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curl

    1: #***************************************************************************
    2: #                                  _   _ ____  _
    3: #  Project                     ___| | | |  _ \| |
    4: #                             / __| | | | |_) | |
    5: #                            | (__| |_| |  _ <| |___
    6: #                             \___|\___/|_| \_\_____|
    7: #
    8: # Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
    9: #
   10: # This software is licensed as described in the file COPYING, which
   11: # you should have received as part of this distribution. The terms
   12: # are also available at https://curl.haxx.se/docs/copyright.html.
   13: #
   14: # You may opt to use, copy, modify, merge, publish, distribute and/or sell
   15: # copies of the Software, and permit persons to whom the Software is
   16: # furnished to do so, under the terms of the COPYING file.
   17: #
   18: # This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
   19: # KIND, either express or implied.
   20: #
   21: ###########################################################################
   22: # Google Android makefile for curl and libcurl
   23: #
   24: # This file can be used when building curl using the full Android source
   25: # release or the NDK. Most users do not want or need to do this; please
   26: # instead read the Android section in docs/INSTALL for alternate
   27: # methods.
   28: #
   29: # Place the curl source (including this makefile) into external/curl/ in the
   30: # Android source tree.  Then build them with 'make curl' or just 'make libcurl'
   31: # from the Android root. Tested with Android versions 1.5, 2.1-2.3
   32: #
   33: # Note: you must first create a curl_config.h file by running configure in the
   34: # Android environment. The only way I've found to do this is tricky. Perform a
   35: # normal Android build with libcurl in the source tree, providing the target
   36: # "showcommands" to make. The build will eventually fail (because curl_config.h
   37: # doesn't exist yet), but the compiler commands used to build curl will be
   38: # shown. Now, from the external/curl/ directory, run curl's normal configure
   39: # command with flags that match what Android itself uses. This will mean
   40: # putting the compiler directory into the PATH, putting the -I, -isystem and
   41: # -D options into CPPFLAGS, putting the -W, -m, -f, -O and -nostdlib options
   42: # into CFLAGS, and putting the -Wl, -L and -l options into LIBS, along with the
   43: # path to the files libgcc.a, crtbegin_dynamic.o, and ccrtend_android.o.
   44: # Remember that the paths must be absolute since you will not be running
   45: # configure from the same directory as the Android make.  The normal
   46: # cross-compiler options must also be set. Note that the -c, -o, -MD and
   47: # similar flags must not be set.
   48: #
   49: # To see all the LIBS options, you'll need to do the "showcommands" trick on an
   50: # executable that's already buildable and watch what flags Android uses to link
   51: # it (dhcpcd is a good choice to watch). You'll also want to add -L options to
   52: # LIBS that point to the out/.../obj/lib/ and out/.../obj/system/lib/
   53: # directories so that additional libraries can be found and used by curl.
   54: #
   55: # The end result will be a configure command that looks something like this
   56: # (the environment variable A is set to the Android root path which makes the
   57: # command shorter):
   58: #
   59: #  A=`realpath ../..` && \
   60: #  PATH="$A/prebuilt/linux-x86/toolchain/arm-eabi-X/bin:$PATH" \
   61: #  ./configure --host=arm-linux CC=arm-eabi-gcc \
   62: #  CPPFLAGS="-I $A/system/core/include ..." \
   63: #  CFLAGS="-nostdlib -fno-exceptions -Wno-multichar ..." \
   64: #  LIBS="$A/prebuilt/linux-x86/toolchain/arm-eabi-X/lib/gcc/arm-eabi/X\
   65: #  /interwork/libgcc.a ..."
   66: #
   67: # Finally, copy the file COPYING to NOTICE so that the curl license gets put
   68: # into the right place (but see the note about this below).
   69: #
   70: # Dan Fandrich
   71: # November 2011
   72: 
   73: LOCAL_PATH:= $(call my-dir)/../..
   74: 
   75: common_CFLAGS := -Wpointer-arith -Wwrite-strings -Wunused -Winline -Wnested-externs -Wmissing-declarations -Wmissing-prototypes -Wno-long-long -Wfloat-equal -Wno-multichar -Wsign-compare -Wno-format-nonliteral -Wendif-labels -Wstrict-prototypes -Wdeclaration-after-statement -Wno-system-headers -DHAVE_CONFIG_H
   76: 
   77: #########################
   78: # Build the libcurl library
   79: 
   80: include $(CLEAR_VARS)
   81: include $(LOCAL_PATH)/lib/Makefile.inc
   82: CURL_HEADERS := \
   83:   curl.h \
   84:   system.h \
   85:   curlver.h \
   86:   easy.h \
   87:   mprintf.h \
   88:   multi.h \
   89:   stdcheaders.h \
   90:   typecheck-gcc.h
   91: 
   92: LOCAL_SRC_FILES := $(addprefix lib/,$(CSOURCES))
   93: LOCAL_C_INCLUDES += $(LOCAL_PATH)/include/
   94: LOCAL_CFLAGS += $(common_CFLAGS)
   95: 
   96: LOCAL_COPY_HEADERS_TO := libcurl/curl
   97: LOCAL_COPY_HEADERS := $(addprefix include/curl/,$(CURL_HEADERS))
   98: 
   99: LOCAL_MODULE:= libcurl
  100: LOCAL_MODULE_TAGS := optional
  101: 
  102: # Copy the licence to a place where Android will find it.
  103: # Actually, this doesn't quite work because the build system searches
  104: # for NOTICE files before it gets to this point, so it will only be seen
  105: # on subsequent builds.
  106: ALL_PREBUILT += $(LOCAL_PATH)/NOTICE
  107: $(LOCAL_PATH)/NOTICE: $(LOCAL_PATH)/COPYING | $(ACP)
  108: 	$(copy-file-to-target)
  109: 
  110: include $(BUILD_STATIC_LIBRARY)
  111: 
  112: 
  113: #########################
  114: # Build the curl binary
  115: 
  116: include $(CLEAR_VARS)
  117: include $(LOCAL_PATH)/src/Makefile.inc
  118: LOCAL_SRC_FILES := $(addprefix src/,$(CURL_CFILES))
  119: 
  120: LOCAL_MODULE := curl
  121: LOCAL_MODULE_TAGS := optional
  122: LOCAL_STATIC_LIBRARIES := libcurl
  123: LOCAL_SYSTEM_SHARED_LIBRARIES := libc
  124: 
  125: LOCAL_C_INCLUDES += $(LOCAL_PATH)/include $(LOCAL_PATH)/lib
  126: 
  127: # This may also need to include $(CURLX_CFILES) in order to correctly link
  128: # if libcurl is changed to be built as a dynamic library
  129: LOCAL_CFLAGS += $(common_CFLAGS)
  130: 
  131: include $(BUILD_EXECUTABLE)