[ec24a37] | 1 | /* |
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[40fd7a0] | 2 | * Copyright (c) 2011-2014, Chris Johns <chrisj@rtems.org> |
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[ec24a37] | 3 | * |
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| 4 | * Permission to use, copy, modify, and/or distribute this software for any |
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| 5 | * purpose with or without fee is hereby granted, provided that the above |
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| 6 | * copyright notice and this permission notice appear in all copies. |
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[7461924] | 7 | * |
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[ec24a37] | 8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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| 9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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| 10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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| 11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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| 12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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| 13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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| 14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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| 15 | */ |
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| 16 | |
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| 17 | #include <string.h> |
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| 18 | |
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| 19 | #include <fstream> |
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| 20 | |
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| 21 | #include <rld.h> |
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[7461924] | 22 | #include <rld-cc.h> |
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[ec24a37] | 23 | #include <rld-process.h> |
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[b28e8b3] | 24 | #include <rld-rtems.h> |
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[ec24a37] | 25 | |
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| 26 | namespace rld |
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| 27 | { |
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[7461924] | 28 | namespace cc |
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[ec24a37] | 29 | { |
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[8807135] | 30 | static std::string cc; //< The CC executable as absolute path. |
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| 31 | static bool cc_set; //< True when the CC has been set. |
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| 32 | static std::string cc_name = "gcc"; //< The CC name, ie gcc, clang. |
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[6506aa1] | 33 | |
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| 34 | static std::string ld; //< The LD executable as absolute path. |
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| 35 | static bool ld_set; //< True when the LD has been set. |
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| 36 | static std::string ld_name = "gcc"; //< The LD name, ie gcc, clang. |
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| 37 | |
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| 38 | static std::string exec_prefix; //< The CC/LD executable prefix. |
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[8807135] | 39 | |
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| 40 | static std::string cppflags; //< The CPP flags. |
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| 41 | static std::string cflags; //< The CC flags. |
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| 42 | static std::string cxxflags; //< The CXX flags. |
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| 43 | static std::string ldflags; //< The LD flags. |
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| 44 | |
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| 45 | static std::string warning_cflags; //< The warning flags in cflags. |
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| 46 | static std::string include_cflags; //< The include flags in cflags. |
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| 47 | static std::string machine_cflags; //< The machine flags in cflags. |
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| 48 | static std::string spec_cflags; //< The spec flags in cflags. |
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| 49 | |
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| 50 | static std::string install_path; //< The CC reported install path. |
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| 51 | static std::string programs_path; //< The CC reported programs path. |
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| 52 | static std::string libraries_path; //< The CC reported libraries path. |
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[ec24a37] | 53 | |
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| 54 | /** |
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| 55 | * The list of standard libraries. |
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| 56 | */ |
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| 57 | #define RPS RLD_PATHSTR_SEPARATOR_STR |
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| 58 | static const char* std_lib_c = "libgcc.a" RPS "libssp.a" RPS "libc.a"; |
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| 59 | static const char* std_lib_cplusplus = "libstdc++.a"; |
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| 60 | |
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[7ccb6701] | 61 | const std::string |
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| 62 | strip_cflags (const std::string& flags) |
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| 63 | { |
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| 64 | std::string oflags; |
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| 65 | rld::strings flags_; |
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| 66 | rld::split (flags_, flags); |
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| 67 | |
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| 68 | for (rld::strings::iterator si = flags_.begin (); |
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| 69 | si != flags_.end (); |
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| 70 | ++si) |
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| 71 | { |
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| 72 | if (!rld::starts_with ((*si), "-O") && !rld::starts_with ((*si), "-g")) |
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| 73 | oflags += ' ' + *si; |
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| 74 | } |
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| 75 | |
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| 76 | return rld::trim (oflags); |
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| 77 | } |
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| 78 | |
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| 79 | const std::string |
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| 80 | filter_flags (const std::string& flags, |
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| 81 | const std::string& , |
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| 82 | const std::string& , |
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| 83 | flag_type type, |
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| 84 | std::string& warnings, |
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| 85 | std::string& includes, |
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| 86 | std::string& machines, |
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| 87 | std::string& specs) |
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| 88 | { |
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| 89 | /* |
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| 90 | * Defintion of flags to be filtered. |
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| 91 | */ |
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| 92 | enum flag_group |
