1 | #ifdef HAVE_CONFIG_H |
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2 | #include "config.h" |
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3 | #endif |
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4 | |
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5 | #include "pkg.h" |
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6 | #include "parse.h" |
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7 | |
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8 | #include "popt.h" |
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9 | #include <stdlib.h> |
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10 | #include <string.h> |
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11 | #include <ctype.h> |
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12 | #include <stdio.h> |
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13 | |
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14 | #ifdef G_OS_WIN32 |
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15 | #define STRICT |
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16 | #include <windows.h> |
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17 | #undef STRICT |
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18 | #endif |
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19 | |
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20 | static int want_debug_spew = 0; |
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21 | static int want_verbose_errors = 0; |
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22 | static int want_stdout_errors = 0; |
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23 | |
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24 | void |
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25 | debug_spew (const char *format, ...) |
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26 | { |
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27 | va_list args; |
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28 | gchar *str; |
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29 | FILE* stream; |
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30 | |
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31 | g_return_if_fail (format != NULL); |
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32 | |
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33 | if (!want_debug_spew) |
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34 | return; |
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35 | |
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36 | va_start (args, format); |
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37 | str = g_strdup_vprintf (format, args); |
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38 | va_end (args); |
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39 | |
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40 | if (want_stdout_errors) |
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41 | stream = stdout; |
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42 | else |
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43 | stream = stderr; |
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44 | |
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45 | fputs (str, stream); |
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46 | fflush (stream); |
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47 | |
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48 | g_free (str); |
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49 | } |
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50 | |
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51 | void |
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52 | verbose_error (const char *format, ...) |
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53 | { |
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54 | va_list args; |
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55 | gchar *str; |
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56 | |
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57 | g_return_if_fail (format != NULL); |
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58 | |
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59 | if (!want_verbose_errors) |
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60 | return; |
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61 | |
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62 | va_start (args, format); |
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63 | str = g_strdup_vprintf (format, args); |
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64 | va_end (args); |
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65 | |
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66 | fputs (str, stderr); |
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67 | fflush (stdout); |
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68 | |
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69 | g_free (str); |
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70 | } |
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71 | |
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72 | #define DEFINE_VARIABLE 1 |
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73 | |
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74 | static void |
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75 | popt_callback (poptContext con, |
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76 | enum poptCallbackReason reason, |
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77 | const struct poptOption * opt, |
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78 | const char * arg, void * data) |
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79 | { |
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80 | debug_spew ("Option --%s seen\n", opt->longName); |
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81 | |
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82 | if (opt->val == DEFINE_VARIABLE) |
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83 | { |
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84 | char *varname; |
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85 | char *varval; |
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86 | char *tmp; |
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87 | |
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88 | tmp = g_strdup (arg); |
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89 | |
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90 | varname = tmp; |
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91 | while (*varname && isspace ((guchar)*varname)) |
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92 | ++varname; |
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93 | |
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94 | varval = varname; |
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95 | while (*varval && *varval != '=' && *varval != ' ') |
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96 | ++varval; |
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97 | |
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98 | while (*varval && (*varval == '=' || *varval == ' ')) |
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99 | { |
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100 | *varval = '\0'; |
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101 | ++varval; |
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102 | } |
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103 | |
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104 | if (*varval == '\0') |
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105 | { |
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106 | fprintf (stderr, "--define-variable argument does not have a value for the variable\n"); |
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107 | |
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108 | exit (1); |
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109 | } |
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110 | |
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111 | define_global_variable (varname, varval); |
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112 | |
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113 | g_free (tmp); |
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114 | } |
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115 | } |
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116 | |
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117 | static gboolean |
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118 | pkg_uninstalled (Package *pkg) |
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119 | { |
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120 | /* See if > 0 pkgs were uninstalled */ |
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121 | GSList *tmp; |
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122 | |
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123 | if (pkg->uninstalled) |
