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