Update llvm from 6.0.0-1 to 7.0.0

Remove lldb package

Add pre-built binaries

packages/lldb.rb

-require 'package'
-
-class Lldb < Package
-  description 'LLDB is a next generation, high-performance debugger.'
-  homepage 'http://lldb.llvm.org/'
-  version '3.6'
-  binary_url ({
-    i686: 'https://www.dropbox.com/s/bls4hv4z8m2ifsc/lldb-3.6-i386.tar.gz?dl=0',
-    x86_64: 'https://www.dropbox.com/s/zi3rzdmz2awu8u8/lldb-3.6-64x.tar.gz?dl=0'
-  })
-  binary_sha256 ({
-    i686: '7bdb9d0078aa0a6bd1d56df24e076a007a80274dbd0870b7d81a4a9767da49b2',
-    x86_64: 'ac81a42662a1fde6b6a0dfb9e81be93deefc4ef78f80e67114dfc6fcaf65f4fa'
-  })
-end

packages/llvm.rb

 require 'package'
 
 class Llvm < Package
-  description 'The LLVM Project (version 6.0.0) is a collection of modular and reusable compiler and toolchain technologies. The optional packages including clang, lld, polly, compiler-rt, libcxx, libcxxabi and openmp are included.'
+  description 'The LLVM Project is a collection of modular and reusable compiler and toolchain technologies. The optional packages clang, lld, lldb, polly, compiler-rt, libcxx, libcxxabi and openmp are included.'
   homepage 'http://llvm.org/'
-  version '6.0.0-1'
-  source_url 'https://llvm.org/releases/6.0.0/llvm-6.0.0.src.tar.xz'
-  source_sha256 '1ff53c915b4e761ef400b803f07261ade637b0c269d99569f18040f3dcee4408'
+  version '7.0.0'
+  source_url 'https://releases.llvm.org/7.0.0/llvm-7.0.0.src.tar.xz'
+  source_sha256 '8bc1f844e6cbde1b652c19c1edebc1864456fd9c78b8c1bea038e51b363fe222'
 
   binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/llvm-6.0.0-1-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/llvm-6.0.0-1-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/llvm-6.0.0-1-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/llvm-6.0.0-1-chromeos-x86_64.tar.xz',
+    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/llvm-7.0.0-chromeos-armv7l.tar.xz',
+     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/llvm-7.0.0-chromeos-armv7l.tar.xz',
+       i686: 'https://dl.bintray.com/chromebrew/chromebrew/llvm-7.0.0-chromeos-i686.tar.xz',
+     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/llvm-7.0.0-chromeos-x86_64.tar.xz',
   })
   binary_sha256 ({
-    aarch64: '4c770487aeaa3c86ae1b3154ca4155111454171b1f82416120f73beb8f0e4ded',
-     armv7l: '4c770487aeaa3c86ae1b3154ca4155111454171b1f82416120f73beb8f0e4ded',
-       i686: 'a2c64fd6d83c91e5ecfaebef5a95e54c6843f9370f4d2ba6b936ca61a3ec205a',
-     x86_64: '99267bc8144bc6359eac2fc9810f0c8c814eadcad06e5d167a542d1639c7f9c0',
+    aarch64: 'dc4fffeb9486455e59cc7f81225fbd5a486840a4bbeac832861fe7c37f61021e',
+     armv7l: 'dc4fffeb9486455e59cc7f81225fbd5a486840a4bbeac832861fe7c37f61021e',
+       i686: '166d984b4b6b43454ecaac5ef02e5848644285e3ea4cd838c97317d0cf2b4767',
+     x86_64: 'a3b35c555da3a1e9fb00032c7b8389ffae613ecf86b942d4b4d568141dfd90ab',
   })
 
