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embedding_wrapper.c and julia_init.c: Use JULIA_DEPOT_PATH and JULIA_LOAD_PATH from the environment #1032

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embedding_wrapper.c and julia_init.c: Use JULIA_DEPOT_PATH and JULIA_LOAD_PATH from the environment #1032

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8395890
Use `JULIA_DEPOT_PATH` and `JULIA_LOAD_PATH` from the environment
kpamnany Feb 28, 2025
3ff4c50
Address review comment
kpamnany Mar 5, 2025
37ce1ad
Add test
kpamnany Jun 16, 2025
97adfe2
Update `set_depot_load_path` in the embedding wrapper
kpamnany Jun 19, 2025
0e593ba
Fix test and undo temporary changes
kpamnany Jun 19, 2025
17f42df
Windows platforms need path strings to be escaped
kpamnany Jun 24, 2025
9f8611e
Add new stdlib jlls
gbaraldi Aug 4, 2025
5fbcaf0
Remove those libraries for now
gbaraldi Aug 4, 2025
1ce886d
Undo unnecessary changes
kpamnany Sep 2, 2025
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39 changes: 31 additions & 8 deletions src/embedding_wrapper.c
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Original file line number Diff line number Diff line change
Expand Up @@ -37,22 +37,45 @@ jl_value_t *checked_eval_string(const char *code) {

void set_depot_load_path(const char *root_dir) {
#ifdef _WIN32
char *path_sep = ";";
char *julia_share_subdir = "\\share\\julia";
#else
char *path_sep = ":";
char *julia_share_subdir = "/share/julia";
#endif
char *share_dir =
calloc(sizeof(char), strlen(root_dir) + strlen(julia_share_subdir) + 1);
strcat(share_dir, root_dir);
strcat(share_dir, julia_share_subdir);
int share_path_len = strlen(root_dir) + strlen(julia_share_subdir) + 1;

char *curr_depot_path = getenv("JULIA_DEPOT_PATH");
int curr_depot_path_len = curr_depot_path == NULL ? 0 : strlen(curr_depot_path);
int new_depot_path_len = curr_depot_path_len + 1 + share_path_len;
char *new_depot_path = calloc(sizeof (char), new_depot_path_len);
if (curr_depot_path_len > 0) {
strcat(new_depot_path, curr_depot_path);
strcat(new_depot_path, path_sep);
}
strcat(new_depot_path, root_dir);
strcat(new_depot_path, julia_share_subdir);

char *curr_load_path = getenv("JULIA_LOAD_PATH");
int curr_load_path_len = curr_load_path == NULL ? 0 : strlen(curr_load_path);
int new_load_path_len = curr_load_path_len + 1 + share_path_len;
char *new_load_path = calloc(sizeof (char), new_load_path_len);
if (curr_load_path_len > 0) {
strcat(new_load_path, curr_load_path);
strcat(new_load_path, path_sep);
}
strcat(new_load_path, root_dir);
strcat(new_load_path, julia_share_subdir);

#ifdef _WIN32
_putenv_s("JULIA_DEPOT_PATH", share_dir);
_putenv_s("JULIA_LOAD_PATH", share_dir);
_putenv_s("JULIA_DEPOT_PATH", new_depot_path);
_putenv_s("JULIA_LOAD_PATH", new_load_path);
#else
setenv("JULIA_DEPOT_PATH", share_dir, 1);
setenv("JULIA_LOAD_PATH", share_dir, 1);
setenv("JULIA_DEPOT_PATH", new_depot_path, 1);
setenv("JULIA_LOAD_PATH", new_load_path, 1);
#endif
free(new_load_path);
free(new_depot_path);
}

