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-rw-r--r--gcc/fortran/module.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/gcc/fortran/module.c b/gcc/fortran/module.c
index d88969e..f0d84a4 100644
--- a/gcc/fortran/module.c
+++ b/gcc/fortran/module.c
@@ -193,6 +193,11 @@ static gzFile module_fp;
static const char *module_name;
/* The name of the .smod file that the submodule will write to. */
static const char *submodule_name;
+
+/* Suppress the output of a .smod file by module, if no module
+ procedures have been seen. */
+static bool no_module_procedures;
+
static gfc_use_list *module_list;
/* If we're reading an intrinsic module, this is its ID. */
@@ -798,7 +803,7 @@ gfc_match_submodule (void)
/* Just retain the ultimate .(s)mod file for reading, since it
contains all the information in its ancestors. */
use_list = module_list;
- for (; module_list->next; use_list = use_list->next)
+ for (; module_list->next; use_list = module_list)
{
module_list = use_list->next;
free (use_list);
@@ -2222,7 +2227,10 @@ mio_symbol_attribute (symbol_attribute *attr)
if (attr->array_outer_dependency)
MIO_NAME (ab_attribute) (AB_ARRAY_OUTER_DEPENDENCY, attr_bits);
if (attr->module_procedure)
+ {
MIO_NAME (ab_attribute) (AB_MODULE_PROCEDURE, attr_bits);
+ no_module_procedures = false;
+ }
mio_rparen ();
@@ -6081,9 +6089,10 @@ gfc_dump_module (const char *name, int dump_flag)
else
dump_smod =false;
+ no_module_procedures = true;
dump_module (name, dump_flag);
- if (dump_smod)
+ if (no_module_procedures || dump_smod)
return;
/* Write a submodule file from a module. The 'dump_smod' flag switches