/*
scconfig - math feature detection
Copyright (C) 2013 Tibor Palinkas
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Project page: http://repo.hu/projects/scconfig
Contact via email: scconfig [at] igor2.repo.hu
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include "libs.h"
#include "log.h"
#include "db.h"
#include "dep.h"
#include "find_mfunc_cc.h"
#define MATHH "#include <math.h>"
int find_math_isnan(const char *name, int logdepth, int fatal)
{
char *test_c =
NL "#include <stdio.h>"
NL "int main() {"
NL " if (!isnan(1.0))"
NL " puts(\"OK\");"
NL " return 0;"
NL "}"
NL;
require("cc/cc", logdepth, fatal);
report("Checking for isnan... ");
logprintf(logdepth, "find_math_isnan: trying to find isnan...\n");
logdepth++;
if (try_icl(logdepth, "libs/math/isnan", test_c, MATHH, NULL, NULL)) return 0;
if (try_icl(logdepth, "libs/math/isnan", test_c, MATHH, NULL, "-lm")) return 0;
if (try_icl(logdepth, "libs/math/isnan", test_c, "#define _BSD_SOURCE\n" MATHH, NULL, NULL)) return 0;
if (try_icl(logdepth, "libs/math/isnan", test_c, "#define _BSD_SOURCE\n" MATHH, NULL, "-lm")) return 0;
if (try_icl(logdepth, "libs/math/isnan", test_c, "#define _XOPEN_SOURCE\n" MATHH, NULL, NULL)) return 0;
if (try_icl(logdepth, "libs/math/isnan", test_c, "#define _XOPEN_SOURCE\n" MATHH, NULL, "-lm")) return 0;
return try_fail(logdepth, "libs/math/isnan");
}
int find_math_isinf(const char *name, int logdepth, int fatal)
{
char *test_c =
NL "#include <stdio.h>"
NL "int main() {"
NL " if (!isinf(1.0))"
NL " puts(\"OK\");"
NL " return 0;"
NL "}"
NL;
require("cc/cc", logdepth, fatal);
report("Checking for isinf... ");
logprintf(logdepth, "find_math_isinf: try_icling to find isinf...\n");
logdepth++;
if (try_icl(logdepth, "libs/math/isinf", test_c, MATHH, NULL, NULL)) return 0;
if (try_icl(logdepth, "libs/math/isinf", test_c, MATHH, NULL, "-lm")) return 0;
if (try_icl(logdepth, "libs/math/isinf", test_c, "#define _BSD_SOURCE\n" MATHH, NULL, NULL)) return 0;
if (try_icl(logdepth, "libs/math/isinf", test_c, "#define _BSD_SOURCE\n" MATHH, NULL, "-lm")) return 0;
if (try_icl(logdepth, "libs/math/isinf", test_c, "#define _XOPEN_SOURCE\n" MATHH, NULL, NULL)) return 0;
if (try_icl(logdepth, "libs/math/isinf", test_c, "#define _XOPEN_SOURCE\n" MATHH, NULL, "-lm")) return 0;
return try_fail(logdepth, "libs/math/isinf");
}
int find_math_isfinite(const char *name, int logdepth, int fatal)
{
char *test_c =
NL "#include <stdio.h>"
NL "int main() {"
NL " if (isfinite(1.0))"
NL " puts(\"OK\");"
NL " return 0;"
NL "}"
NL;
require("cc/cc", logdepth, fatal);
report("Checking for isfinite... ");
logprintf(logdepth, "find_math_isfinite: try_icling to find isfinite...\n");
logdepth++;
if (try_icl(logdepth, "libs/math/isfinite", test_c, MATHH, NULL, NULL)) return 0;
if (try_icl(logdepth, "libs/math/isfinite", test_c, MATHH, NULL, "-lm")) return 0;
if (try_icl(logdepth, "libs/math/isfinite", test_c, "#define _BSD_SOURCE\n" MATHH, NULL, NULL)) return 0;
if (try_icl(logdepth, "libs/math/isfinite", test_c, "#define _BSD_SOURCE\n" MATHH, NULL, "-lm")) return 0;
if (try_icl(logdepth, "libs/math/isfinite", test_c, "#define _XOPEN_SOURCE\n" MATHH, NULL, NULL)) return 0;
if (try_icl(logdepth, "libs/math/isfinite", test_c, "#define _XOPEN_SOURCE\n" MATHH, NULL, "-lm")) return 0;
return try_fail(logdepth, "libs/math/isfinite");
}
int find_math_isnormal(const char *name, int logdepth, int fatal)
{
char *test_c =
NL "#include <stdio.h>"
NL "int main() {"
NL " if (isnormal(1.0))"
NL " puts(\"OK\");"
NL " return 0;"
NL "}"
NL;
require("cc/cc", logdepth, fatal);
report("Checking for isnormal... ");
logprintf(logdepth, "find_math_isnormal: try_icling to find isnormal...\n");
logdepth++;
if (try_icl(logdepth, "libs/math/isnormal", test_c, MATHH, NULL, NULL)) return 0;
if (try_icl(logdepth, "libs/math/isnormal", test_c, MATHH, NULL, "-lm")) return 0;
if (try_icl(logdepth, "libs/math/isnormal", test_c, "#define _BSD_SOURCE\n" MATHH, NULL, NULL)) return 0;
if (try_icl(logdepth, "libs/math/isnormal", test_c, "#define _BSD_SOURCE\n" MATHH, NULL, "-lm")) return 0;
if (try_icl(logdepth, "libs/math/isnormal", test_c, "#define _XOPEN_SOURCE\n" MATHH, NULL, NULL)) return 0;
