Merge pull request #9867 from kaspar030/pr/unify_app_folder_search

make: unify app folder search (examples/*, tests/*, ...)

.murdock

@@ -72,9 +72,8 @@ _greplist() {
 
 # get list of all app directories
 get_apps() {
-    find tests/ examples/ \
-        -mindepth 2 -maxdepth 2 -name Makefile -type f \
-        | xargs dirname | $(_greplist $APPS) | sort
+    make -f makefiles/app_dirs.inc.mk info-applications \
+        | $(_greplist $APPS) | sort
 }
 
 # take app dir as parameter, print all boards that are supported

Makefile

@@ -20,11 +20,11 @@ docclean:
 
 clean:
 	@echo "Cleaning all build products for the current board"
-	@find ./examples/ ./tests/ -maxdepth 2 -mindepth 2 -type f -name Makefile -execdir "$(MAKE)" clean ';'
+	@for dir in $(APPLICATION_DIRS); do "$(MAKE)" -C$$dir clean; done
 
 distclean: docclean
 	@echo "Cleaning all build products"
-	@find ./examples/ ./tests/ -maxdepth 2 -mindepth 2 -type f -name Makefile -execdir "$(MAKE)" distclean ';'
+	@for dir in $(APPLICATION_DIRS); do "$(MAKE)" -C$$dir distclean; done
 
 welcome:
 	@echo "Welcome to RIOT - The friendly OS for IoT!"
@@ -37,4 +37,6 @@ welcome:
 	@echo "Or ask questions on our mailing list:"
 	@echo "    users@riot-os.org (http://lists.riot-os.org/mailman/listinfo/users)"
 
+include makefiles/app_dirs.inc.mk
+
 -include makefiles/tests.inc.mk

dist/tools/compile_test/compile_test.py

@@ -21,11 +21,14 @@
 
 from __future__ import print_function
 
+from collections import defaultdict
 from itertools import groupby
-from os import devnull, environ, listdir
+from os import devnull, environ
 from os.path import abspath, dirname, isfile, join
 from subprocess import CalledProcessError, check_call, check_output, PIPE, Popen
-from sys import exit, stdout, argv
+from sys import argv, exit, stdout
+
+
 try:
     # Python 2.x
     from StringIO import StringIO
@@ -86,12 +89,33 @@ def get_results_and_output_from(fd):
             output.write(line)
 
 
+def get_app_dirs():
+    return check_output(["make", "-f", "makefiles/app_dirs.inc.mk", "info-applications"]) \
+            .decode("utf-8", errors="ignore")\
+            .split()
+
+
+def split_apps_by_dir(app_dirs):
+    """ creates a dictionary as follows:
+    { "examples": ["hello_world", "gnrc_networking" ],
+      "tests": ["minimal", "fmt_print" ]
+      }
+    """
+    res = defaultdict(list)
+    for app_dir in app_dirs:
+        folder, app = app_dir.split("/", 1)
+        res[folder].append(app)
+
+    return res
+
+
 def build_all():
     riotbase = environ.get('RIOTBASE') or abspath(join(dirname(abspath(__file__)), '../' * 3))
-    for folder in ('examples', 'tests'):
+    app_folders = split_apps_by_dir(get_app_dirs())
+    for folder in sorted(app_folders):
         print('Building all applications in: {}'.format(colorize_str(folder, Termcolor.blue)))
 
-        applications = listdir(join(riotbase, folder))
+        applications = app_folders[folder]
         applications = filter(lambda app: is_tracked(join(riotbase, folder, app)), applications)
         applications = sorted(applications)
 

makefiles/app_dirs.inc.mk

@@ -0,0 +1,14 @@
+# fallback so empty RIOTBASE won't lead to "/examples/"
+RIOTBASE ?= .
+
+# 1. use wildcard to find Makefiles
+# 2. use patsubst to drop trailing "/"
+# 3. use patsubst to drop possible leading "./"
+# 4. sort
+APPLICATION_DIRS := $(sort $(patsubst ./%,%,$(patsubst %/,%,$(dir $(wildcard \
+	$(RIOTBASE)/examples/*/Makefile \
+	$(RIOTBASE)/tests/*/Makefile    \
+	)))))
+
+info-applications:
+	@for dir in $(APPLICATION_DIRS); do echo $$dir; done