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| 93 | { |
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| 94 | fg_warning, |
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| 95 | fg_include, |
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| 96 | fg_machine, |
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| 97 | fg_specs |
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| 98 | }; |
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| 99 | struct flag_def |
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| 100 | { |
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| 101 | flag_group group; ///< The group this flag belong to. |
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| 102 | const char* opt; ///< Option start. |
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| 103 | int count; ///< Number of arguments with the option. |
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| 104 | bool path; ///< Is this a path ? |
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| 105 | int out; ///< If the flag type is set drop the opt.. |
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| 106 | }; |
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| 107 | const flag_def flag_defs[] = |
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| 108 | { |
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| 109 | { fg_warning, "-W", 1, false, ft_cppflags | ft_cflags | ft_ldflags }, |
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| 110 | { fg_include, "-I", 2, true, 0 }, |
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| 111 | { fg_include, "-isystem", 2, true, 0 }, |
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| 112 | { fg_include, "-sysroot", 2, true, 0 }, |
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| 113 | { fg_machine, "-O", 1, false, 0 }, |
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| 114 | { fg_machine, "-m", 1, false, 0 }, |
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| 115 | { fg_machine, "-f", 1, false, 0 }, |
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| 116 | { fg_specs, "-q", 1, false, 0 }, |
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| 117 | { fg_specs, "-B", 2, true, 0 }, |
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| 118 | { fg_specs, "--specs", 2, false, 0 } |
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| 119 | }; |
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| 120 | const int flag_def_size = sizeof (flag_defs) / sizeof (flag_def); |
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| 121 | |
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| 122 | std::string oflags; |
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| 123 | rld::strings flags_; |
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| 124 | |
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| 125 | rld::split (flags_, strip_cflags (flags)); |
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| 126 | |
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| 127 | warnings.clear (); |
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| 128 | includes.clear (); |
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| 129 | machines.clear (); |
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| 130 | specs.clear (); |
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| 131 | |
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| 132 | for (rld::strings::iterator si = flags_.begin (); |
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| 133 | si != flags_.end (); |
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| 134 | ++si) |
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| 135 | { |
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| 136 | std::string opts; |
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| 137 | std::string& opt = *(si); |
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| 138 | bool in = true; |
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| 139 | |
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| 140 | for (int fd = 0; fd < flag_def_size; ++fd) |
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| 141 | { |
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| 142 | if (rld::starts_with (opt, flag_defs[fd].opt)) |
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| 143 | { |
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| 144 | int opt_count = flag_defs[fd].count; |
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| 145 | if (opt_count > 1) |
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| 146 | { |
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| 147 | /* |
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| 148 | * See if the flag is just the option. If is not take one less |
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| 149 | * because the option's argument is joined to the option. |
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| 150 | */ |
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| 151 | if (opt != flag_defs[fd].opt) |
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| 152 | { |
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| 153 | opt_count -= 1; |
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| 154 | /* |
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| 155 | * @todo Path processing here. Not sure what it is needed for. |
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| 156 | */ |
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| 157 | } |
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| 158 | } |
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| 159 | opts += ' ' + opt; |
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| 160 | while (opt_count > 1) |
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| 161 | { |
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| 162 | ++si; |
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| 163 | /* |
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| 164 | * @todo Path processing here. Not sure what it is needed for. |
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| 165 | */ |
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| 166 | opts += ' ' + (*si); |
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| 167 | --opt_count; |
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| 168 | } |
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| 169 | switch (flag_defs[fd].group) |
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| 170 | { |
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| 171 | case fg_warning: |
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| 172 | warnings += ' ' + opts; |
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| 173 | break; |
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| 174 | case fg_include: |
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| 175 | includes += ' ' + opts; |
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| 176 | break; |
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| 177 | case fg_machine: |
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| 178 | machines += ' ' + opts; |
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| 179 | break; |
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| 180 | case fg_specs: |
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| 181 | specs += ' ' + opts; |
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| 182 | break; |
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| 183 | default: |
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| 184 | throw rld::error ("Invalid group", "flag group"); |
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| 185 | } |
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| 186 | if ((flag_defs[fd].out & type) != 0) |
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| 187 | in = false; |
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| 188 | break; |
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| 189 | } |
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| 190 | } |
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| 191 | |
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| 192 | if (in) |
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| 193 | oflags += ' ' + opts; |
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| 194 | } |
