Mercurial > hg > aboriginal
annotate sources/toys/ccwrap.c @ 935:6fb534830d8f
Silence compiler warnings: unused variable ?ignore?
author | Marc Andre Tanner <mat@brain-dump.org> |
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date | Fri, 11 Dec 2009 22:34:39 +0100 |
parents | 809d705262f8 |
children | f2b4d7297c9d |
rev | line source |
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1 /* vi: set ts=4 :*/ |
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2 /* |
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3 * Copyright (C) 2000 Manuel Novoa III |
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4 * Copyright (C) 2002-2003 Erik Andersen |
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5 * Copyright (C) 2006-2009 Rob Landley <rob@landley.net> |
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6 * |
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7 * Wrapper to use uClibc with gcc, and make gcc relocatable. |
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8 * |
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9 * Licensed under GPLv2. |
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10 */ |
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11 |
888 | 12 #ifndef GCC_UNWRAPPED_NAME |
13 #error You forgot -DGCC_UNWRAPPED_NAME='"'$PREFIX-rawgcc'"' | |
14 #else | |
15 | |
16
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16 #define _GNU_SOURCE |
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17 #include <alloca.h> |
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18 #include <stdio.h> |
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19 #include <stdlib.h> |
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20 #include <stdarg.h> |
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21 #include <string.h> |
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22 #include <strings.h> |
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23 #include <unistd.h> |
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24 #include <errno.h> |
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25 #include <sys/stat.h> |
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26 #include <sys/wait.h> |
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27 |
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28 static char *topdir; |
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29 static char nostdinc[] = "-nostdinc"; |
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30 static char nostartfiles[] = "-nostartfiles"; |
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31 static char nodefaultlibs[] = "-nodefaultlibs"; |
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32 static char nostdlib[] = "-nostdlib"; |
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33 |
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34 // For C++ |
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35 static char nostdinc_plus[] = "-nostdinc++"; |
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36 |
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37 // gcc 4.3 generates tons of spurious warnings which you can't shut off. |
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38 |
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39 #define xasprintf(...) do {(void)asprintf(__VA_ARGS__);} while(0) |
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40 |
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41 // #define GIMME_AN_S for wrapper to support --enable-shared toolchain. |
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42 |
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43 #ifdef GIMME_AN_S |
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44 #define ADD_GCC_S() \ |
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45 do { \ |
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46 if (!use_static_linking) \ |
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47 gcc_argv[argcnt++] = "-Wl,--as-needed,-lgcc_s,--no-as-needed"; \ |
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48 else gcc_argv[argcnt++] = "-lgcc_eh"; \ |
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49 } while (0); |
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50 #else |
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51 #define ADD_GCC_S() gcc_argv[argcnt++] = "-lgcc_eh" |
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52 #endif |
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53 |
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54 // Confirm that a regular file exists, and (optionally) has the executable bit. |
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55 int is_file(char *filename, int has_exe) |
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56 { |
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57 // Confirm it has the executable bit set, if necessary. |
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58 if (!has_exe || !access(filename, X_OK)) { |
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59 struct stat st; |
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60 |
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61 // Confirm it exists and is not a directory. |
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62 if (!stat(filename, &st) && S_ISREG(st.st_mode)) return 1; |
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63 } |
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64 return 0; |
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65 } |
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66 |
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67 // Find an executable in a colon-separated path |
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68 |
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69 char *find_in_path(char *path, char *filename, int has_exe) |
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70 { |
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71 // Don't segfault if $PATH wasn't exported |
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72 if (!path) return 0; |
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73 |
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74 char *cwd = getcwd(NULL, 0); |
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75 |
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76 if (index(filename, '/') && is_file(filename, has_exe)) |
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77 return realpath(filename, NULL); |
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78 |
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79 for (;;) { |
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80 char *str, *next = path ? index(path, ':') : NULL; |
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81 int len = next ? next-path : strlen(path); |
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82 |
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83 // The +3 is a corner case: if strlen(filename) is 1, make sure we |
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84 // have enough space to append ".." to make topdir. |
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85 str = malloc(strlen(filename) + (len ? len : strlen(cwd)) + 3); |
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86 if (!len) sprintf(str, "%s/%s", cwd, filename); |
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87 else { |
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88 char *str2 = str; |
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89 |
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90 strncpy(str, path, len); |
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91 str2 = str+len; |
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92 *(str2++) = '/'; |
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93 strcpy(str2, filename); |
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94 } |
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95 |
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96 // If it's not a directory, return it. |
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97 if (is_file(str, has_exe)) { |
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98 char *s = realpath(str, NULL); |
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99 free(str); |
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100 return s; |
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101 } else free(str); |
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102 |
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103 if (!next) break; |
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104 path += len; |
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105 path++; |
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106 } |
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107 free(cwd); |
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108 |
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109 return NULL; |
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110 } |
