diff options
Diffstat (limited to 'gcc/cp/g++spec.c')
| -rw-r--r-- | gcc/cp/g++spec.c | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/gcc/cp/g++spec.c b/gcc/cp/g++spec.c deleted file mode 100644 index d41c516f64e..00000000000 --- a/gcc/cp/g++spec.c +++ /dev/null @@ -1,226 +0,0 @@ -#include <sys/types.h> -#include <stdio.h> - -#include "config.h" -#include "gansidecl.h" - -/* This bit is set if we saw a `-xfoo' language specification. */ -#define LANGSPEC (1<<1) -/* This bit is set if they did `-lm' or `-lmath'. */ -#define MATHLIB (1<<2) -/* This bit is set if they did `-lc'. */ -#define WITHLIBC (1<<3) - -#ifndef MATH_LIBRARY -#define MATH_LIBRARY "-lm" -#endif - -extern char *xmalloc PROTO((size_t)); - -void -lang_specific_driver (fn, in_argc, in_argv) - void (*fn)(); - int *in_argc; - char ***in_argv; -{ - int i, j; - - /* If non-zero, the user gave us the `-v' flag. */ - int saw_verbose_flag = 0; - - /* This will be 0 if we encounter a situation where we should not - link in libstdc++. */ - int library = 1; - - /* The number of arguments being added to what's in argv, other than - libraries. We use this to track the number of times we've inserted - -xc++/-xnone. */ - int added = 2; - - /* Used to track options that take arguments, so we don't go wrapping - those with -xc++/-xnone. */ - char *quote = NULL; - - /* The new argument list will be contained in this. */ - char **arglist; - - /* Non-zero if we saw a `-xfoo' language specification on the - command line. Used to avoid adding our own -xc++ if the user - already gave a language for the file. */ - int saw_speclang = 0; - - /* "-lm" or "-lmath" if it appears on the command line. */ - char *saw_math = 0; - - /* "-lc" if it appears on the command line. */ - char *saw_libc = 0; - - /* An array used to flag each argument that needs a bit set for - LANGSPEC, MATHLIB, or WITHLIBC. */ - int *args; - - /* By default, we throw on the math library. */ - int need_math = 1; - - /* The total number of arguments with the new stuff. */ - int argc; - - /* The argument list. */ - char **argv; - - /* The total number of arguments with the new stuff. */ - int num_args = 1; - - argc = *in_argc; - argv = *in_argv; - - - args = (int *) xmalloc (argc * sizeof (int)); - bzero ((char *) args, argc * sizeof (int)); - - for (i = 1; i < argc; i++) - { - /* If the previous option took an argument, we swallow it here. */ - if (quote) - { - quote = NULL; - continue; - } - - /* We don't do this anymore, since we don't get them with minus - signs on them. */ - if (argv[i][0] == '\0' || argv[i][1] == '\0') - continue; - - if (argv[i][0] == '-') - { - if (library != 0 && (strcmp (argv[i], "-nostdlib") == 0 - || strcmp (argv[i], "-nodefaultlibs") == 0)) - { - library = 0; - } - else if (strcmp (argv[i], "-lm") == 0 - || strcmp (argv[i], "-lmath") == 0 -#ifdef ALT_LIBM - || strcmp (argv[i], ALT_LIBM) == 0 -#endif - ) - { - args[i] |= MATHLIB; - need_math = 0; - } - else if (strcmp (argv[i], "-lc") == 0) - args[i] |= WITHLIBC; - else if (strcmp (argv[i], "-v") == 0) - { - saw_verbose_flag = 1; - if (argc == 2) - { - /* If they only gave us `-v', don't try to link - in libg++. */ - library = 0; - } - } - else if (strncmp (argv[i], "-x", 2) == 0) - saw_speclang = 1; - else if (((argv[i][2] == '\0' - && (char *)strchr ("bBVDUoeTuIYmLiA", argv[i][1]) != NULL) - || strcmp (argv[i], "-Tdata") == 0)) - quote = argv[i]; - else if (library != 0 && ((argv[i][2] == '\0' - && (char *) strchr ("cSEM", argv[i][1]) != NULL) - || strcmp (argv[i], "-MM") == 0)) - { - /* Don't specify libraries if we won't link, since that would - cause a warning. */ - library = 0; - added -= 2; - } - else - /* Pass other options through. */ - continue; - } - else - { - int len; - - if (saw_speclang) - { - saw_speclang = 0; - continue; - } - - /* If the filename ends in .c or .i, put options around it. - But not if a specified -x option is currently active. */ - len = strlen (argv[i]); - if (len > 2 - && (argv[i][len - 1] == 'c' || argv[i][len - 1] == 'i') - && argv[i][len - 2] == '.') - { - args[i] |= LANGSPEC; - added += 2; - } - } - } - - if (quote) - (*fn) ("argument to `%s' missing\n", quote); - - /* If we know we don't have to do anything, bail now. */ - if (! added && ! library) - { - free (args); - return; - } - - num_args = argc + added + need_math; - arglist = (char **) xmalloc (num_args * sizeof (char *)); - - /* NOTE: We start at 1 now, not 0. */ - for (i = 0, j = 0; i < argc; i++, j++) - { - arglist[j] = argv[i]; - - /* Make sure -lstdc++ is before the math library, since libstdc++ - itself uses those math routines. */ - if (!saw_math && (args[i] & MATHLIB) && library) - { - --j; - saw_math = argv[i]; - } - - if (!saw_libc && (args[i] & WITHLIBC) && library) - { - --j; - saw_libc = argv[i]; - } - - /* Wrap foo.c and foo.i files in a language specification to - force the gcc compiler driver to run cc1plus on them. */ - if (args[i] & LANGSPEC) - { - int len = strlen (argv[i]); - if (argv[i][len - 1] == 'i') - arglist[j++] = "-xc++-cpp-output"; - else - arglist[j++] = "-xc++"; - arglist[j++] = argv[i]; - arglist[j] = "-xnone"; - } - } - - /* Add `-lstdc++' if we haven't already done so. */ - if (library) - arglist[j++] = "-lstdc++"; - if (saw_math) - arglist[j++] = saw_math; - else if (library) - arglist[j++] = MATH_LIBRARY; - if (saw_libc) - arglist[j++] = saw_libc; - - arglist[j] = NULL; - - *in_argc = j; - *in_argv = arglist; -} |