2 relocate.cc -- implement relocation based on argv0
4 source file of the GNU LilyPond music typesetter
6 (c) 2005--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
10 #include "relocate.hh"
15 /* TODO: autoconf support */
17 #include <sys/types.h>
24 #include "file-name.hh"
25 #include "file-path.hh"
26 #include "international.hh"
27 #include "lily-guile.hh"
28 #include "lily-version.hh"
33 #define FRAMEWORKDIR ".."
37 sane_putenv (char const *key, string value, bool overwrite)
39 if (overwrite || !getenv (key))
41 string combine = string (key) + "=" + value;
42 char *s = strdup (combine.c_str ());
44 if (be_verbose_global)
45 progress_indication (_f ("Setting %s to %s\n" , key, value.c_str ()));
54 set_env_file (char const *key, string value, bool overwrite = false)
57 return sane_putenv (key, value, overwrite);
58 else if (be_verbose_global)
59 warning (_f ("no such file: %s for %s", value, key));
64 set_env_dir (char const *key, string value)
67 return sane_putenv (key, value, false);
68 else if (be_verbose_global)
69 warning (_f ("no such directory: %s for %s", value, key));
74 prepend_env_path (char const *key, string value)
78 if (be_verbose_global)
79 progress_indication (_f ("%s=%s (prepend)\n", key, value.c_str ()));
81 if (char const *cur = getenv (key))
82 value += to_string (PATHSEP) + cur;
84 return sane_putenv (key, value.c_str (), true);
86 else if (be_verbose_global)
87 warning (_f ("no such directory: %s for %s", value, key));
96 prefix_relocation (string prefix)
98 if (be_verbose_global)
99 warning (_f ("Relocation: compile prefix=%s, new prefix=%s",
103 string bindir = prefix + "/bin";
104 string datadir = prefix + "/share";
105 string localedir = datadir + "/locale";
106 string lilypond_datadir = datadir + "/lilypond/";
108 if (is_dir (lilypond_datadir + "/" + TOPLEVEL_VERSION))
109 prefix_directory = lilypond_datadir + "/" + TOPLEVEL_VERSION;
110 else if (is_dir (lilypond_datadir + "/current"))
111 prefix_directory = lilypond_datadir + "/current";
114 if (is_dir (localedir))
115 bindtextdomain ("lilypond", localedir.c_str ());
118 prepend_env_path ("PATH", bindir);
122 framework_relocation (string prefix)
124 if (be_verbose_global)
125 warning (_f ("Relocation: framework_prefix=%s", prefix));
127 sane_putenv ("INSTALLER_PREFIX", prefix, true);
129 read_relocation_dir (prefix + "/etc/relocate/");
131 string bindir = prefix + "/bin";
133 #ifdef OLD_RELOCATION
134 string datadir = prefix + "/share";
135 string libdir = prefix + "/lib";
136 string sysconfdir = prefix + "/etc";
138 /* need otherwise dynamic .so's aren't found. */
139 prepend_env_path ("DYLD_LIBRARY_PATH", libdir);
141 set_env_file ("FONTCONFIG_FILE", sysconfdir + "/fonts/fonts.conf", true);
142 set_env_dir ("FONTCONFIG_PATH", sysconfdir + "/fonts");
145 char font_dir[PATH_MAX];
146 ExpandEnvironmentStrings ("%windir%/fonts", font_dir, sizeof (font_dir));
147 prepend_env_path ("GS_FONTPATH", font_dir);
151 #ifdef GHOSTSCRIPT_VERSION
154 "ghostscript-version-undefined"
158 if (char const *cur = getenv ("LILYPOND_GS_VERSION"))
161 prepend_env_path ("GS_FONTPATH", datadir + "/ghostscript/" + gs_version + "/fonts");
162 prepend_env_path ("GS_LIB", datadir + "/ghostscript/" + gs_version + "/Resource");
163 prepend_env_path ("GS_LIB", datadir + "/ghostscript/" + gs_version + "/lib");
165 prepend_env_path ("GS_FONTPATH", datadir + "/gs/fonts");
166 prepend_env_path ("GS_LIB", datadir + "/gs/Resource");
167 prepend_env_path ("GS_LIB", datadir + "/gs/lib");
169 prepend_env_path ("GUILE_LOAD_PATH", datadir
170 + to_string ("/guile/%d.%d",
171 SCM_MAJOR_VERSION, SCM_MINOR_VERSION));
172 set_env_file ("PANGO_RC_FILE", sysconfdir + "/pango/pangorc");
173 set_env_dir ("PANGO_PREFIX", prefix);
178 prepend_env_path ("PATH", bindir);
182 setup_paths (char const *argv0_ptr)
184 File_name argv0_filename (argv0_ptr);
186 prefix_directory = LILYPOND_DATADIR;
188 && getenv ("LILYPOND_RELOCATE_PREFIX"))
190 string prefix = getenv ("LILYPOND_RELOCATE_PREFIX");
192 /* Normalize file name. */
193 prefix = File_name (prefix).to_string ();
194 #endif /* __MINGW32__ */
195 prefix_relocation (prefix);
196 string bindir = prefix + "/bin";
197 framework_relocation (bindir);
199 else if (relocate_binary)
202 if (argv0_filename.is_absolute ())
204 argv0_abs = argv0_filename.to_string ();
205 if (be_verbose_global)
206 warning (_f ("Relocation: is absolute: argv0=%s", argv0_ptr));
208 else if (argv0_filename.dir_.length ())
210 argv0_abs = get_working_directory ()
211 + "/" + string (argv0_filename.to_string ());
212 if (be_verbose_global)
213 warning (_f ("Relocation: from cwd: argv0=%s", argv0_ptr));
217 /* Find absolute ARGV0 name, using PATH. */
219 path.parse_path (getenv ("PATH"));
221 if (be_verbose_global)
222 warning (_f ("Relocation: from PATH=%s\nargv0=%s",
223 path.to_string ().c_str (), argv0_ptr));
226 argv0_abs = path.find (argv0_filename.to_string ());
227 #else /* __MINGW32__ */
228 char const *ext[] = {"exe", "", 0 };
229 argv0_abs = path.find (argv0_filename.to_string (), ext);
230 #endif /* __MINGW32__ */
232 if (argv0_abs.empty ())
233 programming_error ("can't find absolute argv0.");
236 string bindir = dir_name (argv0_abs);
237 string argv0_prefix = dir_name (bindir);
238 string compile_prefix = dir_name (dir_name (dir_name (prefix_directory)));
239 if (argv0_prefix != compile_prefix)
240 prefix_relocation (argv0_prefix);
241 if (argv0_prefix != compile_prefix || string (FRAMEWORKDIR) != "..")
