\
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "gcc.h"
#define LANGSPEC (1<<1)
#define MATHLIB (1<<2)
#define WITHLIBC (1<<3)
#ifndef MATH_LIBRARY
#define MATH_LIBRARY "-lm"
#endif
#ifndef MATH_LIBRARY_PROFILE
#define MATH_LIBRARY_PROFILE MATH_LIBRARY
#endif
#ifndef LIBSTDCXX
#define LIBSTDCXX "-lstdc++"
#endif
#ifndef LIBSTDCXX_PROFILE
#define LIBSTDCXX_PROFILE LIBSTDCXX
#endif
void
lang_specific_driver (int *in_argc, const char *const **in_argv,
int *in_added_libraries)
{
int i, j;
int saw_profile_flag = 0;
int saw_verbose_flag = 0;
int library = 0;
int added = 0;
const char *quote = NULL;
const char **arglist;
int saw_speclang = 0;
const char *saw_math = 0;
const char *saw_libc = 0;
int *args;
int need_math = (MATH_LIBRARY[0] != '\0');
int shared_libgcc = 1;
int argc;
const char *const *argv;
int added_libraries;
int num_args = 1;
argc = *in_argc;
argv = *in_argv;
added_libraries = *in_added_libraries;
args = XCNEWVEC (int, argc);
for (i = 1; i < argc; i++)
{
if (quote)
{
quote = NULL;
continue;
}
if (argv[i][0] == '\0' || argv[i][1] == '\0')
continue;
if (argv[i][0] == '-')
{
if (strcmp (argv[i], "-nostdlib") == 0
|| strcmp (argv[i], "-nodefaultlibs") == 0)
{
library = -1;
}
else if (strcmp (argv[i], MATH_LIBRARY) == 0)
{
args[i] |= MATHLIB;
need_math = 0;
}
else if (strcmp (argv[i], "-lc") == 0)
args[i] |= WITHLIBC;
else if (strcmp (argv[i], "-pg") == 0 || strcmp (argv[i], "-p") == 0)
saw_profile_flag++;
else if (strcmp (argv[i], "-v") == 0)
saw_verbose_flag = 1;
else if (strncmp (argv[i], "-x", 2) == 0)
{
\
const char * arg;
if (argv[i][2] != '\0')
arg = argv[i]+2;
else if ((argv[i+1]) != NULL)
quote = arg = argv[i+1];
else
arg = "";
if (library == 0
&& (strcmp (arg, "c++") == 0
|| strcmp (arg, "c++-cpp-output") == 0
|| strcmp (arg, "objective-c++") == 0
|| strcmp (arg, "objective-c++-cpp-output") == 0))
library = 1;
saw_speclang = 1;
}
else if (strcmp (argv[i], "-ObjC++") == 0)
{
if (library == 0)
library = 1;
saw_speclang = 1;
}
\
else if (strcmp (argv[i], "-Xlinker") == 0)
{
quote = argv[i];
if (library == 0)
library = 1;
}
else if (strncmp (argv[i], "-Wl,", 4) == 0)
library = (library == 0) ? 1 : library;
else if (strncmp (argv[i], "-l", 2) == 0)
library = (library == 0) ? 1 : library;
else if (((argv[i][2] == '\0'
&& strchr ("bBVDUoeTuIYmLiA", argv[i][1]) != NULL)
|| strcmp (argv[i], "-Tdata") == 0))
quote = argv[i];
else if ((argv[i][2] == '\0'
&& strchr ("cSEM", argv[i][1]) != NULL)
|| strcmp (argv[i], "-MM") == 0
|| strcmp (argv[i], "-fsyntax-only") == 0)
{
library = -1;
}
else if (strcmp (argv[i], "-static-libgcc") == 0
|| strcmp (argv[i], "-static") == 0)
shared_libgcc = 0;
else if (DEFAULT_WORD_SWITCH_TAKES_ARG (&argv[i][1]))
i++;
else
continue;
}
else
{
int len;
if (saw_speclang)
{
saw_speclang = 0;
continue;
}
len = strlen (argv[i]);
if (len > 2
&& (argv[i][len - 1] == 'c'
|| argv[i][len - 1] == 'i'
|| argv[i][len - 1] == 'h')
&& argv[i][len - 2] == '.')
{
args[i] |= LANGSPEC;
added += 2;
}
if (library == 0)
{
if ((len <= 2 || strcmp (argv[i] + (len - 2), ".H") != 0)
&& (len <= 2 || strcmp (argv[i] + (len - 2), ".h") != 0)
&& (len <= 3 || strcmp (argv[i] + (len - 3), ".hh") != 0))
library = 1;
}
}
}
if (quote)
fatal ("argument to '%s' missing\n", quote);
\
#ifndef ENABLE_SHARED_LIBGCC
shared_libgcc = 0;
#endif
num_args = argc + added + need_math + shared_libgcc + (library > 0) + 1;
arglist = XNEWVEC (const char *, num_args);
i = 0;
j = 0;
arglist[i++] = argv[j++];
while (i < argc)
{
arglist[j] = argv[i];
if (!saw_math && (args[i] & MATHLIB) && library > 0)
{
--j;
saw_math = argv[i];
}
if (!saw_libc && (args[i] & WITHLIBC) && library > 0)
{
--j;
saw_libc = argv[i];
}
if (args[i] & LANGSPEC)
{
int len = strlen (argv[i]);
switch (argv[i][len - 1])
{
case 'c':
arglist[j++] = "-xc++";
break;
case 'i':
arglist[j++] = "-xc++-cpp-output";
break;
case 'h':
arglist[j++] = "-xc++-header";
break;
default:
gcc_unreachable ();
}
arglist[j++] = argv[i];
arglist[j] = "-xnone";
}
i++;
j++;
}
if (library > 0)
{
arglist[j] = saw_profile_flag ? LIBSTDCXX_PROFILE : LIBSTDCXX;
if (arglist[j][0] != '-' || arglist[j][1] == 'l')
added_libraries++;
j++;
}
if (saw_math)
arglist[j++] = saw_math;
else if (library > 0 && need_math)
{
arglist[j] = saw_profile_flag ? MATH_LIBRARY_PROFILE : MATH_LIBRARY;
if (arglist[j][0] != '-' || arglist[j][1] == 'l')
added_libraries++;
j++;
}
if (saw_libc)
arglist[j++] = saw_libc;
if (shared_libgcc)
arglist[j++] = "-shared-libgcc";
arglist[j] = NULL;
*in_argc = j;
*in_argv = arglist;
*in_added_libraries = added_libraries;
}
int lang_specific_pre_link (void)
{
return 0;
}
int lang_specific_extra_outfiles = 0;