int pkg_config(int argc, char **argv, Target &target) {
(void)argc;
std::vector<envvar> envvars;
std::vector<envvar> unset;
envvar evar;
if (!getenv("OSXCROSS_PKG_CONFIG_NO_MP_INC")) {
std::string MacPortsSysRoot;
if (target.getMacPortsSysRootDir(MacPortsSysRoot)) {
concatEnvVariable("OSXCROSS_PKG_CONFIG_SYSROOT_DIR", MacPortsSysRoot);
std::string MacPortsPkgConfigPath;
if (target.getMacPortsPkgConfigDir(MacPortsPkgConfigPath))
concatEnvVariable("OSXCROSS_PKG_CONFIG_PATH", MacPortsPkgConfigPath);
}
} else {
unsetenv("OSXCROSS_PKG_CONFIG_NO_MP_INC");
}
// Map OSXCROSS_PKG_* to PKG_*.
for (char **env = environ; *env; ++env) {
char *p = *env;
if (!strncmp(p, "OSXCROSS_PKG_CONFIG", 19)) {
p += 9; // skip OSXCROSS_
envvars.push_back(var(p, evar));
} else if (!strncmp(p, "PKG_CONFIG", 10)) {
// Unset native pkg-config vars.
unset.push_back(var(p, evar, true));
}
}
if (!envvars.empty()) {
for (const envvar &evar : unset)
unsetenv(evar.name.c_str());
for (const envvar &evar : envvars)
setenv(evar.name.c_str(), evar.value.c_str(), 1);
// Prevent pkg-config from looking for *.pc files
// in pre-defined search paths, such as /usr.
if (!getenv("PKG_CONFIG_LIBDIR"))
setenv("PKG_CONFIG_LIBDIR", "", 1);
if (execvp("pkg-config", argv))
err << "cannot find or execute pkg-config" << err.endl();
}
return 1;
}
int man(int argc, char **argv, Target &target) {
std::string SDKPath;
if (!target.getSDKPath(SDKPath))
return 1;
std::vector<std::string> manpaths;
manpaths.push_back(SDKPath + "/usr/share/man");
manpaths.push_back(std::string(target.execpath) + "/../share/man");
unsetenv("MANPATH");
for (const std::string &manpath : manpaths)
if (dirExists(manpath))
concatEnvVariable("MANPATH", manpath);
if (!getenv("MANPATH")) {
err << "cannot find man pages!" << err.endl();
return 1;
}
std::vector<char *> args;
// All the const violation here doesn't matter,
// the arguments won't be modified
args.push_back(const_cast<char *>("man"));
for (int i = 1; i < argc; ++i) {
char *arg = argv[i];
// Rewrite gcc to <triple>-gcc for compatibility
// with other man pages
constexpr const char *GCCManPages[] = { "gcc", "g++", "cpp", "gcov" };
for (const char *mp : GCCManPages) {
if (!strcmp(mp, arg)) {
std::string *str = new std::string; // Intentionally "leaked"
target.getDefaultTriple(*str);
str->append("-");
str->append(arg);
arg = const_cast<char *>(str->c_str());
break;
}
}
args.push_back(arg);
}
args.push_back(nullptr);
execvp(args[0], args.data());
err << "cannot execute '" << args[0] << "'" << err.endl();
return 1;
}
