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[tor-commits] [orbot/master] update native build to include Android NDK build flags
commit ca8197fa5b2dc22f538943482849b9ee90a1b808
Author: Hans-Christoph Steiner <hans@xxxxxxx>
Date: Thu Dec 5 19:28:54 2013 -0500
update native build to include Android NDK build flags
This updates external/Makefile to be more integrated into the Android NDK,
by using the same variable names and including build flags from the NDK.
---
external/Makefile | 122 +++++++++++++++++++++++++++++++++--------------------
1 file changed, 77 insertions(+), 45 deletions(-)
diff --git a/external/Makefile b/external/Makefile
index 6ecc3f6..b6771a4 100644
--- a/external/Makefile
+++ b/external/Makefile
@@ -5,55 +5,73 @@
# on Debian or Ubuntu
### these modify the calling shell
-# point pkg-config to the .pc files generated from these builds
-export PKG_CONFIG_PATH=$(LOCAL)/lib/pkgconfig
# workaround for cross-compiling bug in autoconf
export ac_cv_func_malloc_0_nonnull=yes
export ac_cv_func_setpgrp_void=yes
-CWD = $(shell pwd)
-PROJECT_ROOT = $(CWD)/..
-EXTERNAL_ROOT = $(CWD)
-
-# Android NDK setup:
-NDK_BASE ?= /usr/local/android-ndk
-NDK_PLATFORM_LEVEL ?= 8
-NDK_TOOLCHAIN_VERSION=4.6
-NDK_SYSROOT=$(NDK_BASE)/platforms/android-$(NDK_PLATFORM_LEVEL)/arch-arm
-NDK_UNAME:=`uname -s | tr '[A-Z]' '[a-z]'`
-NDK_PROCESSOR:=`uname -m`
-
-#NDK_TOOLCHAIN=$(NDK_BASE)/toolchains/arm-linux-androideabi-4.4.3/prebuilt/$(NDK_UNAME)-$(NDK_PROCESSOR)
-NDK_TOOLCHAIN=$(NDK_BASE)/toolchains/arm-linux-androideabi-4.6/prebuilt/$(NDK_UNAME)-$(NDK_PROCESSOR)
-
-# to use the real HOST tag, you need the latest libtool files:
-# http://stackoverflow.com/questions/4594736/configure-does-not-recognize-androideabi
-#HOST := arm-none-linux-gnueabi
-HOST := arm-linux-androideabi
-
-# install root for built files
-DESTDIR = $(EXTERNAL_ROOT)
-# TODO try adding the Android-style /data/app.name here
-prefix =
-LOCAL := $(DESTDIR)$(prefix)
-
-export PATH := ${PATH}:$(NDK_TOOLCHAIN)/bin:$(LOCAL)/bin
-
-CC := $(NDK_TOOLCHAIN)/bin/arm-linux-androideabi-gcc --sysroot=$(NDK_SYSROOT)
-CXX := $(NDK_TOOLCHAIN)/bin/arm-linux-androideabi-g++
-CPP := $(NDK_TOOLCHAIN)/bin/arm-linux-androideabi-cpp
-LD := $(NDK_TOOLCHAIN)/bin/arm-linux-androideabi-ld
-AR := $(NDK_TOOLCHAIN)/bin/arm-linux-androideabi-ar
-RANLIB := $(NDK_TOOLCHAIN)/bin/arm-linux-androideabi-ranlib
-STRIP := $(NDK_TOOLCHAIN)/bin/arm-linux-androideabi-strip \
+EXTERNAL_ROOT := $(shell pwd)
+
+# Android now has 64-bit and 32-bit versions of the NDK for GNU/Linux. We
+# assume that the build platform uses the appropriate version, otherwise the
+# user building this will have to manually set NDK_PROCESSOR or NDK_TOOLCHAIN.
