diff --git a/.ci/travis-build.sh b/.ci/travis-build.sh
new file mode 100755
index 0000000..6c76689
--- /dev/null
+++ b/.ci/travis-build.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+set -e -x
+
+# set RTEMS to eg. "4.9" or "4.10"
+# requires qemu, bison, flex, texinfo, install-info
+if [ -n "$RTEMS" ]
+then
+  # find local qemu-system-i386
+  export PATH="$HOME/.cache/qemu/usr/bin:$PATH"
+  echo -n "Using QEMU: "
+  type qemu-system-i386 || echo "Missing qemu"
+  EXTRA=RTEMS_QEMU_FIXUPS=YES
+fi
+
+make -j2 $EXTRA
+
+if [ "$TEST" != "NO" ]
+then
+  make tapfiles
+  find . -name '*.tap' -print0 | xargs -0 -n1 prove -e cat -f
+fi
diff --git a/.ci/travis-prepare.sh b/.ci/travis-prepare.sh
new file mode 100755
index 0000000..d5d60aa
--- /dev/null
+++ b/.ci/travis-prepare.sh
@@ -0,0 +1,177 @@
+#!/bin/sh
+set -e -x
+
+CURDIR="$PWD"
+
+QDIR="$HOME/.cache/qemu"
+
+if [ -n "$RTEMS" -a "$TEST" = "YES" ]
+then
+  git clone --quiet --branch vme --depth 10 https://github.com/mdavidsaver/qemu.git "$HOME/.build/qemu"
+  cd "$HOME/.build/qemu"
+
+  HEAD=`git log -n1 --pretty=format:%H`
+  echo "HEAD revision $HEAD"
+
+  [ -e "$HOME/.cache/qemu/built" ] && BUILT=`cat "$HOME/.cache/qemu/built"`
+  echo "Cached revision $BUILT"
+
+  if [ "$HEAD" != "$BUILT" ]
+  then
+    echo "Building QEMU"
+    git submodule --quiet update --init
+
+    install -d "$HOME/.build/qemu/build"
+    cd         "$HOME/.build/qemu/build"
+
+    "$HOME/.build/qemu/configure" --prefix="$HOME/.cache/qemu/usr" --target-list=i386-softmmu --disable-werror
+    make -j2
+    make install
+
+    echo "$HEAD" > "$HOME/.cache/qemu/built"
+  fi
+fi
+
+cat << EOF > $CURDIR/configure/RELEASE.local
+EPICS_BASE=$HOME/.source/epics-base
+EOF
+
+install -d "$HOME/.source"
+cd "$HOME/.source"
+
+add_base_module() {
+  MODULE=$1
+  BRANCH=$2
+  ( cd epics-base/modules && \
+  git clone --quiet --depth 5 --branch $MODULE/$BRANCH https://github.com/${REPOBASE:-epics-base}/epics-base.git $MODULE && \
+  cd $MODULE && git log -n1 )
+}
+
+add_gh_module() {
+  MODULE=$1
+  REPOOWNER=$2
+  REPONAME=$3
+  BRANCH=$4
+  ( cd epics-base/modules && \
+  git clone --quiet --depth 5 --branch $BRANCH https://github.com/$REPOOWNER/$REPONAME.git $MODULE && \
+  cd $MODULE && git log -n1 )
+}
+
+add_gh_flat() {
+  MODULE=$1
+  REPOOWNER=$2
+  REPONAME=$3
+  BRANCH=$4
+  MODULE_UC=$(echo $MODULE | tr 'a-z' 'A-Z')
+  ( git clone --quiet --depth 5 --branch $BRANCH https://github.com/$REPOOWNER/$REPONAME.git $MODULE && \
+  cd $MODULE && git log -n1 )
+  cat < $CURDIR/configure/RELEASE.local > $MODULE/configure/RELEASE.local
+  cat << EOF >> $CURDIR/configure/RELEASE.local
+${MODULE_UC}=$HOME/.source/$MODULE
+EOF
+}
+
+if [ "$BRBASE" ]
+then
+  git clone --quiet --depth 5 --branch "$BRBASE" https://github.com/${REPOBASE:-epics-base}/epics-base.git epics-base