// main function (windows UTF16 -> UTF8 argument conversion code copied from
Expand Down
40 changes: 31 additions & 9 deletions src/julia_init.c
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Expand Up @@ -42,23 +42,45 @@ const char *get_sysimage_path(const char *libname) {

void set_depot_load_path(const char *root_dir) {
#ifdef _WIN32
char *path_sep = ";";
char *julia_share_subdir = "\\share\\julia";
#else
char *path_sep = ":";
char *julia_share_subdir = "/share/julia";
#endif
char *share_dir =
calloc(sizeof(char), strlen(root_dir) + strlen(julia_share_subdir) + 1);
strcat(share_dir, root_dir);
strcat(share_dir, julia_share_subdir);
int share_path_len = strlen(root_dir) + strlen(julia_share_subdir) + 1;

char *curr_depot_path = getenv("JULIA_DEPOT_PATH");
int curr_depot_path_len = curr_depot_path == NULL ? 0 : strlen(curr_depot_path);
int new_depot_path_len = curr_depot_path_len + 1 + share_path_len;
char *new_depot_path = calloc(sizeof (char), new_depot_path_len);
if (curr_depot_path_len > 0) {
strcat(new_depot_path, curr_depot_path);
strcat(new_depot_path, path_sep);
}
strcat(new_depot_path, root_dir);
strcat(new_depot_path, julia_share_subdir);

char *curr_load_path = getenv("JULIA_LOAD_PATH");
int curr_load_path_len = curr_load_path == NULL ? 0 : strlen(curr_load_path);
int new_load_path_len = curr_load_path_len + 1 + share_path_len;
char *new_load_path = calloc(sizeof (char), new_load_path_len);
if (curr_load_path_len > 0) {
strcat(new_load_path, curr_load_path);
strcat(new_load_path, path_sep);
}
strcat(new_load_path, root_dir);
strcat(new_load_path, julia_share_subdir);

#ifdef _WIN32
_putenv_s("JULIA_DEPOT_PATH", share_dir);
_putenv_s("JULIA_LOAD_PATH", share_dir);
_putenv_s("JULIA_DEPOT_PATH", new_depot_path);
_putenv_s("JULIA_LOAD_PATH", new_load_path);
#else
setenv("JULIA_DEPOT_PATH", share_dir, 1);
setenv("JULIA_LOAD_PATH", share_dir, 1);
setenv("JULIA_DEPOT_PATH", new_depot_path, 1);
setenv("JULIA_LOAD_PATH", new_load_path, 1);
#endif
free(share_dir);
free(new_load_path);
free(new_depot_path);
}

void init_julia(int argc, char **argv) {
Expand Down
9 changes: 8 additions & 1 deletion test/runtests.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -110,8 +110,12 @@ end
rm(joinpath(new_depot, "compiled"); recursive=true, force=true)
rm(joinpath(new_depot, "artifacts"); recursive=true, force=true)
end # try
test_load_path = mktempdir()
test_depot_path = mktempdir()
app_path(app_name) = abspath(app_compiled_dir, "bin", app_name * (Sys.iswindows() ? ".exe" : ""))
app_output = read(`$(app_path("MyApp")) I get --args áéíóú --julia-args --threads=3 --check-bounds=yes -O1`, String)
app_output = withenv("JULIA_DEPOT_PATH" => test_depot_path, "JULIA_LOAD_PATH" => test_load_path) do
read(`$(app_path("MyApp")) I get --args áéíóú --julia-args --threads=3 --check-bounds=yes -O1`, String)
end

# Check stdlib filtering
if filter == true
Expand Down Expand Up @@ -140,6 +144,9 @@ end
# Check app is precompiled in a normal process
@test occursin("outputo: ok", app_output)
@test occursin("myrand: ok", app_output)
# Check env-provided depot and load paths are accepted
@test occursin("DEPOT_PATH = [\"$(escape_string(test_depot_path))", app_output)
@test occursin("LOAD_PATH = [\"$(escape_string(test_load_path))", app_output)
# Check distributed
@test occursin("n = 20000000", app_output)
@test occursin("From worker 2:\t8", app_output)
Expand Down
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