+CPU := $(shell uname -m)
+ifeq ($(CPU),x86_64)
+ NDK_PROCESSOR=x86_64
+else
+ NDK_PROCESSOR=x86
+endif
+
+# Android NDK setup
+NDK_BASE ?= /opt/android-ndk
+NDK_ABI=arm
+APP_ABI=armeabi
+# NDK platform level, aka APP_PLATFORM, is equivalent to minSdkVersion
+APP_PLATFORM := android-$(shell sed -n 's,.*android:minSdkVersion="\([0-9][0-9]*\)".*,\1,p' \
+ $(EXTERNAL_ROOT)/../AndroidManifest.xml)
+NDK_SYSROOT=$(NDK_BASE)/platforms/$(APP_PLATFORM)/arch-$(NDK_ABI)
+NDK_TOOLCHAIN_VERSION=4.7
+NDK_UNAME := $(shell uname -s | tr '[A-Z]' '[a-z]')
+ifeq ($(NDK_ABI),x86)
+ HOST = i686-linux-android
+ NDK_TOOLCHAIN = $(NDK_ABI)-$(NDK_TOOLCHAIN_VERSION)
+else
+ HOST = $(NDK_ABI)-linux-androideabi
+ NDK_TOOLCHAIN = $(HOST)-$(NDK_TOOLCHAIN_VERSION)
+endif
+NDK_TOOLCHAIN_BASE=$(NDK_BASE)/toolchains/$(NDK_TOOLCHAIN)/prebuilt/$(NDK_UNAME)-$(NDK_PROCESSOR)
+
+# include Android's build flags
+TARGET_ARCH_ABI = $(APP_ABI)
+include $(NDK_BASE)/toolchains/$(NDK_TOOLCHAIN)/setup.mk
+
+CC := $(NDK_TOOLCHAIN_BASE)/bin/$(HOST)-gcc --sysroot=$(NDK_SYSROOT)
+CXX := $(NDK_TOOLCHAIN_BASE)/bin/$(HOST)-g++
+CPP := $(NDK_TOOLCHAIN_BASE)/bin/$(HOST)-cpp
+LD := $(NDK_TOOLCHAIN_BASE)/bin/$(HOST)-ld
+AR := $(NDK_TOOLCHAIN_BASE)/bin/$(HOST)-ar
+RANLIB := $(NDK_TOOLCHAIN_BASE)/bin/$(HOST)-ranlib
+STRIP := $(NDK_TOOLCHAIN_BASE)/bin/$(HOST)-strip \
--strip-unneeded -R .note -R .comment
-CFLAGS = -DANDROID -I$(LOCAL) -I$(LOCAL)/include -I$(NDK_SYSROOT)/usr/include
-LDFLAGS = -L$(LOCAL) -L$(LOCAL)/lib -L$(NDK_SYSROOT)/usr/lib
-
-# build as small as possible, mostly useful for static binaries
-CFLAGS += -fdata-sections -ffunction-sections -Os
-LDFLAGS += -Wl,--gc-sections
+CFLAGS = -DANDROID $(TARGET_CFLAGS)
+LDFLAGS = -llog $(TARGET_LDFLAGS)
+
+# change 'release' to 'debug' for unoptimized debug builds
+ifeq ($(APP_ABI),armeabi-v7a)
+ CFLAGS += $(TARGET_arm_release_CFLAGS)
+endif
+ifeq ($(APP_ABI),armeabi)
+ CFLAGS += $(TARGET_thumb_release_CFLAGS)
+endif
+
+.PHONY = clean showsetup \
+ assets assets-clean \
+ openssl-static openssl-static-clean \
+ libevent libevent-clean \
+ iptables iptables-clean \
+ tor tor-clean \
+ obfsproxy obfsproxy-clean \
+ privoxy privoxy-clean
all: assets
@@ -158,7 +176,6 @@ tor/Makefile: tor/configure
LIBS="-L$(EXTERNAL_ROOT)/lib" CFLAGS="-I$(EXTERNAL_ROOT)/include -I$(EXTERNAL_ROOT)/include/event2" \
./configure \
--host=$(HOST) \
- --prefix=$(NDK_TOOLCHAIN) \
--disable-asciidoc \
--enable-static-libevent --with-libevent-dir=$(EXTERNAL_ROOT) \
--enable-static-openssl --with-openssl-dir=$(EXTERNAL_ROOT) \
@@ -197,7 +214,6 @@ obfsproxy/Makefile:
libcrypto_LIBS="-L$(EXTERNAL_ROOT)/lib -lcrypto" libcrypto_CFLAGS="-I$(EXTERNAL_ROOT)/include" \
./configure \
--host=$(HOST) \
- --prefix=$(NDK_TOOLCHAIN) \
obfsproxy-build-stamp: obfsproxy/Makefile
$(MAKE) -C obfsproxy
@@ -319,3 +335,19 @@ assets-clean:
# cleanup, cleanup, put the toys away
clean: openssl-static-clean libevent-clean tor-clean privoxy-clean jtorctl-clean assets-clean
+
+
+#------------------------------------------------------------------------------#
+# debugging stuff
+
+showsetup:
+ @echo "NDK_TOOLCHAIN_VERSION: $(NDK_TOOLCHAIN_VERSION)"
+ @echo "NDK_TOOLCHAIN: $(NDK_TOOLCHAIN)"
+ @echo "NDK_SYSROOT: $(NDK_SYSROOT)"
+ @echo "APP_PLATFORM: $(APP_PLATFORM)"
+ @echo "APP_ABI: $(APP_ABI)"
+ @echo "HOST: $(HOST)"
+ @echo "CC: $(CC)"
+ @echo "LD: $(LD)"
+ @echo "CFLAGS: $(CFLAGS)"
+ @echo "LDFLAGS: $(LDFLAGS)"
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