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124 | return TRUE; |
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125 | |
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126 | tmp = pkg->requires; |
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127 | while (tmp != NULL) |
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128 | { |
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129 | Package *pkg = tmp->data; |
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130 | |
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131 | if (pkg_uninstalled (pkg)) |
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132 | return TRUE; |
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133 | |
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134 | tmp = g_slist_next (tmp); |
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135 | } |
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136 | |
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137 | return FALSE; |
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138 | } |
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139 | |
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140 | int |
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141 | main (int argc, char **argv) |
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142 | { |
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143 | static int want_my_version = 0; |
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144 | static int want_version = 0; |
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145 | static int want_libs = 0; |
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146 | static int want_cflags = 0; |
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147 | static int want_l_libs = 0; |
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148 | static int want_L_libs = 0; |
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149 | static int want_I_cflags = 0; |
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150 | static int want_list = 0; |
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151 | static int result; |
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152 | static int want_uninstalled = 0; |
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153 | static char *variable_name = NULL; |
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154 | static int want_exists = 0; |
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155 | static char *required_atleast_version = NULL; |
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156 | static char *required_exact_version = NULL; |
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157 | static char *required_max_version = NULL; |
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158 | static char *required_pkgconfig_version = NULL; |
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159 | static int want_silence_errors = 0; |
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160 | GString *str; |
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161 | GSList *packages = NULL; |
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162 | char *search_path; |
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163 | char *pcbuilddir; |
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164 | gboolean need_newline; |
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165 | |
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166 | const char *pkgname; |
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167 | Package *pkg; |
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168 | |
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169 | poptContext opt_context; |
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170 | |
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171 | struct poptOption options_table[] = { |
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172 | { NULL, 0, POPT_ARG_CALLBACK, popt_callback, 0, NULL, NULL }, |
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173 | { "version", 0, POPT_ARG_NONE, &want_my_version, 0, |
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174 | "output version of pkg-config" }, |
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175 | { "modversion", 0, POPT_ARG_NONE, &want_version, 0, |
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176 | "output version for package" }, |
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177 | { "atleast-pkgconfig-version", 0, POPT_ARG_STRING, &required_pkgconfig_version, 0, |
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178 | "require given version of pkg-config", "VERSION" }, |
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179 | { "libs", 0, POPT_ARG_NONE, &want_libs, 0, |
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180 | "output all linker flags" }, |
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181 | { "libs-only-l", 0, POPT_ARG_NONE, &want_l_libs, 0, |
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182 | "output -l flags" }, |
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183 | { "libs-only-L", 0, POPT_ARG_NONE, &want_L_libs, 0, |
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184 | "output -L flags" }, |
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185 | { "cflags", 0, POPT_ARG_NONE, &want_cflags, 0, |
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186 | "output all pre-processor and compiler flags" }, |
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187 | { "cflags-only-I", 0, POPT_ARG_NONE, &want_I_cflags, 0, |
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188 | "output -I flags" }, |
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189 | { "variable", 0, POPT_ARG_STRING, &variable_name, 0, |
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190 | "get the value of a variable", "VARIABLENAME" }, |
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191 | { "define-variable", 0, POPT_ARG_STRING, NULL, DEFINE_VARIABLE, |
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192 | "set the value of a variable", "VARIABLENAME=VARIABLEVALUE" }, |
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193 | { "exists", 0, POPT_ARG_NONE, &want_exists, 0, |
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194 | "return 0 if the module(s) exist" }, |
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195 | { "uninstalled", 0, POPT_ARG_NONE, &want_uninstalled, 0, |
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196 | "return 0 if the uninstalled version of one or more module(s) or their dependencies will be used" }, |
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197 | { "atleast-version", 0, POPT_ARG_STRING, &required_atleast_version, 0, |
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198 | "return 0 if the module is at least version VERSION", "VERSION" }, |
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199 | { "exact-version", 0, POPT_ARG_STRING, &required_exact_version, 0, |
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200 | "return 0 if the module is at exactly version VERSION", "VERSION" }, |
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201 | { "max-version", 0, POPT_ARG_STRING, &required_max_version, 0, |
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202 | "return 0 if the module is at no newer than version VERSION", "VERSION" }, |
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203 | { "list-all", 0, POPT_ARG_NONE, &want_list, 0, |
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204 | "list all known packages" }, |
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205 | { "debug", 0, POPT_ARG_NONE, &want_debug_spew, 0, |
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206 | "show verbose debug information" }, |
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207 | { "print-errors", 0, POPT_ARG_NONE, &want_verbose_errors, 0, |
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208 | "show verbose information about missing or conflicting packages" }, |
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209 | { "silence-errors", 0, POPT_ARG_NONE, &want_silence_errors, 0, |
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210 | "show verbose information about missing or conflicting packages" }, |
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211 | { "errors-to-stdout", 0, POPT_ARG_NONE, &want_stdout_errors, 0, |
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212 | "print errors from --print-errors to stdout not stderr" }, |
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213 | #ifdef G_OS_WIN32 |
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214 | { "dont-define-prefix", 0, POPT_ARG_NONE, &dont_define_prefix, 0, |
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215 | "don't try to override the value of prefix for each .pc file found with " |
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216 | "a guesstimated value based on the location of the .pc file" }, |
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217 | { "prefix-variable", 0, POPT_ARG_STRING, &prefix_variable, 0, |
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218 | "set the name of the variable that pkg-config automatically sets", "PREFIX" }, |
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219 | { "msvc-syntax", 0, POPT_ARG_NONE, &msvc_syntax, 0, |
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220 | "output -l and -L flags for the Microsoft compiler (cl)" }, |
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221 | #endif |
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222 | POPT_AUTOHELP |
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223 | { NULL, 0, 0, NULL, 0 } |
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224 | }; |
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225 | |
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226 | /* This is here so that we get debug spew from the start, |
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227 | * during arg parsing |
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228 | */ |
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229 | if (getenv ("PKG_CONFIG_DEBUG_SPEW")) |
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230 | { |
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231 | want_debug_spew = TRUE; |
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232 | want_verbose_errors = TRUE; |
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233 | want_silence_errors = FALSE; |
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234 | debug_spew ("PKG_CONFIG_DEBUG_SPEW variable enabling debug spew\n"); |
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235 | } |
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236 | |
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237 | search_path = getenv ("PKG_CONFIG_PATH"); |
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238 | if (search_path) |
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239 | { |
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240 | char **search_dirs; |
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241 | char **iter; |
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242 | |
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243 | search_dirs = g_strsplit (search_path, G_SEARCHPATH_SEPARATOR_S, -1); |
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244 | |
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245 | iter = search_dirs; |
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246 | while (*iter) |
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247 | { |
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248 | debug_spew ("Adding directory '%s' from PKG_CONFIG_PATH\n", |
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249 | *iter); |
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250 | add_search_dir (*iter); |
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251 | |
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252 | ++iter; |
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253 | } |
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254 | |
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255 | g_strfreev (search_dirs); |
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256 | } |
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257 | |
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258 | #ifdef G_OS_WIN32 |
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259 | { |
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260 | /* Add search directories from the Registry */ |
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261 | |
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262 | HKEY roots[] = { HKEY_CURRENT_USER, HKEY_LOCAL_MACHINE }; |
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263 | gchar *root_names[] = { "HKEY_CURRENT_USER", "HKEY_LOCAL_MACHINE" }; |
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264 | HKEY key; |
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265 | int i; |
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266 | gulong max_value_name_len, max_value_len; |
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267 | |
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268 | for (i = 0; i < G_N_ELEMENTS (roots); i++) |
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269 | { |
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270 | key = NULL; |
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271 | if (RegOpenKeyEx (roots[i], "Software\\" PACKAGE "\\PKG_CONFIG_PATH", 0, |
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272 | KEY_QUERY_VALUE, &key) == ERROR_SUCCESS && |
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273 | RegQueryInfoKey (key, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
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274 | &max_value_name_len, &max_value_len, |
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275 | NULL, NULL) == ERROR_SUCCESS) |
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276 | { |
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277 | int index = 0; |
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278 | gchar *value_name = g_malloc (max_value_name_len + 1); |
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279 | gchar *value = g_malloc (max_value_len + 1); |
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280 | |
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281 | while (TRUE) |
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282 | { |
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283 | gulong type; |
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284 | gulong value_name_len = max_value_name_len + 1; |
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285 | gulong value_len = max_value_len + 1; |
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286 | |
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287 | if (RegEnumValue (key, index++, value_name, &value_name_len, |
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288 | NULL, &type, |
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289 | value, &value_len) != ERROR_SUCCESS) |
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290 | break; |
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291 | |
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292 | if (type != REG_SZ) |
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293 | continue; |
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294 | |
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295 | value_name[value_name_len] = '\0'; |
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296 | value[value_len] = '\0'; |
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297 | debug_spew ("Adding directory '%s' from %s\\Software\\" |
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298 | PACKAGE "\\PKG_CONFIG_PATH\\%s\n", |
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299 | value, root_names[i], value_name); |
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300 | add_search_dir (value); |
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301 | } |
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302 | } |
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303 | if (key != NULL) |
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304 | RegCloseKey (key); |
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305 | } |
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306 | } |
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307 | #endif |
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308 | |
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309 | pcbuilddir = getenv ("PKG_CONFIG_TOP_BUILD_DIR"); |
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310 | if (pcbuilddir) |
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311 | { |
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312 | define_global_variable ("pc_top_builddir", pcbuilddir); |
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313 | } |
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314 | else |
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315 | { |
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316 | /* Default appropriate for automake */ |
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317 | define_global_variable ("pc_top_builddir", "$(top_builddir)"); |
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318 | } |
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319 | |
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320 | if (getenv ("PKG_CONFIG_DISABLE_UNINSTALLED")) |
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321 | { |
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322 | debug_spew ("disabling auto-preference for uninstalled packages\n"); |
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323 | disable_uninstalled = TRUE; |
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324 | } |
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325 | |
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326 | opt_context = poptGetContext (NULL, argc, argv, |
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327 | options_table, 0); |
