1ALLTESTS = open_memstream funopen fopencookie gc_sections \
2	   system-cjson cjson freestanding
3MAKEFILE := $(lastword $(MAKEFILE_LIST))
4OUT :=
5
6PROGRAM-open_memstream = extern int open_memstream(); int main() { return open_memstream(); }
7PROGRAM-funopen = extern int funopen(); int main() { return funopen(); }
8PROGRAM-fopencookie = extern int fopencookie(); int main() { return fopencookie(); }
9PROGRAM-gc_sections = int main() {}
10CCFLAGS-gc_sections = -Wl,--gc-sections
11PROGRAM-freestanding  = \#if !defined(__STDC_HOSTED__) || __STDC_HOSTED__-0 == 1\n
12PROGRAM-freestanding += \#error Hosted implementation\n
13PROGRAM-freestanding += \#endif\n
14PROGRAM-freestanding += int main() {}
15CCFLAGS-freestanding = $(CFLAGS)
16
17PROGRAM-cjson  = \#include <stdlib.h>\n
18PROGRAM-cjson += \#include <cjson/cJSON.h>\n
19PROGRAM-cjson += int main() { return cJSON_False; }
20CCFLAGS-cjson = -I$(dir $(MAKEFILE))src
21PROGRAM-system-cjson = $(PROGRAM-cjson)
22CCFLAGS-system-cjson = -I$(LOCALBASE)/include -L$(LOCALBASE)/lib -lcjson
23
24sink:
25	@echo >&2 Please run from the top-level Makefile.
26
27configure: $(foreach it,$(ALLTESTS),check-$(it))
28
29check-%:
30	@echo $(subst check-,,$@)-tested := 1 $(OUT)
31	$(if $(V),,@)if printf "$($(subst check-,PROGRAM-,$@))" | \
32	    $(CC) -xc $($(subst check-,CCFLAGS-,$@)) -o /dev/null - $(if $(V),,>/dev/null 2>&1); \
33	then \
34	    echo $(subst check-,,$@)-pass := 1 $(OUT); \
35	fi
36