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| 195 | |
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| 196 | rld::trim (warnings); |
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| 197 | rld::trim (includes); |
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| 198 | rld::trim (machines); |
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| 199 | rld::trim (specs); |
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| 200 | |
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| 201 | return rld::trim (oflags); |
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| 202 | } |
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| 203 | |
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| 204 | const std::string |
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| 205 | filter_flags (const std::string& flags, |
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| 206 | const std::string& arch, |
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| 207 | const std::string& path, |
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| 208 | flag_type type) |
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| 209 | { |
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| 210 | if (type != ft_cflags) |
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| 211 | { |
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| 212 | std::string warnings; |
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| 213 | std::string includes; |
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| 214 | std::string machines; |
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| 215 | std::string specs; |
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| 216 | return filter_flags (flags, |
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| 217 | arch, |
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| 218 | path, |
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| 219 | type, |
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| 220 | warnings, |
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| 221 | includes, |
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| 222 | machines, |
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| 223 | specs); |
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| 224 | } |
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| 225 | else |
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| 226 | { |
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| 227 | return filter_flags (flags, |
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| 228 | arch, |
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| 229 | path, |
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| 230 | type, |
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| 231 | warning_cflags, |
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| 232 | include_cflags, |
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| 233 | machine_cflags, |
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| 234 | spec_cflags); |
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| 235 | } |
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| 236 | } |
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| 237 | |
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[8807135] | 238 | void |
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| 239 | set_cc (const std::string& cc_) |
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| 240 | { |
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| 241 | cc = cc_; |
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| 242 | cc_set = true; |
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| 243 | } |
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| 244 | |
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| 245 | const std::string |
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| 246 | get_cc () |
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| 247 | { |
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| 248 | return cc; |
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| 249 | } |
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| 250 | |
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| 251 | bool |
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| 252 | is_cc_set () |
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| 253 | { |
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| 254 | return cc_set; |
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| 255 | } |
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| 256 | |
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[6506aa1] | 257 | void |
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| 258 | set_ld (const std::string& ld_) |
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| 259 | { |
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| 260 | ld = ld_; |
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| 261 | ld_set = true; |
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| 262 | } |
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| 263 | |
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| 264 | const std::string |
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| 265 | get_ld () |
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| 266 | { |
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| 267 | return ld; |
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| 268 | } |
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| 269 | |
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| 270 | bool |
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| 271 | is_ld_set () |
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| 272 | { |
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| 273 | return ld_set; |
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| 274 | } |
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| 275 | |
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[8807135] | 276 | void |
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| 277 | set_exec_prefix (const std::string& exec_prefix_) |
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| 278 | { |
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| 279 | exec_prefix = exec_prefix_; |
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| 280 | } |
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| 281 | |
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| 282 | const std::string |
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| 283 | get_exec_prefix () |
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| 284 | { |
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| 285 | return exec_prefix; |
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| 286 | } |
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| 287 | |
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[53e387d] | 288 | bool |
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| 289 | is_exec_prefix_set () |
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[8807135] | 290 | { |
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| 291 | return !exec_prefix.empty (); |
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| 292 | } |
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| 293 | |
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| 294 | void |
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| 295 | set_flags (const std::string& flags, |
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| 296 | const std::string& arch, |
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| 297 | const std::string& path, |
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| 298 | flag_type type) |
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| 299 | { |
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| 300 | std::string* oflags; |
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| 301 | switch (type) |
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| 302 | { |
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| 303 | case ft_cppflags: |
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| 304 | oflags = &cppflags; |
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| 305 | break; |
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| 306 | case ft_cflags: |
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| 307 | oflags = &cflags; |
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| 308 | break; |