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328 | |
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329 | result = poptGetNextOpt (opt_context); |
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330 | if (result != -1) |
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331 | { |
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332 | fprintf(stderr, "%s: %s\n", |
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333 | poptBadOption(opt_context, POPT_BADOPTION_NOALIAS), |
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334 | poptStrerror(result)); |
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335 | return 1; |
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336 | } |
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337 | |
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338 | |
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339 | /* Error printing is determined as follows: |
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340 | * - for --cflags, --libs, etc. it's on by default |
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341 | * and --silence-errors can turn it off |
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342 | * - for --exists, --max-version, etc. and no options |
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343 | * at all, it's off by default and --print-errors |
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344 | * will turn it on |
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345 | */ |
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346 | |
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347 | if (want_my_version || |
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348 | want_version || |
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349 | want_libs || |
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350 | want_cflags || |
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351 | want_l_libs || |
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352 | want_L_libs || |
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353 | want_I_cflags || |
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354 | want_list) |
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355 | { |
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356 | debug_spew ("Error printing enabled by default due to use of --version, --libs, --cflags, --libs-only-l, --libs-only-L, --cflags-only-I, or --list. Value of --silence-errors: %d\n", want_silence_errors); |
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357 | |
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358 | if (want_silence_errors && getenv ("PKG_CONFIG_DEBUG_SPEW") == NULL) |
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359 | want_verbose_errors = FALSE; |
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360 | else |
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361 | want_verbose_errors = TRUE; |
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362 | } |
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363 | else |
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364 | { |
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365 | debug_spew ("Error printing disabled by default, value of --print-errors: %d\n", |
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366 | want_verbose_errors); |
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367 | |
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368 | /* Leave want_verbose_errors unchanged, reflecting --print-errors */ |
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369 | } |
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370 | |
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371 | if (want_verbose_errors) |
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372 | debug_spew ("Error printing enabled\n"); |
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373 | else |
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374 | debug_spew ("Error printing disabled\n"); |
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375 | |
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376 | if (want_my_version) |
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377 | { |
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378 | printf ("%s\n", VERSION); |
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379 | return 0; |
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380 | } |
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381 | |
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382 | if (required_pkgconfig_version) |
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383 | { |
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384 | if (compare_versions (VERSION, required_pkgconfig_version) >= 0) |
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385 | return 0; |
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386 | else |
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387 | return 1; |
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388 | } |
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389 | |
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390 | package_init (); |
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391 | |
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392 | if (want_list) |
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393 | { |
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394 | print_package_list (); |
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395 | return 0; |
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396 | } |
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397 | |
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398 | str = g_string_new (""); |
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399 | while (1) |
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400 | { |
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401 | pkgname = poptGetArg (opt_context); |
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402 | if (pkgname == NULL) |
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403 | break; |
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404 | |
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405 | g_string_append (str, pkgname); |
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406 | g_string_append (str, " "); |
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407 | } |
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408 | |
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409 | g_strstrip (str->str); |
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410 | |
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411 | { |
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412 | GSList *reqs; |
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413 | GSList *iter; |
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414 | |
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415 | reqs = parse_module_list (NULL, str->str, |
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416 | "(command line arguments)"); |
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417 | |
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418 | iter = reqs; |
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419 | |
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420 | while (iter != NULL) |
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421 | { |
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422 | Package *req; |
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423 | RequiredVersion *ver = iter->data; |
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424 | |
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425 | req = get_package (ver->name); |
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426 | |
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427 | if (req == NULL) |
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428 | { |
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429 | verbose_error ("No package '%s' found\n", ver->name); |
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430 | return 1; |
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431 | } |
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432 | |
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433 | if (!version_test (ver->comparison, req->version, ver->version)) |
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434 | { |
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435 | verbose_error ("Requested '%s %s %s' but version of %s is %s\n", |
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436 | ver->name, |
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437 | comparison_to_str (ver->comparison), |
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438 | ver->version, |
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439 | req->name, |
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440 | req->version); |
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441 | |
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442 | return 1; |
