Changeset 62721d5 in mainline for meson/part/compiler_args/meson.build

Timestamp:

2023-10-22T16:45:25Z (18 months ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

master, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

8f9f9b1

Parents:

b7493ea0

git-author:

Vojtech Horky <vojtech.horky@…> (2023-07-14 13:58:38)

git-committer:

Jiří Zárevúcky <zarevucky.jiri@…> (2023-10-22 16:45:25)

Message:

Workaround linker warnings about RWX segment

File:

• meson/part/compiler_args/meson.build (modified) (1 diff)

meson/part/compiler_args/meson.build

@@ -128 +128 @@
         add_project_link_arguments(extra_cflags, language : [ lang ])
 endforeach
+
+# This flag is needed at several places, hence we define it here.
+#
+# For backwards compatibility we try to detect --no-warn-rwx-segments.
+# However, the autodetection done by Meson also results in
+# "cannot find entry symbol _start; defaulting to 00000000004000b0"
+# thus the option is never supported alone. So when detecting we also
+# specify --entry=main so that the stub source provided by Meson is build
+# correctly.
+ldflags_ignore_rwx_segments = []
+if cc.has_link_argument('-Wl,--no-warn-rwx-segments,--entry=main')
+    ldflags_ignore_rwx_segments += ['-Wl,--no-warn-rwx-segments']
+endif