Trigger workflows on pull_request

.github/workflows/build.yml

@@ -10,6 +10,15 @@ on:
       - '*.mk'
       - '.github/workflows/build.yml'
 
+  pull_request:
+    paths:
+      - 'src/**'
+      - 'include/**'
+      - 'tools/src/**'
+      - 'Makefile'
+      - '*.mk'
+      - '.github/workflows/build.yml'
+
 jobs:
 
   build:

.github/workflows/check.yml

@@ -8,6 +8,14 @@ on:
       - 'Makefile'
       - '*.mk'
       - '.github/workflows/check.yml'
+
+  pull_request:
+    paths:
+      - 'src/**'
+      - 'include/**'
+      - 'Makefile'
+      - '*.mk'
+      - '.github/workflows/check.yml'
 
 jobs:
 

.github/workflows/dox.yml

@@ -13,7 +13,16 @@ on:
       - 'Doxyfile'
       - '*.md'
       - '.github/workflows/dox.yml'
-
+
+  pull_request:
+    paths:
+      - 'src/**'
+      - 'include/**'
+      - 'css/**'
+      - 'resources/**'
+      - 'Doxyfile'
+      - '*.md'
+      - '.github/workflows/dox.yml'
 jobs:   
 
   apidocs:

.github/workflows/example.yml

@@ -6,6 +6,11 @@ on:
       - 'examples/**'
       - '.github/workflows/example.yml'
 
+  pull_request:
+    paths:
+      - 'examples/**'
+      - '.github/workflows/example.yml'
+
 jobs:
 
   build:

.github/workflows/test.yml

@@ -12,6 +12,17 @@ on:
       - 'test/Makefile'
       - '.github/workflows/test.yml'
 
+  pull_request:
+    paths:
+      - 'src/**'
+      - 'include/**'
+      - 'test/src/**'
+      - 'test/reference/**'
+      - 'Makefile'
+      - '*.mk'
+      - 'test/Makefile'
+      - '.github/workflows/test.yml'
+
 jobs:
 
   test: