Changeset 068dd86 in mainline for kernel/meson.build

Timestamp:

2023-08-04T13:07:34Z (10 months ago)

Author:

Vojtech Horky <vojtech.horky@…>

Branches:

ticket/834-toolchain-update

Children:

24cf6694

Parents:

4dbcdf3

Message:

Support linker without —no-warn-rwx-segments

File:

• kernel/meson.build (modified) (2 diffs)

kernel/meson.build

@@ -87 +87 @@
 kernel_link_args = arch_kernel_link_args + [
         '-Wl,--nmagic',
-        # The kernel is built as ELF but then copied as a blob of bytes and
-        # the permissions are not relevant anyway (needed for binutils 2.39+).
-        '-Wl,--no-warn-rwx-segments',
         '-T', meson.current_build_dir() / '_link.ld',
 ]
+# The kernel is built as ELF but then copied as a blob of bytes and
+# the permissions are not relevant anyway (needed for binutils 2.39+).
+kernel_link_args += ldflags_ignore_rwx_segments
 
 if CONFIG_LTO
@@ -104 +104 @@
 kernel_c_args = arch_kernel_c_args + kernel_defs + [
         '-ffreestanding',
-        # When accessing specific memory addresses that are below normal page size,
-        # the compiler may assume that we actually dereferenced NULL pointer and
-        # warns us about that. But in kernel we often need to access these
-        # addresses directly hence we need to ignore these warnings.
-        #
-        # TODO: might make more sense to disable this selectively in specific
-        # files (or better yet, for specific lines).
-        '--param=min-pagesize=0',
-        # TODO: remove this flag
-        cc.get_supported_arguments([ '-Wno-cast-function-type' ]),
+        cc.get_supported_arguments([
+                # TODO: remove this flag
+                '-Wno-cast-function-type',
+                # When accessing specific memory addresses that are below normal page
+                # size, the compiler may assume that we actually dereferenced NULL
+                # pointer and warns us about that. But in kernel we often need to
+                # access these addresses directly hence we need to ignore these
+                # warnings.
+                #
+                # TODO: might make more sense to disable this selectively in specific
+                # files (or better yet, for specific lines).
+                '--param=min-pagesize=0',
+        ]),
 ]