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111 |
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112 int main(int argc, char **argv) |
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113 { |
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114 int linking = 1, use_static_linking = 0; |
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115 int use_stdinc = 1, use_start = 1, use_stdlib = 1, use_shared = 0; |
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116 int source_count = 0, verbose = 0; |
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117 int i, argcnt, liblen, lplen; |
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118 char **gcc_argv, **libraries, **libpath; |
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119 char *dlstr, *devprefix; |
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120 char *cc, *toolprefix; |
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121 char *debug_wrapper=getenv("WRAPPER_DEBUG"); |
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122 |
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123 // For C++ |
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124 |
547 | 125 char *cpp = NULL; |
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126 int prefixlen, ctor_dtor = 1, use_nostdinc_plus = 0; |
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127 |
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128 // For profiling |
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129 int profile = 0; |
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130 |
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131 if(debug_wrapper) { |
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132 fprintf(stderr,"incoming: "); |
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133 for(gcc_argv=argv;*gcc_argv;gcc_argv++) |
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134 fprintf(stderr,"%s ",*gcc_argv); |
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135 fprintf(stderr,"\n\n"); |
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136 } |
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137 |
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138 // Allocate space for new command line |
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139 gcc_argv = alloca(sizeof(char*) * (argc + 128)); |
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140 |
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141 // What directory is the wrapper script in? |
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142 if(!(topdir = find_in_path(getenv("PATH"), argv[0], 1))) { |
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143 fprintf(stderr, "can't find %s in $PATH (did you export it?)\n", argv[0]); |
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144 exit(1); |
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145 } else { |
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146 char *path = getenv("PATH"), *temp; |
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147 |
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148 // Add that directory to the start of $PATH. (Better safe than sorry.) |
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149 *rindex(topdir,'/') = 0; |
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150 temp = malloc(5+strlen(topdir)+1+strlen(topdir)+14+strlen(path)+1); |
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151 sprintf(temp,"PATH=%s:%s/../tools/bin:%s",topdir,topdir,path); |
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152 putenv(temp); |
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153 |
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154 // The directory above the wrapper script should have include, gcc, |
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155 // and lib directories. However, the script could have a symlink |
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156 // pointing to its directory (ala /bin -> /usr/bin), so append ".." |
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157 // instead of trucating the path. |
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158 strcat(topdir,"/.."); |
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159 } |
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160 |
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161 // What's the name of the C compiler we're wrapping? (It may have a |
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162 // cross-prefix.) |
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163 cc = getenv("WRAPPER_CC"); |
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164 if (!cc) cc = GCC_UNWRAPPED_NAME; |
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165 |
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166 // Check end of name, since there could be a cross-prefix on the thing |
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167 toolprefix = strrchr(argv[0], '/'); |
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168 if (!toolprefix) toolprefix = argv[0]; |
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169 else toolprefix++; |
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170 |
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171 prefixlen = strlen(toolprefix); |
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172 if (prefixlen>=3 && !strcmp(toolprefix+prefixlen-3, "gcc")) prefixlen -= 3; |
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173 else if (!strcmp(toolprefix+prefixlen-2, "cc")) prefixlen -= 2; |
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174 else if (!strcmp(toolprefix+prefixlen-2, "ld")) { |
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175 prefixlen -= 2; |
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176 |
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177 // TODO: put support for wrapping the linker here. |
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178 |
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179 // Wrapping the c++ compiler? |
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180 } else if (!strcmp(toolprefix+prefixlen-2, "++")) { |
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181 int len = strlen(cc); |
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182 cpp = alloca(len+1); |
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183 strcpy(cpp, cc); |
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184 cpp[len-1]='+'; |
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185 cpp[len-2]='+'; |
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186 use_nostdinc_plus = 1; |
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187 } |
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188 |
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189 devprefix = getenv("WRAPPER_TOPDIR"); |
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190 if (!devprefix) { |
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191 char *temp, *temp2; |
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192 xasprintf(&temp, "%.*sWRAPPER_TOPDIR", prefixlen, toolprefix); |
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193 temp2 = temp; |
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194 while (*temp2) { |
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195 if (*temp2 == '-') *temp2='_'; |
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196 temp2++; |
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197 } |
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198 devprefix = getenv(temp); |
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199 } |
547 | 200 if (!devprefix) devprefix = topdir; |
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201 |
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202 |
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203 // Figure out where the dynamic linker is. |
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204 dlstr = getenv("UCLIBC_DYNAMIC_LINKER"); |
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205 if (!dlstr) dlstr = "/lib/ld-uClibc.so.0"; |
550
64779e0f6c28
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549
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206 xasprintf(&dlstr, "-Wl,--dynamic-linker,%s", dlstr); |
13
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207 |
28
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208 liblen = 0; |
433
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209 libraries = alloca(sizeof(char*) * (argc)); |
439
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210 libraries[liblen] = 0; |
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211 |
434
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433
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|
212 lplen = 0; |
433
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213 libpath = alloca(sizeof(char*) * (argc)); |
439
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Next round of wrapper cleanups: give C++ includes a sane path, prefix environment variables with WRAPPER_, don't set pointers to a char '\0' value.