   depends_on 'python27' => :build # for test suite
-  depends_on 'icu4c'              # fix uconv.h missing
+  depends_on 'graphviz'
+  depends_on 'libedit'
   depends_on 'libtirpc'
-  
-  
+  depends_on 'sphinx'
+  depends_on 'swig'
+
   def self.preinstall
-    
+
     ############################# Download clang (tools) ###########################################
-    url_clang = 'https://llvm.org/releases/6.0.0/cfe-6.0.0.src.tar.xz'
+    url_clang = 'https://releases.llvm.org/7.0.0/cfe-7.0.0.src.tar.xz'
     uri_clang = URI.parse url_clang
     filename_clang = File.basename(uri_clang.path)
-    sha256sum_clang = 'e07d6dd8d9ef196cfc8e8bb131cbd6a2ed0b1caf1715f9d05b0f0eeaddb6df32'
-    
+    sha256sum_clang = '550212711c752697d2f82c648714a7221b1207fd9441543ff4aa9e3be45bba55'
+
     if File.exist?(filename_clang) && Digest::SHA256.hexdigest( File.read("./#{filename_clang}") ) == sha256sum_clang
-      puts "Clang source code exists and perform unpacking".yellow
+      puts "Unpacking clang source code".yellow
     else
       puts "Downloading clang".yellow
       system('curl', '-s', '-C', '-', '--insecure', '-L', '-#', url_clang, '-o', filename_clang)
@@ -42,20 +44,20 @@ class Llvm < Package
         Digest::SHA256.hexdigest( File.read("./#{filename_clang}") ) == sha256sum_clang
       puts "Clang archive downloaded".lightgreen
     end
-    
-    system "tar", "xf", "cfe-6.0.0.src.tar.xz", "-C", "tools"
+
+    system "tar", "xf", "cfe-7.0.0.src.tar.xz", "-C", "tools"
     puts "Clang source code unpacked".lightgreen
     system "rm -rf tools/clang"  # remove possible existing folder
-    system "mv -v tools/cfe-6.0.0.src tools/clang"
+    system "mv -v tools/cfe-7.0.0.src tools/clang"
 
     ############################# Download lld (tools) ###########################################
-    url_lld = 'https://releases.llvm.org/6.0.0/lld-6.0.0.src.tar.xz'
+    url_lld = 'https://releases.llvm.org/7.0.0/lld-7.0.0.src.tar.xz'
     uri_lld = URI.parse url_lld
     filename_lld = File.basename(uri_lld.path)
-    sha256sum_lld = '6b8c4a833cf30230c0213d78dbac01af21387b298225de90ab56032ca79c0e0b'
+    sha256sum_lld = 'fbcf47c5e543f4cdac6bb9bbbc6327ff24217cd7eafc5571549ad6d237287f9c'
 
     if File.exist?(filename_lld) && Digest::SHA256.hexdigest( File.read("./#{filename_lld}") ) == sha256sum_lld
-      puts "Lld source code exists and perform unpacking".yellow
+      puts "Unpacking lld source code".yellow
     else
       puts "Downloading lld".yellow
       system('curl', '-s', '-C', '-', '--insecure', '-L', '-#', url_lld, '-o', filename_lld)
@@ -63,46 +65,67 @@ class Llvm < Package
         Digest::SHA256.hexdigest( File.read("./#{filename_lld}") ) == sha256sum_lld
       puts "Lld archive downloaded".lightgreen
     end
-    
-    system "tar", "xf", "lld-6.0.0.src.tar.xz", "-C", "tools"
+
+    system "tar", "xf", "lld-7.0.0.src.tar.xz", "-C", "tools"
     puts "Lld source code unpacked".lightgreen
     system "rm -rf tools/lld"
-    system "mv -v tools/lld-6.0.0.src tools/lld"
-    
+    system "mv -v tools/lld-7.0.0.src tools/lld"
+
+    ############################# Download lldb (tools) ###########################################
+    url_lldb = 'https://releases.llvm.org/7.0.0/lldb-7.0.0.src.tar.xz'
+    uri_lldb = URI.parse url_lldb
+    filename_lldb = File.basename(uri_lldb.path)
+    sha256sum_lldb = '7ff6d8fee49977d25b3b69be7d22937b92592c7609cf283ed0dcf9e5cd80aa32'
+
+    if File.exist?(filename_lldb) && Digest::SHA256.hexdigest( File.read("./#{filename_lldb}") ) == sha256sum_lldb
+      puts "Unpacking lldb source code".yellow
+    else
+      puts "Downloading lldb".yellow
+      system('curl', '-s', '-C', '-', '--insecure', '-L', '-#', url_lldb, '-o', filename_lldb)
+      abort 'Checksum mismatch. :/ Try again.'.lightred unless
+        Digest::SHA256.hexdigest( File.read("./#{filename_lldb}") ) == sha256sum_lldb
+      puts "Lldb archive downloaded".lightgreen
+    end
+
+    system "tar", "xf", "lldb-7.0.0.src.tar.xz", "-C", "tools"
+    puts "Lldb source code unpacked".lightgreen
+    system "rm -rf tools/lldb"
+    system "mv -v tools/lldb-7.0.0.src tools/lldb"
+
     ############################# Download polly (tools) ###########################################
-    url_polly = 'https://releases.llvm.org/6.0.0/polly-6.0.0.src.tar.xz'
+    url_polly = 'https://releases.llvm.org/7.0.0/polly-7.0.0.src.tar.xz'
     uri_polly = URI.parse url_polly
     filename_polly = File.basename(uri_polly.path)
-    sha256sum_polly = '47e493a799dca35bc68ca2ceaeed27c5ca09b12241f87f7220b5f5882194f59c'
+    sha256sum_polly = '919810d3249f4ae79d084746b9527367df18412f30fe039addbf941861c8534b'
 
