int
main(int argc, char *argv[])
{
int exit_status = 0, ret, flags = 0, i;
int exec_argc = 0, user_argc = 0;
char **exec_argv = NULL, **user_argv = NULL;
char *exec_command, *base_argv0 = NULL;
bool disable_flags = true;
bool real_flag = false;
if (OPAL_SUCCESS != (ret = opal_init_util())) {
return ret;
}
/****************************************************
*
* Setup compiler information
*
****************************************************/
base_argv0 = opal_basename(argv[0]);
#if defined(EXEEXT)
if( 0 != strlen(EXEEXT) ) {
char extension[] = EXEEXT;
char* temp = strstr( base_argv0, extension );
char* old_match = temp;
while( NULL != temp ) {
old_match = temp;
temp = strstr( temp + 1, extension );
}
/* Only if there was a match of .exe, erase the last occurence of .exe */
if ( NULL != old_match ) {
*old_match = '\0';
}
}
#endif /* defined(EXEEXT) */
if (OPAL_SUCCESS != (ret = data_init(base_argv0))) {
fprintf(stderr, "Error parsing data file %s: %s\n", base_argv0, opal_strerror(ret));
return ret;
}
for (i = 1 ; i < argc && user_data_idx < 0 ; ++i) {
user_data_idx = find_options_index(argv[i]);
}
/* if we didn't find a match, look for the NULL (base case) options */
if (user_data_idx < 0) {
user_data_idx = default_data_idx;
}
/* if we still didn't find a match, abort */
if (user_data_idx < 0) {
char *flat = opal_argv_join(argv, ' ');
opal_show_help("help-opal-wrapper.txt", "no-options-support", true,
base_argv0, flat, NULL);
free(flat);
exit(1);
}
/* compiler */
load_env_data(options_data[user_data_idx].project_short, options_data[user_data_idx].compiler_env, &options_data[user_data_idx].compiler);
/* preprocessor flags */
load_env_data_argv(options_data[user_data_idx].project_short, "CPPFLAGS", &options_data[user_data_idx].preproc_flags);
/* compiler flags */
load_env_data_argv(options_data[user_data_idx].project_short, options_data[user_data_idx].compiler_flags_env,
&options_data[user_data_idx].comp_flags);
/* linker flags */
load_env_data_argv(options_data[user_data_idx].project_short, "LDFLAGS", &options_data[user_data_idx].link_flags);
/* libs */
load_env_data_argv(options_data[user_data_idx].project_short, "LIBS", &options_data[user_data_idx].libs);
/****************************************************
*
* Sanity Checks
*
****************************************************/
if (NULL != options_data[user_data_idx].req_file) {
/* make sure the language is supported */
if (0 == strcmp(options_data[user_data_idx].req_file, "not supported")) {
opal_show_help("help-opal-wrapper.txt", "no-language-support", true,
options_data[user_data_idx].language, base_argv0, NULL);
exit_status = 1;
goto cleanup;
}
if (options_data[user_data_idx].req_file[0] != '\0') {
char *filename;
struct stat buf;
filename = opal_os_path( false, options_data[user_data_idx].path_libdir, options_data[user_data_idx].req_file, NULL );
if (0 != stat(filename, &buf)) {
opal_show_help("help-opal-wrapper.txt", "file-not-found", true,
base_argv0, options_data[user_data_idx].req_file, options_data[user_data_idx].language, NULL);
}
}
}
/****************************************************
*
* Parse user flags
*
****************************************************/
flags = COMP_WANT_COMMAND|COMP_WANT_PREPROC|