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|
214 libpath[lplen] = 0; |
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215 |
18
eaf7a8d5e697
Managed to get a working toolchain, with wrapper script, to build a hello
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216 // Parse the incoming gcc arguments. |
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217 |
548
b826a6168464
Coding style and whitespace cleanups, and remove one unnecessary if(cpp).
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547
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218 for (i=1; i<argc; i++) { |
13
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219 if (argv[i][0] == '-' && argv[i][1]) { /* option */ |
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220 switch (argv[i][1]) { |
528
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221 case 'M': /* generate dependencies */ |
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222 { |
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223 char *p = argv[i]; |
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224 |
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225 // -M and -MM imply -E and thus no linking |
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226 // Other -MX options _don't_, including -MMD. |
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227 if (p[2] && (p[2]!='M' || p[3])) break; |
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228 } |
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229 // fall through |
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230 |
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231 case 'c': /* compile or assemble */ |
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232 case 'S': /* generate assembler code */ |
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233 case 'E': /* preprocess only */ |
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234 linking = 0; |
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235 break; |
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236 |
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237 case 'L': /* library path */ |
434
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Replace variable "n" with something greppable.
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433
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|
238 libpath[lplen++] = argv[i]; |
439
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Next round of wrapper cleanups: give C++ includes a sane path, prefix environment variables with WRAPPER_, don't set pointers to a char '\0' value.
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239 libpath[lplen] = 0; |
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240 if (!argv[i][2]) { |
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241 argv[i] = 0; |
434
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242 libpath[lplen++] = argv[++i]; |
439
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243 libpath[lplen] = 0; |
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244 } |
439
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245 argv[i] = 0; |
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246 break; |
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247 |
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248 case 'l': /* library */ |
28
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249 libraries[liblen++] = argv[i]; |
439
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250 libraries[liblen] = 0; |
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251 argv[i] = 0; |
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252 break; |
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253 |
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254 case 'v': /* verbose */ |
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255 if (argv[i][2] == 0) verbose = 1; |
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256 printf("Invoked as %s\n", argv[0]); |
16
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Some more work on the wrapper. Still doesn't work yet.
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257 printf("Reference path: %s\n", topdir); |
13
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258 break; |
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259 |
13
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260 case 'n': |
548
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261 if (!strcmp(nostdinc,argv[i])) use_stdinc = 0; |
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262 else if (!strcmp(nostartfiles,argv[i])) { |
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263 ctor_dtor = 0; |
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264 use_start = 0; |
548
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265 } else if (!strcmp(nodefaultlibs,argv[i])) { |
13
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266 use_stdlib = 0; |
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267 argv[i] = 0; |
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268 } else if (!strcmp(nostdlib,argv[i])) { |
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269 ctor_dtor = 0; |
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270 use_start = 0; |
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271 use_stdlib = 0; |
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272 } else if (!strcmp(nostdinc_plus,argv[i])) |
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273 use_nostdinc_plus = 0; |
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274 break; |
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275 |
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276 case 's': |
684
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Fix wrapper so it doesn't misinterpret -static-libgcc as -static.
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277 if (!strcmp(argv[i],"-static")) use_static_linking = 1; |
548
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278 if (!strcmp("-shared",argv[i])) { |
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279 use_start = 0; |
549
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Select crtbegin.o and crtend.o variants more accurately for -static and -shared.
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280 use_shared = 1; |
13
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281 } |
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282 break; |
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283 |
13
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|
284 case 'W': /* -static could be passed directly to ld */ |
548
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285 if (!strncmp("-Wl,",argv[i],4)) { |
684
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550
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|
286 char *temp = strstr(argv[i], ",-static"); |
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287 if (temp && (!temp[7] || temp[7]==',')) |
13
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288 use_static_linking = 1; |
548
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289 if (strstr(argv[i],"--dynamic-linker")) dlstr = 0; |
13
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290 } |
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|
291 break; |
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292 |
20
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293 case 'p': |
29
db08bdb5e9de
The poor design of the gcc command line never ceases to amaze. Notice how
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28
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294 wow_this_sucks: |
20
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295 if (!strncmp("-print-",argv[i],7)) { |
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|
296 char *temp, *temp2; |
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297 int itemp, showall = 0; |
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298 |
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|
299 temp = argv[i]+7; |
748
897fb219ead7
Teach ccwrap to handle --print-prog-name=ld and such.
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684
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|
300 if (!strncmp(temp, "prog-name=", 10)) { |
897fb219ead7
Teach ccwrap to handle --print-prog-name=ld and such.
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684
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|
301 printf("%.*s%s\n", prefixlen, toolprefix, temp+10); |
897fb219ead7
Teach ccwrap to handle --print-prog-name=ld and such.
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684
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|
302 exit(0); |
897fb219ead7
Teach ccwrap to handle --print-prog-name=ld and such.
