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openmpi/ompi/tools/wrappers/wrap.cc
Brian Barrett 4fc6224af2 * allow mpicc to build applications that use internal headers by adding
the right -I flags if we want devel headers

This commit was SVN r6393.
2005-07-08 18:26:01 +00:00

553 строки
12 KiB
C++

//
// Copyright (c) 2004-2005 The Trustees of Indiana University.
// All rights reserved.
// Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
// All rights reserved.
// Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
// University of Stuttgart. All rights reserved.
// Copyright (c) 2004-2005 The Regents of the University of California.
// All rights reserved.
// $COPYRIGHT$
//
// Additional copyrights may follow
//
// $HEADER$
//
#include "ompi_config.h"
#include <iostream>
#include <string>
#include <vector>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
#include "opal/util/path.h"
#include "opal/util/argv.h"
#include "opal/util/few.h"
#include "opal/util/path.h"
#include "opal/util/show_help.h"
#include "tools/wrappers/ompi_wrap.h"
extern char **environ;
using namespace std;
//
// Global variables
//
bool fl_libs(true);
bool fl_profile(false);
bool fl_cpp(false);
bool fl_want_show_error(false);
bool showme_cmd(false);
bool showme_compile(false);
bool showme_link(false);
//
// Local variables
//
static string cmd_name("<unknown>");
void
ompi_wrap_parse_args(int argc, char *argv[], bool & want_flags)
{
string str;
bool have_arg;
cmd_name = argv[0];
// Note: only add all the compiler/linker flags if there is an
// argv[] that doesn not begin with "-" or some form of "-showme" is
// specified.
want_flags = false;
for (int i = 1; i < argc; ++i) {
str = argv[i];
if ("-showme" == str.substr(0, 7) || "--showme" == str.substr(0, 8)
|| "-show" == str || "--show" == str) {
want_flags = true;
fl_want_show_error = true;
if ("-showme:" == str.substr(0, 8)) {
str = str.substr(8);
have_arg = true;
} else if ("--showme:" == str.substr(0, 9)) {
str = str.substr(9);
have_arg = true;
} else {
showme_cmd = true;
have_arg = false;
}
if (have_arg) {
if ("compile" == str) {
showme_compile = true;
} else if ("link" == str) {
showme_link = true;
} else {
showme_cmd = true;
}
}
} else if ("-c" == str) {
fl_libs = false;
} else if ("-E" == str || "-M" == str) {
fl_libs = false;
fl_cpp = true;
} else if ("-S" == str) {
fl_libs = false;
} else if ("-lpmpi" == str) {
fl_profile = true;
} else if ('-' != str[0]) {
want_flags = true;
fl_want_show_error = true;
}
}
#if !OMPI_ENABLE_MPI_PROFILING
// Sanity check
if (fl_profile) {
opal_show_help("help-wrapper.txt", "no-profiling-support", true,
argv[0], NULL);
fl_profile = false;
}
#endif
}
void
ompi_wrap_get_compiler(const ompi_sv_t & env_list,
const string & default_comp, ompi_sv_t & out)
{
char *env;
string comp;
string temp1, temp2;
string::size_type i, pos;
string compiler0;
out.clear();
// Check for environment variable overrides
for (i = 0; i < env_list.size(); ++i) {
env = getenv(env_list[i].c_str());
if (NULL != env) {
comp = env;
ompi_wrap_split(comp, ' ', out);
break;
}
}
// If we didn't find any of the environment variables, use the default
if (out.empty()) {
ompi_wrap_split(default_comp, ' ', out);
}
// If we're preprocessing, we need to know the basename of argv0
// (see below).
if (fl_cpp) {
pos = out[0].find_last_of('/');
if (pos != string::npos) {
// JMS There has to be a better way to do this
compiler0 = out[0].substr(pos + 1);
} else {
compiler0 = out[0];
}
}
// Ugh. If we're acting as the preprocessor, ditch any libtool
// arguments.
if (fl_cpp) {
// If we find "libtool", then advance until we find an argument
// that does not begin with "--"; the arguments after that will be
// the compiler (preprocessor) stuff
if ("libtool" == compiler0) {
i = 1;
while (i < out.size() && "--" == out[i].substr(0, 2)) {
++i;
}
out.erase(out.begin(), out.begin() + i);
}
}
}
void
ompi_wrap_build_xppflags(const ompi_sv_t & env_list,
bool want_f77_includes, ompi_sv_t & xppflags)
{
string incdir(OMPI_INCDIR);
char *env;
string temp;
xppflags.clear();
// Check for environment variable overrides. If we find some, use
// them, regardless of the f77_include setting.
