ARMクロスコンパイル

環境 †

• Ubuntu 18.04 LTS (amd64) ＊Dockerでも可能

手順 †

sudo apt-get -y install build-essential autoconf automake pkg-config libtool make git curl g++-arm-linux-gnueabihf

cd

git clone https://github.com/dashpay/dash.git --depth 1

cd dash/depends

make HOST=arm-linux-gnueabihf -j$(nproc)

# このとき表示されるパスをpatch.diffのCHANGE_YOUR_PATHとして使用

git clone https://github.com/kumacoinproject/kumacoin.git --depth 1

cd kumacoin/src

patch -p2 < patch.diff

make -f makefile.unix -j$(nproc)

• patch.diff

  diff --git a/src/makefile.unix b/src/makefile.unix

  index b224bda..75f8801 100644

  --- a/src/makefile.unix

  +++ b/src/makefile.unix

  @@ -11,4 +11,11 @@ DEFS=-DBOOST_SPIRIT_THREADSAFE

  -DEFS += $(addprefix -I,$(CURDIR) $(CURDIR)/obj $(BOOST_INCLUDE_PATH) $(BDB_INCLUDE_PATH) $(OPENSSL_INCLUDE_PATH))

  -LIBS = $(addprefix -L,$(BOOST_LIB_PATH) $(BDB_LIB_PATH) $(OPENSSL_LIB_PATH))

  +DEFS += -I/CHANGE_YOUR_PATH/dash/depends/arm-linux-gnueabihf/include $(addprefix -I,$(CURDIR) $(CURDIR)/obj $(BOOST_INCLUDE_PATH) $(BDB_INCLUDE_PATH) $(OPENSSL_INCLUDE_PATH))

  +LIBS = -L/CHANGE_YOUR_PATH/dash/depends/arm-linux-gnueabihf/lib $(addprefix -L,$(BOOST_LIB_PATH) $(BDB_LIB_PATH) $(OPENSSL_LIB_PATH))

  +STATIC=1

  +BOOST_LIB_SUFFIX=-mt

  +

  +CC="arm-linux-gnueabihf-gcc"

  +CXX="arm-linux-gnueabihf-g++"

  +OBJC="${CC}"

  +LINK="${CXX}"

  @@ -91,3 +98,3 @@ LIBS+= \

  -DEBUGFLAGS=-g

  +DEBUGFLAGS=-g0

  @@ -101,3 +108,3 @@ endif

  # $(DEBUGFLAGS) $(DEFS) $(HARDENING) $(CXXFLAGS)

  -xCXXFLAGS=-O2 $(EXT_OPTIONS) -pthread -Wall -Wextra -Wno-ignored-qualifiers -Wformat -Wformat-security -Wno-unused-parameter \

  +xCXXFLAGS=-O2 -s $(EXT_OPTIONS) -pthread -Wall -Wextra -Wno-ignored-qualifiers -Wformat -Wformat-security -Wno-unused-parameter \

  $(DEBUGFLAGS) $(DEFS) $(HARDENING) $(CXXFLAGS)