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| 309 | case ft_cxxflags: |
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| 310 | oflags = &cxxflags; |
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| 311 | break; |
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| 312 | case ft_ldflags: |
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| 313 | oflags = &ldflags; |
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| 314 | break; |
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| 315 | default: |
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| 316 | throw rld::error ("Invalid flag type", "CC set flags"); |
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| 317 | } |
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| 318 | (*oflags) = filter_flags (flags, arch, path, type); |
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| 319 | } |
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| 320 | |
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| 321 | void |
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| 322 | set_flags (const std::string& flags, flag_type type) |
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| 323 | { |
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| 324 | std::string arch; |
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| 325 | std::string path; |
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| 326 | set_flags (flags, arch, path, type); |
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| 327 | } |
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| 328 | |
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| 329 | void |
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| 330 | append_flags (const std::string& flags, |
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| 331 | const std::string& arch, |
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| 332 | const std::string& path, |
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| 333 | flag_type type) |
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| 334 | { |
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| 335 | std::string* oflags; |
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| 336 | switch (type) |
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| 337 | { |
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| 338 | case ft_cppflags: |
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| 339 | oflags = &cppflags; |
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| 340 | break; |
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| 341 | case ft_cflags: |
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| 342 | oflags = &cflags; |
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| 343 | break; |
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| 344 | case ft_cxxflags: |
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| 345 | oflags = &cxxflags; |
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| 346 | break; |
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| 347 | case ft_ldflags: |
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| 348 | oflags = &ldflags; |
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| 349 | break; |
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| 350 | default: |
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| 351 | throw rld::error ("Invalid flag type", "CC set flags"); |
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| 352 | } |
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| 353 | if (oflags->empty ()) |
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| 354 | *oflags += filter_flags (flags, arch, path, type); |
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| 355 | else |
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| 356 | *oflags += ' ' + filter_flags (flags, arch, path, type); |
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| 357 | } |
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| 358 | |
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| 359 | void |
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| 360 | append_flags (const std::string& flags, flag_type type) |
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| 361 | { |
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| 362 | std::string arch; |
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| 363 | std::string path; |
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| 364 | append_flags (flags, arch, path, type); |
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| 365 | } |
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| 366 | |
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| 367 | const std::string |
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| 368 | get_flags (flag_type type) |
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| 369 | { |
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| 370 | std::string* flags; |
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| 371 | switch (type) |
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| 372 | { |
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| 373 | case ft_cppflags: |
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| 374 | flags = &cppflags; |
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| 375 | break; |
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| 376 | case ft_cflags: |
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| 377 | flags = &cflags; |
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| 378 | break; |
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| 379 | case ft_cxxflags: |
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| 380 | flags = &cxxflags; |
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| 381 | break; |
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| 382 | case ft_ldflags: |
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| 383 | flags = &ldflags; |
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| 384 | break; |
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| 385 | default: |
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| 386 | throw rld::error ("Invalid flag type", "CC get flags"); |
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| 387 | } |
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| 388 | return *flags; |
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| 389 | } |
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| 390 | |
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| 391 | const std::string |
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| 392 | get_flags (flag_group group) |
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| 393 | { |
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| 394 | std::string* flags; |
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| 395 | switch (group) |
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| 396 | { |
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| 397 | case fg_warning_flags: |
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| 398 | flags = &warning_cflags; |
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| 399 | break; |
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| 400 | case fg_include_flags: |
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| 401 | flags = &include_cflags; |
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| 402 | break; |
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| 403 | case fg_machine_flags: |
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| 404 | flags = &machine_cflags; |
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| 405 | break; |
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| 406 | case fg_spec_flags: |
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| 407 | flags = &spec_cflags; |
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| 408 | break; |
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| 409 | default: |
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| 410 | throw rld::error ("Invalid flag group", "CC get flags"); |
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| 411 | } |
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| 412 | return *flags; |
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| 413 | } |
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| 414 | |