     if File.exist?(filename_polly) && Digest::SHA256.hexdigest( File.read("./#{filename_polly}") ) == sha256sum_polly
-      puts "Polly source code exists and perform unpacking".yellow
+      puts "Unpacking polly source code".yellow
     else
       puts "Downloading polly".yellow
       system('curl', '-s', '-C', '-', '--insecure', '-L', '-#', url_polly, '-o', filename_polly)
       abort 'Checksum mismatch. :/ Try again.'.lightred unless
         Digest::SHA256.hexdigest( File.read("./#{filename_polly}") ) == sha256sum_polly
       puts "Polly archive downloaded".lightgreen
-   end
-    
-    system "tar", "xf", "polly-6.0.0.src.tar.xz", "-C", "tools"
+    end
+
+    system "tar", "xf", "polly-7.0.0.src.tar.xz", "-C", "tools"
     puts "Polly source code unpacked".lightgreen
     system "rm -rf tools/polly"
-    system "mv -v tools/polly-6.0.0.src tools/polly"
+    system "mv -v tools/polly-7.0.0.src tools/polly"
 
     #  Due to compilation error, extra clang tools are not included.
     ############################## Download extra clang tools (tools) ###########################################
-    #url_extra_tools = 'https://releases.llvm.org/6.0.0/clang-tools-extra-6.0.0.src.tar.xz'
+    #url_extra_tools = 'https://releases.llvm.org/7.0.0/clang-tools-extra-7.0.0.src.tar.xz'
     #uri_extra_tools = URI.parse url_extra_tools
     #filename_extra_tools = File.basename(uri_extra_tools.path)
-    #sha256sum_extra_tools = '053b424a4cd34c9335d8918734dd802a8da612d13a26bbb88fcdf524b2d989d2'
+    #sha256sum_extra_tools = '937c5a8c8c43bc185e4805144744799e524059cac877a44d9063926cd7a19dbe'
 
     #if File.exist?(filename_extra_tools) && Digest::SHA256.hexdigest( File.read("./#{filename_extra_tools}") ) == sha256sum_extra_tools
-    #  puts "Extra_tools source code exists and perform unpacking".yellow
-    #  system "tar", "xf", "clang-tools-extra-6.0.0.src.tar.xz", "-C", "tools"
+    #  puts "Unpacking extra_tools source code".yellow
+    #  system "tar", "xf", "clang-tools-extra-7.0.0.src.tar.xz", "-C", "tools"
     #  puts "Polly source code unpacked".lightgreen
     #  system "rm -rf tools/extra"
-    #  system "mv -v tools/clang-tools-extra-6.0.0.src tools/extra"
+    #  system "mv -v tools/clang-tools-extra-7.0.0.src tools/extra"
     #else
     #  puts "Downloading extra_tools".yellow
     #  system('curl', '-s', '-C', '-', '--insecure', '-L', '-#', url_extra_tools, '-o', filename_extra_tools)
@@ -110,19 +133,19 @@ class Llvm < Package
     #    Digest::SHA256.hexdigest( File.read("./#{filename_extra_tools}") ) == sha256sum_extra_tools
     #  puts "Clang extra tools archive downloaded".lightgreen
     #
-    #  system "tar", "xf", "clang-tools-extra-6.0.0.src.tar.xz", "-C", "tools"
+    #  system "tar", "xf", "clang-tools-extra-7.0.0.src.tar.xz", "-C", "tools"
     #  puts "Clang extra tools source code unpacked".lightgreen
-    #  system "mv -v tools/clang-tools-extra-6.0.0.src tools/extra"
+    #  system "mv -v tools/clang-tools-extra-7.0.0.src tools/extra"
     #end
 
