[PATCH 5/6] autoregen.py: Add support for autogen

[Christophe Lyon <christophe.lyon@linaro.org>]

GCC's toplevel Makefile.in is generated with
autogen Makefile.def
(which uses Makefile.tpl too)
---
 builder/containers/autoregen.py | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/builder/containers/autoregen.py b/builder/containers/autoregen.py
index 4731a87..d1ab217 100755
--- a/builder/containers/autoregen.py
+++ b/builder/containers/autoregen.py
@@ -21,6 +21,8 @@ ACLOCAL_BIN = next(name for name in ACLOCAL_NAMES if shutil.which(name))
 AUTOHEADER_BIN = next(name for name in AUTOHEADER_NAMES if shutil.which(name))
 AUTORECONF_BIN = next(name for name in AUTORECONF_NAMES if shutil.which(name))
 
+AUTOGEN_BIN = "autogen"
+
 # autoconf-wrapper and automake-wrapper from Gentoo look at this environment variable.
 # It's harmless to set it on other systems though.
 EXTRA_ENV = {
@@ -29,6 +31,7 @@ EXTRA_ENV = {
     "AUTOCONF": AUTOCONF_BIN,
     "ACLOCAL": ACLOCAL_BIN,
     "AUTOMAKE": AUTOMAKE_BIN,
+    "AUTOGEN": AUTOGEN_BIN,
 }
 ENV = os.environ.copy()
 ENV.update(EXTRA_ENV)
@@ -110,6 +113,9 @@ def run_shell(cmd: str):
 def regenerate_with_autoreconf():
     run_shell(f"{AUTORECONF_BIN} -f")
 
+def regenerate_with_autogen():
+    run_shell(f"{AUTOGEN_BIN} Makefile.def")
+
 def regenerate_manually():
     configure_lines = open("configure.ac").read().splitlines()
     if folder.stem == "fixincludes" or folder.stem == "libgm2" or any(
@@ -166,12 +172,20 @@ run_shell(f"{AUTOHEADER_BIN} --version")
 print(f"Extra environment: {EXTRA_ENV}", flush=True)
 
 config_folders: list[Path] = []
+autogen_folders: list[Path] = []
 repo_root = Path.cwd()
 
 for root, _, files in os.walk("."):
     for file in files:
         if file == "configure.ac":
             config_folders.append(Path(root).resolve())
+        if file == "Makefile.tpl":
+            autogen_folders.append(Path(root).resolve())
+
+for folder in sorted(autogen_folders):
+    print(f"Entering directory {folder}", flush=True)
+    os.chdir(folder)
+    regenerate_with_autogen()
 
 for folder in sorted(config_folders):
     if folder.stem in SKIP_DIRS:
-- 
2.34.1