COMP_WANT_COMPILE|COMP_WANT_LINK;
user_argv = opal_argv_copy(argv + 1);
user_argc = opal_argv_count(user_argv);
for (i = 0 ; i < user_argc ; ++i) {
if (0 == strncmp(user_argv[i], "-showme", strlen("-showme")) ||
0 == strncmp(user_argv[i], "--showme", strlen("--showme")) ||
0 == strncmp(user_argv[i], "-show", strlen("-show")) ||
0 == strncmp(user_argv[i], "--show", strlen("--show"))) {
bool done_now = false;
/* check for specific things we want to see. First three
still invoke all the building routines. Last set want
to parse out certain flags, so we don't go through the
normal build routine - skip to cleanup. */
if (0 == strncmp(user_argv[i], "-showme:command", strlen("-showme:command")) ||
0 == strncmp(user_argv[i], "--showme:command", strlen("--showme:command"))) {
flags = COMP_WANT_COMMAND;
/* we know what we want, so don't process any more args */
done_now = true;
} else if (0 == strncmp(user_argv[i], "-showme:compile", strlen("-showme:compile")) ||
0 == strncmp(user_argv[i], "--showme:compile", strlen("--showme:compile"))) {
flags = COMP_WANT_PREPROC|COMP_WANT_COMPILE;
/* we know what we want, so don't process any more args */
done_now = true;
} else if (0 == strncmp(user_argv[i], "-showme:link", strlen("-showme:link")) ||
0 == strncmp(user_argv[i], "--showme:link", strlen("--showme:link"))) {
flags = COMP_WANT_COMPILE|COMP_WANT_LINK;
/* we know what we want, so don't process any more args */
done_now = true;
} else if (0 == strncmp(user_argv[i], "-showme:incdirs", strlen("-showme:incdirs")) ||
0 == strncmp(user_argv[i], "--showme:incdirs", strlen("--showme:incdirs"))) {
print_flags(options_data[user_data_idx].preproc_flags, OPAL_INCLUDE_FLAG);
goto cleanup;
} else if (0 == strncmp(user_argv[i], "-showme:libdirs", strlen("-showme:libdirs")) ||
0 == strncmp(user_argv[i], "--showme:libdirs", strlen("--showme:libdirs"))) {
print_flags(options_data[user_data_idx].link_flags, OPAL_LIBDIR_FLAG);
goto cleanup;
} else if (0 == strncmp(user_argv[i], "-showme:libs", strlen("-showme:libs")) ||
0 == strncmp(user_argv[i], "--showme:libs", strlen("--showme:libs"))) {
print_flags(options_data[user_data_idx].libs, "-l");
goto cleanup;
} else if (0 == strncmp(user_argv[i], "-showme:version", strlen("-showme:version")) ||
0 == strncmp(user_argv[i], "--showme:version", strlen("--showme:version"))) {
opal_show_help("help-opal-wrapper.txt", "version", false,
argv[0], options_data[user_data_idx].project, options_data[user_data_idx].version, options_data[user_data_idx].language, NULL);
goto cleanup;
} else if (0 == strncmp(user_argv[i], "-showme:", strlen("-showme:")) ||
0 == strncmp(user_argv[i], "--showme:", strlen("--showme:"))) {
opal_show_help("help-opal-wrapper.txt", "usage", true,
argv[0], options_data[user_data_idx].project, NULL);
goto cleanup;
}
flags |= (COMP_DRY_RUN|COMP_SHOW_ERROR);
/* remove element from user_argv */
opal_argv_delete(&user_argc, &user_argv, i, 1);
--i;
if (done_now) {
disable_flags = false;
break;
}
} else if (0 == strcmp(user_argv[i], "-c")) {
flags &= ~COMP_WANT_LINK;
real_flag = true;
} else if (0 == strcmp(user_argv[i], "-E") ||
0 == strcmp(user_argv[i], "-M")) {
flags &= ~(COMP_WANT_COMPILE | COMP_WANT_LINK);
real_flag = true;
