Add build targets to the Makefile, and update CircleCI tests
diff --git a/Makefile b/Makefile
index f0492d9..e10d292 100644
--- a/Makefile
+++ b/Makefile
@@ -35,6 +35,13 @@
 	$(MAKE) -C $(TESTDIR) all
 	$(MAKE) -C $(ZWRAPDIR) all
 
+#skip zwrapper, can't build that on alternate architectures without the proper zlib installed
+.PHONY: allarch
+allarch:
+	$(MAKE) -C $(ZSTDDIR) all
+	$(MAKE) -C $(PRGDIR) all
+	$(MAKE) -C $(TESTDIR) all
+
 .PHONY: all32
 all32:
 	$(MAKE) -C $(PRGDIR) zstd32
@@ -94,7 +101,6 @@
 	@$(RM) zstd$(EXT) zstdmt$(EXT) tmp*
 	@echo Cleaning completed
 
-
 #------------------------------------------------------------------------------
 # make install is validated only for Linux, OSX, Hurd and some BSD targets
 #------------------------------------------------------------------------------
@@ -113,9 +119,41 @@
 travis-install:
 	$(MAKE) install PREFIX=~/install_test_dir
 
-gpptest: clean
+gppbuild: clean
+	g++ -v
 	CC=g++ $(MAKE) -C programs all CFLAGS="-O3 -Wall -Wextra -Wundef -Wshadow -Wcast-align -Werror"
 
+gcc5build: clean
+	gcc-5 -v
+	CC=gcc-5 $(MAKE) all MOREFLAGS="-Werror"
+
+gcc6build: clean
+	gcc-6 -v
+	CC=gcc-6 $(MAKE) all MOREFLAGS="-Werror"
+
+clangbuild: clean
+	clang -v
+	CXX=clang++ CC=clang $(MAKE) all MOREFLAGS="-Werror -Wconversion -Wno-sign-conversion -Wdocumentation"
+
+m32build: clean
+	gcc -v
+	$(MAKE) all32
+
+armbuild: clean
+	CC=arm-linux-gnueabi-gcc CFLAGS="-Werror" $(MAKE) allarch
+
+aarch64build: clean
+	CC=aarch64-linux-gnu-gcc CFLAGS="-Werror" $(MAKE) allarch
+
+ppcbuild: clean
+	CC=powerpc-linux-gnu-gcc CLAGS="-m32 -Wno-attributes -Werror" $(MAKE) allarch
+
+ppc64build: clean
+	CC=powerpc-linux-gnu-gcc CFLAGS="-m64 -Werror" $(MAKE) allarch
+
+gpptest: clean
+	CC=g++ $(MAKE) -C $(PRGDIR) all CFLAGS="-O3 -Wall -Wextra -Wundef -Wshadow -Wcast-align -Werror"
+
 gcc5test: clean
 	gcc-5 -v
 	$(MAKE) all CC=gcc-5 MOREFLAGS="-Werror"
@@ -126,7 +164,7 @@
 
 clangtest: clean
 	clang -v
-	$(MAKE) all CC=clang MOREFLAGS="-Werror -Wconversion -Wno-sign-conversion -Wdocumentation"
+	$(MAKE) all CXX=clang-++ CC=clang MOREFLAGS="-Werror -Wconversion -Wno-sign-conversion -Wdocumentation"
 
 armtest: clean
 	$(MAKE) -C $(TESTDIR) datagen   # use native, faster
@@ -206,36 +244,45 @@
 #make tests validated only for MSYS, Linux, OSX, kFreeBSD and Hurd targets
 #------------------------------------------------------------------------
 ifneq (,$(filter $(HOST_OS),MSYS POSIX))
-cmaketest:
+cmakebuild:
 	cmake --version
 	$(RM) -r $(BUILDIR)/cmake/build
 	mkdir $(BUILDIR)/cmake/build
 	cd $(BUILDIR)/cmake/build ; cmake -DPREFIX:STRING=~/install_test_dir $(CMAKE_PARAMS) .. ; $(MAKE) install ; $(MAKE) uninstall
 
-c90test: clean
+c90build: clean
+	gcc -v
 	CFLAGS="-std=c90" $(MAKE) allmost  # will fail, due to missing support for `long long`
 
-gnu90test: clean
+gnu90build: clean
+	gcc -v
 	CFLAGS="-std=gnu90" $(MAKE) allmost
 
-c99test: clean
+c99build: clean
+	gcc -v
 	CFLAGS="-std=c99" $(MAKE) allmost
 
-gnu99test: clean
+gnu99build: clean
+	gcc -v
 	CFLAGS="-std=gnu99" $(MAKE) allmost
 