     ############################# Download compiler-rt (projects) ####################################
-    url_compiler_rt = 'https://releases.llvm.org/6.0.0/compiler-rt-6.0.0.src.tar.xz'
+    url_compiler_rt = 'https://releases.llvm.org/7.0.0/compiler-rt-7.0.0.src.tar.xz'
     uri_compiler_rt = URI.parse url_compiler_rt
     filename_compiler_rt = File.basename(uri_compiler_rt.path)
-    sha256sum_compiler_rt = 'd0cc1342cf57e9a8d52f5498da47a3b28d24ac0d39cbc92308781b3ee0cea79a'
+    sha256sum_compiler_rt = 'bdec7fe3cf2c85f55656c07dfb0bd93ae46f2b3dd8f33ff3ad6e7586f4c670d6'
 
     if File.exist?(filename_compiler_rt) && Digest::SHA256.hexdigest( File.read("./#{filename_compiler_rt}") ) == sha256sum_compiler_rt
-      puts "Compiler-rt source code exists and perform unpacking".yellow
+      puts "Unpacking compiler-rt source code".yellow
     else
       puts "Downloading compiler-rt".yellow
       system('curl', '-s', '-C', '-', '--insecure', '-L', '-#', url_compiler_rt, '-o', filename_compiler_rt)
@@ -130,20 +153,20 @@ class Llvm < Package
         Digest::SHA256.hexdigest( File.read("./#{filename_compiler_rt}") ) == sha256sum_compiler_rt
       puts "Compiler-rt archive downloaded".lightgreen
     end
-    
-    system "tar", "xf", "compiler-rt-6.0.0.src.tar.xz", "-C", "projects"
+
+    system "tar", "xf", "compiler-rt-7.0.0.src.tar.xz", "-C", "projects"
     puts "Compiler-rt source code unpacked".lightgreen
     system "rm -rf projects/compiler-rt"
-    system "mv -v projects/compiler-rt-6.0.0.src projects/compiler-rt"    
-    
+    system "mv -v projects/compiler-rt-7.0.0.src projects/compiler-rt"
+
     ############################# Download libcxx (procjects) ####################################
-    url_libcxx = 'https://releases.llvm.org/6.0.0/libcxx-6.0.0.src.tar.xz'
+    url_libcxx = 'https://releases.llvm.org/7.0.0/libcxx-7.0.0.src.tar.xz'
     uri_libcxx = URI.parse url_libcxx
     filename_libcxx = File.basename(uri_libcxx.path)
-    sha256sum_libcxx = '70931a87bde9d358af6cb7869e7535ec6b015f7e6df64def6d2ecdd954040dd9'
+    sha256sum_libcxx = '9b342625ba2f4e65b52764ab2061e116c0337db2179c6bce7f9a0d70c52134f0'
 
     if File.exist?(filename_libcxx) && Digest::SHA256.hexdigest( File.read("./#{filename_libcxx}") ) == sha256sum_libcxx
-      puts "Libcxx source code exists and perform unpacking".yellow
+      puts "Unpacking libcxx source code".yellow
     else
       puts "Downloading libcxx".yellow
       system('curl', '-s', '-C', '-', '--insecure', '-L', '-#', url_libcxx, '-o', filename_libcxx)
@@ -151,20 +174,20 @@ class Llvm < Package
         Digest::SHA256.hexdigest( File.read("./#{filename_libcxx}") ) == sha256sum_libcxx
       puts "Libcxx archive downloaded".lightgreen
     end
-    
-    system "tar", "xf", "libcxx-6.0.0.src.tar.xz", "-C", "projects"
+
+    system "tar", "xf", "libcxx-7.0.0.src.tar.xz", "-C", "projects"
     puts "Libcxx source code unpacked".lightgreen
     system "rm -rf projects/libcxx"
-    system "mv -v projects/libcxx-6.0.0.src projects/libcxx"
+    system "mv -v projects/libcxx-7.0.0.src projects/libcxx"
 
