5 files changed, 7 insertions, 7 deletions
diff --git a/perf/Makefile.am b/perf/Makefile.am
index d48dcee..fe35ff3 100644
--- a/perf/Makefile.am
+++ b/perf/Makefile.am
@@ -7,19 +7,19 @@ endif
 noinst_PROGRAMS = local_lat remote_lat local_thr remote_thr $(PGM_EXAMPLES_BINS)
 
 local_lat_LDADD = $(top_builddir)/src/libzmq.la
-local_lat_SOURCES = local_lat.c
+local_lat_SOURCES = local_lat.cpp
 local_lat_CXXFLAGS = -Wall -pedantic -Werror
 
 remote_lat_LDADD = $(top_builddir)/src/libzmq.la
-remote_lat_SOURCES = remote_lat.c
+remote_lat_SOURCES = remote_lat.cpp
 remote_lat_CXXFLAGS = -Wall -pedantic -Werror
 
 local_thr_LDADD = $(top_builddir)/src/libzmq.la
-local_thr_SOURCES = local_thr.c
+local_thr_SOURCES = local_thr.cpp
 local_thr_CXXFLAGS = -Wall -pedantic -Werror
 
 remote_thr_LDADD = $(top_builddir)/src/libzmq.la
-remote_thr_SOURCES = remote_thr.c
+remote_thr_SOURCES = remote_thr.cpp
 remote_thr_CXXFLAGS = -Wall -pedantic -Werror
 
 if BUILD_PGM_EXAMPLES
diff --git a/perf/local_lat.c b/perf/local_lat.cpp
index 0114b23..9297137 100644
--- a/perf/local_lat.c
+++ b/perf/local_lat.cpp
@@ -25,7 +25,7 @@ int main (int argc, char *argv [])
 {
     const char *bind_to;
     int roundtrip_count;
-    int message_size;
+    size_t message_size;
     void *ctx;
     void *s;
     int rc;
diff --git a/perf/local_thr.c b/perf/local_thr.cpp
index 908bbe3..b612157 100644
--- a/perf/local_thr.c
+++ b/perf/local_thr.cpp
@@ -25,7 +25,7 @@ int main (int argc, char *argv [])
 {
     const char *bind_to;
     int message_count;
-    int message_size;
+    size_t message_size;
     void *ctx;
     void *s;
     int rc;
diff --git a/perf/remote_lat.c b/perf/remote_lat.cpp
index 6214ce8..df18b56 100644
--- a/perf/remote_lat.c
+++ b/perf/remote_lat.cpp
@@ -26,7 +26,7 @@ int main (int argc, char *argv [])
 {
     const char *connect_to;
     int roundtrip_count;
-    int message_size;
+    size_t message_size;
     void *ctx;
     void *s;
     int rc;
diff --git a/perf/remote_thr.c b/perf/remote_thr.cpp
index 1ddee4b..1ddee4b 100644
--- a/perf/remote_thr.c
+++ b/perf/remote_thr.cpp