diff --git a/pjmedia/build/m-i386.mak b/pjmedia/build/m-i386.mak
new file mode 100644
index 0000000..ede7dfc
--- /dev/null
+++ b/pjmedia/build/m-i386.mak
@@ -0,0 +1,6 @@
+
+#
+# We need to define PA_LITTLE_ENDIAN when compiling PortAudio on Linux i386
+#
+
+export M_CFLAGS += $(CC_DEF)PA_LITTLE_ENDIAN
diff --git a/pjmedia/build/os-linux.mak b/pjmedia/build/os-linux.mak
new file mode 100644
index 0000000..d64d8e2
--- /dev/null
+++ b/pjmedia/build/os-linux.mak
@@ -0,0 +1,13 @@
+#
+# OS specific configuration for Win32 OS target. 
+#
+
+#
+# PJMEDIA_OBJS specified here are object files to be included in PJMEDIA
+# (the library) for this specific operating system. Object files common 
+# to all operating systems should go in Makefile instead.
+#
+export PJMEDIA_OBJS += $(PA_DIR)/pa_unix_hostapis.o $(PA_DIR)/pa_unix_util.o \
+		       $(PA_DIR)/pa_unix_oss.o
+
+export OS_CFLAGS +=