diff --git a/vars/build.vars b/vars/build.vars
index 6a7c595..3ca9faf 100644
--- a/vars/build.vars
+++ b/vars/build.vars
@@ -328,7 +328,9 @@ LIB_PACKAGES_PREFIX="${PREFIX_NATIVE}";
 : ${PKG_GZIP_MAKEFLAGS_INSTALL_EXTRA:=OBJA= prefix=};
 : ${PKG_GZIP_FLAVOUR_MINIPIX_LDFLAGS_BUILD_EXTRA:="-static"};
 : ${PKG_GZIP_FLAVOUR_MINIPIX_LDFLAGS_INSTALL_EXTRA:="-static"};
-: ${PKG_GZIP_FLAVOUR_MINIPIX_MAKEFLAGS_INSTALL_EXTRA:="DESTDIR=${PREFIX_MINIPIX} OBJA= prefix="};
+: ${PKG_GZIP_FLAVOUR_MINIPIX_MAKEFLAGS_INSTALL_EXTRA:="OBJA= prefix="};
+: ${PKG_GZIP_FLAVOUR_MINIPIX_PREFIX:=${PREFIX_MINIPIX}};
+: ${PKG_CURL_SHA256SUM:=7f8240048907e5030f67be0a6129bc4b333783b9cca1391026d700835a788dde};
 : ${PKG_LIBARCHIVE_SHA256SUM:=691c194ee132d1f0f7a42541f091db811bc2e56f7107e9121be2bc8c04f1060f};
 : ${PKG_LIBARCHIVE_VERSION:=3.2.2};
 : ${PKG_LIBARCHIVE_URL:=http://www.libarchive.org/downloads/libarchive-${PKG_LIBARCHIVE_VERSION}.tar.gz};
@@ -415,7 +417,7 @@ LIB_PACKAGES_PREFIX="${PREFIX_NATIVE}";
 : ${PKG_XZ_VERSION:=5.2.2};
 : ${PKG_XZ_URL:=https://github.com/xz-mirror/xz/releases/download/v${PKG_XZ_VERSION}/xz-${PKG_XZ_VERSION}.tar.gz};
 : ${PKG_XZ_FLAVOUR_MINIPIX_MAKEFLAGS_BUILD:="LIBTOOLFLAGS=-all-static"};
-: ${PKG_XZ_FLAVOUR_MINIPIX_MAKEFLAGS_INSTALL:="DESTDIR=${PREFIX_MINIPIX}"};
+: ${PKG_XZ_FLAVOUR_MINIPIX_PREFIX:=${PREFIX_MINIPIX}};
 
 : ${PKG_INPUTPROTO_SHA256SUM:=893a6af55733262058a27b38eeb1edc733669f01d404e8581b167f03c03ef31d};
 : ${PKG_INPUTPROTO_VERSION:=2.3.2};
@@ -519,6 +521,7 @@ LEAF_PACKAGES_PREFIX="${PREFIX_NATIVE}";
 : ${PKG_BASH_CONFIGURE_ARGS_EXTRA:="--without-bash-malloc --with-curses"};
 : ${PKG_BASH_FLAVOUR_MINIPIX_CONFIGURE_ARGS_EXTRA:="--enable-static-link --without-bash-malloc --with-curses"};
 : ${PKG_BASH_FLAVOUR_MINIPIX_MAKEFLAGS_INSTALL:="DESTDIR=${PREFIX_MINIPIX}"};
+: ${PKG_BASH_FLAVOUR_MINIPIX_PREFIX=${PREFIX_MINIPIX}};
 : ${PKG_BC_SHA256SUM:=7ee4abbcfac03d8a6e1a8a3440558a3d239d6b858585063e745c760957725ecc};
 : ${PKG_BC_VERSION:=1.06.95};
 : ${PKG_BC_URL:=http://alpha.gnu.org/gnu/bc/bc-${PKG_BC_VERSION}.tar.bz2};
@@ -549,8 +552,8 @@ LEAF_PACKAGES_PREFIX="${PREFIX_NATIVE}";
 : ${PKG_COREUTILS_MAKEFLAGS_BUILD_EXTRA:=V=99};
 : ${PKG_COREUTILS_FLAVOUR_MINIPIX_LDFLAGS_BUILD_EXTRA:="-static"};
 : ${PKG_COREUTILS_FLAVOUR_MINIPIX_MAKEFLAGS_BUILD_EXTRA:="SHARED=0"};
-: ${PKG_COREUTILS_FLAVOUR_MINIPIX_MAKEFLAGS_INSTALL:="DESTDIR=${PREFIX_MINIPIX}"};
 : ${PKG_COREUTILS_FLAVOUR_MINIPIX_INSTALL_TARGET:=install-binPROGRAMS};
+: ${PKG_COREUTILS_FLAVOUR_MINIPIX_PREFIX:=${PREFIX_MINIPIX}};
 : ${PKG_CPARSER_URLS_GIT:="cparser=http://pp.info.uni-karlsruhe.de/git/cparser.git@master bcparser=${GITROOT}/compilers/bcparser@main"};
 : ${PKG_CPARSER_BUILD_DIR:=cparser+libfirm/build/cparser};
 : ${PKG_CPARSER_CONFIGURE:=bcparser/configure};
@@ -800,6 +803,7 @@ LEAF_PACKAGES_PREFIX="${PREFIX_NATIVE}";
 : ${PKG_TAR_FLAVOUR_MINIPIX_LDFLAGS_BUILD_EXTRA:="-static"};
 : ${PKG_TAR_FLAVOUR_MINIPIX_MAKEFLAGS_BUILD_EXTRA:="SHARED=0"};
 : ${PKG_TAR_FLAVOUR_MINIPIX_MAKEFLAGS_INSTALL:="DESTDIR=${PREFIX_MINIPIX}"};
+: ${PKG_TAR_FLAVOUR_MINIPIX_PREFIX:=${PREFIX_MINIPIX}};
 : ${PKG_TCSH_SHA256SUM:=b89de7064ab54dac454a266cfe5d8bf66940cb5ed048d0c30674ea62e7ecef9d};
 : ${PKG_TCSH_VERSION:=6.20.00};
 : ${PKG_TCSH_URL:=http://ftp.funet.fi/pub/mirrors/ftp.astron.com/pub/tcsh/tcsh-${PKG_TCSH_VERSION}.tar.gz};