igt-gpu-tools: Fix reproducibility issue

Add a configuration option to pass in srcdir, removing hard coded
build paths from the binaries.

(From OE-Core rev: d7e92e3a22f0c87aff4f452b51f50ec417d2949b)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oeqa/selftest/cases/reproducible.py

@@ -36,7 +36,6 @@ exclude_packages = [
 	'go_',
 	'go-',
 	'gstreamer1.0-python',
-	'igt-gpu-tools',
 	'libaprutil',
 	'libid3tag',
 	'lttng-tools-dbg',

meta/recipes-graphics/igt-gpu-tools/igt-gpu-tools/reproducibility.patch

@@ -0,0 +1,38 @@
+meson: Allow source location to be configurable
+
+Hardcoding a build source path into a binary when cross compiling isn't
+appropriate and breaks build reproducibility. Allow the srcdir to be
+specified by an optional configuration option to meson.
+
+Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
+Upstream-Status: Submitted [https://lists.freedesktop.org/archives/igt-dev/2021-February/029443.html]
+
+Index: git/lib/meson.build
+===================================================================
+--- git.orig/lib/meson.build
++++ git/lib/meson.build
+@@ -122,7 +122,11 @@ if chamelium.found()
+ 	lib_sources += 'igt_chamelium_stream.c'
+ endif
+ 
+-srcdir = join_paths(meson.source_root(), 'tests')
++if get_option('srcdir') != ''
++    srcdir = join_paths(get_option('srcdir'), 'tests')
++else
++    srcdir = join_paths(meson.source_root(), 'tests')
++endif
+ 
+ lib_version = vcs_tag(input : 'version.h.in', output : 'version.h',
+ 		      fallback : 'NO-GIT',
+Index: git/meson_options.txt
+===================================================================
+--- git.orig/meson_options.txt
++++ git/meson_options.txt
+@@ -50,3 +50,7 @@ option('use_rpath',
+        type : 'boolean',
+        value : false,
+        description : 'Set runpath on installed executables for libigt.so')
++
++option('srcdir',
++       type : 'string',
++       description : 'Path to source code to be compiled into binaries (optional)')

meta/recipes-graphics/igt-gpu-tools/igt-gpu-tools_git.bb

@@ -10,7 +10,8 @@ inherit meson
 SRCREV = "d16ad07e7f2a028e14d61f570931c87fa5ce404c"
 PV = "1.25+git${SRCPV}"
 
-SRC_URI = "git://gitlab.freedesktop.org/drm/igt-gpu-tools.git;protocol=https"
+SRC_URI = "git://gitlab.freedesktop.org/drm/igt-gpu-tools.git;protocol=https \
+           file://reproducibility.patch"
 
 S = "${WORKDIR}/git"
 
@@ -22,7 +23,7 @@ PACKAGE_BEFORE_PN = "${PN}-benchmarks ${PN}-tests"
 
 PACKAGECONFIG[chamelium] = "-Dchamelium=enabled,-Dchamelium=disabled,gsl xmlrpc-c"
 
-EXTRA_OEMESON = "-Ddocs=disabled -Drunner=enabled"
+EXTRA_OEMESON = "-Ddocs=disabled -Drunner=enabled -Dsrcdir=/usr/src/debug/${PN}/${PV}-${PR}/git/"
 COMPATIBLE_HOST = "(x86_64.*|i.86.*|arm.*|aarch64).*-linux"
 COMPATIBLE_HOST_libc-musl_class-target = "null"
 SECURITY_LDFLAGS = "${SECURITY_X_LDFLAGS}"