omap: add symbols test

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>

omap/Makefile.am

@@ -20,3 +20,6 @@ libdrm_omapinclude_HEADERS = omap_drmif.h
 
 pkgconfigdir = @pkgconfigdir@
 pkgconfig_DATA = libdrm_omap.pc
+
+TESTS = omap-symbol-check
+EXTRA_DIST = $(TESTS)

omap/omap-symbol-check

@@ -0,0 +1,35 @@
+#!/bin/bash
+
+# The following symbols (past the first five) are taken from the public headers.
+# A list of the latter should be available Makefile.am/libdrm_omap*HEADERS
+
+FUNCS=$(nm -D --format=bsd --defined-only ${1-.libs/libdrm_omap.so} | awk '{print $3}'| while read func; do
+( grep -q "^$func$" || echo $func )  <<EOF
+__bss_start
+_edata
+_end
+_fini
+_init
+omap_bo_cpu_fini
+omap_bo_cpu_prep
+omap_bo_del
+omap_bo_dmabuf
+omap_bo_from_dmabuf
+omap_bo_from_name
+omap_bo_get_name
+omap_bo_handle
+omap_bo_map
+omap_bo_new
+omap_bo_new_tiled
+omap_bo_ref
+omap_bo_size
+omap_device_del
+omap_device_new
+omap_device_ref
+omap_get_param
+omap_set_param
+EOF
+done)
+
+test ! -n "$FUNCS" || echo $FUNCS
+test ! -n "$FUNCS"