if (try_icl(logdepth, "libs/math/isnormal", test_c, "#define _XOPEN_SOURCE\n" MATHH, NULL, "-lm")) return 0;
if (try_icl(logdepth, "libs/math/isnormal", test_c, "#define _ISOC99_SOURCE\n" MATHH, NULL, NULL)) return 0;
if (try_icl(logdepth, "libs/math/isnormal", test_c, "#define _ISOC99_SOURCE\n" MATHH, NULL, "-lm")) return 0;
if (try_icl(logdepth, "libs/math/isnormal", test_c, "#define _XOPEN_SOURCE 600\n" MATHH, NULL, NULL)) return 0;
if (try_icl(logdepth, "libs/math/isnormal", test_c, "#define _XOPEN_SOURCE 600\n" MATHH, NULL, "-lm")) return 0;
return try_fail(logdepth, "libs/math/isnormal");
}
int find_math_nan(const char *name, int logdepth, int fatal)
{
char *test_c =
NL "#include <stdio.h>"
NL "int main() {"
NL " if (nan(\"foo\") != 0.0)"
NL " puts(\"OK\");"
NL " return 0;"
NL "}"
NL;
require("cc/cc", logdepth, fatal);
report("Checking for nan... ");
logprintf(logdepth, "find_math_nan: try_icling to find nan...\n");
logdepth++;
if (try_icl(logdepth, "libs/math/nan", test_c, MATHH, NULL, NULL)) return 0;
if (try_icl(logdepth, "libs/math/nan", test_c, MATHH, NULL, "-lm")) return 0;
if (try_icl(logdepth, "libs/math/nan", test_c, "#define _ISOC99_SOURCE\n" MATHH, NULL, NULL)) return 0;
if (try_icl(logdepth, "libs/math/nan", test_c, "#define _ISOC99_SOURCE\n" MATHH, NULL, "-lm")) return 0;
if (try_icl(logdepth, "libs/math/nan", test_c, "#define _XOPEN_SOURCE 600\n" MATHH, NULL, NULL)) return 0;
if (try_icl(logdepth, "libs/math/nan", test_c, "#define _XOPEN_SOURCE 600\n" MATHH, NULL, "-lm")) return 0;
return try_fail(logdepth, "libs/math/nan");
}
int find_math_nanop(const char *name, int logdepth, int fatal)
{
char *test_c_temp =
NL "#include <stdlib.h>"
NL "#include <stdio.h>"
NL "#include <string.h>"
NL "%s"
NL
NL "double s2d(const char *s)"
NL "{"
NL " if (strcmp(s, \"nan\") == 0)"
NL " return nan(\"nan\");"
NL " return atof(s);"
NL "}"
NL "int main(int argc, char *argv[])"
NL "{"
NL " double op1, op2, res;"
NL " op1 = s2d(argv[1]);"
NL " op2 = s2d(argv[3]);"
NL " switch(*argv[2]) {"
NL " case '+': res = op1 + op2; break;"
NL " case '-': res = op1 - op2; break;"
NL " case 'M': res = op1 * op2; break;"
NL " case '/': res = op1 / op2; break;"
NL " }"
NL " if (isnan(res))"
NL " printf(\"nan\\n\");"
NL " else"
NL " printf(\"%%f\\n\", res);"
NL " return 0;"
NL "}"
NL;
char test_c[2048];
char *inc, *test_bin, *test_bin_esc, *out, *s, *cmd = test_c;
char *tests[] = {
"%s 1 + 1", "2.0", NULL,
"%s nan + 1", "nan", "add",
"%s nan - 1", "nan", "sub",
"%s nan M 1", "nan", "multiply",
"%s nan / 1", "nan", "divide",
NULL, NULL
};
char **test;
int bad = 0;
require("libs/math/nan/presents", logdepth, fatal);
require("libs/math/isnan/presents", logdepth, fatal);
require("cc/cc", logdepth, fatal);
if (!istrue(get("libs/math/isnan/presents")) || !istrue(get("libs/math/nan/presents")))
return try_fail(logdepth, "libs/math/nanop/presents");
inc = esc_interpret(get("libs/math/isnan/includes"));
sprintf(test_c, test_c_temp, inc);
free(inc);
report("Checking for nanop... ");
logprintf(logdepth, "find_math_nan: try_icling to find nan...\n");
logdepth++;
test_bin = NULL;
if (compile_code(logdepth, test_c, &test_bin, NULL, get("libs/math/nan/cflags"), get("libs/math/nan/ldflags")) != 0)
return try_fail(logdepth, "libs/math/nanop/presents");
report("found\n");
test_bin_esc = shell_escape_dup(test_bin);
for(test = tests; *test != NULL; test += 3) {
report(test[0], "");
report("... ");
sprintf(cmd, test[0], test_bin_esc);
run(logdepth, cmd, &out);
if (test[2] != NULL)
sprintf(cmd, "libs/math/nanop/%s", test[2]);
if (out != NULL) {
if (target_emu_fail(out) || (test[1] == NULL) || (strncmp(out, test[1], strlen(test[1])) == 0)) {
report("OK (%s)\n", test[1]);
if (test[2] != NULL)
put(cmd, test[1]);
}
else {
report("? (");
for(s = out; *s != '\0'; s++)
if ((*s == '\n') || (*s == '\r'))
*s = ' ';
report(out);
report(")\n");
if (test[2] != NULL)
put(cmd, out);
bad = 1;
}
free(out);
}
else
bad = 1;
}
if (bad)
put("libs/math/nanop/allok", sfalse);
else
put("libs/math/nanop/allok", strue);
put("libs/math/nanop/presents", strue);
unlink(test_bin);
free(test_bin);
free(test_bin_esc);
return 0;
}