diff --git a/depends/Makefile b/depends/Makefile
index 77d68b387..74725db18 100644
--- a/depends/Makefile
+++ b/depends/Makefile
@@ -131,7 +131,7 @@ $(host_prefix)/share/config.site : config.site.in $(host_prefix)/.stamp_$(final_
             -e 's|@build_os@|$(build_os)|' \
             -e 's|@host_os@|$(host_os)|' \
             -e 's|@CFLAGS@|$(strip $(host_CFLAGS) $(host_$(release_type)_CFLAGS))|' \
-            -e 's|@CXXFLAGS@|$(strip $(host_CXXFLAGS) $(host_$(release_type)_CXXFLAGS))|' \
+            -e 's|@CXXFLAGS@|$(strip -pipe $(host_$(release_type)_CXXFLAGS))|' \
             -e 's|@CPPFLAGS@|$(strip $(host_CPPFLAGS) $(host_$(release_type)_CPPFLAGS))|' \
             -e 's|@LDFLAGS@|$(strip $(host_LDFLAGS) $(host_$(release_type)_LDFLAGS))|' \
             -e 's|@allow_host_packages@|$(ALLOW_HOST_PACKAGES)|' \
diff --git a/depends/hosts/darwin.mk b/depends/hosts/darwin.mk
index 5246317cc..81492038b 100644
--- a/depends/hosts/darwin.mk
+++ b/depends/hosts/darwin.mk
@@ -7,12 +7,13 @@ darwin_CC=clang -target $(host) -mmacosx-version-min=$(OSX_MIN_VERSION) -isysroo
 darwin_CXX=clang++ -target $(host) -mmacosx-version-min=$(OSX_MIN_VERSION) -isysroot $(OSX_SDK) -mlinker-version=$(LD64_VERSION) -stdlib=libc++ -B $(host_prefix)/native/bin
 
 darwin_CFLAGS=-pipe
-darwin_CXXFLAGS=$(darwin_CFLAGS)
+darwin_CXXFLAGS=$(darwin_CFLAGS) -std=c++11
 
-darwin_release_CFLAGS=-O2
+darwin_release_CFLAGS=-O2 -g
 darwin_release_CXXFLAGS=$(darwin_release_CFLAGS)
 
-darwin_debug_CFLAGS=-Og
-darwin_debug_CXXFLAGS=$(darwin_debug_CFLAGS)
+darwin_debug_CFLAGS=-Og -g
+darwin_debug_CXXFLAGS=-O0 -g
+
+darwin_native_toolchain=native_cctools
 
-darwin_native_toolchain=native_cctools
\ No newline at end of file
diff --git a/depends/hosts/linux.mk b/depends/hosts/linux.mk
index d5495a4b2..3f1fe2bca 100644
--- a/depends/hosts/linux.mk
+++ b/depends/hosts/linux.mk
@@ -1,7 +1,10 @@
 linux_CFLAGS=-pipe
-linux_CXXFLAGS=$(linux_CFLAGS)
+linux_CXXFLAGS=$(linux_CFLAGS) -std=c++11
 
-linux_release_CFLAGS=-O3 -g -include $(BASEDIR)/glibc_version_header/force_link_glibc_2.19.h
+linux_release_CFLAGS=-O3 -g
+ifeq (1,$(shell ldd --version | head -1 | awk '{print $$NF < 2.28}'))
+linux_release_CFLAGS+= -include $(BASEDIR)/glibc_version_header/force_link_glibc_2.19.h
+endif
 linux_release_CXXFLAGS=$(linux_release_CFLAGS)
 
 linux_debug_CFLAGS=-O1 -g
diff --git a/depends/hosts/mingw32.mk b/depends/hosts/mingw32.mk
index dbfb62fdc..19274955a 100644
--- a/depends/hosts/mingw32.mk
+++ b/depends/hosts/mingw32.mk
@@ -1,10 +1,11 @@
 mingw32_CFLAGS=-pipe
-mingw32_CXXFLAGS=$(mingw32_CFLAGS)
+mingw32_CXXFLAGS=$(mingw32_CFLAGS) -std=c++11
 