} else if (0 == strcmp(user_argv[i], "-S")) {
flags &= ~COMP_WANT_LINK;
real_flag = true;
} else if (0 == strcmp(user_argv[i], "-lpmpi")) {
flags |= COMP_WANT_PMPI;
/* remove element from user_argv */
opal_argv_delete(&user_argc, &user_argv, i, 1);
--i;
} else if ('-' != user_argv[i][0]) {
disable_flags = false;
flags |= COMP_SHOW_ERROR;
real_flag = true;
} else {
/* if the option flag is one that we use to determine
which set of compiler data to use, don't count it as a
real option */
if (find_options_index(user_argv[i]) < 0) {
real_flag = true;
}
}
}
/* clear out the want_flags if we got no arguments not starting
with a - (dash) and -showme wasn't given OR -showme was given
and we had at least one more non-showme argument that started
with a - (dash) and no other non-dash arguments. Some examples:
opal_wrapper : clear our flags
opal_wrapper -v : clear our flags
opal_wrapper -E a.c : don't clear our flags
opal_wrapper a.c : don't clear our flags
opal_wrapper -showme : don't clear our flags
opal_wrapper -showme -v : clear our flags
opal_wrapper -showme -E a.c : don't clear our flags
opal_wrapper -showme a.c : don't clear our flags
*/
if (disable_flags && !((flags & COMP_DRY_RUN) && !real_flag)) {
flags &= ~(COMP_WANT_PREPROC|COMP_WANT_COMPILE|COMP_WANT_LINK);
}
#if !OMPI_ENABLE_MPI_PROFILING
/* sanity check */
if (flags & COMP_WANT_PMPI) {
opal_show_help("help-opal-wrapper.txt", "no-profiling-support", true,
argv[0], NULL);
}
#endif
/****************************************************
*
* Assemble the command line
*
****************************************************/
/* compiler (may be multiple arguments, so split) */
if (flags & COMP_WANT_COMMAND) {
exec_argv = opal_argv_split(options_data[user_data_idx].compiler, ' ');
exec_argc = opal_argv_count(exec_argv);
} else {
exec_argv = (char **) malloc(sizeof(char*));
exec_argv[0] = NULL;
exec_argc = 0;
}
/* Per https://svn.open-mpi.org/trac/ompi/ticket/2201, add all the
user arguments before anything else. */
opal_argv_insert(&exec_argv, exec_argc, user_argv);
exec_argc = opal_argv_count(exec_argv);
/* preproc flags */
if (flags & COMP_WANT_PREPROC) {
opal_argv_insert(&exec_argv, exec_argc, options_data[user_data_idx].preproc_flags);
exec_argc = opal_argv_count(exec_argv);
}
/* compiler flags */
if (flags & COMP_WANT_COMPILE) {
opal_argv_insert(&exec_argv, exec_argc, options_data[user_data_idx].comp_flags);
/* Deal with languages like Fortran 90 that have special
places and flags for modules or whatever */
if (options_data[user_data_idx].module_option != NULL) {
char *line;
asprintf(&line, "%s%s", options_data[user_data_idx].module_option, options_data[user_data_idx].path_libdir);
opal_argv_append_nosize(&exec_argv, line);
free(line);
}
exec_argc = opal_argv_count(exec_argv);
}
/* link flags and libs */
if (flags & COMP_WANT_LINK) {
opal_argv_insert(&exec_argv, exec_argc, options_data[user_data_idx].link_flags);
exec_argc = opal_argv_count(exec_argv);
opal_argv_insert(&exec_argv, exec_argc, options_data[user_data_idx].libs);
exec_argc = opal_argv_count(exec_argv);
}
/****************************************************
*
* Execute the command
*
****************************************************/
if (flags & COMP_DRY_RUN) {
