ninja: Move things which aren't rules or build statements up to generate()

mesonbuild/backend/ninjabackend.py

@@ -220,6 +220,14 @@ int dummy;
             outfile.write('# It is autogenerated by the Meson build system.\n')
             outfile.write('# Do not edit by hand.\n\n')
             outfile.write('ninja_required_version = 1.5.1\n\n')
+
+            num_pools = self.environment.coredata.backend_options['backend_max_links'].value
+            if num_pools > 0:
+                outfile.write('''pool link_pool
+  depth = %d
+
+''' % num_pools)
+
         with self.detect_vs_dep_prefix(tempfilename) as outfile:
             self.generate_rules(outfile)
             self.generate_phony(outfile)
@@ -238,6 +246,8 @@ int dummy;
             outfile.write('# Suffix\n\n')
             self.generate_utils(outfile)
             self.generate_ending(outfile)
+            default = 'default all\n\n'
+            outfile.write(default)
         # Only overwrite the old build file after the new one has been
         # fully created.
         os.replace(tempfilename, outfilename)
@@ -774,12 +784,6 @@ int dummy;
         outfile.write('# Rules for compiling.\n\n')
         self.generate_compile_rules(outfile)
         outfile.write('# Rules for linking.\n\n')
-        num_pools = self.environment.coredata.backend_options['backend_max_links'].value
-        if num_pools > 0:
-            outfile.write('''pool link_pool
-  depth = %d
-
-''' % num_pools)
         if self.environment.is_cross_build():
             self.generate_static_link_rules(True, outfile)
         self.generate_static_link_rules(False, outfile)
@@ -2706,9 +2710,6 @@ rule FORTRAN_DEP_HACK%s
         elem = NinjaBuildElement(self.all_outputs, 'all', 'phony', targetlist)
         elem.write(outfile)
 
-        default = 'default all\n\n'
-        outfile.write(default)
-
         elem = NinjaBuildElement(self.all_outputs, 'meson-clean', 'CUSTOM_COMMAND', 'PHONY')
         elem.add_item('COMMAND', [self.ninja_command, '-t', 'clean'])
         elem.add_item('description', 'Cleaning.')