for (string::size_type i = 0; i < env_list.size(); ++i) {
env = getenv(env_list[i].c_str());
if (NULL != env) {
temp = env;
ompi_wrap_split(temp, ' ', xppflags);
return;
}
}
// Ensure that we don't -I/usr/include, for the reasons listed
// above. EXCEPTION: If this is fortran, then we add -I regardless
// of what the prefix is, because the fortran compiler will not
// -I/usr/include automatically.
if (want_f77_includes || "/usr/include" != incdir) {
xppflags.push_back("-I" + incdir);
}
#if OMPI_WANT_DEVEL_HEADERS
xppflags.push_back("-I" + incdir + "/openmpi");
xppflags.push_back("-I" + incdir + "/openmpi/opal");
xppflags.push_back("-I" + incdir + "/openmpi/orte");
#endif
#if OMPI_WANT_CXX_BINDINGS || OMPI_WANT_DEVEL_HEADERS
xppflags.push_back("-I" + incdir + "/openmpi/ompi");
#endif
#if defined(WIN32) && WIN32
#error "Anju needs to fix me. FIX ME FIX ME FIX ME."
#endif
}
void
ompi_wrap_build_xflags(const ompi_sv_t & env_list,
const string & default_xflags, ompi_sv_t & xflags)
{
char *env;
string temp;
// Check for environment variable overrides. If we find some, use
// them, regardless of the f77_include setting.
for (string::size_type i = 0; i < env_list.size(); ++i) {
env = getenv(env_list[i].c_str());
if (NULL != env) {
temp = env;
ompi_wrap_split(temp, ' ', xflags);
return;
}
}
if (!default_xflags.empty()) {
ompi_wrap_split_append_sv(default_xflags, xflags);
}
}
void
ompi_wrap_build_user_args(int argc, char *argv[], ompi_sv_t & user_args)
{
string str;
// Don't copy -showme* or -lpmpi. -lpmpi will be
// insertted elsewhere if necessary.
for (int i = 1; i < argc; ++i) {
str = argv[i];
if ("-showme" != str.substr(0, 7) &&
"--showme" != str.substr(0, 8) &&
"-show" != str && "--show" != str && "-lpmpi" != str) {
user_args.push_back(str);
}
}
}
void
ompi_wrap_build_ldflags(const ompi_sv_t & env_list, ompi_sv_t & ldflags)
{
char *env;
string s;
string temp;
string libdir(OMPI_LIBDIR);
ompi_sv_t sv;
ompi_sv_t::iterator svi;
ldflags.clear();
// If we don't want the libs, then we don't want ldflags, either.
// Hence, return with ldflags empty.
if (!fl_libs) {
return;
}
// Check for environment variable overrides
for (string::size_type i = 0; i < env_list.size(); ++i) {
env = getenv(env_list[i].c_str());
if (NULL != env) {
temp = env;
ompi_wrap_split(temp, ' ', ldflags);
return;
}
}
// Add in the extra flags passed by configure. Do the same kinds of
// checks that we do below -- ensure that we don't add a "-L/usr" to
// the command line.
s = WRAPPER_EXTRA_LDFLAGS;
ompi_wrap_split(s, ' ', sv);
if (!sv.empty()) {
for (svi = sv.begin(); svi != sv.end(); ++svi) {
if ("-L/usr" != *svi) {
ompi_wrap_split_append_sv(*svi, ldflags);
}
}
}
// Form library directory pathname.
//
// Add "-L$prefix/lib".
//
// Apply similar logic here as we did with -I -- if the libdir is
// /usr/lib, there's no need to explicitly add it, because the
// compiler will already be looking there.
