c3-lang/libffi

diff --git a/.travis.yml b/.travis.yml
index 7cd3a18..5b4bc84 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -29,7 +29,9 @@ matrix:
     - os: linux
       env: HOST=m68k-linux-gnu MEVAL='export CC="m68k-linux-gnu-gcc-8 -mcpu=547x" && CXX="m68k-linux-gnu-g++-8 -mcpu=547x"' CONFIGURE_OPTIONS=--disable-shared QEMU_LD_PREFIX=/usr/m68k-linux-gnu QEMU_CPU=cfv4e
     - os: linux
-      env: HOST=s390x-linux-gnu MEVAL='export CC="s390x-linux-gnu-gcc-8" && CXX="s390x-linux-gnu-g++-8"' CONFIGURE_OPTIONS=--disable-shared QEMU_LD_PREFIX=/usr/s390x-linux-gnu QEMU_CPU=max
+      arch: s390x
+    - os: linux
+      arch: ppc64le
     - os: linux
       env: HOST=arm32v7-linux-gnu LIBFFI_TEST_OPTIMIZATION="-O0"
     - os: linux
@@ -39,9 +41,6 @@ matrix:
 # The sparc64 linux system in the GCC compile farm is non-responsive.
 #    - os: linux
 #      env: HOST=sparc64-linux-gnu
-# Having problems getting logs for this one...
-#    - os: linux
-#      env: HOST=powerpc64le-unknown-linux-gnu
 #    - os: linux
 #      env: HOST=aarch64-linux-gnu
 # The mips64 linux system in the GCC compile farm is not allowing logins
diff --git a/.travis/build.sh b/.travis/build.sh
index db596b3..c134f57 100755
--- a/.travis/build.sh
+++ b/.travis/build.sh
@@ -11,8 +11,7 @@ fi
 # Default to podman where available, docker otherwise.
 # Override by setting the DOCKER environment variable.
 if test -z "$DOCKER"; then
-  which podman > /dev/null 2>&1
-  if [ $? != 0 ]; then
+  if command -v podman > /dev/null; then
     export DOCKER=docker
   else
     export DOCKER=podman
@@ -50,7 +49,7 @@ function build_linux()
 
 function build_foreign_linux()
 {
-    ${DOCKER} run --rm -t -i -v `pwd`:/opt ${SET_QEMU_CPU} -e LIBFFI_TEST_OPTIMIZATION="${LIBFFI_TEST_OPTIMIZATION}" $2 bash -c /opt/.travis/build-in-container.sh
+    ${DOCKER} run --rm -t -i -v $(pwd):/opt ${SET_QEMU_CPU} -e LIBFFI_TEST_OPTIMIZATION="${LIBFFI_TEST_OPTIMIZATION}" $2 bash -c /opt/.travis/build-in-container.sh
 
     ./rlgl l https://rl.gl
     ID=$(./rlgl start)
@@ -60,7 +59,7 @@ function build_foreign_linux()
 
 function build_cross_linux()
 {
-    ${DOCKER} run --rm -t -i -v `pwd`:/opt ${SET_QEMU_CPU} -e HOST="${HOST}" -e CC="${HOST}-gcc-8 ${GCC_OPTIONS}" -e CXX="${HOST}-g++-8 ${GCC_OPTIONS}" -e LIBFFI_TEST_OPTIMIZATION="${LIBFFI_TEST_OPTIMIZATION}" moxielogic/cross-ci-build-container:latest bash -c /opt/.travis/build-in-container.sh
+    ${DOCKER} run --rm -t -i -v $(pwd):/opt ${SET_QEMU_CPU} -e HOST="${HOST}" -e CC="${HOST}-gcc-8 ${GCC_OPTIONS}" -e CXX="${HOST}-g++-8 ${GCC_OPTIONS}" -e LIBFFI_TEST_OPTIMIZATION="${LIBFFI_TEST_OPTIMIZATION}" moxielogic/cross-ci-build-container:latest bash -c /opt/.travis/build-in-container.sh
 
     ./rlgl l https://rl.gl
     ID=$(./rlgl start)
@@ -71,7 +70,7 @@ function build_cross_linux()
 function build_cross()
 {
     ${DOCKER} pull quay.io/moxielogic/libffi-ci-${HOST} 
-    ${DOCKER} run --rm -t -i -v `pwd`:/opt -e HOST="${HOST}" -e CC="${HOST}-gcc ${GCC_OPTIONS}" -e CXX="${HOST}-g++ ${GCC_OPTIONS}" -e TRAVIS_BUILD_DIR=/opt -e DEJAGNU="${DEJAGNU}" -e RUNTESTFLAGS="${RUNTESTFLAGS}" -e LIBFFI_TEST_OPTIMIZATION="${LIBFFI_TEST_OPTIMIZATION}" quay.io/moxielogic/libffi-ci-${HOST} bash -c /opt/.travis/build-cross-in-container.sh
+    ${DOCKER} run --rm -t -i -v $(pwd):/opt -e HOST="${HOST}" -e CC="${HOST}-gcc ${GCC_OPTIONS}" -e CXX="${HOST}-g++ ${GCC_OPTIONS}" -e TRAVIS_BUILD_DIR=/opt -e DEJAGNU="${DEJAGNU}" -e RUNTESTFLAGS="${RUNTESTFLAGS}" -e LIBFFI_TEST_OPTIMIZATION="${LIBFFI_TEST_OPTIMIZATION}" quay.io/moxielogic/libffi-ci-${HOST} bash -c /opt/.travis/build-cross-in-container.sh
 
     ./rlgl l https://rl.gl
     ID=$(./rlgl start)
@@ -112,7 +111,7 @@ case "$HOST" in
 	./autogen.sh
         build_foreign_linux arm moxielogic/arm32v7-ci-build-container:latest 
 	;;
-    aarch64-linux-gnu| powerpc64le-unknown-linux-gnu | mips64el-linux-gnu | sparc64-linux-gnu)
+    aarch64-linux-gnu | mips64el-linux-gnu | sparc64-linux-gnu)
         build_cfarm
 	;;
     bfin-elf )
@@ -131,7 +130,7 @@ case "$HOST" in
 	./autogen.sh
 	GCC_OPTIONS=-mcpu=547x build_cross_linux
 	;;
-    alpha-linux-gnu | sh4-linux-gnu | s390x-linux-gnu )
+    alpha-linux-gnu | sh4-linux-gnu )
 	./autogen.sh
 	build_cross_linux
 	;;