[PATCH i-g-t v5 2/2] tools/lsgpu: link with minimal sub-libraries

lsgpu only needs device enumeration and the lightweight tool stubs.
Replace #include "igt.h" with the minimal header set and stop linking
against libigt.so.

ldd before: 35  (ldd | wc -l)
ldd after:   8  (ldd | wc -l)

Signed-off-by: Sebastian Brzezinka <[email protected]>
Acked-by: Ashutosh Dixit <[email protected]>
Reviewed-by: Krzysztof Niemiec <[email protected]>
Reviewed-by: Krzysztof Karas <[email protected]>
---
 tools/lsgpu.c     | 2 +-
 tools/meson.build | 7 ++++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/tools/lsgpu.c b/tools/lsgpu.c
index 3f8444187..b804cc582 100644
--- a/tools/lsgpu.c
+++ b/tools/lsgpu.c
@@ -34,7 +34,7 @@
 #include <signal.h>
 #include <sys/ioctl.h>
 
-#include "igt.h"
+#include "igt_core.h"
 #include "igt_device_scan.h"
 #include "igt_rc.h"
 
diff --git a/tools/meson.build b/tools/meson.build
index 6e694164f..fbc6c0a00 100644
--- a/tools/meson.build
+++ b/tools/meson.build
@@ -27,7 +27,6 @@ tools_progs = [
 	'intel_tiling_detect',
 	'intel_gem_info',
 	'dpcd_reg',
-	'lsgpu',
 ]
 tool_deps = igt_deps
 tool_deps += zlib
@@ -172,6 +171,12 @@ install_data(['intel_gpu_abrt', 'intel-gfx-fw-info'], install_dir : bindir)
 
 install_subdir('registers', install_dir : datadir)
 
+executable('lsgpu', 'lsgpu.c',
+	   dependencies : [lib_igt_device_scan, lib_igt_tools_stub,
+	                    lib_igt_drm_stub, glib, libudev, libpci],
+	   install_rpath : bindir_rpathdir,
+	   install : true)
+
 executable('intel_gpu_top', 'intel_gpu_top.c',
 	   install : true,
 	   install_rpath : bindir_rpathdir,
-- 
2.53.0