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| 415 | void |
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| 416 | append_flags (flag_type type, rld::process::arg_container& args) |
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| 417 | { |
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| 418 | const std::string* flags = 0; |
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| 419 | switch (type) |
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| 420 | { |
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| 421 | case ft_cppflags: |
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| 422 | flags = &cppflags; |
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| 423 | break; |
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| 424 | case ft_cflags: |
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| 425 | flags = &cflags; |
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| 426 | break; |
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| 427 | case ft_cxxflags: |
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| 428 | flags = &cxxflags; |
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| 429 | break; |
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| 430 | case ft_ldflags: |
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| 431 | flags = &ldflags; |
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| 432 | break; |
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| 433 | default: |
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| 434 | throw rld::error ("Invalid flag type", "CC append flags"); |
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| 435 | } |
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| 436 | if (!flags->empty ()) |
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| 437 | rld::process::args_append (args, *flags); |
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| 438 | } |
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| 439 | |
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| 440 | void |
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| 441 | make_cc_command (rld::process::arg_container& args) |
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| 442 | { |
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| 443 | /* |
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| 444 | * Use the absolute path to CC if provided. |
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| 445 | */ |
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[6506aa1] | 446 | if (is_cc_set ()) |
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| 447 | { |
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[8807135] | 448 | args.push_back (cc); |
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[6506aa1] | 449 | } |
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[8807135] | 450 | else |
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| 451 | { |
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| 452 | std::string cmd = cc_name; |
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| 453 | if (!exec_prefix.empty ()) |
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[b28e8b3] | 454 | cmd = exec_prefix + "-rtems" + rld::rtems::version () + '-' + cmd; |
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[8807135] | 455 | args.push_back (cmd); |
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| 456 | } |
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| 457 | } |
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| 458 | |
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[6506aa1] | 459 | void |
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| 460 | make_ld_command (rld::process::arg_container& args) |
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| 461 | { |
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| 462 | /* |
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| 463 | * Use the absolute path to LD if provided. |
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| 464 | */ |
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| 465 | if (is_ld_set ()) |
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| 466 | { |
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| 467 | args.push_back (get_ld ()); |
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| 468 | } |
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| 469 | else |
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| 470 | { |
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| 471 | std::string cmd = ld_name; |
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| 472 | if (!exec_prefix.empty ()) |
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| 473 | cmd = exec_prefix + "-rtems" + rld::rtems::version () + '-' + cmd; |
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| 474 | args.push_back (cmd); |
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| 475 | } |
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| 476 | } |
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| 477 | |
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[ec24a37] | 478 | static bool |
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| 479 | match_and_trim (const char* prefix, std::string& line, std::string& result) |
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| 480 | { |
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| 481 | std::string::size_type pos = ::strlen (prefix); |
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| 482 | if (line.substr (0, pos) == prefix) |
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| 483 | { |
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| 484 | if (line[pos] == '=') |
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| 485 | ++pos; |
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| 486 | result = line.substr (pos, line.size () - pos - 1); |
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| 487 | return true; |
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| 488 | } |
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| 489 | return false; |
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| 490 | } |
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| 491 | |
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| 492 | static void |
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| 493 | search_dirs () |
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| 494 | { |
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| 495 | rld::process::arg_container args; |
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| 496 | |
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| 497 | make_cc_command (args); |
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[8807135] | 498 | append_flags (ft_cppflags, args); |
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| 499 | append_flags (ft_cflags, args); |
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[ec24a37] | 500 | args.push_back ("-print-search-dirs"); |
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[7461924] | 501 | |
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[ec24a37] | 502 | rld::process::tempfile out; |
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| 503 | rld::process::tempfile err; |
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| 504 | rld::process::status status; |
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| 505 | |
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[40fd7a0] | 506 | status = rld::process::execute (cc_name, args, out.name (), err.name ()); |
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[ec24a37] | 507 | |
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| 508 | if ((status.type == rld::process::status::normal) && |
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| 509 | (status.code == 0)) |
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| 510 | { |
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| 511 | if (rld::verbose () >= RLD_VERBOSE_DETAILS) |
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[40fd7a0] | 512 | out.output (cc_name, std::cout, true); |
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[ec24a37] | 513 | out.open (); |
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| 514 | while (true) |
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| 515 | { |
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| 516 | std::string line; |
