12 files changed, 66 insertions, 0 deletions
diff --git a/mesonbuild/backend/backends.py b/mesonbuild/backend/backends.py
index b869008..311e16c 100644
--- a/mesonbuild/backend/backends.py
+++ b/mesonbuild/backend/backends.py
@@ -17,6 +17,7 @@ from .. import build
 from .. import dependencies
 from .. import mesonlib
 import json
+import subprocess
 from ..coredata import MesonException
 
 class InstallData():
@@ -435,3 +436,8 @@ class Backend():
                 cmd.append(i)
         cmd = [i.replace('\\', '/') for i in cmd]
         return (srcs, ofilenames, cmd)
+
+    def run_postconf_scripts(self):
+        for s in self.build.postconf_scripts:
+            cmd = s['exe'].get_command() + [self.environment.get_source_dir(), self.environment.get_build_dir()] + s['args']
+            subprocess.check_call(cmd)
diff --git a/mesonbuild/build.py b/mesonbuild/build.py
index c96a69f..315e4bc 100644
--- a/mesonbuild/build.py
+++ b/mesonbuild/build.py
@@ -98,6 +98,7 @@ class Build:
         self.pot = []
         self.subprojects = {}
         self.install_scripts = []
+        self.postconf_scripts = []
         self.install_dirs = []
         self.dep_manifest_name = None
         self.dep_manifest = {}
diff --git a/mesonbuild/interpreter.py b/mesonbuild/interpreter.py
index ffd4689..62b7fc0 100644
--- a/mesonbuild/interpreter.py
+++ b/mesonbuild/interpreter.py
@@ -795,6 +795,7 @@ class MesonMain(InterpreterObject):
                              'source_root' : self.source_root_method,
                              'build_root' : self.build_root_method,
                              'add_install_script' : self.add_install_script_method,
+                             'add_postconf_script' : self.add_postconf_script_method,
                              'install_dependency_manifest': self.install_dependency_manifest_method,
                              'project_version': self.project_version_method,
                             })
@@ -810,6 +811,17 @@ class MesonMain(InterpreterObject):
             raise InterpreterException('Can not find install script %s.' % scriptbase)
         self.build.install_scripts.append(build.InstallScript([scriptfile]))
 
+    def add_postconf_script_method(self, args, kwargs):
+        if len(args) < 1:
+            raise InterpreterException('Not enough arguments')
+        check_stringlist(args, 'add_postconf_script arguments must be strings.')
+        scriptbase = args[0]
+        search_dir = os.path.join(self.interpreter.environment.source_dir,
+                                  self.interpreter.subdir)
+        exe = dependencies.ExternalProgram(scriptbase, search_dir=search_dir)
+        extras = args[1:]
+        self.build.postconf_scripts.append({'exe': exe, 'args': extras})
+
     def current_source_dir_method(self, args, kwargs):
         src = self.interpreter.environment.source_dir
         sub = self.interpreter.subdir
diff --git a/mesonbuild/mesonmain.py b/mesonbuild/mesonmain.py
index 543a31f..95e6731 100644
--- a/mesonbuild/mesonmain.py
+++ b/mesonbuild/mesonmain.py
@@ -168,6 +168,7 @@ itself as required.'''
         intr.run()
         env.dump_coredata()
         g.generate(intr)
+        g.run_postconf_scripts()
         dumpfile = os.path.join(env.get_scratch_dir(), 'build.dat')
         pickle.dump(b, open(dumpfile, 'wb'))
 
diff --git a/test cases/common/107 postconf/meson.build b/test cases/common/107 postconf/meson.build
new file mode 100644
index 0000000..12b3c5b
--- /dev/null
+++ b/test cases/common/107 postconf/meson.build
@@ -0,0 +1,5 @@
+project('postconf script', 'c')
+
+meson.add_postconf_script('postconf.py')
+
+test('post', executable('prog', 'prog.c'))
diff --git a/test cases/common/107 postconf/postconf.py b/test cases/common/107 postconf/postconf.py
new file mode 100644
index 0000000..d185f94
--- /dev/null
+++ b/test cases/common/107 postconf/postconf.py
@@ -0,0 +1,11 @@
+#!/usr/bin/env python3
+
+import sys, os
+
+template = '''#pragma once
+
+#define THE_NUMBER {}
+'''
+
+data = open(os.path.join(sys.argv[1], 'raw.dat')).readline().strip()
+open(os.path.join(sys.argv[2], 'generated.h'), 'w').write(template.format(data))
diff --git a/test cases/common/107 postconf/prog.c b/test cases/common/107 postconf/prog.c
new file mode 100644
index 0000000..1e5d4cb
--- /dev/null
+++ b/test cases/common/107 postconf/prog.c
@@ -0,0 +1,5 @@
+#include"generated.h"
+
+int main(int argc, char **argv) {
+    return THE_NUMBER != 9;
+}
diff --git a/test cases/common/107 postconf/raw.dat b/test cases/common/107 postconf/raw.dat
new file mode 100644
index 0000000..ec63514
--- /dev/null
+++ b/test cases/common/107 postconf/raw.dat
@@ -0,0 +1 @@
+9
diff --git a/test cases/common/108 postconf with args/meson.build b/test cases/common/108 postconf with args/meson.build
new file mode 100644
index 0000000..8510c5b
--- /dev/null
+++ b/test cases/common/108 postconf with args/meson.build
@@ -0,0 +1,5 @@
+project('postconf script', 'c')
+
+meson.add_postconf_script('postconf.py', '5', '33')
+
+test('post', executable('prog', 'prog.c'))
diff --git a/test cases/common/108 postconf with args/postconf.py b/test cases/common/108 postconf with args/postconf.py
new file mode 100644
index 0000000..b229d62
--- /dev/null
+++ b/test cases/common/108 postconf with args/postconf.py
@@ -0,0 +1,13 @@
+#!/usr/bin/env python3
+
+import sys, os
+
+template = '''#pragma once
+
+#define THE_NUMBER {}
+#define THE_ARG1 {}
+#define THE_ARG2 {}
+'''
+
+data = open(os.path.join(sys.argv[1], 'raw.dat')).readline().strip()
+open(os.path.join(sys.argv[2], 'generated.h'), 'w').write(template.format(data, sys.argv[3], sys.argv[4]))
diff --git a/test cases/common/108 postconf with args/prog.c b/test cases/common/108 postconf with args/prog.c
new file mode 100644
index 0000000..0e63a8c
--- /dev/null
+++ b/test cases/common/108 postconf with args/prog.c
@@ -0,0 +1,5 @@
+#include"generated.h"
+
+int main(int argc, char **argv) {
+    return THE_NUMBER != 9 || THE_ARG1 != 5 || THE_ARG2 != 33;
+}
diff --git a/test cases/common/108 postconf with args/raw.dat b/test cases/common/108 postconf with args/raw.dat
new file mode 100644
index 0000000..ec63514
--- /dev/null
+++ b/test cases/common/108 postconf with args/raw.dat
@@ -0,0 +1 @@
+9