diff --git a/contrib/depends/packages/boost.mk b/contrib/depends/packages/boost.mk
index 9e2724678..d4c332d16 100644
--- a/contrib/depends/packages/boost.mk
+++ b/contrib/depends/packages/boost.mk
@@ -18,7 +18,7 @@ $(package)_config_opts_mingw32=binary-format=pe target-os=windows threadapi=win3
 $(package)_config_opts_x86_64_mingw32=address-model=64
 $(package)_config_opts_i686_mingw32=address-model=32
 $(package)_config_opts_i686_linux=address-model=32 architecture=x86
-$(package)_toolset_$(host_os)=gcc
+$(package)_toolset_$(host_os)=$(build_CC)
 $(package)_archiver_$(host_os)=$($(package)_ar)
 $(package)_config_libraries_$(host_os)="chrono,filesystem,program_options,thread,test,serialization"
 $(package)_config_libraries_mingw32="chrono,filesystem,program_options,thread,test,serialization,locale"
@@ -33,7 +33,7 @@ define $(package)_preprocess_cmds
 endef
 
 define $(package)_config_cmds
-  ./bootstrap.sh --without-icu --with-libraries=$(boost_config_libraries_$(host_os))
+  ./bootstrap.sh --with-toolset=$(build_CC) --without-icu --with-libraries=$(boost_config_libraries_$(host_os))
 endef
 
 define $(package)_build_cmds
diff --git a/contrib/depends/packages/ncurses.mk b/contrib/depends/packages/ncurses.mk
index 004c29372..5bd6c3f61 100644
--- a/contrib/depends/packages/ncurses.mk
+++ b/contrib/depends/packages/ncurses.mk
@@ -10,7 +10,7 @@ define $(package)_set_vars
   $(package)_config_env=cf_cv_ar_flags=""
   $(package)_config_opts=--prefix=$(host_prefix)
   $(package)_config_opts+=--disable-shared
-  $(package)_config_opts+=--with-build-cc=gcc
+  $(package)_config_opts+=--with-build-cc=$(build_CC)
   $(package)_config_opts+=--without-debug
   $(package)_config_opts+=--without-ada
   $(package)_config_opts+=--without-cxx-binding