1define SOURCE_HELLO
2#include <stdio.h>
3int main(void)
4{
5	return puts(\"hi\");
6}
7endef
8
9ifndef NO_DWARF
10define SOURCE_DWARF
11#include <dwarf.h>
12#include <libdw.h>
13#include <version.h>
14#ifndef _ELFUTILS_PREREQ
15#error
16#endif
17
18int main(void)
19{
20	Dwarf *dbg = dwarf_begin(0, DWARF_C_READ);
21	return (long)dbg;
22}
23endef
24endif
25
26define SOURCE_LIBELF
27#include <libelf.h>
28
29int main(void)
30{
31	Elf *elf = elf_begin(0, ELF_C_READ, 0);
32	return (long)elf;
33}
34endef
35
36define SOURCE_GLIBC
37#include <gnu/libc-version.h>
38
39int main(void)
40{
41	const char *version = gnu_get_libc_version();
42	return (long)version;
43}
44endef
45
46define SOURCE_ELF_MMAP
47#include <libelf.h>
48int main(void)
49{
50	Elf *elf = elf_begin(0, ELF_C_READ_MMAP, 0);
51	return (long)elf;
52}
53endef
54
55ifndef NO_NEWT
56define SOURCE_NEWT
57#include <newt.h>
58
59int main(void)
60{
61	newtInit();
62	newtCls();
63	return newtFinished();
64}
65endef
66endif
67
68ifndef NO_LIBPERL
69define SOURCE_PERL_EMBED
70#include <EXTERN.h>
71#include <perl.h>
72
73int main(void)
74{
75perl_alloc();
76return 0;
77}
78endef
79endif
80
81ifndef NO_LIBPYTHON
82define SOURCE_PYTHON_EMBED
83#include <Python.h>
84
85int main(void)
86{
87	Py_Initialize();
88	return 0;
89}
90endef
91endif
92
93define SOURCE_BFD
94#include <bfd.h>
95
96int main(void)
97{
98	bfd_demangle(0, 0, 0);
99	return 0;
100}
101endef
102
103define SOURCE_CPLUS_DEMANGLE
104extern char *cplus_demangle(const char *, int);
105
106int main(void)
107{
108	cplus_demangle(0, 0);
109	return 0;
110}
111endef
112
113# try-cc
114# Usage: option = $(call try-cc, source-to-build, cc-options)
115try-cc = $(shell sh -c						  \
116	'TMP="$(OUTPUT)$(TMPOUT).$$$$";				  \
117	 echo "$(1)" |						  \
118	 $(CC) -x c - $(2) -o "$$TMP" > /dev/null 2>&1 && echo y; \
119	 rm -f "$$TMP"')
120