if ("/usr/lib" != libdir) {
ldflags.push_back("-L" + libdir);
}
}
void
ompi_wrap_build_libs(const ompi_sv_t & env_list,
bool want_cxx_libs, bool want_f90_libs, ompi_sv_t & libs)
{
char *env;
string temp;
string libdir(OMPI_LIBDIR);
libs.clear();
// If we don't want the libs, then return with libs empty
if (!fl_libs) {
return;
}
// Check for environment variable overrides
for (string::size_type i = 0; i < env_list.size(); ++i) {
env = getenv(env_list[i].c_str());
if (NULL != env) {
temp = env;
ompi_wrap_split(temp, ' ', libs);
return;
}
}
// Now we start adding libraries to libs
#if OMPI_WANT_CXX_BINDINGS
// The C++ bindings come next
if (want_cxx_libs) {
if (
#ifdef WIN32
!ompi_wrap_check_file(libdir, "libmpi_cxx.dll") &&
#endif
!ompi_wrap_check_file(libdir, "libmpi_cxx.a") &&
!ompi_wrap_check_file(libdir, "libmpi_cxx.so") &&
!ompi_wrap_check_file(libdir, "libmpi_cxx.dylib")) {
cerr << "WARNING: " << cmd_name
<< " expected to find libmpi_cxx.* in " << libdir << endl
<< "WARNING: MPI C++ support will be disabled" << endl;
} else {
libs.push_back("-lmpi_cxx");
}
}
#endif
#if OMPI_WANT_F90_BINDINGS
// The F90 bindings come next
if (want_f90_libs) {
if (
#ifdef WIN32
!ompi_wrap_check_file(libdir, "libmpi_f90.dll") &&
#endif
!ompi_wrap_check_file(libdir, "libmpi_f90.a") &&
!ompi_wrap_check_file(libdir, "libmpi_f90.so") &&
!ompi_wrap_check_file(libdir, "libmpi_f90.dylib")) {
cerr << "WARNING: " << cmd_name
<< " expected to find libmpi_f90.* in " << libdir << endl
<< "WARNING: MPI F90 support will be disabled" << endl;
} else {
libs.push_back("-lmpi_f90");
}
}
#endif
// Next comes the MPI library
libs.push_back("-lmpi");
libs.push_back("-lorte");
libs.push_back("-lopal");
ompi_wrap_split_append_sv(WRAPPER_EXTRA_LIBS, libs);
}
void
ompi_wrap_print_sv(const ompi_sv_t & sv)
{
for (string::size_type i = 0; i < sv.size(); ++i) {
cout << sv[i] << " ";
}
}
int
ompi_wrap_exec_sv(const ompi_sv_t & sv)
{
int status;
int ret;
int ac = 0;
char **av = 0;
char *tmp = NULL;
string::size_type i;
// Build up a C array of the args
for (i = 0; i < sv.size(); ++i) {
opal_argv_append(&ac, &av, (char *) sv[i].c_str());
}
// There is no way to tell whether opal_few returned non-zero because
// the called app returned non-zero or if there was a failure in the
// exec (like the file not being found). So we look for the
// compiler first, just to try to eliminate that case.
tmp = opal_path_findv(av[0], 0, environ, NULL);
if (NULL == tmp) {
opal_show_help("help-wrapper.txt", "no-compiler-found", true,
av[0], NULL);
errno = 0;
status = -1;
} else {
free(tmp);
ret = opal_few(av, &status);
status = WIFEXITED(status) ? WEXITSTATUS(status) :
(WIFSIGNALED(status) ? WTERMSIG(status) :
(WIFSTOPPED(status) ? WSTOPSIG(status) : 255));
if (0 != ret && 0 != errno && fl_want_show_error) {
perror(cmd_name.c_str());
}
}
// Free the C array
opal_argv_free(av);
return status;
}
void
ompi_wrap_strip_white(string & str)
{
int start, end, size(str.size());
/* Remove leading whitespace */
for (start = 0; start < size; ++start) {
if (!isspace(str[start])) {
break;
}
}
/* Remove trailing whitespace */
for (end = start; end < size; ++end) {
if (isspace(str[end])) {
break;
}
}
str = str.substr(start, end);
}
bool
ompi_wrap_split(const string & str, char c, ompi_sv_t & out)
{
int start, i(0), size(str.size());
out.clear();
// Strip off the first bunch of c's
while (i < size && str[i] == c) {
++i;
}
if (i >= size) {
return false;
}
// Now start making a vector of the strings
while (i < size) {
start = i;
while (i < size && str[i] != c) {
++i;
}
out.push_back(str.substr(start, i - start));
while (i < size && str[i] == c) {
++i;
}
}
return true;
}
void
ompi_wrap_split_append_sv(const string & str, ompi_sv_t & out)
{
ompi_sv_t temp;
ompi_wrap_split(str, ' ', temp);
for (string::size_type i = 0; i < temp.size(); ++i) {
out.push_back(temp[i]);
}
}
void
ompi_wrap_append_sv(const ompi_sv_t & in, ompi_sv_t & out)
{
// JMS Is there a better way to do this?
for (string::size_type i = 0; i < in.size(); ++i) {
out.push_back(in[i]);
}
}
bool
ompi_wrap_check_file(const string & dir, const string & file)
{
int ret;
struct stat buf;
string name = dir + "/" + file;
ret = stat(name.c_str(), &buf);
return (bool) (0 == ret);
}