+  (cd epics-base && git log -n1 )
+  add_gh_flat pvData ${REPOPVD:-epics-base} pvDataCPP ${BRPVD:-master}
+  add_gh_flat pvAccess ${REPOPVA:-epics-base} pvAccessCPP ${BRPVA:-master}
+else
+  git clone --quiet --depth 5 --branch core/"${BRCORE:-master}" https://github.com/${REPOBASE:-epics-base}/epics-base.git epics-base
+  ( cd epics-base && git log -n1 )
+  add_base_module libcom "${BRLIBCOM:-master}"
+  add_base_module ca "${BRCA:-master}"
+  add_base_module database "${BRDATABASE:-master}"
+  add_gh_module pvData ${REPOPVD:-epics-base} pvDataCPP ${BRPVD:-master}
+  add_gh_module pvAccess ${REPOPVA:-epics-base} pvAccessCPP ${BRPVA:-master}
+fi
+
+if [ -e $CURDIR/configure/RELEASE.local ]
+then
+  cat $CURDIR/configure/RELEASE.local
+fi
+
+EPICS_HOST_ARCH=`sh epics-base/startup/EpicsHostArch`
+
+# requires wine and g++-mingw-w64-i686
+if [ "$WINE" = "32" ]
+then
+  echo "Cross mingw32"
+  sed -i -e '/CMPLR_PREFIX/d' epics-base/configure/os/CONFIG_SITE.linux-x86.win32-x86-mingw
+  cat << EOF >> epics-base/configure/os/CONFIG_SITE.linux-x86.win32-x86-mingw
+CMPLR_PREFIX=i686-w64-mingw32-
+EOF
+  cat << EOF >> epics-base/configure/CONFIG_SITE
+CROSS_COMPILER_TARGET_ARCHS+=win32-x86-mingw
+EOF
+fi
+
+if [ "$STATIC" = "YES" ]
+then
+  echo "Build static libraries/executables"
+  cat << EOF >> epics-base/configure/CONFIG_SITE
+SHARED_LIBRARIES=NO
+STATIC_BUILD=YES
+EOF
+fi
+
+case "$CMPLR" in
+clang)
+  echo "Host compiler is clang"
+  cat << EOF >> epics-base/configure/os/CONFIG_SITE.Common.$EPICS_HOST_ARCH
+GNU         = NO
+CMPLR_CLASS = clang
+CC          = clang
+CCC         = clang++
+EOF
+
+  # hack
+  sed -i -e 's/CMPLR_CLASS = gcc/CMPLR_CLASS = clang/' epics-base/configure/CONFIG.gnuCommon
+
+  clang --version
+  ;;
+*)
+  echo "Host compiler is default"
+  gcc --version
+  ;;
+esac
+
+cat <<EOF >> epics-base/configure/CONFIG_SITE
+USR_CPPFLAGS += $USR_CPPFLAGS
+USR_CFLAGS += $USR_CFLAGS
+USR_CXXFLAGS += $USR_CXXFLAGS
+EOF
+
+# set RTEMS to eg. "4.9" or "4.10"
+# requires qemu, bison, flex, texinfo, install-info
+if [ -n "$RTEMS" ]
+then
+  echo "Cross RTEMS${RTEMS} for pc386"
+  install -d /home/travis/.cache
+  curl -L "https://github.com/mdavidsaver/rsb/releases/download/travis-20160306-2/rtems${RTEMS}-i386-trusty-20190306-2.tar.gz" \
+  | tar -C /home/travis/.cache -xj
+
+  sed -i -e '/^RTEMS_VERSION/d' -e '/^RTEMS_BASE/d' epics-base/configure/os/CONFIG_SITE.Common.RTEMS
+  cat << EOF >> epics-base/configure/os/CONFIG_SITE.Common.RTEMS
+RTEMS_VERSION=$RTEMS
+RTEMS_BASE=/home/travis/.cache/rtems${RTEMS}-i386
+EOF
+  cat << EOF >> epics-base/configure/CONFIG_SITE
+CROSS_COMPILER_TARGET_ARCHS+=RTEMS-pc386
+EOF
+
+  # find local qemu-system-i386
+  export PATH="$HOME/.cache/qemu/usr/bin:$PATH"
+  echo -n "Using QEMU: "
+  type qemu-system-i386 || echo "Missing qemu"
+  EXTRA=RTEMS_QEMU_FIXUPS=YES
+fi
+