exec_command = opal_argv_join(exec_argv, ' ');
printf("%s\n", exec_command);
} else {
char *tmp;
#if 0
exec_command = opal_argv_join(exec_argv, ' ');
printf("command: %s\n", exec_command);
#endif
tmp = opal_path_findv(exec_argv[0], 0, environ, NULL);
if (NULL == tmp) {
opal_show_help("help-opal-wrapper.txt", "no-compiler-found", true,
exec_argv[0], NULL);
errno = 0;
exit_status = 1;
} else {
int status;
free(exec_argv[0]);
exec_argv[0] = tmp;
ret = opal_few(exec_argv, &status);
exit_status = WIFEXITED(status) ? WEXITSTATUS(status) :
(WIFSIGNALED(status) ? WTERMSIG(status) :
(WIFSTOPPED(status) ? WSTOPSIG(status) : 255));
if( (OPAL_SUCCESS != ret) || ((0 != exit_status) && (flags & COMP_SHOW_ERROR)) ) {
char* exec_command = opal_argv_join(exec_argv, ' ');
if( OPAL_SUCCESS != ret ) {
opal_show_help("help-opal-wrapper.txt", "spawn-failed", true,
exec_argv[0], strerror(status), exec_command, NULL);
} else {
#if 0
opal_show_help("help-opal-wrapper.txt", "compiler-failed", true,
exec_argv[0], exit_status, exec_command, NULL);
#endif
}
free(exec_command);
}
}
}
/****************************************************
*
* Cleanup
*
****************************************************/
cleanup:
opal_argv_free(exec_argv);
opal_argv_free(user_argv);
if (NULL != base_argv0) free(base_argv0);
if (OPAL_SUCCESS != (ret = data_finalize())) {
return ret;
}
if (OPAL_SUCCESS != (ret = opal_finalize_util())) {
return ret;
}
return exit_status;
}
int
main(int argc, char *argv[])
{
int exit_status = 0, ret, flags = 0, i;
int exec_argc = 0, user_argc = 0;
char **exec_argv = NULL, **user_argv = NULL;
char *exec_command, *base_argv0 = NULL;
bool disable_flags = true;
bool real_flag = false;
if (OPAL_SUCCESS != (ret = opal_init_util(&argc, &argv))) {
return ret;
}
/****************************************************
*
* Setup compiler information
*
****************************************************/
base_argv0 = opal_basename(argv[0]);
#if defined(EXEEXT)
if( 0 != strlen(EXEEXT) ) {
char extension[] = EXEEXT;
char* temp = strstr( base_argv0, extension );
char* old_match = temp;
while( NULL != temp ) {
old_match = temp;
temp = strstr( temp + 1, extension );
}
/* Only if there was a match of .exe, erase the last occurence of .exe */
if ( NULL != old_match ) {
*old_match = '\0';
}
}
#endif /* defined(EXEEXT) */
if (OPAL_SUCCESS != (ret = data_init(base_argv0))) {
fprintf(stderr, "Error parsing data file %s: %s\n", base_argv0, opal_strerror(ret));
return ret;
}
for (i = 1 ; i < argc && user_data_idx < 0 ; ++i) {
user_data_idx = find_options_index(argv[i]);
}
/* if we didn't find a match, look for the NULL (base case) options */
if (user_data_idx < 0) {
user_data_idx = default_data_idx;
}
/* if we still didn't find a match, abort */
if (user_data_idx < 0) {
char *flat = opal_argv_join(argv, ' ');
opal_show_help("help-opal-wrapper.txt", "no-options-support", true,
base_argv0, flat, NULL);
free(flat);
exit(1);
}
/* compiler */
load_env_data(options_data[user_data_idx].project_short, options_data[user_data_idx].compiler_env, &options_data[user_data_idx].compiler);
/* preprocessor flags */
load_env_data_argv(options_data[user_data_idx].project_short, "CPPFLAGS", &options_data[user_data_idx].preproc_flags);
/* compiler flags */
