infiles = $(filter-out ${NONSRCS},${SRCS}) srclist regexfile
-# This test requires a UTF-8 locale. Use the current locale if it is UTF-8,
-# else $(UTF8_LOCALE) if it works, else skip this test.
-UTF8_LOCALE = en_US.utf8
-UTF8_ENCODING = yes
+# Although this test uses UTF-8 data, some platforms lack UTF-8 locales.
+# If the current locale isn't known to use UTF-8, fall back on the C locale.
+# Although the C locale in theory is not safe for UTF-8 data, in practice
+# it should be good enough.
ifneq ($(shell locale -k charmap), charmap="UTF-8")
- ifeq ($(shell LC_ALL=$(UTF8_LOCALE) locale -k charmap), charmap="UTF-8")
- export LC_ALL = $(UTF8_LOCALE)
- else
- UTF8_ENCODING = no
- endif
+ export LC_ALL = C
endif
-.PHONY: check ediff_1 ediff_2 ediff_3 ediff_4 ediff_5 cdiff ETAGS CTAGS
+.PHONY: check cdiff ETAGS CTAGS
+# Can't make ediff_1 through ediff_5 .PHONY, as they're implicit.
check:
- ifeq ($(UTF8_ENCODING), yes)
@$(MAKE) OPTIONS='--no-members' ediff_1
@$(MAKE) OPTIONS='--declarations --no-members' ediff_2
@$(MAKE) OPTIONS='--members' ediff_3
@$(MAKE) OPTIONS='--regex=@regexfile --no-members' ediff_4
@$(MAKE) OPTIONS='nonexistent --members --declarations --regex=@regexfile' ediff_5
@$(MAKE) cdiff
- else
- : 'No locale with UTF-8 found; skipping check'
- endif
ediff%: ETAGS.good% ETAGS ${infiles}
diff -u --suppress-common-lines --width=80 ETAGS.good$* ETAGS