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684
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|
303 } else if (!strcmp(temp, "search-dirs")) { |
20
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diff
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|
304 printf("install: %s/\n",devprefix); |
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19
diff
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|
305 printf("programs: %s\n",getenv("PATH")); |
44067ab61cd2
Switch linking back on as the default, add support for -print-search-dirs,
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19
diff
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|
306 printf("libraries: "); |
44067ab61cd2
Switch linking back on as the default, add support for -print-search-dirs,
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19
diff
changeset
|
307 temp2 = ""; |
44067ab61cd2
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19
diff
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|
308 showall = 1; |
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19
diff
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|
309 } else if (!strncmp(temp, "file-name=", 10)) |
44067ab61cd2
Switch linking back on as the default, add support for -print-search-dirs,
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19
diff
changeset
|
310 temp2 = temp+10; |
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19
diff
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|
311 else if (!strcmp(temp, "libgcc-file-name")) |
44067ab61cd2
Switch linking back on as the default, add support for -print-search-dirs,
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19
diff
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|
312 temp2="libgcc.a"; |
44067ab61cd2
Switch linking back on as the default, add support for -print-search-dirs,
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19
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|
313 else break; |
13
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|
314 |
20
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19
diff
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|
315 // Find this entry in the library path. |
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Switch linking back on as the default, add support for -print-search-dirs,
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19
diff
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|
316 for(itemp=0;;itemp++) { |
441
8d14303eeca8
Upgrade --print-file-name to search $WRAPPER_DIR/lib, to print the directories it's trying when WRAPPER_DEBUG=1, and a few in-passing cleanups.
Rob Landley <rob@landley.net>
parents:
439
diff
changeset
|
317 if (itemp == lplen) |
905
023b577fb865
Break up sources/sections/binutils-gcc.sh into binutils, gcc, and ccwrap, plus more gcc->cc cleanup.
Rob Landley <rob@landley.net>
parents:
888
diff
changeset
|
318 xasprintf(&temp, "%s/cc/lib/%s", devprefix, |
550
64779e0f6c28
Make spurious gcc 4.3 warnings shut up. (What a horrible compiler.)
Rob Landley <rob@landley.net>
parents:
549
diff
changeset
|
319 temp2); |
441
8d14303eeca8
Upgrade --print-file-name to search $WRAPPER_DIR/lib, to print the directories it's trying when WRAPPER_DEBUG=1, and a few in-passing cleanups.
Rob Landley <rob@landley.net>
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439
diff
changeset
|
320 else if (itemp == lplen+1) |
550
64779e0f6c28
Make spurious gcc 4.3 warnings shut up. (What a horrible compiler.)
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parents:
549
diff
changeset
|
321 xasprintf(&temp, "%s/lib/%s", devprefix, temp2); |
441
8d14303eeca8
Upgrade --print-file-name to search $WRAPPER_DIR/lib, to print the directories it's trying when WRAPPER_DEBUG=1, and a few in-passing cleanups.
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439
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|
322 |
905
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Break up sources/sections/binutils-gcc.sh into binutils, gcc, and ccwrap, plus more gcc->cc cleanup.
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|
323 // This is so "include" finds the cc internal |
441
8d14303eeca8
Upgrade --print-file-name to search $WRAPPER_DIR/lib, to print the directories it's trying when WRAPPER_DEBUG=1, and a few in-passing cleanups.
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439
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|
324 // include dir. The uClibc build needs this. |
8d14303eeca8
Upgrade --print-file-name to search $WRAPPER_DIR/lib, to print the directories it's trying when WRAPPER_DEBUG=1, and a few in-passing cleanups.
Rob Landley <rob@landley.net>
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439
diff
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|
325 else if (itemp == lplen+2) |
905
023b577fb865
Break up sources/sections/binutils-gcc.sh into binutils, gcc, and ccwrap, plus more gcc->cc cleanup.
Rob Landley <rob@landley.net>
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|
326 xasprintf(&temp, "%s/cc/%s", devprefix, temp2); |
441
8d14303eeca8
Upgrade --print-file-name to search $WRAPPER_DIR/lib, to print the directories it's trying when WRAPPER_DEBUG=1, and a few in-passing cleanups.
Rob Landley <rob@landley.net>
parents:
439
diff
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|
327 else if (itemp == lplen+3) { |
20
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19
diff
changeset
|
328 temp = temp2; |
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19
diff
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|
329 break; |
550
64779e0f6c28
Make spurious gcc 4.3 warnings shut up. (What a horrible compiler.)
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549
diff
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|
330 } else xasprintf(&temp, "%s/%s", libpath[itemp], |
20
44067ab61cd2
Switch linking back on as the default, add support for -print-search-dirs,
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19
diff
changeset
|
331 temp2); |
441
8d14303eeca8
Upgrade --print-file-name to search $WRAPPER_DIR/lib, to print the directories it's trying when WRAPPER_DEBUG=1, and a few in-passing cleanups.
Rob Landley <rob@landley.net>
parents:
439
diff
changeset
|
332 |
8d14303eeca8
Upgrade --print-file-name to search $WRAPPER_DIR/lib, to print the directories it's trying when WRAPPER_DEBUG=1, and a few in-passing cleanups.
