You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
33 lines
1.2 KiB
33 lines
1.2 KiB
3 years ago
|
commit ef7c6d42fe163a5e49a478c43e655ce4633fa5ba
|
||
|
|
Author: Florian Weimer <fweimer@redhat.com>
|
||
|
|
Date: Fri Jan 14 16:09:20 2022 +0100
|
||
|
|
|
||
|
|
Generate gcc-macros.h
|
||
|
|
|
||
|
|
The file can be used to check the effect of the default compiler
|
||
|
|
flags on code generation even in areas of the build that uses
|
||
|
|
non-default compiler flags.
|
||
|
|
|
||
|
|
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
|
||
|
|
|
||
|
|
diff --git a/Makeconfig b/Makeconfig
|
||
|
|
index 8bc5540292c7b6fa..99898a632a64be91 100644
|
||
|
|
--- a/Makeconfig
|
||
|
|
+++ b/Makeconfig
|
||
|
|
@@ -1202,6 +1202,15 @@ $(common-objpfx)dl-tunable-list.stmp: \
|
||
|
|
touch $@
|
||
|
|
endif
|
||
|
|
|
||
|
|
+# Dump the GCC macros used by the default compiler flags to a header
|
||
|
|
+# file, so that they can be inspected when using different compiler
|
||
|
|
+# flags. Add the GCCMACRO prefix to make these macro names unique.
|
||
|
|
+$(common-objpfx)gcc-macros.h.in: $(common-objpfx)config.status
|
||
|
|
+ $(CC) $(CFLAGS) $(CPPFLAGS) -E -dM -x c -o $@ /dev/null
|
||
|
|
+$(common-objpfx)gcc-macros.h: $(common-objpfx)gcc-macros.h.in
|
||
|
|
+ sed 's/^#define /#define GCCMACRO/' < $< > $@
|
||
|
|
+before-compile += $(common-objpfx)gcc-macros.h
|
||
|
|
+
|
||
|
|
# Generate version maps, but wait until sysdep-subdirs is known
|
||
|
|
ifeq ($(sysd-sorted-done),t)
|
||
|
|
ifeq ($(build-shared),yes)
|