file-always-gen-100 |
| $(call list-file-always-gen-10,$10,$2) |
| $(call list-file-always-gen-10,$11,$2) |
| $(call list-file-always-gen-10,$12,$2) |
| $(call list-file-always-gen-10,$13,$2) |
| $(call list-file-always-gen-10,$14,$2) |
| $(call list-file-always-gen-10,$15,$2) |
| $(call list-file-always-gen-10,$16,$2) |
| $(call list-file-always-gen-10,$17,$2) |
| $(call list-file-always-gen-10,$18,$2) |
| $(call list-file-always-gen-10,$19,$2) |
| endef |
| |
| define list-file-maybe-gen-100 |
| ifneq ($(word $(call bump-0-to-1,$100),$2),) |
| ifneq ($(word $199,$2),) |
| $(call list-file-start-gen-10,$10,$2) |
| $(call list-file-always-gen-10,$11,$2) |
| $(call list-file-always-gen-10,$12,$2) |
| $(call list-file-always-gen-10,$13,$2) |
| $(call list-file-always-gen-10,$14,$2) |
| $(call list-file-always-gen-10,$15,$2) |
| $(call list-file-always-gen-10,$16,$2) |
| $(call list-file-always-gen-10,$17,$2) |
| $(call list-file-always-gen-10,$18,$2) |
| $(call list-file-always-gen-10,$19,$2) |
| else |
| ifneq ($(word $150,$2),) |
| $(call list-file-start-gen-10,$10,$2) |
| $(call list-file-always-gen-10,$11,$2) |
| $(call list-file-always-gen-10,$12,$2) |
| $(call list-file-always-gen-10,$13,$2) |
| $(call list-file-always-gen-10,$14,$2) |
| $(call list-file-maybe-gen-10,$15,$2) |
| $(call list-file-maybe-gen-10,$16,$2) |
| $(call list-file-maybe-gen-10,$17,$2) |
| $(call list-file-maybe-gen-10,$18,$2) |
| $(call list-file-maybe-gen-10,$19,$2) |
| else |
| $(call list-file-start-gen-10,$10,$2) |
| $(call list-file-maybe-gen-10,$11,$2) |
| $(call list-file-maybe-gen-10,$12,$2) |
| $(call list-file-maybe-gen-10,$13,$2) |
| $(call list-file-maybe-gen-10,$14,$2) |
| endif |
| endif |
| endif |
| endef |
| |
| define list-file-maybe-gen-1000 |
| ifneq ($(word $(call bump-0-to-1,$1000),$2),) |
| ifneq ($(word $1999,$2),) |
| $(call list-file-start-gen-100,$10,$2) |
| $(call list-file-always-gen-100,$11,$2) |
| $(call list-file-always-gen-100,$12,$2) |
| $(call list-file-always-gen-100,$13,$2) |
| $(call list-file-always-gen-100,$14,$2) |
| $(call list-file-always-gen-100,$15,$2) |
| $(call list-file-always-gen-100,$16,$2) |
| $(call list-file-always-gen-100,$17,$2) |
| $(call list-file-always-gen-100,$18,$2) |
| $(call list-file-always-gen-100,$19,$2) |
| else |
| ifneq ($(word $1500,$2),) |
| $(call list-file-start-gen-100,$10,$2) |
| $(call list-file-always-gen-100,$11,$2) |
| $(call list-file-always-gen-100,$12,$2) |
| $(call list-file-always-gen-100,$13,$2) |
| $(call list-file-always-gen-100,$14,$2) |
| $(call list-file-maybe-gen-100,$15,$2) |
| $(call list-file-maybe-gen-100,$16,$2) |
| $(call list-file-maybe-gen-100,$17,$2) |
| $(call list-file-maybe-gen-100,$18,$2) |
| $(call list-file-maybe-gen-100,$19,$2) |
| else |
| $(call list-file-start-gen-100,$10,$2) |
| $(call list-file-maybe-gen-100,$11,$2) |
| $(call list-file-maybe-gen-100,$12,$2) |
| $(call list-file-maybe-gen-100,$13,$2) |
| $(call list-file-maybe-gen-100,$14,$2) |
| endif |
| endif |
| endif |
| endef |
| |
| |
| define generate-list-file-ev |
| __list_file := $2 |
| |
| .PHONY: $$(__list_file).tmp |
| |
| $$(call generate-file-dir,$$(__list_file).tmp) |
| |
| $$(__list_file).tmp: |
| $$(hide) $$(BUILD_HOST_ECHO_N) "" > $$@ |
| $(call list-file-maybe-gen-1000,0,$1) |
| $(call list-file-maybe-gen-1000,1,$1) |
| $(call list-file-maybe-gen-1000,2,$1) |
| $(call list-file-maybe-gen-1000,3,$1) |
| $(call list-file-maybe-gen-1000,4,$1) |
| $(call list-file-maybe-gen-1000,5,$1) |
| |
| $$(__list_file): $$(__list_file).tmp |
| $$(hide) $$(call host-copy-if-differ,$$@.tmp,$$@) |
| $$(hide) $$(call host-rm,$$@.tmp) |
| |
| endef |
| |
| generate-list-file = $(eval $(call generate-list-file-ev,$1,$2)) |
| |