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443 | } |
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444 | |
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445 | packages = g_slist_prepend (packages, req); |
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446 | |
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447 | iter = g_slist_next (iter); |
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448 | } |
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449 | } |
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450 | |
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451 | g_string_free (str, TRUE); |
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452 | |
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453 | packages = g_slist_reverse (packages); |
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454 | |
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455 | if (packages == NULL) |
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456 | { |
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457 | fprintf (stderr, "Must specify package names on the command line\n"); |
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458 | |
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459 | exit (1); |
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460 | } |
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461 | |
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462 | if (want_exists) |
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463 | return 0; /* if we got here, all the packages existed. */ |
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464 | |
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465 | if (want_uninstalled) |
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466 | { |
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467 | /* See if > 0 pkgs (including dependencies recursively) were uninstalled */ |
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468 | GSList *tmp; |
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469 | tmp = packages; |
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470 | while (tmp != NULL) |
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471 | { |
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472 | Package *pkg = tmp->data; |
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473 | |
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474 | if (pkg_uninstalled (pkg)) |
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475 | return 0; |
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476 | |
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477 | tmp = g_slist_next (tmp); |
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478 | } |
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479 | |
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480 | return 1; |
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481 | } |
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482 | |
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483 | if (want_version) |
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484 | { |
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485 | GSList *tmp; |
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486 | tmp = packages; |
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487 | while (tmp != NULL) |
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488 | { |
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489 | Package *pkg = tmp->data; |
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490 | |
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491 | printf ("%s\n", pkg->version); |
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492 | |
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493 | tmp = g_slist_next (tmp); |
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494 | } |
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495 | } |
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496 | |
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497 | if (required_exact_version) |
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498 | { |
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499 | Package *pkg = packages->data; |
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500 | |
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501 | if (compare_versions (pkg->version, required_exact_version) == 0) |
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502 | return 0; |
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503 | else |
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504 | return 1; |
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505 | } |
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506 | else if (required_atleast_version) |
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507 | { |
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508 | Package *pkg = packages->data; |
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509 | |
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510 | if (compare_versions (pkg->version, required_atleast_version) >= 0) |
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511 | return 0; |
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512 | else |
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513 | return 1; |
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514 | } |
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515 | else if (required_max_version) |
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516 | { |
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517 | Package *pkg = packages->data; |
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518 | |
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519 | if (compare_versions (pkg->version, required_max_version) <= 0) |
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520 | return 0; |
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521 | else |
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522 | return 1; |
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523 | } |
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524 | |
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525 | /* Print all flags; then print a newline at the end. */ |
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526 | need_newline = FALSE; |
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527 | |
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528 | if (variable_name) |
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529 | { |
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530 | char *str = packages_get_var (packages, variable_name); |
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531 | printf ("%s", str); |
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532 | g_free (str); |
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533 | need_newline = TRUE; |
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534 | } |
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535 | |
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536 | if (want_I_cflags) |
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537 | { |
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538 | char *str = packages_get_I_cflags (packages); |
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539 | printf ("%s ", str); |
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540 | g_free (str); |
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541 | need_newline = TRUE; |
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542 | } |
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543 | else if (want_cflags) |
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544 | { |
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545 | char *str = packages_get_all_cflags (packages); |
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546 | printf ("%s ", str); |
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547 | g_free (str); |
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548 | need_newline = TRUE; |
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549 | } |
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550 | |
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551 | if (want_l_libs) |
---|
552 | { |
---|
553 | char *str = packages_get_l_libs (packages); |
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554 | printf ("%s ", str); |
---|
555 | g_free (str); |
---|
556 | need_newline = TRUE; |
---|
557 | } |
---|
558 | else if (want_L_libs) |
---|
559 | { |
---|
560 | char *str = packages_get_L_libs (packages); |
---|
561 | printf ("%s ", str); |
---|
562 | g_free (str); |
---|
563 | need_newline = TRUE; |
---|
564 | } |
---|
565 | else if (want_libs) |
---|
566 | { |
---|
567 | char *str = packages_get_all_libs (packages); |
---|
568 | printf ("%s ", str); |
---|
569 | g_free (str); |
---|
570 | need_newline = TRUE; |
---|
571 | } |
---|
572 | |
---|
573 | if (need_newline) |
---|
574 | printf ("\n"); |
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575 | |
---|
576 | return 0; |
---|
577 | } |
---|