load_env_data_argv(options_data[user_data_idx].project_short, options_data[user_data_idx].compiler_flags_env,
&options_data[user_data_idx].comp_flags);
/* linker flags */
load_env_data_argv(options_data[user_data_idx].project_short, "LDFLAGS", &options_data[user_data_idx].link_flags);
/* libs */
load_env_data_argv(options_data[user_data_idx].project_short, "LIBS", &options_data[user_data_idx].libs);
/****************************************************
*
* Sanity Checks
*
****************************************************/
if (NULL != options_data[user_data_idx].req_file) {
/* make sure the language is supported */
if (0 == strcmp(options_data[user_data_idx].req_file, "not supported")) {
opal_show_help("help-opal-wrapper.txt", "no-language-support", true,
options_data[user_data_idx].language, base_argv0, NULL);
exit_status = 1;
goto cleanup;
}
if (options_data[user_data_idx].req_file[0] != '\0') {
char *filename;
struct stat buf;
filename = opal_os_path( false, options_data[user_data_idx].path_libdir, options_data[user_data_idx].req_file, NULL );
if (0 != stat(filename, &buf)) {
opal_show_help("help-opal-wrapper.txt", "file-not-found", true,
base_argv0, options_data[user_data_idx].req_file, options_data[user_data_idx].language, NULL);
}
}
}
/****************************************************
*
* Parse user flags
*
****************************************************/
flags = COMP_WANT_COMMAND|COMP_WANT_PREPROC|
COMP_WANT_COMPILE|COMP_WANT_LINK;
user_argv = opal_argv_copy(argv + 1);
user_argc = opal_argv_count(user_argv);
for (i = 0 ; i < user_argc ; ++i) {
if (0 == strncmp(user_argv[i], "-showme", strlen("-showme")) ||
0 == strncmp(user_argv[i], "--showme", strlen("--showme")) ||
0 == strncmp(user_argv[i], "-show", strlen("-show")) ||
0 == strncmp(user_argv[i], "--show", strlen("--show"))) {
bool done_now = false;
/* check for specific things we want to see. First three
still invoke all the building routines. Last set want
to parse out certain flags, so we don't go through the
normal build routine - skip to cleanup. */
if (0 == strncmp(user_argv[i], "-showme:command", strlen("-showme:command")) ||
0 == strncmp(user_argv[i], "--showme:command", strlen("--showme:command"))) {
flags = COMP_WANT_COMMAND;
/* we know what we want, so don't process any more args */
done_now = true;
} else if (0 == strncmp(user_argv[i], "-showme:compile", strlen("-showme:compile")) ||
0 == strncmp(user_argv[i], "--showme:compile", strlen("--showme:compile"))) {
flags = COMP_WANT_PREPROC|COMP_WANT_COMPILE;
/* we know what we want, so don't process any more args */
done_now = true;
} else if (0 == strncmp(user_argv[i], "-showme:link", strlen("-showme:link")) ||
0 == strncmp(user_argv[i], "--showme:link", strlen("--showme:link"))) {
flags = COMP_WANT_COMPILE|COMP_WANT_LINK;
/* we know what we want, so don't process any more args */
done_now = true;
} else if (0 == strncmp(user_argv[i], "-showme:incdirs", strlen("-showme:incdirs")) ||
0 == strncmp(user_argv[i], "--showme:incdirs", strlen("--showme:incdirs"))) {
print_flags(options_data[user_data_idx].preproc_flags, OPAL_INCLUDE_FLAG);
goto cleanup;
} else if (0 == strncmp(user_argv[i], "-showme:libdirs", strlen("-showme:libdirs")) ||
