1 files changed, 59 insertions, 0 deletions
diff --git a/config-figure-this-out-for-me.mk b/config-figure-this-out-for-me.mk
new file mode 100644
index 0000000..2d470f7
--- /dev/null
+++ b/config-figure-this-out-for-me.mk
@@ -0,0 +1,59 @@
+BASECONFIG !=\
+	set -e; \
+	if test -n "$(BASECONFIG)"; then \
+		printf '%s\n' "$(BASECONFIG)"; \
+	else \
+		rm -f -- .config.mk.tmp; \
+		(set -e; \
+			sed 's/^\s*DOWNLOAD\s*=/\x23&/' < config.mk; \
+			for testscript in */what-architecture-am-i-using; do \
+				if test "$$testscript" = "util/what-architecture-am-i-using"; then \
+					continue; \
+				fi; \
+				os="$$(printf '%s\n' "$$testscript" | cut -d / -f 1 | tr '[a-z]' '[A-Z]')"; \
+				support="$${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    $$q; \
+				printf '\tfi\n'; \
+			done \
+		) > .config.mk.tmp; \
+		printf '%s\n' .config.mk.tmp; \
+	fi;
+
+include $(BASECONFIG)
+
+DOWNLOAD !=\
+	if test -n "$(DOWNLOAD)"; then printf '%s\n' "$(DOWNLOAD)"; \
+	elif curl --version >/dev/null 2>&1; then printf 'curl --\n'; \
+	elif wget --version >/dev/null 2>&1; then printf 'wget -O - --\n'; \
+	else printf 'curl --\n'; fi
+
+DEFAULT_OS_SUPPORT_SELECTION != :
+
+SUPPORTED_ARCHES_ != test -z "$(SUPPORTED_ARCHES_)" || printf '%s\n' "$(SUPPORTED_ARCHES)"
+
+SUPPORTED_ARCHES !=\
+	if test -n "$(SUPPORTED_ARCHES_)"; then printf '%s\n' "$(SUPPORTED_ARCHES_)"; \
+	else util/what-architecture-am-i-using true; fi
+
+DEFAULT_OS_SUPPORT_SELECTION != printf 'no\n'
+
+IMPORTANT_CFLAGS !=\
+	printf '%s\n' $(IMPORTANT_CFLAGS) &&\
+	if ! printf '%s\n' $(CC) $(CFLAGS) $(IMPORTANT_CFLAGS) | grep '^-std=c..$$' > /dev/null; then \
+		sed -n 's/^.*\(-std=c..\).*$$/\1/p' < .config.mk.tmp | sed 1q; \
+	fi
+