/* C/ObjC/C++ command line option handling.
- Copyright (C) 2002 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2003 Free Software Foundation, Inc.
Contributed by Neil Booth.
This file is part of GCC.
#include "tree-inline.h"
#include "diagnostic.h"
#include "intl.h"
+#include "cppdefault.h"
+#include "c-incpath.h"
+
+#ifndef TARGET_SYSTEM_ROOT
+# define TARGET_SYSTEM_ROOT NULL
+#endif
/* CPP's options. */
static cpp_options *cpp_opts;
/* If dependency switches (-MF etc.) have been given. */
static bool deps_seen;
+/* If -v seen. */
+static bool verbose;
+
/* Dependency output file. */
static const char *deps_file;
+/* The prefix given by -iprefix, if any. */
+static const char *iprefix;
+
+/* The system root, if any. Overridden by -isysroot. */
+static const char *sysroot = TARGET_SYSTEM_ROOT;
+
+/* Zero disables all standard directories for headers. */
+static bool std_inc = true;
+
+/* Zero disables the C++-specific standard directories for headers. */
+static bool std_cxx_inc = true;
+
+/* If the quote chain has been split by -I-. */
+static bool quote_chain_split;
+
/* Number of deferred options, deferred options array size. */
static size_t deferred_count, deferred_size;
static void preprocess_file PARAMS ((void));
static void handle_deferred_opts PARAMS ((void));
static void sanitize_cpp_opts PARAMS ((void));
+static void add_prefixed_path PARAMS ((const char *, size_t));
#ifndef STDC_0_IN_SYSTEM_HEADERS
#define STDC_0_IN_SYSTEM_HEADERS 0
OPT("CC", CL_ALL, OPT_CC) \
OPT("E", CL_ALL, OPT_E) \
OPT("H", CL_ALL, OPT_H) \
+ OPT("I", CL_ALL | CL_ARG, OPT_I) \
OPT("M", CL_ALL, OPT_M) \
OPT("MD", CL_ALL | CL_SEPARATE, OPT_MD) \
OPT("MF", CL_ALL | CL_ARG, OPT_MF) \
OPT("fenforce-eh-specs", CL_CXX, OPT_fenforce_eh_specs) \
OPT("fenum-int-equiv", CL_CXX, OPT_fenum_int_equiv) \
OPT("fexternal-templates", CL_CXX, OPT_fexternal_templates) \
+ OPT("ffixed-form", CL_C, OPT_ffixed_form) \
+ OPT("ffixed-line-length-", CL_C | CL_JOINED, OPT_ffixed_line_length) \
OPT("ffor-scope", CL_CXX, OPT_ffor_scope) \
OPT("ffreestanding", CL_C, OPT_ffreestanding) \
OPT("fgnu-keywords", CL_CXX, OPT_fgnu_keywords) \
OPT("fweak", CL_CXX, OPT_fweak) \
OPT("fxref", CL_CXX, OPT_fxref) \
OPT("gen-decls", CL_OBJC, OPT_gen_decls) \
+ OPT("idirafter", CL_ALL | CL_ARG, OPT_idirafter) \
+ OPT("iprefix", CL_ALL | CL_ARG, OPT_iprefix) \
+ OPT("isysroot", CL_ALL | CL_ARG, OPT_isysroot) \
+ OPT("isystem", CL_ALL | CL_ARG, OPT_isystem) \
+ OPT("iwithprefix", CL_ALL | CL_ARG, OPT_iwithprefix) \
+ OPT("iwithprefixbefore", CL_ALL | CL_ARG, OPT_iwithprefixbefore) \
OPT("lang-asm", CL_C_ONLY, OPT_lang_asm) \
OPT("lang-objc", CL_ALL, OPT_lang_objc) \
OPT("nostdinc", CL_ALL, OPT_nostdinc) \
#undef COMMAND_LINE_OPTIONS
/* Holds switches parsed by c_common_decode_option (), but whose
- handling is deffered to c_common_post_options (). */
+ handling is deferred to c_common_post_options (). */
static void defer_opt PARAMS ((enum opt_code, const char *));
static struct deferred_opt
{
case OPT_fname_mangling:
case OPT_ftabstop:
case OPT_ftemplate_depth:
+ case OPT_iprefix:
+ case OPT_iwithprefix:
+ case OPT_iwithprefixbefore:
default:
error ("missing argument to \"-%s\"", opt_text);
break;
error ("no class name specified with \"-%s\"", opt_text);
break;
+ case OPT_I:
+ case OPT_idirafter:
+ case OPT_isysroot:
+ case OPT_isystem:
+ error ("missing path after \"-%s\"", opt_text);
+ break;
+
case OPT_MF:
case OPT_MD:
case OPT_MMD:
cpp_opts->print_include_names = 1;
break;
+ case OPT_I:
+ if (strcmp (arg, "-"))
+ add_path (xstrdup (arg), BRACKET, 0);
+ else
+ {
+ if (quote_chain_split)
+ error ("-I- specified twice");
+ quote_chain_split = true;
+ split_quote_chain ();
+ }
+ break;
+
case OPT_M:
case OPT_MM:
/* When doing dependencies with -M or -MM, suppress normal
case OPT_Wdeprecated:
warn_deprecated = on;
+ cpp_opts->warn_deprecated = on;
break;
case OPT_Wdiv_by_zero:
flag_external_templates = on;
goto cp_deprecated;
+ case OPT_ffixed_form:
+ case OPT_ffixed_line_length:
+ /* Fortran front end options ignored when preprocessing only. */
+ if (flag_preprocess_only)
+ result = -1;
+ break;
+
case OPT_ffor_scope:
flag_new_for_scope = on;
break;
flag_gen_declaration = 1;
break;
+ case OPT_idirafter:
+ add_path (xstrdup (arg), AFTER, 0);
+ break;
+
+ case OPT_iprefix:
+ iprefix = arg;
+ break;
+
+ case OPT_isysroot:
+ sysroot = arg;
+ break;
+
+ case OPT_isystem:
+ add_path (xstrdup (arg), SYSTEM, 0);
+ break;
+
+ case OPT_iwithprefix:
+ add_prefixed_path (arg, SYSTEM);
+ break;
+
+ case OPT_iwithprefixbefore:
+ add_prefixed_path (arg, BRACKET);
+ break;
+
case OPT_lang_asm:
cpp_set_lang (parse_in, CLK_ASM);
break;
break;
case OPT_nostdinc:
- /* No default include directories. You must specify all
- include-file directories with -I. */
- cpp_opts->no_standard_includes = 1;
+ std_inc = false;
break;
case OPT_nostdincplusplus:
- /* No default C++-specific include directories. */
- cpp_opts->no_standard_cplusplus_includes = 1;
+ std_cxx_inc = false;
break;
case OPT_o:
break;
case OPT_v:
- cpp_opts->verbose = 1;
+ verbose = true;
break;
}
sanitize_cpp_opts ();
+ register_include_chains (parse_in, sysroot, iprefix,
+ std_inc, std_cxx_inc && c_language == clk_cplusplus,
+ verbose);
+
flag_inline_trees = 1;
/* Use tree inlining if possible. Function instrumentation is only
= warn_long_long && ((!flag_isoc99 && pedantic) || warn_traditional);
}
+/* Add include path with a prefix at the front of its name. */
+static void
+add_prefixed_path (suffix, chain)
+ const char *suffix;
+ size_t chain;
+{
+ const char *prefix;
+
+ prefix = iprefix ? iprefix: cpp_GCC_INCLUDE_DIR;
+ add_path (concat (prefix, suffix), chain, 0);
+}
+
/* Set the C 89 standard (with 1994 amendments if C94, without GNU
extensions if ISO). There is no concept of gnu94. */
static void
fputs (_("\
-f[no-]preprocessed Treat the input file as already preprocessed\n\
-ftabstop=<number> Distance between tab stops for column reporting\n\
+ -isysroot <dir> Set <dir> to be the system root directory\n\
-P Do not generate #line directives\n\
-remap Remap file names when including files\n\
--help Display this information\n\
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