Rob Landley <rob@landley.net>
parents:
439
diff
changeset
|
333 if (debug_wrapper) |
8d14303eeca8
Upgrade --print-file-name to search $WRAPPER_DIR/lib, to print the directories it's trying when WRAPPER_DEBUG=1, and a few in-passing cleanups.
Rob Landley <rob@landley.net>
parents:
439
diff
changeset
|
334 fprintf(stderr, "try=%s\n", temp); |
8d14303eeca8
Upgrade --print-file-name to search $WRAPPER_DIR/lib, to print the directories it's trying when WRAPPER_DEBUG=1, and a few in-passing cleanups.
Rob Landley <rob@landley.net>
parents:
439
diff
changeset
|
335 |
20
44067ab61cd2
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19
diff
changeset
|
336 if (showall) printf(":%s"+(itemp?0:1), temp); |
44067ab61cd2
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19
diff
changeset
|
337 else if (!access(temp, F_OK)) break; |
44067ab61cd2
Switch linking back on as the default, add support for -print-search-dirs,
Rob Landley <rob@landley.net>
parents:
19
diff
changeset
|
338 } |
44067ab61cd2
Switch linking back on as the default, add support for -print-search-dirs,
Rob Landley <rob@landley.net>
parents:
19
diff
changeset
|
339 |
441
8d14303eeca8
Upgrade --print-file-name to search $WRAPPER_DIR/lib, to print the directories it's trying when WRAPPER_DEBUG=1, and a few in-passing cleanups.
Rob Landley <rob@landley.net>
parents:
439
diff
changeset
|
340 |
8d14303eeca8
Upgrade --print-file-name to search $WRAPPER_DIR/lib, to print the directories it's trying when WRAPPER_DEBUG=1, and a few in-passing cleanups.
Rob Landley <rob@landley.net>
parents:
439
diff
changeset
|
341 |
20
44067ab61cd2
Switch linking back on as the default, add support for -print-search-dirs,
Rob Landley <rob@landley.net>
parents:
19
diff
changeset
|
342 printf("%s\n"+(showall ? 2 : 0), temp); |
44067ab61cd2
Switch linking back on as the default, add support for -print-search-dirs,
Rob Landley <rob@landley.net>
parents:
19
diff
changeset
|
343 exit(0); |
44067ab61cd2
Switch linking back on as the default, add support for -print-search-dirs,
Rob Landley <rob@landley.net>
parents:
19
diff
changeset
|
344 |
44067ab61cd2
Switch linking back on as the default, add support for -print-search-dirs,
Rob Landley <rob@landley.net>
parents:
19
diff
changeset
|
345 // Profiling. |
42
7b0f34fbc35a
Fix inappropriate activation of profiling support, and add environment variable
Rob Landley <rob@landley.net>
parents:
30
diff
changeset
|
346 } else if (!strcmp("-pg",argv[i])) profile = 1; |
13
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
347 break; |
18
eaf7a8d5e697
Managed to get a working toolchain, with wrapper script, to build a hello
Rob Landley <rob@landley.net>
parents:
16
diff
changeset
|
348 |
13
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
349 case 'f': |
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
350 // profiling |
549
2edf40b17ee2
Select crtbegin.o and crtend.o variants more accurately for -static and -shared.
Rob Landley <rob@landley.net>
parents:
548
diff
changeset
|
351 if (strcmp("-fprofile-arcs",argv[i]) == 0) profile = 1; |
13
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
352 break; |
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
353 |
19
b5ffd82d9ae5
Two problems: 1) Needed to parse -print-file-name= to make the uClibc build
Rob Landley <rob@landley.net>
parents:
18
diff
changeset
|
354 // --longopts |
b5ffd82d9ae5
Two problems: 1) Needed to parse -print-file-name= to make the uClibc build
Rob Landley <rob@landley.net>
parents:
18
diff
changeset
|
355 |
13
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
356 case '-': |
29
db08bdb5e9de
The poor design of the gcc command line never ceases to amaze. Notice how
Rob Landley <rob@landley.net>
parents:
28
diff
changeset
|
357 if (!strncmp(argv[i],"--print-",8)) { |
db08bdb5e9de
The poor design of the gcc command line never ceases to amaze. Notice how
Rob Landley <rob@landley.net>
parents:
28
diff
changeset
|
358 argv[i]++; |
db08bdb5e9de
The poor design of the gcc command line never ceases to amaze. Notice how
Rob Landley <rob@landley.net>
parents:
28
diff
changeset
|
359 goto wow_this_sucks; |
684
222886c9b3f5
Fix wrapper so it doesn't misinterpret -static-libgcc as -static.
Rob Landley <rob@landley.net>
parents:
550
diff
changeset
|
360 } else if (!strcmp(argv[i], "--static")) { |
13
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
361 use_static_linking = 1; |
439
f257bd255545
Next round of wrapper cleanups: give C++ includes a sane path, prefix environment variables with WRAPPER_, don't set pointers to a char '\0' value.