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[a136346] | 517 | out.read_line (line); |
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[ec24a37] | 518 | if (line.size () == 0) |
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| 519 | break; |
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| 520 | if (match_and_trim ("install: ", line, install_path)) |
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| 521 | continue; |
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| 522 | if (match_and_trim ("programs: ", line, programs_path)) |
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| 523 | continue; |
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| 524 | if (match_and_trim ("libraries: ", line, libraries_path)) |
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| 525 | continue; |
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| 526 | } |
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| 527 | out.close (); |
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| 528 | if (rld::verbose () >= RLD_VERBOSE_DETAILS) |
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| 529 | { |
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[7461924] | 530 | std::cout << "cc::install: " << install_path << std::endl |
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| 531 | << "cc::programs: " << programs_path << std::endl |
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| 532 | << "cc::libraries: " << libraries_path << std::endl; |
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[ec24a37] | 533 | } |
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| 534 | } |
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| 535 | else |
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| 536 | { |
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[40fd7a0] | 537 | err.output (cc_name, std::cout); |
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[ec24a37] | 538 | } |
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| 539 | } |
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| 540 | |
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| 541 | void |
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| 542 | get_library_path (std::string& name, std::string& path) |
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| 543 | { |
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| 544 | rld::process::arg_container args; |
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| 545 | |
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| 546 | make_cc_command (args); |
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[8807135] | 547 | append_flags (ft_cppflags, args); |
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| 548 | append_flags (ft_cflags, args); |
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[ec24a37] | 549 | args.push_back ("-print-file-name=" + name); |
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[7461924] | 550 | |
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[ec24a37] | 551 | rld::process::tempfile out; |
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| 552 | rld::process::tempfile err; |
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| 553 | rld::process::status status; |
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| 554 | |
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[40fd7a0] | 555 | status = rld::process::execute (cc_name, args, out.name (), err.name ()); |
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[ec24a37] | 556 | |
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| 557 | if ((status.type == rld::process::status::normal) && |
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| 558 | (status.code == 0)) |
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| 559 | { |
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| 560 | if (rld::verbose () >= RLD_VERBOSE_DETAILS) |
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[7461924] | 561 | out.output ("cc", std::cout, true); |
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[ec24a37] | 562 | out.open (); |
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[a136346] | 563 | out.read (path); |
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[ec24a37] | 564 | out.close (); |
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| 565 | if (rld::verbose () >= RLD_VERBOSE_DETAILS) |
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[7461924] | 566 | std::cout << "cc::libpath: " << name << " -> " << path << std::endl; |
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[ec24a37] | 567 | } |
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| 568 | else |
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| 569 | { |
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[7461924] | 570 | err.output ("cc", std::cout); |
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[ec24a37] | 571 | } |
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| 572 | } |
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| 573 | |
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| 574 | void |
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[40fd7a0] | 575 | get_standard_libpaths (rld::path::paths& libpaths) |
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[ec24a37] | 576 | { |
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| 577 | search_dirs (); |
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[53e387d] | 578 | rld::path::paths stdlibpaths; |
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| 579 | rld::split (stdlibpaths, libraries_path, RLD_PATHSTR_SEPARATOR); |
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| 580 | libpaths.insert (libpaths.end (), stdlibpaths.begin (), stdlibpaths.end ()); |
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[ec24a37] | 581 | } |
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| 582 | |
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| 583 | void |
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[40fd7a0] | 584 | get_standard_libs (rld::path::paths& libs, |
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| 585 | rld::path::paths& libpaths, |
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| 586 | bool cplusplus) |
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[ec24a37] | 587 | { |
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| 588 | strings libnames; |
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| 589 | |
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[8807135] | 590 | rld::split (libnames, std_lib_c, RLD_PATHSTR_SEPARATOR); |
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[ec24a37] | 591 | if (cplusplus) |
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[40fd7a0] | 592 | rld::path::path_split (std_lib_cplusplus, libnames); |
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[ec24a37] | 593 | |
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| 594 | for (strings::iterator lni = libnames.begin (); |
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| 595 | lni != libnames.end (); |
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| 596 | ++lni) |
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| 597 | { |
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| 598 | if (rld::verbose () >= RLD_VERBOSE_INFO) |
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[7461924] | 599 | std::cout << "cc::stdlib: " << *lni << std::endl; |
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[ec24a37] | 600 | |
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| 601 | std::string path; |
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| 602 | |
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[40fd7a0] | 603 | rld::path::find_file (path, *lni, libpaths); |
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[ec24a37] | 604 | if (path.empty ()) |
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| 605 | throw rld::error ("Library not found: " + *lni, "getting standard libs"); |
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| 606 | |
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| 607 | libs.push_back (path); |
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| 608 | } |
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| 609 | } |
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| 610 | } |
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| 611 | } |
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