diff --git a/packages/apt/build.sh b/packages/apt/build.sh
index dc9289c14..4c8bd0f78 100644
--- a/packages/apt/build.sh
+++ b/packages/apt/build.sh
@@ -14,13 +14,13 @@ TERMUX_PKG_FOLDERNAME=apt-${TERMUX_PKG_VERSION}
 TERMUX_PKG_ESSENTIAL=yes
 TERMUX_PKG_CONFFILES="etc/apt/sources.list"
 
-# Some files use STD*_FILENO without including <unistd.h> where they are declared.
-# Define them here to avoid having to patch files:
-CXXFLAGS+=" -DSTDIN_FILENO=0 -DSTDOUT_FILENO=1 -DSTDERR_FILENO=2 -DAI_IDN=0"
-
 termux_step_pre_configure () {
+	# Some files use STD*_FILENO without including <unistd.h> where they are declared.
+	# Define them here to avoid having to patch files:
+	CXXFLAGS+=" -DSTDIN_FILENO=0 -DSTDOUT_FILENO=1 -DSTDERR_FILENO=2 -DAI_IDN=0"
+
 	cp $TERMUX_COMMON_CACHEDIR/config.{guess,sub} $TERMUX_PKG_SRCDIR/buildlib
-        perl -p -i -e "s/TERMUX_ARCH/$TERMUX_ARCH/" $TERMUX_PKG_SRCDIR/configure
+	perl -p -i -e "s/TERMUX_ARCH/$TERMUX_ARCH/" $TERMUX_PKG_SRCDIR/configure
 
 	rm $TERMUX_PKG_SRCDIR/apt-pkg/{cdrom.cc,indexcopy.cc}
 }
diff --git a/packages/autossh/build.sh b/packages/autossh/build.sh
index 2fc22c4f5..be5bd787d 100644
--- a/packages/autossh/build.sh
+++ b/packages/autossh/build.sh
@@ -6,5 +6,7 @@ TERMUX_PKG_BUILD_IN_SRC="yes"
 TERMUX_PKG_DEPENDS="openssh"
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS="--mandir=$TERMUX_PREFIX/share/man ac_cv_path_ssh=$TERMUX_PREFIX/bin/ssh"
 
-# For syslog logging:
-LDFLAGS+=" -llog"
+termux_step_pre_configure () {
+	# For syslog logging:
+	LDFLAGS+=" -llog"
+}
diff --git a/packages/busybox/build.sh b/packages/busybox/build.sh
index 169c361e5..63dc4f564 100755
--- a/packages/busybox/build.sh
+++ b/packages/busybox/build.sh
@@ -11,7 +11,9 @@ TERMUX_PKG_CONFLICTS="coreutils (<< 8.25-4)"
 # NOTE: sed on mac does not work for building busybox, install gnu-sed with
 #       homebrew using the --with-default-names option.
 
-CFLAGS+=" -llog -DTERMUX_EXPOSE_MEMPCPY=1" # Android system liblog.so for syslog
+termux_step_pre_configure () {
+	CFLAGS+=" -llog -DTERMUX_EXPOSE_MEMPCPY=1" # Android system liblog.so for syslog
+}
 
 termux_step_configure () {
 	# Bug in gold linker with busybox in android r10e:
@@ -35,7 +37,7 @@ termux_step_post_make_install () {
 	cd $TERMUX_PREFIX/bin/applets
 	for f in `cat $TERMUX_PKG_SRCDIR/busybox.links`; do ln -s ../busybox `basename $f`; done
 
-        # The 'ash' and 'env' applets are special in that they go into $PREFIX/bin:
+	# The 'ash' and 'env' applets are special in that they go into $PREFIX/bin:
 	cd $TERMUX_PREFIX/bin
 	ln -f -s busybox ash
 	ln -f -s busybox env
diff --git a/packages/cboard/build.sh b/packages/cboard/build.sh
index 9f354fb0b..340480aa1 100644
--- a/packages/cboard/build.sh
+++ b/packages/cboard/build.sh
@@ -4,5 +4,7 @@ TERMUX_PKG_VERSION=0.7.3
 TERMUX_PKG_SRCURL=http://downloads.sourceforge.net/project/c-board/${TERMUX_PKG_VERSION}/cboard-${TERMUX_PKG_VERSION}.tar.bz2
 TERMUX_PKG_DEPENDS="libandroid-support,libandroid-glob,gnuchess, ncurses, ncurses-ui-libs"
 
-CFLAGS+=" -DLINE_MAX=_POSIX2_LINE_MAX"
-LDFLAGS+=" -landroid-glob"
+termux_step_pre_configure () {
+	CFLAGS+=" -DLINE_MAX=_POSIX2_LINE_MAX"
+	LDFLAGS+=" -landroid-glob"
+}
diff --git a/packages/nano/build.sh b/packages/nano/build.sh
index 699ee8f29..ef776562e 100644
--- a/packages/nano/build.sh
+++ b/packages/nano/build.sh
@@ -7,7 +7,9 @@ TERMUX_PKG_DEPENDS="libandroid-support,libandroid-glob,ncurses"
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS="--enable-utf8 --disable-libmagic"
 TERMUX_PKG_RM_AFTER_INSTALL="bin/rnano share/man/man1/rnano.1 share/nano/man-html"
 
-LDFLAGS+=" -landroid-glob"
+termux_step_pre_configure() {
+	LDFLAGS+=" -landroid-glob"
+}
 
 termux_step_post_make_install () {
 	# Configure nano to use syntax highlighting:
diff --git a/packages/psmisc/build.sh b/packages/psmisc/build.sh
index aa099a61f..a2b6a842c 100644
--- a/packages/psmisc/build.sh
+++ b/packages/psmisc/build.sh
@@ -5,4 +5,6 @@ TERMUX_PKG_VERSION=22.21
 TERMUX_PKG_SRCURL=http://downloads.sourceforge.net/project/psmisc/psmisc/psmisc-${TERMUX_PKG_VERSION}.tar.gz
 TERMUX_PKG_RM_AFTER_INSTALL="bin/pstree.x11"
 
-CFLAGS+=" -DTERMUX_EXPOSE_MEMPCPY=1"
+termux_step_pre_configure() {
+	CFLAGS+=" -DTERMUX_EXPOSE_MEMPCPY=1"
+}