-c11test: clean
+c11build: clean
+	gcc -v
 	CFLAGS="-std=c11" $(MAKE) allmost
 
-bmix64test: clean
+bmix64build: clean
+	gcc -v
 	CFLAGS="-O3 -mbmi -Werror" $(MAKE) -C $(TESTDIR) test
 
-bmix32test: clean
+bmix32build: clean
+	gcc -v
 	CFLAGS="-O3 -mbmi -mx32 -Werror" $(MAKE) -C $(TESTDIR) test
 
-bmi32test: clean
+bmi32build: clean
+	gcc -v
 	CFLAGS="-O3 -mbmi -m32 -Werror" $(MAKE) -C $(TESTDIR) test
 
 staticAnalyze: clean
+	gcc -v
 	CPPFLAGS=-g scan-build --status-bugs -v $(MAKE) all
 endif
diff --git a/circle.yml b/circle.yml
index 3102633..046a484 100644
--- a/circle.yml
+++ b/circle.yml
@@ -1,39 +1,40 @@
 dependencies:
   override:
+    - sudo dpkg --add-architecture i386
     - sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test; sudo apt-get -y -qq update
-    #- sudo apt-get -y install qemu-system-ppc qemu-user-static gcc-powerpc-linux-gnu valgrind
-    #- sudo apt-get -y install qemu-system-arm gcc-arm-linux-gnueabi libc6-dev-armel-cross gcc-aarch64-linux-gnu libc6-dev-arm64-cross
-    - sudo apt-get -y install libc6-dev-i386 clang gcc-5 gcc-6
+    - sudo apt-get -y install gcc-powerpc-linux-gnu gcc-arm-linux-gnueabi libc6-dev-armel-cross gcc-aarch64-linux-gnu libc6-dev-arm64-cross
+    - sudo apt-get -y install libstdc++-6-dev clang gcc g++ gcc-5 gcc-6
+    - sudo apt-get -y install linux-libc-dev:i386 libc6-dev-i386
 