Rob Landley <rob@landley.net>
parents:
438
diff
changeset
|
362 argv[i] = 0; |
548
b826a6168464
Coding style and whitespace cleanups, and remove one unnecessary if(cpp).
Rob Landley <rob@landley.net>
parents:
547
diff
changeset
|
363 } else if (!strcmp("--version", argv[i])) { |
13
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
364 printf("uClibc "); |
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
365 fflush(stdout); |
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
366 break; |
548
b826a6168464
Coding style and whitespace cleanups, and remove one unnecessary if(cpp).
Rob Landley <rob@landley.net>
parents:
547
diff
changeset
|
367 } else if (!strcmp("--uclibc-cc", argv[i]) && argv[i+1]) { |
13
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
368 cc = argv[i + 1]; |
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
369 argv[i] = 0; |
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
370 argv[i + 1] = 0; |
548
b826a6168464
Coding style and whitespace cleanups, and remove one unnecessary if(cpp).
Rob Landley <rob@landley.net>
parents:
547
diff
changeset
|
371 } else if (!strncmp ("--uclibc-cc=", argv[i], 12)) { |
13
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
372 cc = argv[i] + 12; |
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
373 argv[i] = 0; |
548
b826a6168464
Coding style and whitespace cleanups, and remove one unnecessary if(cpp).
Rob Landley <rob@landley.net>
parents:
547
diff
changeset
|
374 } else if (!strcmp("--uclibc-no-ctors", argv[i])) { |
13
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
375 ctor_dtor = 0; |
439
f257bd255545
Next round of wrapper cleanups: give C++ includes a sane path, prefix environment variables with WRAPPER_, don't set pointers to a char '\0' value.
Rob Landley <rob@landley.net>
parents:
438
diff
changeset
|
376 argv[i] = 0; |
13
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
377 } |
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
378 break; |
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
379 } |
548
b826a6168464
Coding style and whitespace cleanups, and remove one unnecessary if(cpp).
Rob Landley <rob@landley.net>
parents:
547
diff
changeset
|
380 // assume it is an existing source file |
b826a6168464
Coding style and whitespace cleanups, and remove one unnecessary if(cpp).
Rob Landley <rob@landley.net>
parents:
547
diff
changeset
|
381 } else ++source_count; |
13
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
382 } |
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
383 |
28
a6a06bf0c541
Replace single character variable names with ones that are easier to grep for.
Rob Landley <rob@landley.net>
parents:
22
diff
changeset
|
384 argcnt = 0; |
13
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
385 |
28
a6a06bf0c541
Replace single character variable names with ones that are easier to grep for.
Rob Landley <rob@landley.net>
parents:
22
diff
changeset
|
386 gcc_argv[argcnt++] = cpp ? cpp : cc; |
13
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
387 |
447
4ed02d53fc92
Add C++ support to native compiler, based on uClibc++.
Rob Landley <rob@landley.net>
parents:
441
diff
changeset
|
388 if (cpp) gcc_argv[argcnt++] = "-fno-use-cxa-atexit"; |
13
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
389 |
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
390 if (linking && source_count) { |
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
391 //#if defined HAS_ELF && ! defined HAS_MMU |
28
a6a06bf0c541
Replace single character variable names with ones that are easier to grep for.
Rob Landley <rob@landley.net>
parents:
22
diff
changeset
|
392 // gcc_argv[argcnt++] = "-Wl,-elf2flt"; |
13
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
393 //#endif |
28
a6a06bf0c541
Replace single character variable names with ones that are easier to grep for.
Rob Landley <rob@landley.net>
parents:
22
diff
changeset
|
394 gcc_argv[argcnt++] = nostdlib; |
684
222886c9b3f5
Fix wrapper so it doesn't misinterpret -static-libgcc as -static.
Rob Landley <rob@landley.net>
parents:
550
diff
changeset
|
395 if (use_static_linking) gcc_argv[argcnt++] = "-static"; |
547 | 396 else if (dlstr) gcc_argv[argcnt++] = dlstr; |
548
b826a6168464
Coding style and whitespace cleanups, and remove one unnecessary if(cpp).
Rob Landley <rob@landley.net>
parents:
547
diff
changeset
|
397 for (i=0; i<lplen; i++) |
28
a6a06bf0c541
Replace single character variable names with ones that are easier to grep for.
Rob Landley <rob@landley.net>
parents:
22
diff
changeset
|
398 if (libpath[i]) gcc_argv[argcnt++] = libpath[i]; |
547 | 399 |
400 // just to be safe: | |
550
64779e0f6c28
Make spurious gcc 4.3 warnings shut up. (What a horrible compiler.)
Rob Landley <rob@landley.net>
parents:
549
diff
changeset
|
401 xasprintf(gcc_argv+(argcnt++), "-Wl,-rpath-link,%s/lib", devprefix); |
547 | 402 |
441
8d14303eeca8
Upgrade --print-file-name to search $WRAPPER_DIR/lib, to print the directories it's trying when WRAPPER_DEBUG=1, and a few in-passing cleanups.
