From 88b5742ffaf437c0104f6fbb1721148f1863ec8e Mon Sep 17 00:00:00 2001
From: Sergey Kosukhin <sergey.kosukhin@mpimet.mpg.de>
Date: Fri, 26 Apr 2024 13:35:24 +0200
Subject: [PATCH] deplist.py: support dependency hints.

---
 deplist.config.in   | 1 -
 mkhelper.mk.in      | 4 ++--
 mkhelper/deplist.py | 5 +++--
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/deplist.config.in b/deplist.config.in
index e3783d4..e5f9bb1 100644
--- a/deplist.config.in
+++ b/deplist.config.in
@@ -1,4 +1,3 @@
---inc-oo
 --check-colour yellow
 # Check whether the dependency graph is acyclic:
 --check-cycles
diff --git a/mkhelper.mk.in b/mkhelper.mk.in
index b66f21d..fe6e64c 100644
--- a/mkhelper.mk.in
+++ b/mkhelper.mk.in
@@ -192,8 +192,8 @@ sanitize-mod-proxies:
 # Dependency generation rule for undetectable Fortran dependencies:
 extra_f90.d: mkhelper.mk
 	$(silent_DEPGEN):;{ \
-	  echo 'src/program/main.o:| src/program/implicit_external.o'; \
-	  echo 'src/program/main.o:| src/modules/submo_test_submodule.o'; \
+	  echo '#-hint src/program/main.o: src/program/implicit_external.o'; \
+	  echo '#-hint src/program/main.o: src/modules/submo_test_submodule.o'; \
 	} >$@
 
 # Configure delayed bundled libraries:
diff --git a/mkhelper/deplist.py b/mkhelper/deplist.py
index 198cdc9..c796b52 100755
--- a/mkhelper/deplist.py
+++ b/mkhelper/deplist.py
@@ -48,10 +48,11 @@
 import sys
 
 _re_rule = re.compile(
+    r"^(?P<hint>#-hint )?"
     # targets
-    r"^[ ]*(?P<targets>[-+\w./]+(?:[ ]+[-+\w./]+)*)[ ]*"
+    r"[ ]*(?P<targets>[-+\w./]+(?:[ ]+[-+\w./]+)*)[ ]*"
     # normal prerequisites
-    r":(?:[ ]*(?P<normal>[-+\w./]+(?:[ ]+[-+\w./]+)*))?[ ]*"
+    r":[ ]*(?P<normal>[-+\w./]+(?:[ ]+[-+\w./]+)*)?[ ]*"
     # order-only prerequisites
     r"(?:\|[ ]*(?P<order_only>[-+\w./]+(?:[ ]+[-+\w./]+)*))?"
 )