Add Chia bls-signatures library to depends

depends/packages/chia_bls.mk

@@ -0,0 +1,50 @@
+package=chia_bls
+$(package)_version=b24c15cef6567a855e901b4774d1d22efb063ea9
+# It's actually from https://github.com/Chia-Network/bls-signatures, but we have so many patches atm that it's forked
+$(package)_download_path=https://github.com/codablock/bls-signatures/archive
+$(package)_file_name=$($(package)_version).tar.gz
+$(package)_sha256_hash=96b5f9b70179e2e76123fb19b7a00dec9188b571757db15949bf9f1d8dee864f
+$(package)_dependencies=gmp
+#$(package)_patches=...TODO (when we switch back to https://github.com/Chia-Network/bls-signatures)
+
+#define $(package)_preprocess_cmds
+#  for i in $($(package)_patches); do patch -N -p1 < $($(package)_patch_dir)/$$$$i; done
+#endef
+
+define $(package)_set_vars
+  $(package)_config_opts=-DCMAKE_INSTALL_PREFIX=$($(package)_staging_dir)/$(host_prefix)
+  $(package)_config_opts+= -DCMAKE_PREFIX_PATH=$(host_prefix)
+  $(package)_config_opts+= -DSTLIB=ON -DSHLIB=OFF -DSTBIN=ON
+  $(package)_config_opts_linux=-DOPSYS=LINUX -DCMAKE_SYSTEM_NAME=Linux
+  $(package)_config_opts_darwin=-DOPSYS=MACOSX -DCMAKE_SYSTEM_NAME=Darwin
+  $(package)_config_opts_mingw32=-DOPSYS=WINDOWS -DCMAKE_SYSTEM_NAME=Windows -DCMAKE_SHARED_LIBRARY_LINK_C_FLAGS="" -DCMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS=""
+  $(package)_config_opts_i686+= -DWSIZE=32
+  $(package)_config_opts_x86_64+= -DWSIZE=64
+  $(package)_config_opts_arm+= -DWSIZE=32
+  $(package)_config_opts_debug=-DDEBUG=ON -DCMAKE_BUILD_TYPE=Debug
+
+  ifneq ($(darwin_native_toolchain),)
+    $(package)_config_opts_darwin+= -DCMAKE_AR="$(host_prefix)/native/bin/$($(package)_ar)"
+    $(package)_config_opts_darwin+= -DCMAKE_RANLIB="$(host_prefix)/native/bin/$($(package)_ranlib)"
+  endif
+endef
+
+define $(package)_config_cmds
+  export CC="$($(package)_cc)" && \
+  export CXX="$($(package)_cxx)" && \
+  export CFLAGS="$($(package)_cflags) $($(package)_cppflags)" && \
+  export CXXFLAGS="$($(package)_cxxflags) $($(package)_cppflags)" && \
+  export LDFLAGS="$($(package)_ldflags)" && \
+  mkdir build && cd build && \
+  cmake ../ $($(package)_config_opts)
+endef
+
+define $(package)_build_cmds
+  cd build && \
+  $(MAKE) $($(package)_build_opts)
+endef
+
+define $(package)_stage_cmds
+  cd build && \
+  $(MAKE) install
+endef

depends/packages/packages.mk

@@ -1,4 +1,4 @@
-packages:=boost openssl libevent zeromq gmp
+packages:=boost openssl libevent zeromq gmp chia_bls
 native_packages := native_ccache
 
 qt_native_packages = native_protobuf