+make -j2 -C epics-base $EXTRA
+
+if [ "$BRBASE" ]
+then
+make -j2 -C pvData $EXTRA
+make -j2 -C pvAccess $EXTRA
+fi
diff --git a/.travis.yml b/.travis.yml
index e4b2b82..c829481 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,12 +11,19 @@ addons:
     - perl
     - clang
     - g++-mingw-w64-i686
+install:
+ - ./.ci/travis-prepare.sh
+script:
+ - ./.ci/travis-build.sh
 env:
- - BRBASE=3.16 WINE=32
- - BRBASE=3.16 USR_CXXFLAGS=-std=c++11 CMPLR=clang
+ - BRCORE=master BRLIBCOM=master BRPVD=master BRPVA=master
+ - CMPLR=clang
+ - USR_CXXFLAGS=-std=c++11
+ - CMPLR=clang USR_CXXFLAGS=-std=c++11
+ - WINE=32 TEST=NO STATIC=YES
+ - WINE=32 TEST=NO STATIC=NO
+ - RTEMS=4.10 TEST=NO
+ - RTEMS=4.9 TEST=NO
+ - BRBASE=3.16
  - BRBASE=3.15
  - BRBASE=3.14
-install:
- - ./build-deps.sh
-script:
- - make -j2
diff --git a/build-deps.sh b/build-deps.sh
deleted file mode 100755
index 9ac0260..0000000
--- a/build-deps.sh
+++ /dev/null
@@ -1,72 +0,0 @@
-#!/bin/sh
-set -e -x
-
-CURDIR="$PWD"
-
-cat << EOF > configure/RELEASE.local
-EPICS_BASE=$HOME/.source/epics-base
-PVDATA=$HOME/.source/pvDataCPP
-PVACCESS=$HOME/.source/pvAccessCPP
-EOF
-cat configure/RELEASE.local
-
-install -d "$HOME/.source"
-cd "$HOME/.source"
-
-git clone --quiet --depth 5 --branch "${BRBASE:-master}" https://github.com/epics-base/epics-base.git epics-base
-git clone --quiet --depth 5 --branch "${BRPVD:-master}" https://github.com/epics-base/pvDataCPP.git pvDataCPP
-git clone --quiet --depth 5 --branch "${BRPVA:-master}" https://github.com/epics-base/pvAccessCPP.git pvAccessCPP
-
-(cd epics-base && git log -n1 )
-(cd pvDataCPP && git log -n1 )
-(cd pvAccessCPP && git log -n1 )
-
-EPICS_HOST_ARCH=`sh epics-base/startup/EpicsHostArch`
-
-# requires wine and g++-mingw-w64-i686
-if [ "$WINE" = "32" ]
-then
-  echo "Cross mingw32"
-  sed -i -e '/CMPLR_PREFIX/d' epics-base/configure/os/CONFIG_SITE.linux-x86.win32-x86-mingw
-  cat << EOF >> epics-base/configure/os/CONFIG_SITE.linux-x86.win32-x86-mingw
-CMPLR_PREFIX=i686-w64-mingw32-
-EOF
-  cat << EOF >> epics-base/configure/CONFIG_SITE
-CROSS_COMPILER_TARGET_ARCHS+=win32-x86-mingw
-EOF
-fi
-
-case "$CMPLR" in
-clang)
-  echo "Host compiler is clang"
-  cat << EOF >> epics-base/configure/os/CONFIG_SITE.Common.$EPICS_HOST_ARCH
-GNU         = NO
-CMPLR_CLASS = clang
-CC          = clang
-CCC         = clang++
-EOF
-
-  # hack
-  sed -i -e 's/CMPLR_CLASS = gcc/CMPLR_CLASS = clang/' epics-base/configure/CONFIG.gnuCommon
-
-  clang --version
-  ;;
-*)
-  echo "Host compiler is default"
-  gcc --version
-  ;;
-esac
-
-cat << EOF > pvDataCPP/configure/RELEASE.local
-EPICS_BASE=$HOME/.source/epics-base
-EOF
-
-cat << EOF > pvAccessCPP/configure/RELEASE.local
-PVDATA=$HOME/.source/pvDataCPP
-EPICS_BASE=$HOME/.source/epics-base
-EOF
-
-
-make -j2 -C epics-base
-make -j2 -C pvDataCPP
-make -j2 -C pvAccessCPP