Add a test suite for GCCHEADcpp

1 files changed, 47 insertions, 17 deletions

diff --git a/rakelib/gcc.rake b/rakelib/gcc.rake
index 3f36ce9..7e00d1b 100644
--- a/rakelib/gcc.rake
+++ b/rakelib/gcc.rake
@@ -58,32 +58,57 @@ def download_and_pipe(url, target, command)
   end
 end
 
+def link_frontend(source, destination)
+  File.symlink Pathname.new(source).relative_path_from(destination), (destination + File.basename(source))
+end
+
 namespace :gcc do
   # Dependencies.
   GCC_VERSION = "15.3.0"
   HOST_GCC = 'build/host/gcc'
-  HOST_INSTALL = 'build/host/install'
+  GCC_TREE = Pathname.new "build/tools/gcc-#{GCC_VERSION}"
   GCC_PATCH = 'https://raw.githubusercontent.com/Homebrew/homebrew-core/refs/heads/main/Patches/gcc/gcc-15.3.0.diff'
 
   directory HOST_GCC
-  directory HOST_INSTALL
+  directory 'build/host/install'
   directory 'build/tools'
 
-  desc 'Download and configure the bootstrap compiler'
-  task configure: ['build/tools', HOST_GCC, HOST_INSTALL] do
+  desc 'Download the bootstrap compiler and its prerequisites'
+  task download: 'build/tools' do
     url = URI.parse "https://gcc.gnu.org/pub/gcc/releases/gcc-#{GCC_VERSION}/gcc-#{GCC_VERSION}.tar.xz"
-    build_target = find_build_target
-    source_directory = Pathname.new "build/tools/gcc-#{GCC_VERSION}"
-    frontend_link = source_directory + 'gcc'
 
-    download_and_pipe url, source_directory.dirname, ['tar', '-Jxv']
-    download_and_pipe URI.parse(GCC_PATCH), source_directory, ['patch', '-p1']
+    download_and_pipe url, GCC_TREE.dirname, ['tar', '-Jxv']
+    download_and_pipe URI.parse(GCC_PATCH), GCC_TREE, ['patch', '-p1']
+
+    sh 'contrib/download_prerequisites', chdir: GCC_TREE.to_path
+  end
+
+  desc 'Link the frontend into the GCC source tree'
+  task :link do
+    source_destination = GCC_TREE + 'gcc/elna'
+    test_destination = GCC_TREE + 'gcc/testsuite/elna.dg'
 
-    sh 'contrib/download_prerequisites', chdir: source_directory.to_path
-    File.symlink Pathname.new('.').relative_path_from(frontend_link), (frontend_link + 'elna')
+    rm_rf [source_destination, test_destination]
+    mkdir_p [source_destination, test_destination]
+
+    FileList['boot', 'include', 'COPYING3', 'README.md', 'gcc/gcc', 'gcc/*.in', 'gcc/lang*'].each do |file|
+      link_frontend file, source_destination
+    end
+    FileList['testsuite/*', 'gcc/dg.exp', 'README.md'].each do |file|
+      link_frontend file, test_destination
+    end
+    destination = GCC_TREE + 'gcc/testsuite/lib'
+    FileList['gcc/testlib/*'].each do |file|
+      rm_f (destination + File.basename(file))
+      link_frontend file, destination
+    end
+  end
 
+  desc 'Configure the bootstrap compiler'
+  task configure: [HOST_GCC, 'build/host/install'] do |t|
+    build_target = find_build_target
     configure_options = [
-      "--prefix=#{File.realpath HOST_INSTALL}",
+      "--prefix=#{File.realpath t.prerequisites.last}",
       '--enable-languages=c,c++,jit,elna',
       '--disable-bootstrap',
       '--disable-multilib',
@@ -93,13 +118,13 @@ namespace :gcc do
       "--build=#{build_target}",
       "--host=#{build_target}"
     ]
-    if File.symlink? '/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk'
-      configure_options << '--with-sysroot=/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk'
-    end
+    mac_os_sdk = '/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk'
+    configure_options << "--with-sysroot=#{mac_os_sdk}" if File.symlink? mac_os_sdk
+
     env = ENV.slice 'CC', 'CXX'
     env['CFLAGS'] = env['CXXFLAGS'] = '-O0 -g -fPIC -I/opt/homebrew/opt/flex/include'
 
-    configure = source_directory.relative_path_from(HOST_GCC) + 'configure'
+    configure = GCC_TREE.relative_path_from(HOST_GCC) + 'configure'
     sh env, configure.to_path, *configure_options, chdir: HOST_GCC
   end
 
@@ -108,7 +133,12 @@ namespace :gcc do
     sh 'make', '-j', Etc.nprocessors.to_s, chdir: HOST_GCC
     sh 'make', 'install', chdir: HOST_GCC
   end
+
+  desc 'Run tests'
+  task :check do
+    sh 'make', 'check-elna', chdir: File.join(HOST_GCC, 'gcc')
+  end
 end
 
 desc 'Build the bootstrap compiler'
-task gcc: %w[gcc:configure gcc:make]
+task gcc: %w[gcc:download gcc:link gcc:configure gcc:make]