| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 1 | # Google Android makefile for curl and libcurl |
| 2 | # |
| 3 | # This file can be used when building curl using the full Android source |
| 4 | # release or the NDK. Most users do not want or need to do this; please |
| 5 | # instead read the Android section in docs/INSTALL for alternate |
| 6 | # methods. |
| 7 | # |
| 8 | # Place the curl source (including this makefile) into external/curl/ in the |
| 9 | # Android source tree. Then build them with 'make curl' or just 'make libcurl' |
| 10 | # from the Android root. Tested with Android versions 1.5, 2.1-2.3 |
| 11 | # |
| 12 | # Note: you must first create a curl_config.h file by running configure in the |
| 13 | # Android environment. The only way I've found to do this is tricky. Perform a |
| 14 | # normal Android build with libcurl in the source tree, providing the target |
| 15 | # "showcommands" to make. The build will eventually fail (because curl_config.h |
| 16 | # doesn't exist yet), but the compiler commands used to build curl will be |
| 17 | # shown. Now, from the external/curl/ directory, run curl's normal configure |
| 18 | # command with flags that match what Android itself uses. This will mean |
| 19 | # putting the compiler directory into the PATH, putting the -I, -isystem and |
| 20 | # -D options into CPPFLAGS, putting the -W, -m, -f, -O and -nostdlib options |
| 21 | # into CFLAGS, and putting the -Wl, -L and -l options into LIBS, along with the |
| 22 | # path to the files libgcc.a, crtbegin_dynamic.o, and ccrtend_android.o. |
| 23 | # Remember that the paths must be absolute since you will not be running |
| 24 | # configure from the same directory as the Android make. The normal |
| 25 | # cross-compiler options must also be set. Note that the -c, -o, -MD and |
| 26 | # similar flags must not be set. |
| 27 | # |
| 28 | # To see all the LIBS options, you'll need to do the "showcommands" trick on an |
| 29 | # executable that's already buildable and watch what flags Android uses to link |
| 30 | # it (dhcpcd is a good choice to watch). You'll also want to add -L options to |
| 31 | # LIBS that point to the out/.../obj/lib/ and out/.../obj/system/lib/ |
| 32 | # directories so that additional libraries can be found and used by curl. |
| 33 | # |
| 34 | # The end result will be a configure command that looks something like this |
| 35 | # (the environment variable A is set to the Android root path which makes the |
| 36 | # command shorter): |
| 37 | # |
| 38 | # A=`realpath ../..` && \ |
| 39 | # PATH="$A/prebuilt/linux-x86/toolchain/arm-eabi-X/bin:$PATH" \ |
| 40 | # ./configure --host=arm-linux CC=arm-eabi-gcc \ |
| 41 | # CPPFLAGS="-I $A/system/core/include ..." \ |
| 42 | # CFLAGS="-nostdlib -fno-exceptions -Wno-multichar ..." \ |
| 43 | # LIBS="$A/prebuilt/linux-x86/toolchain/arm-eabi-X/lib/gcc/arm-eabi/X\ |
| 44 | # /interwork/libgcc.a ..." |
| 45 | # |
| 46 | # Finally, copy the file COPYING to NOTICE so that the curl license gets put |
| 47 | # into the right place (but see the note about this below). |
| 48 | # |
| 49 | # Dan Fandrich |
| 50 | # November 2011 |
| 51 | |
| 52 | LOCAL_PATH:= $(call my-dir)/../.. |
| 53 | |
| 54 | 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 |
| 55 | |
| 56 | ######################### |
| 57 | # Build the libcurl library |
| 58 | |
| 59 | include $(CLEAR_VARS) |
| 60 | include $(LOCAL_PATH)/lib/Makefile.inc |
| 61 | CURL_HEADERS := \ |
| 62 | curlbuild.h \ |
| 63 | curl.h \ |
| 64 | curlrules.h \ |
| 65 | curlver.h \ |
| 66 | easy.h \ |
| 67 | mprintf.h \ |
| 68 | multi.h \ |
| 69 | stdcheaders.h \ |
| 70 | typecheck-gcc.h |
| 71 | |
| 72 | LOCAL_SRC_FILES := $(addprefix lib/,$(CSOURCES)) |
| 73 | LOCAL_C_INCLUDES += $(LOCAL_PATH)/include/ |
| 74 | LOCAL_CFLAGS += $(common_CFLAGS) |
| 75 | |
| 76 | LOCAL_COPY_HEADERS_TO := libcurl/curl |
| 77 | LOCAL_COPY_HEADERS := $(addprefix include/curl/,$(CURL_HEADERS)) |
| 78 | |
| 79 | LOCAL_MODULE:= libcurl |
| 80 | LOCAL_MODULE_TAGS := optional |
| 81 | |
| 82 | # Copy the licence to a place where Android will find it. |
| 83 | # Actually, this doesn't quite work because the build system searches |
| 84 | # for NOTICE files before it gets to this point, so it will only be seen |
| 85 | # on subsequent builds. |
| 86 | ALL_PREBUILT += $(LOCAL_PATH)/NOTICE |
| 87 | $(LOCAL_PATH)/NOTICE: $(LOCAL_PATH)/COPYING | $(ACP) |
| 88 | $(copy-file-to-target) |
| 89 | |
| 90 | include $(BUILD_STATIC_LIBRARY) |
| 91 | |
| 92 | |
| 93 | ######################### |
| 94 | # Build the curl binary |
| 95 | |
| 96 | include $(CLEAR_VARS) |
| 97 | include $(LOCAL_PATH)/src/Makefile.inc |
| 98 | LOCAL_SRC_FILES := $(addprefix src/,$(CURL_CFILES)) |
| 99 | |
| 100 | LOCAL_MODULE := curl |
| 101 | LOCAL_MODULE_TAGS := optional |
| 102 | LOCAL_STATIC_LIBRARIES := libcurl |
| 103 | LOCAL_SYSTEM_SHARED_LIBRARIES := libc |
| 104 | |
| 105 | LOCAL_C_INCLUDES += $(LOCAL_PATH)/include $(LOCAL_PATH)/lib |
| 106 | |
| 107 | # This may also need to include $(CURLX_CFILES) in order to correctly link |
| 108 | # if libcurl is changed to be built as a dynamic library |
| 109 | LOCAL_CFLAGS += $(common_CFLAGS) |
| 110 | |
| 111 | include $(BUILD_EXECUTABLE) |
| 112 | |