0 == strncmp(user_argv[i], "--showme:libdirs", strlen("--showme:libdirs"))) {
print_flags(options_data[user_data_idx].link_flags, OPAL_LIBDIR_FLAG);
goto cleanup;
} else if (0 == strncmp(user_argv[i], "-showme:libs", strlen("-showme:libs")) ||
0 == strncmp(user_argv[i], "--showme:libs", strlen("--showme:libs"))) {
print_flags(options_data[user_data_idx].libs, "-l");
goto cleanup;
} else if (0 == strncmp(user_argv[i], "-showme:version", strlen("-showme:version")) ||
0 == strncmp(user_argv[i], "--showme:version", strlen("--showme:version"))) {
char * str;
str = opal_show_help_string("help-opal-wrapper.txt",
"version", false,
argv[0], options_data[user_data_idx].project, options_data[user_data_idx].version, options_data[user_data_idx].language, NULL);
if (NULL != str) {
printf("%s", str);
free(str);
}
goto cleanup;
} else if (0 == strncmp(user_argv[i], "-showme:help", strlen("-showme:help")) ||
0 == strncmp(user_argv[i], "--showme:help", strlen("--showme:help"))) {
char *str;
str = opal_show_help_string("help-opal-wrapper.txt", "usage",
false, argv[0],
options_data[user_data_idx].project,
NULL);
if (NULL != str) {
printf("%s", str);
free(str);
}
exit_status = 0;
goto cleanup;
} else if (0 == strncmp(user_argv[i], "-showme:", strlen("-showme:")) ||
0 == strncmp(user_argv[i], "--showme:", strlen("--showme:"))) {
fprintf(stderr, "%s: unrecognized option: %s\n", argv[0],
user_argv[i]);
fprintf(stderr, "Type '%s --showme:help' for usage.\n",
argv[0]);
exit_status = 1;
goto cleanup;
}
flags |= (COMP_DRY_RUN|COMP_SHOW_ERROR);
/* remove element from user_argv */
opal_argv_delete(&user_argc, &user_argv, i, 1);
--i;
if (done_now) {
disable_flags = false;
break;
}
} else if (0 == strcmp(user_argv[i], "-c")) {
flags &= ~COMP_WANT_LINK;
real_flag = true;
} else if (0 == strcmp(user_argv[i], "-E") ||
0 == strcmp(user_argv[i], "-M")) {
flags &= ~(COMP_WANT_COMPILE | COMP_WANT_LINK);
real_flag = true;
} else if (0 == strcmp(user_argv[i], "-S")) {
flags &= ~COMP_WANT_LINK;
real_flag = true;
} else if (0 == strcmp(user_argv[i], "-lpmpi")) {
flags |= COMP_WANT_PMPI;
/* remove element from user_argv */
opal_argv_delete(&user_argc, &user_argv, i, 1);
--i;
} else if (0 == strcmp(user_argv[i], "-static") ||
0 == strcmp(user_argv[i], "--static") ||
0 == strcmp(user_argv[i], "-Bstatic") ||
0 == strcmp(user_argv[i], "-Wl,-static") ||
0 == strcmp(user_argv[i], "-Wl,--static") ||
0 == strcmp(user_argv[i], "-Wl,-Bstatic")) {
flags |= COMP_WANT_STATIC;
} else if (0 == strcmp(user_argv[i], "-dynamic") ||
0 == strcmp(user_argv[i], "--dynamic") ||
0 == strcmp(user_argv[i], "-Bdynamic") ||
0 == strcmp(user_argv[i], "-Wl,-dynamic") ||
0 == strcmp(user_argv[i], "-Wl,--dynamic") ||
0 == strcmp(user_argv[i], "-Wl,-Bdynamic")) {
flags &= ~COMP_WANT_STATIC;
} else if (0 == strcmp(user_argv[i], "--openmpi:linkall")) {
/* This is an intentionally undocummented wrapper compiler
switch. It should only be used by Open MPI developers
-- not end users. It will cause mpicc to use the
static library list, even if we're compiling
dynamically (i.e., it'll specifically -lopen-rte and
-lopen-pal (and all their dependent libs)). We provide
this flag for test MPI applications that also invoke
ORTE and/or OPAL function calls.
