From: João Marcos Costa (Schneider Electric) <[email protected]>

When SPDX_INCLUDE_COMPILED_SOURCES is enabled, only include the
source code files that are used during compilation.

It uses debugsource information generated during do_package.

This enables an external tool to use the SPDX information to disregard
vulnerabilities that are not compiled.

As example, when used with the default config with linux-yocto, the spdx size is
reduced from 156MB to 61MB.

(From OE-Core rev: c6a2f1fca76fae4c3ea471a0c63d0b453beea968)
Adapted to existing files for SPDX3.0

Tested with:
- bitbake world on oe-core
- oe-selftest --run-tests spdx.SPDX30Check

Regarding SPDX2.2, the respective backport was already performed in
OE-Core rev: a2866934e58fb377a73e87576c8594988a63ad1b

Signed-off-by: João Marcos Costa (Schneider Electric) 
<[email protected]>
Signed-off-by: Yoann Congal <[email protected]>
---
 meta/classes/spdx-common.bbclass |  3 +++
 meta/lib/oe/spdx30_tasks.py      | 12 ++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/meta/classes/spdx-common.bbclass b/meta/classes/spdx-common.bbclass
index 713a7fc651e..ca0416d1c7f 100644
--- a/meta/classes/spdx-common.bbclass
+++ b/meta/classes/spdx-common.bbclass
@@ -26,6 +26,7 @@ SPDX_TOOL_VERSION ??= "1.0"
 SPDXRUNTIMEDEPLOY = "${SPDXDIR}/runtime-deploy"
 
 SPDX_INCLUDE_SOURCES ??= "0"
+SPDX_INCLUDE_COMPILED_SOURCES ??= "0"
 
 SPDX_UUID_NAMESPACE ??= "sbom.openembedded.org"
 SPDX_NAMESPACE_PREFIX ??= "http://spdx.org/spdxdocs";
@@ -40,6 +41,8 @@ SPDX_MULTILIB_SSTATE_ARCHS ??= "${SSTATE_ARCHS}"
 python () {
     from oe.cve_check import extend_cve_status
     extend_cve_status(d)
+    if d.getVar("SPDX_INCLUDE_COMPILED_SOURCES") == "1":
+        d.setVar("SPDX_INCLUDE_SOURCES", "1")
 }
 
 def create_spdx_source_deps(d):
diff --git a/meta/lib/oe/spdx30_tasks.py b/meta/lib/oe/spdx30_tasks.py
index a8970dcca0f..9c422d17573 100644
--- a/meta/lib/oe/spdx30_tasks.py
+++ b/meta/lib/oe/spdx30_tasks.py
@@ -145,6 +145,8 @@ def add_package_files(
     ignore_dirs=[],
     ignore_top_level_dirs=[],
 ):
+    import oe.spdx
+
     source_date_epoch = d.getVar("SOURCE_DATE_EPOCH")
     if source_date_epoch:
         source_date_epoch = int(source_date_epoch)
@@ -156,6 +158,11 @@ def add_package_files(
         bb.note(f"Skip {topdir}")
         return spdx_files
 
+    check_compiled_sources = d.getVar("SPDX_INCLUDE_COMPILED_SOURCES") == "1"
+    if check_compiled_sources:
+        compiled_sources, types = oe.spdx.get_compiled_sources(d)
+        bb.debug(1, f"Total compiled files: {len(compiled_sources)}")
+
     for subdir, dirs, files in os.walk(topdir, onerror=walk_error):
         dirs[:] = [d for d in dirs if d not in ignore_dirs]
         if subdir == str(topdir):
@@ -171,6 +178,11 @@ def add_package_files(
             filename = str(filepath.relative_to(topdir))
             file_purposes = get_purposes(filepath)
 
+            # Check if file is compiled
+            if check_compiled_sources:
+                if not oe.spdx.is_compiled_source(filename, compiled_sources, 
types):
+                    continue
+
             spdx_file = objset.new_file(
                 get_spdxid(file_counter),
                 filename,
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