111 lines
4.4 KiB
Makefile
111 lines
4.4 KiB
Makefile
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# Google Android makefile for curl and libcurl
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#
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# This file can be used when building curl using the full Android source
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# release or the NDK. Most users do not want or need to do this; please
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# instead read the Android section in docs/INSTALL for alternate
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# methods.
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#
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# Place the curl source (including this makefile) into external/curl/ in the
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# Android source tree. Then build them with 'make curl' or just 'make libcurl'
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# from the Android root. Tested with Android versions 1.5, 2.1-2.3
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#
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# Note: you must first create a curl_config.h file by running configure in the
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# Android environment. The only way I've found to do this is tricky. Perform a
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# normal Android build with libcurl in the source tree, providing the target
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# "showcommands" to make. The build will eventually fail (because curl_config.h
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# doesn't exist yet), but the compiler commands used to build curl will be
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# shown. Now, from the external/curl/ directory, run curl's normal configure
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# command with flags that match what Android itself uses. This will mean
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# putting the compiler directory into the PATH, putting the -I, -isystem and
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# -D options into CPPFLAGS, putting the -W, -m, -f, -O and -nostdlib options
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# into CFLAGS, and putting the -Wl, -L and -l options into LIBS, along with the
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# path to the files libgcc.a, crtbegin_dynamic.o, and ccrtend_android.o.
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# Remember that the paths must be absolute since you will not be running
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# configure from the same directory as the Android make. The normal
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# cross-compiler options must also be set. Note that the -c, -o, -MD and
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# similar flags must not be set.
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#
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# To see all the LIBS options, you'll need to do the "showcommands" trick on an
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# executable that's already buildable and watch what flags Android uses to link
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# it (dhcpcd is a good choice to watch). You'll also want to add -L options to
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# LIBS that point to the out/.../obj/lib/ and out/.../obj/system/lib/
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# directories so that additional libraries can be found and used by curl.
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#
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# The end result will be a configure command that looks something like this
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# (the environment variable A is set to the Android root path which makes the
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# command shorter):
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#
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# A=`realpath ../..` && \
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# PATH="$A/prebuilt/linux-x86/toolchain/arm-eabi-X/bin:$PATH" \
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# ./configure --host=arm-linux CC=arm-eabi-gcc \
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# CPPFLAGS="-I $A/system/core/include ..." \
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# CFLAGS="-nostdlib -fno-exceptions -Wno-multichar ..." \
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# LIBS="$A/prebuilt/linux-x86/toolchain/arm-eabi-X/lib/gcc/arm-eabi/X\
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# /interwork/libgcc.a ..."
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#
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# Finally, copy the file COPYING to NOTICE so that the curl license gets put
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# into the right place (but see the note about this below).
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#
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# Dan Fandrich
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# November 2011
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LOCAL_PATH:= $(call my-dir)/../..
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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
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#########################
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# Build the libcurl library
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include $(CLEAR_VARS)
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include $(LOCAL_PATH)/lib/Makefile.inc
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CURL_HEADERS := \
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curl.h \
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system.h \
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curlver.h \
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easy.h \
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mprintf.h \
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multi.h \
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stdcheaders.h \
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typecheck-gcc.h
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LOCAL_SRC_FILES := $(addprefix lib/,$(CSOURCES))
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LOCAL_C_INCLUDES += $(LOCAL_PATH)/include/
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LOCAL_CFLAGS += $(common_CFLAGS)
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LOCAL_COPY_HEADERS_TO := libcurl/curl
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LOCAL_COPY_HEADERS := $(addprefix include/curl/,$(CURL_HEADERS))
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LOCAL_MODULE:= libcurl
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LOCAL_MODULE_TAGS := optional
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# Copy the licence to a place where Android will find it.
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# Actually, this doesn't quite work because the build system searches
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# for NOTICE files before it gets to this point, so it will only be seen
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# on subsequent builds.
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ALL_PREBUILT += $(LOCAL_PATH)/NOTICE
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$(LOCAL_PATH)/NOTICE: $(LOCAL_PATH)/COPYING | $(ACP)
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$(copy-file-to-target)
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include $(BUILD_STATIC_LIBRARY)
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#########################
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# Build the curl binary
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include $(CLEAR_VARS)
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include $(LOCAL_PATH)/src/Makefile.inc
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LOCAL_SRC_FILES := $(addprefix src/,$(CURL_CFILES))
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LOCAL_MODULE := curl
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LOCAL_MODULE_TAGS := optional
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LOCAL_STATIC_LIBRARIES := libcurl
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LOCAL_SYSTEM_SHARED_LIBRARIES := libc
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LOCAL_C_INCLUDES += $(LOCAL_PATH)/include $(LOCAL_PATH)/lib
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# This may also need to include $(CURLX_CFILES) in order to correctly link
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# if libcurl is changed to be built as a dynamic library
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LOCAL_CFLAGS += $(common_CFLAGS)
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include $(BUILD_EXECUTABLE)
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