added --with-pgm2-examples configure option

configure.in

@@ -406,10 +406,22 @@ AC_ARG_WITH([pgm2], [AS_HELP_STRING([--with-pgm2],
     [build libzmq with PGM v2 extension [default=no]])], 
     [with_pgm2_ext=yes], [with_pgm2_ext=no])
 
+AC_ARG_WITH([pgm2-examples], [AS_HELP_STRING([--with-pgm2-examples], 
+    [build PGM v2 examples [default=no]])], 
+    [with_pgm2_examples=yes], [with_pgm2_examples=no])
+
 if test "x$with_pgm1_ext" != "xno" -a "x$with_pgm2_ext" != "xno"; then
     AC_MSG_ERROR([Can not configure --with-pgm and --with-pgm2.]);
 fi
 
+if test "x$with_pgm2_ext" = "xno" -a "x$with_pgm2_examples" = "xyes"; then
+    AC_MSG_ERROR([Can not configure --with-pgm2-examples without --with-pgm2.]);
+fi
+
+if test "x$c" = "xno" -a "x$with_pgm2_examples" = "xyes"; then
+    AC_MSG_ERROR([Can not configure --with-pgm2-examples without --with-c.]);
+fi
+
 if test "x$with_pgm1_ext" != "xno"; then
 
     pgm_basename=${pgm1_basename}
@@ -588,6 +600,10 @@ if test "x$with_perf" != "xno"; then
     fi
 fi
 
+if test "x$with_perf" = "xno" -a "x$with_pgm2_examples" = "xyes"; then
+    AC_MSG_ERROR([Can not configure --with-pgm2-examples without --with-perf.]);
+fi
+
 AM_CONDITIONAL(BUILD_PYTHON, test "x$pyzmq" = "xyes")
 AM_CONDITIONAL(BUILD_JAVA, test "x$jzmq" = "xyes")
 AM_CONDITIONAL(BUILD_PYTHON, test "x$pyzmq" = "xyes")
@@ -600,6 +616,7 @@ AM_CONDITIONAL(BUILD_NO_PGM, test "x$pgm2_ext" = "xno" -a "x$pgm1_ext" = "xno")
 AM_CONDITIONAL(BUILD_FORWARDER, test "x$forwarder" = "xyes") 
 AM_CONDITIONAL(BUILD_PERF, test "x$perf" = "xyes") 
 AM_CONDITIONAL(ON_MINGW, test "x$on_mingw32" = "xyes")
+AM_CONDITIONAL(BUILD_PGM2_EXAMPLES, test "x$with_pgm2_ext" = "xyes")
 
 AC_SUBST(stdint)
 AC_SUBST(inttypes)

perf/c/Makefile.am

 INCLUDES = -I$(top_builddir)/bindings/c
 
-noinst_PROGRAMS = local_lat remote_lat local_thr remote_thr
+if BUILD_PGM2_EXAMPLES
+PGM_EXAMPLES_BINS = pgmsend pgmrecv
+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
@@ -18,3 +22,101 @@ remote_thr_LDADD = $(top_builddir)/src/libzmq.la
 remote_thr_SOURCES = remote_thr.c
 remote_thr_CXXFLAGS = -Wall -pedantic -Werror
 