     ############################# Download libcxxabi (procjects) ####################################
-    url_libcxxabi = 'https://releases.llvm.org/6.0.0/libcxxabi-6.0.0.src.tar.xz'
+    url_libcxxabi = 'https://releases.llvm.org/7.0.0/libcxxabi-7.0.0.src.tar.xz'
     uri_libcxxabi = URI.parse url_libcxxabi
     filename_libcxxabi = File.basename(uri_libcxxabi.path)
-    sha256sum_libcxxabi = '91c6d9c5426306ce28d0627d6a4448e7d164d6a3f64b01cb1d196003b16d641b'
+    sha256sum_libcxxabi = '9b45c759ff397512eae4d938ff82827b1bd7ccba49920777e5b5e460baeb245f'
 
     if File.exist?(filename_libcxxabi) && Digest::SHA256.hexdigest( File.read("./#{filename_libcxxabi}") ) == sha256sum_libcxxabi
-      puts "Libcxxabi source code exists and perform unpacking".yellow
+      puts "Unpacking libcxxabi source code".yellow
     else
       puts "Downloading libcxxabi".yellow
       system('curl', '-s', '-C', '-', '--insecure', '-L', '-#', url_libcxxabi, '-o', filename_libcxxabi)
@@ -172,20 +195,20 @@ class Llvm < Package
         Digest::SHA256.hexdigest( File.read("./#{filename_libcxxabi}") ) == sha256sum_libcxxabi
       puts "Libcxxabi archive downloaded".lightgreen
     end
-    
-    system "tar", "xf", "libcxxabi-6.0.0.src.tar.xz", "-C", "projects"
+
+    system "tar", "xf", "libcxxabi-7.0.0.src.tar.xz", "-C", "projects"
     puts "Libcxxabi source code unpacked".lightgreen
     system "rm -rf projects/libcxxabi"
-    system "mv -v projects/libcxxabi-6.0.0.src projects/libcxxabi"
-    
+    system "mv -v projects/libcxxabi-7.0.0.src projects/libcxxabi"
+
     ############################# Download libomp (procjects) ####################################
-    url_openmp = 'https://releases.llvm.org/6.0.0/openmp-6.0.0.src.tar.xz'
+    url_openmp = 'https://releases.llvm.org/7.0.0/openmp-7.0.0.src.tar.xz'
     uri_openmp = URI.parse url_openmp
     filename_openmp = File.basename(uri_openmp.path)
-    sha256sum_openmp = '7c0e050d5f7da3b057579fb3ea79ed7dc657c765011b402eb5bbe5663a7c38fc'
+    sha256sum_openmp = '30662b632f5556c59ee9215c1309f61de50b3ea8e89dcc28ba9a9494bba238ff'
 
     if File.exist?(filename_openmp) && Digest::SHA256.hexdigest( File.read("./#{filename_openmp}") ) == sha256sum_openmp
-      puts "Openmp source code exists and perform unpacking".yellow
+      puts "Unpacking openmp source code".yellow
     else
       puts "Downloading openmp".yellow
       system('curl', '-s', '-C', '-', '--insecure', '-L', '-#', url_openmp, '-o', filename_openmp)
@@ -193,20 +216,20 @@ class Llvm < Package
         Digest::SHA256.hexdigest( File.read("./#{filename_openmp}") ) == sha256sum_openmp
       puts "Openmp archive downloaded".lightgreen
     end
- 
-    system "tar", "xf", "openmp-6.0.0.src.tar.xz", "-C", "projects"
+
+    system "tar", "xf", "openmp-7.0.0.src.tar.xz", "-C", "projects"
     puts "Openmp source code unpacked".lightgreen
     system "rm -rf projects/openmp"
-    system "mv -v projects/openmp-6.0.0.src projects/openmp"
-    
+    system "mv -v projects/openmp-7.0.0.src projects/openmp"
+
     ############################# Download libunwind (procjects) ####################################
-    url_libunwind = 'https://releases.llvm.org/6.0.0/libunwind-6.0.0.src.tar.xz'
+    url_libunwind = 'https://releases.llvm.org/7.0.0/libunwind-7.0.0.src.tar.xz'
     uri_libunwind = URI.parse url_libunwind
     filename_libunwind = File.basename(uri_libunwind.path)
-    sha256sum_libunwind = '256c4ed971191bde42208386c8d39e5143fa4afd098e03bd2c140c878c63f1d6'
+    sha256sum_libunwind = '50aee87717421e70450f1e093c6cd9a27f2b111025e1e08d64d5ace36e338a9c'
 