Rob Landley <rob@landley.net>
parents:
439
diff
changeset
|
403 |
550
64779e0f6c28
Make spurious gcc 4.3 warnings shut up. (What a horrible compiler.)
Rob Landley <rob@landley.net>
parents:
549
diff
changeset
|
404 xasprintf(gcc_argv+(argcnt++), "-L%s/lib", devprefix); |
905
023b577fb865
Break up sources/sections/binutils-gcc.sh into binutils, gcc, and ccwrap, plus more gcc->cc cleanup.
Rob Landley <rob@landley.net>
parents:
888
diff
changeset
|
405 xasprintf(gcc_argv+(argcnt++), "-L%s/cc/lib", devprefix); |
13
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
406 } |
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
407 if (use_stdinc && source_count) { |
28
a6a06bf0c541
Replace single character variable names with ones that are easier to grep for.
Rob Landley <rob@landley.net>
parents:
22
diff
changeset
|
408 gcc_argv[argcnt++] = nostdinc; |
13
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
409 |
447
4ed02d53fc92
Add C++ support to native compiler, based on uClibc++.
Rob Landley <rob@landley.net>
parents:
441
diff
changeset
|
410 if (cpp) { |
548
b826a6168464
Coding style and whitespace cleanups, and remove one unnecessary if(cpp).
Rob Landley <rob@landley.net>
parents:
547
diff
changeset
|
411 if (use_nostdinc_plus) gcc_argv[argcnt++] = nostdinc_plus; |
28
a6a06bf0c541
Replace single character variable names with ones that are easier to grep for.
Rob Landley <rob@landley.net>
parents:
22
diff
changeset
|
412 gcc_argv[argcnt++] = "-isystem"; |
550
64779e0f6c28
Make spurious gcc 4.3 warnings shut up. (What a horrible compiler.)
Rob Landley <rob@landley.net>
parents:
549
diff
changeset
|
413 xasprintf(gcc_argv+(argcnt++), "%s/c++/include", devprefix); |
13
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
414 } |
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
415 |
28
a6a06bf0c541
Replace single character variable names with ones that are easier to grep for.
Rob Landley <rob@landley.net>
parents:
22
diff
changeset
|
416 gcc_argv[argcnt++] = "-isystem"; |
550
64779e0f6c28
Make spurious gcc 4.3 warnings shut up. (What a horrible compiler.)
Rob Landley <rob@landley.net>
parents:
549
diff
changeset
|
417 xasprintf(gcc_argv+(argcnt++), "%s/include", devprefix); |
28
a6a06bf0c541
Replace single character variable names with ones that are easier to grep for.
Rob Landley <rob@landley.net>
parents:
22
diff
changeset
|
418 gcc_argv[argcnt++] = "-isystem"; |
905
023b577fb865
Break up sources/sections/binutils-gcc.sh into binutils, gcc, and ccwrap, plus more gcc->cc cleanup.
Rob Landley <rob@landley.net>
parents:
888
diff
changeset
|
419 xasprintf(gcc_argv+(argcnt++), "%s/cc/include", devprefix); |
13
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
420 } |
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
421 |
800
d20b91530061
Be a little more consistent about space vs tab indentation.
Rob Landley <rob@landley.net>
parents:
748
diff
changeset
|
422 gcc_argv[argcnt++] = "-U__nptl__"; |
13
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
423 |
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
424 if (linking && source_count) { |
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
425 |
547 | 426 if (profile) |
550
64779e0f6c28
Make spurious gcc 4.3 warnings shut up. (What a horrible compiler.)
Rob Landley <rob@landley.net>
parents:
549
diff
changeset
|
427 xasprintf(gcc_argv+(argcnt++), "%s/lib/gcrt1.o", devprefix); |
547 | 428 |
13
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
429 if (ctor_dtor) { |
550
64779e0f6c28
Make spurious gcc 4.3 warnings shut up. (What a horrible compiler.)
Rob Landley <rob@landley.net>
parents:
549
diff
changeset
|
430 xasprintf(gcc_argv+(argcnt++), "%s/lib/crti.o", devprefix); |
905
023b577fb865
Break up sources/sections/binutils-gcc.sh into binutils, gcc, and ccwrap, plus more gcc->cc cleanup.
Rob Landley <rob@landley.net>
parents:
888
diff
changeset
|
431 xasprintf(gcc_argv+(argcnt++), "%s/cc/lib/crtbegin%s", devprefix, |
549
2edf40b17ee2
Select crtbegin.o and crtend.o variants more accurately for -static and -shared.
Rob Landley <rob@landley.net>
parents:
548
diff
changeset
|
432 use_shared ? "S.o" : use_static_linking ? "T.o" : ".o"); |
13
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
433 } |
441
8d14303eeca8
Upgrade --print-file-name to search $WRAPPER_DIR/lib, to print the directories it's trying when WRAPPER_DEBUG=1, and a few in-passing cleanups.