+if BUILD_PGM2_EXAMPLES
+
+if ON_MINGW
+pgmexamples_diff_flags = \
+    -D_WIN32_WINNT=0x0501 \
+    -DCONFIG_HAVE_IFR_NETMASK \
+    -DCONFIG_BIND_INADDR_ANY \
+    -DCONFIG_GALOIS_MUL_LUT \
+    -DIF_NAMESIZE=256 \
+    -DGETTEXT_PACKAGE='"pgm"' \
+    -DG_LOG_DOMAIN='"Pgm"'
+
+else
+pgmexamples_diff_flags = \
+    -D__need_IOV_MAX \
+    -DCONFIG_HAVE_PSELECT \
+    -DCONFIG_HAVE_POLL \
+    -DCONFIG_HAVE_PPOLL \
+    -DCONFIG_HAVE_EPOLL \
+    -DCONFIG_HAVE_CLOCK_GETTIME \
+    -DCONFIG_HAVE_CLOCK_NANOSLEEP \
+    -DCONFIG_HAVE_NANOSLEEP \
+    -DCONFIG_HAVE_USLEEP \
+    -DCONFIG_HAVE_RTC \
+    -DCONFIG_HAVE_TSC \
+    -DCONFIG_HAVE_IFR_NETMASK \
+    -DCONFIG_HAVE_GETIFADDRS \
+    -DCONFIG_HAVE_GETHOSTBYNAME2 \
+    -DCONFIG_HAVE_GETPROTOBYNAME_R \
+    -DCONFIG_BIND_INADDR_ANY \
+    -DCONFIG_GALOIS_MUL_LUT \
+    -DGETTEXT_PACKAGE='"pgm"' \
+    -DG_LOG_DOMAIN='"Pgm"'
+endif
+
+pgmsend_SOURCES = ../../foreign/openpgm/@pgm_basename@/openpgm/pgm/examples/pgmsend.c
+pgmsend_LDADD = $(top_builddir)/src/libzmq.la
+pgmsend_CFLAGS = -I$(top_srcdir)/foreign/openpgm/@pgm_basename@/openpgm/pgm/include/ -Wall @LIBZMQ_EXTRA_CXXFLAGS@ \
+    -pipe \
+    -Wall \
+    -Wextra \
+    -Wfloat-equal \
+    -Wshadow \
+    -Wunsafe-loop-optimizations \
+    -Wpointer-arith \
+    -Wbad-function-cast \
+    -Wcast-qual \
+    -Wcast-align \
+    -Wwrite-strings \
+    -Waggregate-return \
+    -Wstrict-prototypes \
+    -Wold-style-definition \
+    -Wmissing-prototypes \
+    -Wmissing-declarations \
+    -Wmissing-noreturn \
+    -Wmissing-format-attribute \
+    -Wredundant-decls \
+    -Wnested-externs \
+    -Winline \
+    -pedantic \
+    -std=gnu99 \
+    --param max-inline-insns-single=600 \
+    -D_REENTRANT \
+    -D_GNU_SOURCE \
+    ${pgmexamples_diff_flags}
+
+pgmrecv_SOURCES = ../../foreign/openpgm/@pgm_basename@/openpgm/pgm/examples/pgmrecv.c
+pgmrecv_LDADD = $(top_builddir)/src/libzmq.la
+pgmrecv_CFLAGS = -I$(top_srcdir)/foreign/openpgm/@pgm_basename@/openpgm/pgm/include/ -Wall @LIBZMQ_EXTRA_CXXFLAGS@ \
+    -pipe \
+    -Wall \
+    -Wextra \
+    -Wfloat-equal \
+    -Wshadow \
+    -Wunsafe-loop-optimizations \
+    -Wpointer-arith \
+    -Wbad-function-cast \
+    -Wcast-qual \
+    -Wcast-align \
+    -Wwrite-strings \
+    -Waggregate-return \
+    -Wstrict-prototypes \
+    -Wold-style-definition \
+    -Wmissing-prototypes \
+    -Wmissing-declarations \
+    -Wmissing-noreturn \
+    -Wmissing-format-attribute \
+    -Wredundant-decls \
+    -Wnested-externs \
+    -Winline \
+    -pedantic \
+    -std=gnu99 \
+    --param max-inline-insns-single=600 \
+    -D_REENTRANT \
+    -D_GNU_SOURCE \
+    ${pgmexamples_diff_flags}
+
+endif

src/Makefile.am

@@ -61,7 +61,9 @@ pgm_sources = ../foreign/openpgm/@pgm_basename@/openpgm/pgm/packet.c \
     ../foreign/openpgm/@pgm_basename@/openpgm/pgm/reed_solomon.c \
     ../foreign/openpgm/@pgm_basename@/openpgm/pgm/galois_tables.c \
     ../foreign/openpgm/@pgm_basename@/openpgm/pgm/wsastrerror.c \
-    ../foreign/openpgm/@pgm_basename@/openpgm/pgm/glib-compat.c
+    ../foreign/openpgm/@pgm_basename@/openpgm/pgm/glib-compat.c \
+    ../foreign/openpgm/@pgm_basename@/openpgm/pgm/backtrace.c \
+    ../foreign/openpgm/@pgm_basename@/openpgm/pgm/log.c
 endif
 
 nodist_libzmq_la_SOURCES = $(pgm_sources)