     if File.exist?(filename_libunwind) && Digest::SHA256.hexdigest( File.read("./#{filename_libunwind}") ) == sha256sum_libunwind
-      puts "Libunwind source code exists and perform unpacking".yellow
+      puts "Unpacking libunwind source code".yellow
     else
       puts "Downloading libunwind".yellow
       system('curl', '-s', '-C', '-', '--insecure', '-L', '-#', url_libunwind, '-o', filename_libunwind)
@@ -214,20 +237,20 @@ class Llvm < Package
         Digest::SHA256.hexdigest( File.read("./#{filename_libunwind}") ) == sha256sum_libunwind
       puts "Libunwind archive downloaded".lightgreen
     end
- 
-    system "tar", "xf", "libunwind-6.0.0.src.tar.xz", "-C", "projects"
+
+    system "tar", "xf", "libunwind-7.0.0.src.tar.xz", "-C", "projects"
     puts "Libunwind source code unpacked".lightgreen
     system "rm -rf projects/libunwind"
-    system "mv -v projects/libunwind-6.0.0.src projects/libunwind"
-  
-     ############################# Download test-suite (procjects) ####################################
-    #url_testsuite = 'https://releases.llvm.org/6.0.0/test-suite-6.0.0.src.tar.xz'
+    system "mv -v projects/libunwind-7.0.0.src projects/libunwind"
+
+    ############################# Download test-suite (procjects) ####################################
+    #url_testsuite = 'https://releases.llvm.org/7.0.0/test-suite-7.0.0.src.tar.xz'
     #uri_testsuite = URI.parse url_testsuite
     #filename_testsuite = File.basename(uri_testsuite.path)
-    #sha256sum_testsuite = '74e0055efa27b2143415148ee93b817155e6333337d9cadd4cc5d468ad3c0edf'
+    #sha256sum_testsuite = '97f0dc3fe4ad3613218115e914096e82b38c9aa865d5e3fbc8bd6b82ca7ee343'
 
