depends: Support for 64-bit POWER targets

depends/.gitignore

@@ -8,5 +8,6 @@ i686*
 mips*
 arm*
 aarch64*
+powerpc*
 riscv32*
 riscv64*

depends/Makefile

@@ -186,7 +186,7 @@ $(host_prefix)/share/config.site: check-packages
 check-packages: check-sources
 
 clean-all: clean
-	@rm -rf $(SOURCES_PATH) x86_64* i686* mips* arm* aarch64* riscv32* riscv64*
+	@rm -rf $(SOURCES_PATH) x86_64* i686* mips* arm* aarch64* powerpc* riscv32* riscv64*
 
 clean:
 	@rm -rf $(WORK_PATH) $(BASE_CACHE) $(BUILD)

depends/README.md

@@ -28,6 +28,8 @@ Common `host-platform-triplets` for cross compilation are:
 - `x86_64-apple-darwin16` for macOS
 - `arm-linux-gnueabihf` for Linux ARM 32 bit
 - `aarch64-linux-gnu` for Linux ARM 64 bit
+- `powerpc64-linux-gnu` for Linux POWER 64-bit (big endian)
+- `powerpc64le-linux-gnu` for Linux POWER 64-bit (little endian)
 - `riscv32-linux-gnu` for Linux RISC-V 32 bit
 - `riscv64-linux-gnu` for Linux RISC-V 64 bit
 - `armv7a-linux-android` for Android ARM 32 bit
@@ -61,6 +63,10 @@ For linux AARCH64 cross compilation:
 
     sudo apt-get install g++-aarch64-linux-gnu binutils-aarch64-linux-gnu
 
+For linux POWER 64-bit cross compilation (there are no packages for 32-bit):
+
+    sudo apt-get install g++-powerpc64-linux-gnu binutils-powerpc64-linux-gnu g++-powerpc64le-linux-gnu binutils-powerpc64le-linux-gnu
+
 For linux RISC-V 64-bit cross compilation (there are no packages for 32-bit):
 
     sudo apt-get install g++-riscv64-linux-gnu binutils-riscv64-linux-gnu

depends/packages/qt.mk

@@ -128,6 +128,8 @@ $(package)_config_opts_arm_linux += -platform linux-g++ -xplatform bitcoin-linux
 $(package)_config_opts_i686_linux  = -xplatform linux-g++-32
 $(package)_config_opts_x86_64_linux = -xplatform linux-g++-64
 $(package)_config_opts_aarch64_linux = -xplatform linux-aarch64-gnu-g++
+$(package)_config_opts_powerpc64_linux = -platform linux-g++ -xplatform bitcoin-linux-g++
+$(package)_config_opts_powerpc64le_linux = -platform linux-g++ -xplatform bitcoin-linux-g++
 $(package)_config_opts_riscv64_linux = -platform linux-g++ -xplatform bitcoin-linux-g++
 
 $(package)_config_opts_mingw32 = -no-opengl