242 framework_relocation (bindir + "/" + FRAMEWORKDIR);
245 /* FIXME: use LILYPOND_DATADIR. */
246 if (char const *env = getenv ("LILYPONDPREFIX"))
250 /* Normalize file name. */
251 prefix_directory = File_name (env).to_string ();
253 prefix_directory = env;
257 global_path.append ("");
261 When running from build dir, a full LILYPOND_PREFIX is set-up at
263 $(OUTBASE)/share/lilypond/TOPLEVEL_VERSION
265 This historical hack will allow the shorthand
267 LILYPONDPREFIX=out lily/out/lilypond ...
271 string build_prefix_current = prefix_directory + "/share/lilypond/" "current";
272 string build_prefix_version = prefix_directory + "/share/lilypond/" TOPLEVEL_VERSION;
273 if (is_dir (build_prefix_version.c_str ()))
274 prefix_directory = build_prefix_version;
275 else if (is_dir (build_prefix_current.c_str ()))
276 prefix_directory = build_prefix_current;
278 /* Adding mf/out make lilypond unchanged source directory, when setting
279 LILYPONDPREFIX to lilypond-x.y.z */
280 char const *suffixes[] = {"ly", "ps", "scm", 0 };
283 for (char const **s = suffixes; *s; s++)
285 string path = prefix_directory + to_string ('/') + string (*s);
286 dirs.push_back (path);
289 dirs.push_back (prefix_directory + "/fonts/otf/");
290 dirs.push_back (prefix_directory + "/fonts/type1/");
291 dirs.push_back (prefix_directory + "/fonts/svg/");
293 for (vsize i = 0; i < dirs.size (); i++)
294 global_path.prepend (dirs[i]);
300 expand_environment_variables (string orig)
302 const char *start_ptr = orig.c_str();
303 const char *ptr = orig.c_str();
304 size_t len = orig.length();
307 while (ptr < start_ptr + len)
309 char *dollar = strchr (ptr, '$');
313 char *start_var = dollar + 1;
314 char *end_var = start_var;
315 char *start_next = end_var;
317 out += string (ptr, dollar - ptr);
320 if (*start_var == '{')
324 end_var = strchr (start_var, '}');
328 end_var = start_var + len;
329 start_next = end_var;
333 start_next = end_var + 1;
339 Hmm. what to do for $1 , $~ etc.?
345 while (isalnum (*end_var) || *end_var == '_');
346 start_next = end_var;
349 if (start_var < end_var)
351 string var_name (start_var, end_var - start_var);
352 const char *value = getenv (var_name.c_str());
354 out += string (value);
376 while ((c = fgetc (f)) != EOF && c != '\n')
383 read_relocation_file (string filename)
385 if (be_verbose_global)
386 progress_indication (_f ("Relocation file %s\n", filename.c_str ()));
388 char const *cname = filename.c_str ();
389 FILE *f = fopen (cname, "r");
391 error (_f ("can't open file %s", cname));
395 string line = read_line (f);
396 size_t idx = line.find (' ');
400 string command = line.substr (0, idx);
401 line = line.substr (idx + 1);
405 idx = line.find ('=');
407 string variable = line.substr (0, idx);
408 string value = line.substr (idx + 1);
410 value = expand_environment_variables (value);
412 if (command == "set")
413 sane_putenv (variable.c_str(), value, true);
414 else if (command == "setdir")
415 set_env_dir (variable.c_str(), value);
416 else if (command == "setfile")
417 set_env_file (variable.c_str(), value);
418 else if (command == "prependdir")
419 prepend_env_path (variable.c_str (), value);
421 error ( _f("Unknown relocation command %s", command));
428 read_relocation_dir (string dirname)
430 DIR *dir = opendir (dirname.c_str ());
432 while (struct dirent *ent = readdir (dir))
434 File_name name (ent->d_name);
435 if (name.ext_ == "reloc")
437 read_relocation_file (dirname + "/" + name.to_string ());