On some systems (e.g., OS X), if the top-level
application calls ORTE/OPAL functions and you don't -l
ORTE and OPAL, then the functions won't be resolved at
link time (i.e., the implicit library dependencies of
libmpi won't be pulled in at link time), and therefore
the link will fail. This flag will cause the wrapper
to explicitly list the ORTE and OPAL libs on the
underlying compiler command line, so the application
will therefore link properly. */
flags |= COMP_WANT_LINKALL;
/* remove element from user_argv */
opal_argv_delete(&user_argc, &user_argv, i, 1);
} else if ('-' != user_argv[i][0]) {
disable_flags = false;
flags |= COMP_SHOW_ERROR;
real_flag = true;
} else {
/* if the option flag is one that we use to determine
which set of compiler data to use, don't count it as a
real option */
if (find_options_index(user_argv[i]) < 0) {
real_flag = true;
}
}
}
/* clear out the want_flags if we got no arguments not starting
with a - (dash) and -showme wasn't given OR -showme was given
and we had at least one more non-showme argument that started
with a - (dash) and no other non-dash arguments. Some examples:
opal_wrapper : clear our flags
opal_wrapper -v : clear our flags
opal_wrapper -E a.c : don't clear our flags
opal_wrapper a.c : don't clear our flags
opal_wrapper -showme : don't clear our flags
opal_wrapper -showme -v : clear our flags
opal_wrapper -showme -E a.c : don't clear our flags
opal_wrapper -showme a.c : don't clear our flags
*/
if (disable_flags && !((flags & COMP_DRY_RUN) && !real_flag)) {
flags &= ~(COMP_WANT_PREPROC|COMP_WANT_COMPILE|COMP_WANT_LINK);
}
/****************************************************
*
* Assemble the command line
*
****************************************************/
/* compiler (may be multiple arguments, so split) */
if (flags & COMP_WANT_COMMAND) {
exec_argv = opal_argv_split(options_data[user_data_idx].compiler, ' ');
exec_argc = opal_argv_count(exec_argv);
} else {
exec_argv = (char **) malloc(sizeof(char*));
exec_argv[0] = NULL;
exec_argc = 0;
}
/* This error would normally not happen unless the user edits the
wrapper data files manually */
if (NULL == exec_argv) {
opal_show_help("help-opal-wrapper.txt", "no-compiler-specified", true);
return 1;
}
if (flags & COMP_WANT_COMPILE) {
opal_argv_insert(&exec_argv, exec_argc,
options_data[user_data_idx].comp_flags_prefix);
exec_argc = opal_argv_count(exec_argv);
}
/* Per https://svn.open-mpi.org/trac/ompi/ticket/2201, add all the
user arguments before anything else. */
opal_argv_insert(&exec_argv, exec_argc, user_argv);
exec_argc = opal_argv_count(exec_argv);
/* preproc flags */
if (flags & COMP_WANT_PREPROC) {
opal_argv_insert(&exec_argv, exec_argc, options_data[user_data_idx].preproc_flags);
exec_argc = opal_argv_count(exec_argv);
}
/* compiler flags */
if (flags & COMP_WANT_COMPILE) {
opal_argv_insert(&exec_argv, exec_argc, options_data[user_data_idx].comp_flags);
exec_argc = opal_argv_count(exec_argv);
}
/* link flags and libs */
if (flags & COMP_WANT_LINK) {
bool have_static_lib;
bool have_dyn_lib;
bool use_static_libs;
char *filename1, *filename2;
struct stat buf;
opal_argv_insert(&exec_argv, exec_argc, options_data[user_data_idx].link_flags);
exec_argc = opal_argv_count(exec_argv);
/* Are we linking statically? If so, decide what libraries to
list. It depends on two factors:
