diff options
Diffstat (limited to 'Makerules')
| -rw-r--r-- | Makerules | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/Makerules b/Makerules index b7e556ff5f..b46b09b369 100644 --- a/Makerules +++ b/Makerules @@ -1175,6 +1175,14 @@ ifeq ($(build-shared),yes) LC_ALL=C $(OBJDUMP) --dynamic-syms $< > $@T mv -f $@T $@ +# A sysdeps/.../Makefile can set abilist-pattern to something like +# %-foo.abilist to look for libc-foo.abilist instead of libc.abilist. +# This makes sense if multiple ABIs can be most cleanly supported by a +# configuration without using separate sysdeps directories for each. +ifdef abilist-pattern +vpath $(abilist-pattern) $(+sysdep_dirs) +endif + vpath %.abilist $(+sysdep_dirs) # The .PRECIOUS rule prevents the files built by an implicit rule whose @@ -1184,18 +1192,42 @@ vpath %.abilist $(+sysdep_dirs) .PRECIOUS: %.symlist generated += $(extra-libs:=.symlist) +ifdef abilist-pattern +check-abi-%: $(common-objpfx)config.make $(abilist-pattern) $(objpfx)%.symlist + $(check-abi-pattern) +check-abi-%: $(common-objpfx)config.make $(abilist-pattern) \ + $(common-objpfx)%.symlist + $(check-abi-pattern) +endif check-abi-%: $(common-objpfx)config.make %.abilist $(objpfx)%.symlist $(check-abi) check-abi-%: $(common-objpfx)config.make %.abilist $(common-objpfx)%.symlist $(check-abi) +define check-abi-pattern + diff -p -U 0 $(filter $(abilist-pattern),$^) $(filter %.symlist,$^) +endef define check-abi diff -p -U 0 $(filter %.abilist,$^) $(filter %.symlist,$^) endef +ifdef abilist-pattern +update-abi-%: $(objpfx)%.symlist $(abilist-pattern) + $(update-abi-pattern) +update-abi-%: $(common-objpfx)%.symlist $(abilist-pattern) + $(update-abi-pattern) +endif update-abi-%: $(objpfx)%.symlist %.abilist $(update-abi) update-abi-%: $(common-objpfx)%.symlist %.abilist $(update-abi) +define update-abi-pattern +@if cmp -s $^ 2> /dev/null; \ + then \ + echo '+++ $(filter $(abilist-pattern),$^) is unchanged'; \ + else cp -f $^; \ + echo '*** Now check $(filter $(abilist-pattern),$^) changes for correctness ***'; \ + fi +endef define update-abi @if cmp -s $^ 2> /dev/null; \ then \ |