     #if File.exist?(filename_testsuite) && Digest::SHA256.hexdigest( File.read("./#{filename_testsuite}") ) == sha256sum_testsuite
-    #  puts "Test-suite source code exists and perform unpacking".yellow
+    #  puts "Unpacking test-suite source code".yellow
     #else
     #  puts "Downloading test suite".yellow
     #  system('curl', '-s', '-C', '-', '--insecure', '-L', '-#', url_testsuite, '-o', filename_testsuite)
@@ -235,24 +258,34 @@ class Llvm < Package
     #    Digest::SHA256.hexdigest( File.read("./#{filename_testsuite}") ) == sha256sum_testsuite
     #  puts "Test-suite archive downloaded".lightgreen
     #end
-    
-    #  system "tar", "xf", "test-suite-6.0.0.src.tar.xz", "-C", "projects"
+
+    #  system "tar", "xf", "test-suite-7.0.0.src.tar.xz", "-C", "projects"
     #  puts "Test-suite source code unpacked".lightgreen
     #  system "rm -rf projects/test-suite"
-    #  system "mv -v projects/test-suite-6.0.0.src projects/test-suite"   
-    
+    #  system "mv -v projects/test-suite-7.0.0.src projects/test-suite"
+
     ############################################################
     puts "Optional packages are ready".lightgreen
     ############################################################
-    
+
   end
-  
+
   def self.build
-    system "mkdir -p builddir"
-    Dir.chdir("builddir") do
+    gcc_ver = '7.3.0'
+    Dir.mkdir 'builddir'
+    Dir.chdir 'builddir' do
       case ARCH
       when "x86_64"
+        system "echo '#!/bin/bash
+gnuc_lib=#{CREW_LIB_PREFIX}/gcc/x86_64-cros-linux-gnu/#{gcc_ver}
+clang -B \${gnuc_lib} -L \${gnuc_lib} \"\$@\"' > clc"
+        system "echo '#!/bin/bash
+cxx_sys=#{CREW_PREFIX}/include/c++/#{gcc_ver}
+cxx_inc=#{CREW_PREFIX}/include/c++/#{gcc_ver}/x86_64-cros-linux-gnu
+gnuc_lib=#{CREW_PREFIX}/lib/gcc/x86_64-cros-linux-gnu/#{gcc_ver}
+clang++ -cxx-isystem \${cxx_sys} -I \${cxx_inc} -B \${gnuc_lib} -L \${gnuc_lib} \"\$@\"' > clc++"
         system "cmake",
+               "-DCURSES_INCLUDE_PATH='#{CREW_PREFIX}/include/ncursesw'",
                "-DCMAKE_INSTALL_PREFIX=#{CREW_PREFIX}",
                "-DLLVM_LIBDIR_SUFFIX=64",
                "-DBUILD_SHARED_LIBS=ON",
@@ -260,29 +293,52 @@ class Llvm < Package
                "-DLLVM_TARGETS_TO_BUILD=host;AMDGPU",
                "-Wno-dev",
                ".."
+               # Fix for file INSTALL cannot find ".../lib64/python2.7" error.
+               # See http://lists.llvm.org/pipermail/lldb-dev/2015-June/007633.html.
+               system "sed -i '40,43d' tools/lldb/scripts/cmake_install.cmake"
       when "i686"
+        system "echo '#!/bin/bash
+gnuc_lib=#{CREW_LIB_PREFIX}/gcc/i686-cros-linux-gnu/#{gcc_ver}
+clang -B \${gnuc_lib} -L \${gnuc_lib} \"\$@\"' > clc"
+        system "echo '#!/bin/bash
+cxx_sys=#{CREW_PREFIX}/include/c++/#{gcc_ver}
+cxx_inc=#{CREW_PREFIX}/include/c++/#{gcc_ver}/i686-cros-linux-gnu
+gnuc_lib=#{CREW_PREFIX}/lib/gcc/i686-cros-linux-gnu/#{gcc_ver}
+clang++ -cxx-isystem \${cxx_sys} -I \${cxx_inc} -B \${gnuc_lib} -L \${gnuc_lib} \"\$@\"' > clc++"
         system "cmake",
+               "-DCURSES_INCLUDE_PATH='#{CREW_PREFIX}/include/ncursesw'",
                "-DCMAKE_INSTALL_PREFIX=#{CREW_PREFIX}",
                "-DBUILD_SHARED_LIBS=ON",
                "-DCMAKE_BUILD_TYPE=Release",
-               "-DLLVM_TARGETS_TO_BUILD=host;AMDGPU",
+               "-DLLVM_TARGETS_TO_BUILD=host;X86",
                "-Wno-dev",
                ".."
       else # armv7l or aarch64
+        system "echo '#!/bin/bash
+gnuc_lib=#{CREW_LIB_PREFIX}/gcc/armv7l-cros-linux-gnueabihf/#{gcc_ver}
+clang -B \${gnuc_lib} -L \${gnuc_lib} \"\$@\"' > clc"
+        system "echo '#!/bin/bash
+cxx_sys=#{CREW_PREFIX}/include/c++/#{gcc_ver}
+cxx_inc=#{CREW_PREFIX}/include/c++/#{gcc_ver}/armv7l-cros-linux-gnueabihf
+gnuc_lib=#{CREW_PREFIX}/lib/gcc/armv7l-cros-linux-gnueabihf/#{gcc_ver}
+clang++ -cxx-isystem \${cxx_sys} -I \${cxx_inc} -B \${gnuc_lib} -L \${gnuc_lib} \"\$@\"' > clc++"
         system "cmake",
+               "-DCURSES_INCLUDE_PATH='#{CREW_PREFIX}/include/ncursesw'",
                "-DCMAKE_INSTALL_PREFIX=#{CREW_PREFIX}",
                "-DBUILD_SHARED_LIBS=ON",
                "-DCMAKE_BUILD_TYPE=Release",
-               "-DLLVM_TARGETS_TO_BUILD=host",
+               "-DLLVM_TARGETS_TO_BUILD=host;ARM",
                "-Wno-dev",
                ".."
       end
-      system "make"
+      system 'make'
     end
   end
 
   def self.install
     Dir.chdir("builddir") do
+      system "install -Dm755 clc #{CREW_DEST_PREFIX}/bin/clc"
+      system "install -Dm755 clc++ #{CREW_DEST_PREFIX}/bin/clc++"
       system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
     end
   end
@@ -294,4 +350,15 @@ class Llvm < Package
   #    system "make -k -j#{CREW_NPROC} check-lld"
   #  end
   #end
+
+  def self.postinstall
+    puts
+    puts "To compile programs, use 'clang' or 'clang++'.".lightblue
+    puts
+    puts "To avoid the repeated use of switch options,".lightblue
+    puts "try the wrapper scripts 'clc' or 'clc++'.".lightblue
+    puts
+    puts "For more information, see http://llvm.org/pubs/2008-10-04-ACAT-LLVM-Intro.pdf".lightblue
+    puts
+  end
 end