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# See LICENSE file for copyright and license details.
BASECONFIG !=\
set -e; \
if test -n "$(BASECONFIG)"; then \
printf '%s\n' "$(BASECONFIG)"; \
else \
rm -f -- .config.mk.tmp; \
(set -e; \
e="$$(printf '\033\n')"; \
sed 's/^[[:space:]]*DOWNLOAD[[:space:]]*=/'"$$e"'&/' < config.mk; \
for testscript in */what-architecture-am-i-using; do \
if test "$$testscript" = "util/what-architecture-am-i-using"; then \
continue; \
fi; \
os="$$(dirname -- "$$testscript" | tr '[a-z]' '[A-Z]')"; \
support="$${os}_SUPPORT"; \
q=\'; \
printf '%s_ != test -z "$$(%s_)" || printf %s%%s\\n%s "$$(%s)"\n' \
"$$support" "$$support" $$q $$q "$$support"; \
printf '%s !=\\\n' \
"$$support"; \
printf '\tif test -n "$$(%s_)"; then \\\n' \
"$$support"; \
printf '\t\tprintf '\''%%s\\n'\'' "$$(%s_)"; \\\n' \
"$$support"; \
printf '\telse \\\n'; \
printf '\t\tset +e; \\\n'; \
printf '\t\t%s false >/dev/null 2>&1; \\\n' \
"$${testscript}"; \
printf '\t\tif test $$$$? -lt 2; then printf %syes\\n%s; else printf %sno\\n%s; fi; \\\n' \
$$q $$q $$q $$q; \
printf '\tfi\n'; \
done; \
) > .config.mk.tmp; \
printf '%s\n' .config.mk.tmp; \
fi;
include $(BASECONFIG)
HAVE_BUILTIN_FFSLL !=\
testmk=.a-$$$$.tmp; \
testbin=.b-$$$$.tmp; \
testsrc=.c-$$$$.tmp.c; \
printf 'int main() {return !(1' > $$testsrc; \
printf ' && __builtin_ffsll(%s) == %s' 0 0 1 1 2 2 4 3 0x58 4 >> $$testsrc; \
printf ');}\n' >> $$testsrc; \
(set -e; \
printf '.POSIX:\n'; \
cat -- $(BASECONFIG); \
printf '\nall:\n'; \
printf '\t$$(CC) -o %s %s\n' "$$testbin" "$$testsrc"; \
) > $$testmk; \
if (make -f $$testmk all && ./$$testbin) 2>/dev/null >/dev/null; then \
printf '%s\n' -DHAVE_BUILTIN_FFSLL; \
fi; \
rm -f -- $$testmk $$testbin $$testsrc;
CPPFLAGS += $(HAVE_BUILTIN_FFSLL)
DOWNLOAD !=\
if test -n "$(DOWNLOAD)"; then printf '%s\n' "$(DOWNLOAD)"; \
elif curl --version >/dev/null 2>&1; then printf 'curl --\n'; \
elif wget --version >/dev/null 2>&1; then printf 'wget -O - --\n'; \
else printf 'curl --\n'; fi
DEFAULT_OS_SUPPORT_SELECTION != :
SUPPORTED_ARCHES_ != test -z "$(SUPPORTED_ARCHES_)" || printf '%s\n' "$(SUPPORTED_ARCHES)"
SUPPORTED_ARCHES !=\
if test -n "$(SUPPORTED_ARCHES_)"; then printf '%s\n' "$(SUPPORTED_ARCHES_)"; \
else util/what-architecture-am-i-using true; fi
DEFAULT_OS_SUPPORT_SELECTION != printf 'no\n'
IMPORTANT_CFLAGS !=\
printf '%s\n' $(IMPORTANT_CFLAGS) &&\
if ! printf '%s\n' $(CC) $(CFLAGS) $(IMPORTANT_CFLAGS) | grep '^-std=c..$$' > /dev/null; then \
sed -n 's/^.*\(-std=c..\).*$$/\1/p' < .config.mk.tmp | sed 1q; \
fi
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