   # use default "parallel: true" for commands in the machine, checkout, dependencies and database build phase
   post:
     - |
-      if [[ "$CIRCLE_NODE_INDEX" == "0" ]]; then make cmaketest           && make clean; fi
-      if [[ "$CIRCLE_NODE_TOTAL" < "2" ]] || [[ "$CIRCLE_NODE_INDEX" == "1" ]]; then make -C tests test-invalidDictionaries && make clean; fi
+      if [[ "$CIRCLE_NODE_INDEX" == "0" ]]                                    ; then cc -v; make all   && make clean; fi &&
+      if [[ "$CIRCLE_NODE_TOTAL" < "2" ]] || [[ "$CIRCLE_NODE_INDEX" == "1" ]]; then make gnu90build   && make clean; fi
     - |
-      if [[ "$CIRCLE_NODE_INDEX" == "0" ]]; then g++ -v; make gpptest     && make clean; fi
-      if [[ "$CIRCLE_NODE_TOTAL" < "2" ]] || [[ "$CIRCLE_NODE_INDEX" == "1" ]]; then make -C tests test-legacy test-decodecorpus && make clean; fi
+      if [[ "$CIRCLE_NODE_INDEX" == "0" ]]                                    ; then make c99build     && make clean; fi &&
+      if [[ "$CIRCLE_NODE_TOTAL" < "2" ]] || [[ "$CIRCLE_NODE_INDEX" == "1" ]]; then make gnu99build   && make clean; fi
     - |
-      if [[ "$CIRCLE_NODE_INDEX" == "0" ]]; then gcc -v; make gnu90test   && make clean; fi
-      if [[ "$CIRCLE_NODE_TOTAL" < "2" ]] || [[ "$CIRCLE_NODE_INDEX" == "1" ]]; then make -C tests test-symbols             && make clean; fi
+      if [[ "$CIRCLE_NODE_INDEX" == "0" ]]                                    ; then make c11build     && make clean; fi &&
+      if [[ "$CIRCLE_NODE_TOTAL" < "2" ]] || [[ "$CIRCLE_NODE_INDEX" == "1" ]]; then make cmakebuild   && make clean; fi
     - |
-      if [[ "$CIRCLE_NODE_INDEX" == "0" ]]; then gcc -v; make c99test     && make clean; fi
-      if [[ "$CIRCLE_NODE_TOTAL" < "2" ]] || [[ "$CIRCLE_NODE_INDEX" == "1" ]]; then make -C tests test-longmatch           && make clean; fi
+      if [[ "$CIRCLE_NODE_INDEX" == "0" ]]                                    ; then make gppbuild     && make clean; fi &&
+      if [[ "$CIRCLE_NODE_TOTAL" < "2" ]] || [[ "$CIRCLE_NODE_INDEX" == "1" ]]; then make gcc5build    && make clean; fi
     - |
-      if [[ "$CIRCLE_NODE_INDEX" == "0" ]]; then gcc -v; make gnu99test   && make clean; fi
-      if [[ "$CIRCLE_NODE_TOTAL" < "2" ]] || [[ "$CIRCLE_NODE_INDEX" == "1" ]]; then make -C tests dll                      && make clean; fi
+      if [[ "$CIRCLE_NODE_INDEX" == "0" ]]                                    ; then make gcc6build    && make clean; fi &&
+      if [[ "$CIRCLE_NODE_TOTAL" < "2" ]] || [[ "$CIRCLE_NODE_INDEX" == "1" ]]; then make clangbuild   && make clean; fi
     - |
-      if [[ "$CIRCLE_NODE_INDEX" == "0" ]]; then clang -v; make clangtest && make clean; fi
-      if [[ "$CIRCLE_NODE_TOTAL" < "2" ]] || [[ "$CIRCLE_NODE_INDEX" == "1" ]]; then make -C programs zstd-small zstd-decompress zstd-compress zstd32 MOREFLAGS="-I/usr/include/x86_64-linux-gnu" && make clean lib && make clean; fi
+      if [[ "$CIRCLE_NODE_INDEX" == "0" ]]                                    ; then make m32build     && make clean; fi &&
+      if [[ "$CIRCLE_NODE_TOTAL" < "2" ]] || [[ "$CIRCLE_NODE_INDEX" == "1" ]]; then make armbuild     && make clean; fi
     - |
-      if [[ "$CIRCLE_NODE_INDEX" == "0" ]]; then make travis-install      && make clean; fi
-      if [[ "$CIRCLE_NODE_TOTAL" < "2" ]] || [[ "$CIRCLE_NODE_INDEX" == "1" ]]; then make -C tests test-fullbench           && make clean; fi
+      if [[ "$CIRCLE_NODE_INDEX" == "0" ]]                                    ; then make aarch64build && make clean; fi &&
+      if [[ "$CIRCLE_NODE_TOTAL" < "2" ]] || [[ "$CIRCLE_NODE_INDEX" == "1" ]]; then make ppcbuild     && make clean; fi
     - |
-      if [[ "$CIRCLE_NODE_INDEX" == "0" ]]; then gcc-5 -v; make gcc5test  && gcc-6 -v && make gcc6test && make clean; fi
-      if [[ "$CIRCLE_NODE_TOTAL" < "2" ]] || [[ "$CIRCLE_NODE_INDEX" == "1" ]]; then make -C tests test-zstream             && make clean; fi
+      if [[ "$CIRCLE_NODE_INDEX" == "0" ]]                                    ; then make ppc64build   && make clean; fi &&
+      if [[ "$CIRCLE_NODE_TOTAL" < "2" ]] || [[ "$CIRCLE_NODE_INDEX" == "1" ]]; then true              && make clean; fi #could add another test here
     - |
-      if [[ "$CIRCLE_NODE_INDEX" == "0" ]]; then make -C tests test-zstd  && make clean; fi
-      if [[ "$CIRCLE_NODE_TOTAL" < "2" ]] || [[ "$CIRCLE_NODE_INDEX" == "1" ]]; then make -C tests test-fuzzer FUZZERTEST=-T4mn && make clean; fi
+      if [[ "$CIRCLE_NODE_INDEX" == "0" ]]                                    ; then make shortest     && make clean; fi &&
+      if [[ "$CIRCLE_NODE_TOTAL" < "2" ]] || [[ "$CIRCLE_NODE_INDEX" == "1" ]]; then make -C tests test-legacy test-longmatch test-symbols && make clean; fi
 
 test:
   override:
diff --git a/lib/compress/zstd_compress.c b/lib/compress/zstd_compress.c
index 15f063e..3086594 100644
--- a/lib/compress/zstd_compress.c
+++ b/lib/compress/zstd_compress.c
@@ -247,7 +247,7 @@
 typedef enum { ZSTDcrp_continue, ZSTDcrp_noMemset, ZSTDcrp_fullReset } ZSTD_compResetPolicy_e;
 
 /*! ZSTD_resetCCtx_advanced() :
-    note : @params must be validated */
+    note : `params` must be validated */
 static size_t ZSTD_resetCCtx_advanced (ZSTD_CCtx* zc,
                                        ZSTD_parameters params, U64 frameContentSize,
                                        ZSTD_compResetPolicy_e const crp)