-mingw32_release_CFLAGS=-O2
+mingw32_release_CFLAGS=-O2 -g
 mingw32_release_CXXFLAGS=$(mingw32_release_CFLAGS)
 
-mingw32_debug_CFLAGS=-O1
-mingw32_debug_CXXFLAGS=$(mingw32_debug_CFLAGS)
+mingw32_debug_CFLAGS=-O1 -g
+mingw32_debug_CXXFLAGS=-O0 -g
 
 mingw32_debug_CPPFLAGS=-D_GLIBCXX_DEBUG -D_GLIBCXX_DEBUG_PEDANTIC
+
diff --git a/depends/packages/bdb.mk b/depends/packages/bdb.mk
index 6c9876c2c..cc9ae4a8c 100644
--- a/depends/packages/bdb.mk
+++ b/depends/packages/bdb.mk
@@ -1,6 +1,6 @@
 package=bdb
 $(package)_version=4.8.30
-$(package)_download_path=http://download.oracle.com/berkeley-db
+$(package)_download_path=https://download.oracle.com/berkeley-db
 $(package)_file_name=db-$($(package)_version).NC.tar.gz
 $(package)_sha256_hash=12edc0df75bf9abd7f82f821795bcee50f42cb2e5f76a6a281b85732798364ef
 $(package)_build_subdir=build_unix
@@ -9,7 +9,7 @@ define $(package)_set_vars
 $(package)_config_opts=--disable-shared --enable-cxx --disable-replication
 $(package)_config_opts_mingw32=--enable-mingw
 $(package)_config_opts_linux=--with-pic
-$(package)_cxxflags=-std=c++11
+$(package)_cppflags_mingw32=-DUNICODE -D_UNICODE
 endef
 
 define $(package)_preprocess_cmds
@@ -29,3 +29,4 @@ endef
 define $(package)_stage_cmds
   $(MAKE) DESTDIR=$($(package)_staging_dir) install_lib install_include
 endef
+
diff --git a/depends/packages/icu.mk b/depends/packages/icu.mk
index 9a8bb65a4..9f623a7bd 100644
--- a/depends/packages/icu.mk
+++ b/depends/packages/icu.mk
@@ -22,7 +22,6 @@ define $(package)_preprocess_cmds
   PKG_CONFIG_SYSROOT_DIR=/ \
   PKG_CONFIG_LIBDIR=$(host_prefix)/lib/pkgconfig \
   PKG_CONFIG_PATH=$(host_prefix)/share/pkgconfig \
-  sed -i.old 's/^GEN_DEPS.cc.*/& $(CXXFLAGS)/' source/config/mh-mingw* && \
   mkdir -p build && cd build && \
   ../source/runConfigureICU Linux $($(package)_standard_opts) CXXFLAGS=-std=c++11 && \
   $(MAKE) && cd ..
@@ -32,6 +31,8 @@ define $(package)_config_cmds
   PKG_CONFIG_SYSROOT_DIR=/ \
   PKG_CONFIG_LIBDIR=$(host_prefix)/lib/pkgconfig \
   PKG_CONFIG_PATH=$(host_prefix)/share/pkgconfig \
+  sed -i.old 's|^GEN_DEPS.c=.*|& $($(package)_cflags)|' config/mh-mingw* && \
+  sed -i.old 's|^GEN_DEPS.cc=.*|& $($(package)_cxxflags)|' config/mh-mingw* && \
   $($(package)_autoconf)
 endef
 
diff --git a/depends/packages/libevent.mk b/depends/packages/libevent.mk
index 5f622f8e6..a3ade899b 100644
--- a/depends/packages/libevent.mk
+++ b/depends/packages/libevent.mk
@@ -27,4 +27,5 @@ define $(package)_stage_cmds
 endef
 
 define $(package)_postprocess_cmds
+  rm lib/*.la
 endef
diff --git a/depends/packages/miniupnpc.mk b/depends/packages/miniupnpc.mk
index 5ad2b580d..fdbe22cda 100644
--- a/depends/packages/miniupnpc.mk
+++ b/depends/packages/miniupnpc.mk
@@ -1,6 +1,6 @@
 package=miniupnpc
 $(package)_version=2.0.20180203
-$(package)_download_path=http://miniupnp.free.fr/files
+$(package)_download_path=https://miniupnp.tuxfamily.org/files/
 $(package)_file_name=$(package)-$($(package)_version).tar.gz
 $(package)_sha256_hash=90dda8c7563ca6cd4a83e23b3c66dbbea89603a1675bfdb852897c2c9cc220b7
 