1. Was --static (etc.) specified?
2. Does OMPI have static, dynamic, or both libraries installed?
Here's a matrix showing what we'll do in all 6 cases:
What's installed --static no --static
---------------- ---------- -----------
ompi .so libs -lmpi -lmpi
ompi .a libs all all
ompi both libs all -lmpi
*/
filename1 = opal_os_path( false, options_data[user_data_idx].path_libdir, options_data[user_data_idx].static_lib_file, NULL );
if (0 == stat(filename1, &buf)) {
have_static_lib = true;
} else {
have_static_lib = false;
}
filename2 = opal_os_path( false, options_data[user_data_idx].path_libdir, options_data[user_data_idx].dyn_lib_file, NULL );
if (0 == stat(filename2, &buf)) {
have_dyn_lib = true;
} else {
have_dyn_lib = false;
}
/* Determine which set of libs to use: dynamic or static. Be
pedantic to make the code easy to read. */
if (flags & COMP_WANT_LINKALL) {
/* If --openmpi:linkall was specified, list all the libs
(i.e., the static libs) if they're available, either in
static or dynamic form. */
if (have_static_lib || have_dyn_lib) {
use_static_libs = true;
} else {
fprintf(stderr, "The linkall option has failed as we were unable to find either static or dynamic libs\n"
"Files looked for:\n Static: %s\n Dynamic: %s\n",
filename1, filename2);
free(filename1);
free(filename2);
exit(1);
}
} else if (flags & COMP_WANT_STATIC) {
/* If --static (or something like it) was specified, if we
have the static libs, then use them. Otherwise, use
the dynamic libs. */
if (have_static_lib) {
use_static_libs = true;
} else {
use_static_libs = false;
}
} else {
/* If --static (or something like it) was NOT specified
(or if --dyanic, or something like it, was specified),
if we have the dynamic libs, then use them. Otherwise,
use the static libs. */
if (have_dyn_lib) {
use_static_libs = false;
} else {
use_static_libs = true;
}
}
free(filename1);
free(filename2);
if (use_static_libs) {
opal_argv_insert(&exec_argv, exec_argc, options_data[user_data_idx].libs_static);
} else {
opal_argv_insert(&exec_argv, exec_argc, options_data[user_data_idx].libs);
}
exec_argc = opal_argv_count(exec_argv);
}
/****************************************************
*
* Execute the command
*
****************************************************/
if (flags & COMP_DRY_RUN) {
exec_command = opal_argv_join(exec_argv, ' ');
printf("%s\n", exec_command);
} else {
char *tmp;
#if 0
exec_command = opal_argv_join(exec_argv, ' ');
printf("command: %s\n", exec_command);
#endif
tmp = opal_path_findv(exec_argv[0], 0, environ, NULL);
if (NULL == tmp) {
opal_show_help("help-opal-wrapper.txt", "no-compiler-found", true,
exec_argv[0], NULL);
errno = 0;
exit_status = 1;
} else {
int status;
free(exec_argv[0]);
exec_argv[0] = tmp;
ret = opal_few(exec_argv, &status);
exit_status = WIFEXITED(status) ? WEXITSTATUS(status) :
(WIFSIGNALED(status) ? WTERMSIG(status) :
(WIFSTOPPED(status) ? WSTOPSIG(status) : 255));
if( (OPAL_SUCCESS != ret) || ((0 != exit_status) && (flags & COMP_SHOW_ERROR)) ) {
char* exec_command = opal_argv_join(exec_argv, ' ');
if( OPAL_SUCCESS != ret ) {
opal_show_help("help-opal-wrapper.txt", "spawn-failed", true,
exec_argv[0], strerror(status), exec_command, NULL);
} else {
#if 0
opal_show_help("help-opal-wrapper.txt", "compiler-failed", true,
exec_argv[0], exit_status, exec_command, NULL);
#endif
}
free(exec_command);
}
}
}
/****************************************************
*
* Cleanup
*
****************************************************/
cleanup:
opal_argv_free(exec_argv);
opal_argv_free(user_argv);
if (NULL != base_argv0) free(base_argv0);
if (OPAL_SUCCESS != (ret = data_finalize())) {
return ret;
}
if (OPAL_SUCCESS != (ret = opal_finalize_util())) {
return ret;
}
return exit_status;
}