From 9a5c78dc266833fc10555935f2aa2f92b88cb9a0 Mon Sep 17 00:00:00 2001
From: KOBAYASHI Shuji <shuujii@gmail.com>
Date: Mon, 2 Nov 2020 14:13:33 +0900
Subject: Fix parallel build

When `rake -m` and so on are used to build in parallel, building may be
started before presym files are generated. Then, for example, the following
error occurs and this issue is fixed.

```console
In file included from /Users/shuujii/mruby/mruby/include/mruby.h:92:
/mruby/mruby/include/mruby/presym.h:16:10: fatal error: '../build/presym.inc' file not found
#include <../build/presym.inc>
         ^~~~~~~~~~~~~~~~~~~~~
```
---
 Rakefile | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'Rakefile')

diff --git a/Rakefile b/Rakefile
index dc0f23a71..272aad011 100644
--- a/Rakefile
+++ b/Rakefile
@@ -232,7 +232,6 @@ end
 
 desc "preallocated symbols"
 task :gensym => presym_inc
-task :all => :gensym
 
 depfiles += MRuby.targets.map { |n, t|
   t.libraries
@@ -243,7 +242,7 @@ depfiles += MRuby.targets.reject { |n, t| n == 'host' }.map { |n, t|
 }.flatten
 
 desc "build all targets, install (locally) in-repo"
-task :all => depfiles do
+task :all => :build do
   puts
   puts "Build summary:"
   puts
@@ -253,6 +252,10 @@ task :all => depfiles do
   MRuby::Lockfile.write
 end
 
+task :build => :gensym do
+  depfiles.each {|dep| Rake::Task[dep].invoke}
+end
+
 desc "run all mruby tests"
 task :test
 MRuby.each_target do
-- 
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