diff --git a/depends/packages/openssl.mk b/depends/packages/openssl.mk
index db47113b2..dbc74335f 100644
--- a/depends/packages/openssl.mk
+++ b/depends/packages/openssl.mk
@@ -5,7 +5,7 @@ $(package)_file_name=$(package)-$($(package)_version).tar.gz
 $(package)_sha256_hash=8f9faeaebad088e772f4ef5e38252d472be4d878c6b3a2718c10a4fcebe7a41c
 
 define $(package)_set_vars
-$(package)_config_env=AR="$($(package)_ar)" RANLIB="$($(package)_ranlib)" CC="$($(package)_cc)"
+$(package)_config_env=AR="$($(package)_ar)" RANLIB="$($(package)_ranlib)" CC="$($(package)_cc) $($(package)_cflags) $($(package)_cppflags)"
 $(package)_config_opts=--prefix=$(host_prefix) --openssldir=$(host_prefix)/etc/openssl
 $(package)_config_opts+=no-camellia
 $(package)_config_opts+=no-capieng
@@ -42,7 +42,6 @@ $(package)_config_opts+=no-weak-ssl-ciphers
 $(package)_config_opts+=no-whirlpool
 $(package)_config_opts+=no-zlib
 $(package)_config_opts+=no-zlib-dynamic
-$(package)_config_opts+=$($(package)_cflags) $($(package)_cppflags)
 $(package)_config_opts_linux=-fPIC -Wa,--noexecstack
 $(package)_config_opts_x86_64_linux=linux-x86_64
 $(package)_config_opts_i686_linux=linux-generic32
diff --git a/depends/packages/protobuf.mk b/depends/packages/protobuf.mk
index 54d3fd924..5affad283 100644
--- a/depends/packages/protobuf.mk
+++ b/depends/packages/protobuf.mk
@@ -4,7 +4,6 @@ $(package)_download_path=$(native_$(package)_download_path)
 $(package)_file_name=$(native_$(package)_file_name)
 $(package)_sha256_hash=$(native_$(package)_sha256_hash)
 $(package)_dependencies=native_$(package)
-$(package)_cxxflags=-std=c++11
 
 define $(package)_set_vars
   $(package)_config_opts=--disable-shared --with-protoc=$(build_prefix)/bin/protoc
diff --git a/depends/packages/zeromq.mk b/depends/packages/zeromq.mk
index dfbc50580..7df9beb9f 100644
--- a/depends/packages/zeromq.mk
+++ b/depends/packages/zeromq.mk
@@ -6,9 +6,10 @@ $(package)_sha256_hash=bcbabe1e2c7d0eec4ed612e10b94b112dd5f06fcefa994a0c79a45d83
 $(package)_patches=0001-fix-build-with-older-mingw64.patch 0002-disable-pthread_set_name_np.patch
 
 define $(package)_set_vars
-  $(package)_config_opts=--without-docs --disable-shared --without-libsodium --disable-curve --disable-curve-keygen --disable-perf --disable-Werror
+  $(package)_config_opts=--without-docs --disable-shared --without-libsodium --disable-curve --disable-curve-keygen --disable-perf --disable-Werror --disable-drafts
+  $(package)_config_opts += --without-libsodium --without-libgssapi_krb5 --without-pgm --without-norm --without-vmci
+  $(package)_config_opts += --disable-libunwind --disable-radix-tree --without-gcov
   $(package)_config_opts_linux=--with-pic
-  $(package)_cxxflags=-std=c++11
 endef
 
 define $(package)_preprocess_cmds
@@ -31,5 +32,5 @@ endef
 
 define $(package)_postprocess_cmds
   sed -i.old "s/ -lstdc++//" lib/pkgconfig/libzmq.pc && \
-  rm -rf bin share
+  rm -rf bin share lib/*.la
 endef