Rob Landley <rob@landley.net>
parents:
439
diff
changeset
|
434 if (use_start && !profile) |
550
64779e0f6c28
Make spurious gcc 4.3 warnings shut up. (What a horrible compiler.)
Rob Landley <rob@landley.net>
parents:
549
diff
changeset
|
435 xasprintf(gcc_argv+(argcnt++), "%s/lib/crt1.o", devprefix); |
16
7946bc54424b
Some more work on the wrapper. Still doesn't work yet.
Rob Landley <rob@landley.net>
parents:
14
diff
changeset
|
436 |
7946bc54424b
Some more work on the wrapper. Still doesn't work yet.
Rob Landley <rob@landley.net>
parents:
14
diff
changeset
|
437 // Add remaining unclaimed arguments. |
7946bc54424b
Some more work on the wrapper. Still doesn't work yet.
Rob Landley <rob@landley.net>
parents:
14
diff
changeset
|
438 |
28
a6a06bf0c541
Replace single character variable names with ones that are easier to grep for.
Rob Landley <rob@landley.net>
parents:
22
diff
changeset
|
439 for (i=1; i<argc; i++) if (argv[i]) gcc_argv[argcnt++] = argv[i]; |
16
7946bc54424b
Some more work on the wrapper. Still doesn't work yet.
Rob Landley <rob@landley.net>
parents:
14
diff
changeset
|
440 |
13
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
441 if (use_stdlib) { |
28
a6a06bf0c541
Replace single character variable names with ones that are easier to grep for.
Rob Landley <rob@landley.net>
parents:
22
diff
changeset
|
442 //gcc_argv[argcnt++] = "-Wl,--start-group"; |
a6a06bf0c541
Replace single character variable names with ones that are easier to grep for.
Rob Landley <rob@landley.net>
parents:
22
diff
changeset
|
443 gcc_argv[argcnt++] = "-lgcc"; |
438
e9f3011ec40d
Teach wrapper about libgcc_eh.a for static linking.
Rob Landley <rob@landley.net>
parents:
435
diff
changeset
|
444 ADD_GCC_S(); |
13
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
445 } |
28
a6a06bf0c541
Replace single character variable names with ones that are easier to grep for.
Rob Landley <rob@landley.net>
parents:
22
diff
changeset
|
446 for (i = 0 ; i < liblen ; i++) |
a6a06bf0c541
Replace single character variable names with ones that are easier to grep for.
Rob Landley <rob@landley.net>
parents:
22
diff
changeset
|
447 if (libraries[i]) gcc_argv[argcnt++] = libraries[i]; |
13
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
448 if (use_stdlib) { |
447
4ed02d53fc92
Add C++ support to native compiler, based on uClibc++.
Rob Landley <rob@landley.net>
parents:
441
diff
changeset
|
449 if (cpp) { |
28
a6a06bf0c541
Replace single character variable names with ones that are easier to grep for.
Rob Landley <rob@landley.net>
parents:
22
diff
changeset
|
450 gcc_argv[argcnt++] = "-lstdc++"; |
a6a06bf0c541
Replace single character variable names with ones that are easier to grep for.
Rob Landley <rob@landley.net>
parents:
22
diff
changeset
|
451 gcc_argv[argcnt++] = "-lm"; |
13
d34028ce8602
A version of the old uClibc wrapper script, which Chris Faylor maintained for
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
452 } |
28
a6a06bf0c541
Replace single character variable names with ones that are easier to grep for.
Rob Landley <rob@landley.net>
parents:
22
diff
changeset
|
453 gcc_argv[argcnt++] = "-lc"; |
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454 gcc_argv[argcnt++] = "-lgcc"; |
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455 ADD_GCC_S(); |
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456 //gcc_argv[argcnt++] = "-Wl,--end-group"; |
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457 } |
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458 if (ctor_dtor) { |
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459 xasprintf(gcc_argv+(argcnt++), "%s/cc/lib/crtend%s", devprefix, |
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460 use_shared ? "S.o" : ".o"); |
550
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461 xasprintf(gcc_argv+(argcnt++), "%s/lib/crtn.o", devprefix); |
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462 } |
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463 } else for (i=1; i<argc; i++) if (argv[i]) gcc_argv[argcnt++] = argv[i]; |
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464 |
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465 gcc_argv[argcnt++] = NULL; |
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466 |
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467 if (verbose) { |
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468 for (i=0; gcc_argv[i]; i++) printf("arg[%2i] = %s\n", i, gcc_argv[i]); |
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469 fflush(stdout); |
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470 } |
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471 |
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472 if (debug_wrapper) { |
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473 fprintf(stderr, "outgoing: "); |
548
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474 for (i=0; gcc_argv[i]; i++) fprintf(stderr, "%s ",gcc_argv[i]); |
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475 fprintf(stderr, "\n\n"); |
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476 } |
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477 |
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478 execvp(gcc_argv[0], gcc_argv); |
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479 fprintf(stderr, "%s: %s\n", cpp ? cpp : cc, strerror(errno)); |
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480 exit(EXIT_FAILURE); |
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481 } |
888 | 482 #endif |