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#include <stdio.h>
#include <string.h>
#define DEFINE_FLT(x) \
"#define __" #x "_DECIMAL_DIG__\n" \
"#define __" #x "_DENORM_MIN__\n" \
"#define __" #x "_DIG__\n" \
"#define __" #x "_EPSILON__\n" \
"#define __" #x "_HAS_DENORM__\n" \
"#define __" #x "_HAS_INFINITY__\n" \
"#define __" #x "_HAS_QUIET_NAN__\n" \
"#define __" #x "_IS_IEC_60559__\n" \
"#define __" #x "_MANT_DIG__\n" \
"#define __" #x "_MAX_10_EXP__\n" \
"#define __" #x "_MAX_EXP__\n" \
"#define __" #x "_MAX__\n" \
"#define __" #x "_MIN_10_EXP__\n" \
"#define __" #x "_MIN_EXP__\n" \
"#define __" #x "_MIN__\n" \
"#define __" #x "_NORM_MAX__\n" \
""
int main(int argc, const char* argv[])
{
int cpp = 0;
const char* std_date = 0;
const char* ver_major = "1";
int i;
for (i = 1; i < argc; ++i) {
if (strncmp(argv[i], "--cc-define=", 12) == 0) {
fprintf(stdout, "#define %s 1\n", argv[i] + 12);
} else if (strncmp(argv[i], "--ver-major=", 12) == 0) {
ver_major = argv[i] + 12;
} else if (strncmp(argv[i], "-std=", 5) == 0) {
std_date = argv[i] + 5;
} else if (strcmp(argv[i], "-ansi") == 0) {
fprintf(stdout, "#define __STRICT_ANSI__ 1\n");
} else if (strcmp(argv[i], "-fsized-deallocation") == 0) {
fprintf(stdout, "#define __cpp_sized_deallocation 201309L\n");
} else if (strcmp(argv[i], "-tgt-armv7") == 0) {
fprintf(stdout, "#define __arm__ 1\n");
fprintf(stdout, "#define __ARM_ARCH 7\n");
} else if (strcmp(argv[i], "-tgt-arm64v8") == 0) {
fprintf(stdout, "#define __aarch64__ 1\n");
fprintf(stdout, "#define __ARM_ARCH 8\n");
} else if (strstr(argv[i], ".cpp")) {
cpp = 1;
}
}
if (cpp) {
fprintf(stdout, "#define __cplusplus %s\n",
std_date ? std_date : "199711L");
} else if (std_date) {
fprintf(stdout, "#define __STDC_VERSION__ %s\n", std_date);
}
fprintf(stdout,
#ifdef _WIN32
"#define _WIN32 1\n"
"#define __MINGW32__ 1\n"
#endif
"#define __GNUC__ %s\n"
"#define __has_include(x) x\n"
"#define __has_include_next(x) x\n"
"#define __GNUC_MINOR__ 1\n"
"#define __bool __bool\n"
"#define __builtin_vsx_foo __builtin_vsx_foo\n"
"#define __pixel __pixel\n"
"#define __vector __vector\n"
"#define __has_last(x) x",
ver_major);
/* Test GCC builtin definitions for features Clang does not implement. */
fprintf(stdout, DEFINE_FLT(BFLT16));
fprintf(stdout, DEFINE_FLT(FLT32));
fprintf(stdout, DEFINE_FLT(FLT32X));
fprintf(stdout, DEFINE_FLT(FLT64));
fprintf(stdout, DEFINE_FLT(FLT64X));
fprintf(stdout, DEFINE_FLT(FLT128));
fprintf(stdout,
"#define __STDCPP_BFLOAT16_T__\n"
"#define __STDCPP_FLOAT128_T__\n"
"#define __STDCPP_FLOAT16_T__\n"
"#define __STDCPP_FLOAT32_T__\n"
"#define __STDCPP_FLOAT64_T__\n");
fprintf(stderr,
"#include <...> search starts here:\n"
" /some/include\n"
" " TEST_DIR "/cc-gnu-builtin\n"
" /some/Frameworks\n"
" /some/CustomFW (framework directory)\n");
return 0;
}
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