Break GN targets apart by library

generate_gypi.sh

 #!/bin/bash -e
 #
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # This script is used to generate .gypi, .gni files and files in the
 # config/platform directories needed to build libvpx.
 # Every time libvpx source code is updated just run this script.
 #
@@ skipping 231 matching lines @@
 
   write_gypi source_list "$BASE_DIR/$2.gypi"
 
   # All the files are in a single "element." Check if the first element has
   # length 0.
   if [ 0 -ne ${#intrinsic_list} ]; then
     write_intrinsics_gypi intrinsic_list[@] "$BASE_DIR/$2_intrinsics.gypi"
   fi
 
   # Write a single .gni file that includes all source files for all archs.
-  if [ 0 -ne ${#x86_list} ]; then
-    local c_sources=$(echo "$source_list" | egrep '.(c|h)$')
-    local assembly_sources=$(echo "$source_list" | egrep '.asm$')
-    local mmx_sources=$(echo "$intrinsic_list" | grep '_mmx\.c$')
-    local sse2_sources=$(echo "$intrinsic_list" | grep '_sse2\.c$')
-    local sse3_sources=$(echo "$intrinsic_list" | grep '_sse3\.c$')
-    local ssse3_sources=$(echo "$intrinsic_list" | grep '_ssse3\.c$')
-    local sse4_1_sources=$(echo "$intrinsic_list" | grep '_sse4\.c$')
-    local avx_sources=$(echo "$intrinsic_list" | grep '_avx\.c$')
-    local avx2_sources=$(echo "$intrinsic_list" | grep '_avx2\.c$')
+  # First all the non-specific files not found in vp8, vp9, or vpx_dsp
+  local c_sources=$(echo "$source_list" | \
+    egrep -v "^vp(8|9|x_dsp)" | \
+    egrep ".(c|h)$")
+  local assembly_sources=$(echo "$source_list" | \
+    egrep -v "^vp(8|9|x_dsp)" | \
+    egrep ".asm$")
+  write_gni c_sources $2 "$BASE_DIR/libvpx_srcs.gni"
+  write_gni assembly_sources $2_assembly "$BASE_DIR/libvpx_srcs.gni"
 
-    write_gni c_sources $2 "$BASE_DIR/libvpx_srcs.gni"
-    write_gni assembly_sources $2_assembly "$BASE_DIR/libvpx_srcs.gni"
-    write_gni mmx_sources $2_mmx "$BASE_DIR/libvpx_srcs.gni"
-    write_gni sse2_sources $2_sse2 "$BASE_DIR/libvpx_srcs.gni"
-    write_gni sse3_sources $2_sse3 "$BASE_DIR/libvpx_srcs.gni"
-    write_gni ssse3_sources $2_ssse3 "$BASE_DIR/libvpx_srcs.gni"
-    write_gni sse4_1_sources $2_sse4_1 "$BASE_DIR/libvpx_srcs.gni"
-    write_gni avx_sources $2_avx "$BASE_DIR/libvpx_srcs.gni"
-    write_gni avx2_sources $2_avx2 "$BASE_DIR/libvpx_srcs.gni"
-  else
-    local c_sources=$(echo "$source_list" | egrep '.(c|h)$')
-    local assembly_sources=$(echo -e "$source_list\n$intrinsic_list" | \
-      egrep '.asm$')
-    local neon_sources=$(echo "$intrinsic_list" | grep '_neon\.c$')
-    write_gni c_sources $2 "$BASE_DIR/libvpx_srcs.gni"
-    write_gni assembly_sources $2_assembly "$BASE_DIR/libvpx_srcs.gni"
-    if [ 0 -ne ${#neon_sources} ]; then
-      write_gni neon_sources $2_neon "$BASE_DIR/libvpx_srcs.gni"
+  # Break out the remaining files by specific targets. GN does not
+  # disambiguate by path so this is the only way to avoid name conflicts.
+  for library in vp8 vp9 vpx_dsp; do
+    if [ 0 -ne ${#x86_list} ]; then
+      local c_sources=$(echo "$source_list" | egrep "^${library}.+.(c|h)$")
+      local assembly_sources=$(echo "$source_list" | egrep "^${library}.+.asm$")
+      local mmx_sources=$(echo "$intrinsic_list" | egrep "^${library}.+_mmx\.c$")
+      local sse2_sources=$(echo "$intrinsic_list" | egrep "^${library}.+_sse2\.c$")
+      local sse3_sources=$(echo "$intrinsic_list" | egrep "^${library}.+_sse3\.c$")
+      local ssse3_sources=$(echo "$intrinsic_list" | egrep "^${library}.+_ssse3\.c$")
+      local sse4_1_sources=$(echo "$intrinsic_list" | egrep "^${library}.+_sse4\.c$")
+      local avx_sources=$(echo "$intrinsic_list" | egrep "^${library}.+_avx\.c$")
+      local avx2_sources=$(echo "$intrinsic_list" | egrep "^${library}.+_avx2\.c$")
+
+      write_gni c_sources ${library}_$2 "$BASE_DIR/libvpx_srcs.gni"
+      write_gni assembly_sources ${library}_$2_assembly "$BASE_DIR/libvpx_srcs.gni"
+      write_gni mmx_sources ${library}_$2_mmx "$BASE_DIR/libvpx_srcs.gni"
+      write_gni sse2_sources ${library}_$2_sse2 "$BASE_DIR/libvpx_srcs.gni"
+      write_gni sse3_sources ${library}_$2_sse3 "$BASE_DIR/libvpx_srcs.gni"
+      write_gni ssse3_sources ${library}_$2_ssse3 "$BASE_DIR/libvpx_srcs.gni"
+      write_gni sse4_1_sources ${library}_$2_sse4_1 "$BASE_DIR/libvpx_srcs.gni"
+      write_gni avx_sources ${library}_$2_avx "$BASE_DIR/libvpx_srcs.gni"
+      write_gni avx2_sources ${library}_$2_avx2 "$BASE_DIR/libvpx_srcs.gni"
+    else
+      local c_sources=$(echo "$source_list" | egrep "^${library}.+.(c|h)$")
+      local assembly_sources=$(echo -e "$source_list\n$intrinsic_list" | \
+        egrep "^${library}.+.asm$")
+      local neon_sources=$(echo "$intrinsic_list" | egrep "^${library}.+_neon\.c$")
+      write_gni c_sources ${library}_$2 "$BASE_DIR/libvpx_srcs.gni"
+      write_gni assembly_sources ${library}_$2_assembly "$BASE_DIR/libvpx_srcs.gni"
+      if [ 0 -ne ${#neon_sources} ]; then
+        write_gni neon_sources ${library}_$2_neon "$BASE_DIR/libvpx_srcs.gni"
+      fi
     fi
-  fi
+  done
 }
 
 # Clean files from previous make.
 function make_clean {
   make clean > /dev/null
   rm -f libvpx_srcs.txt
 }
 
 # Lint a pair of vpx_config.h and vpx_config.asm to make sure they match.
 # $1 - Header file directory.
@@ skipping 231 matching lines @@
 config=$(print_config_basic linux/generic)
 make_clean
 make libvpx_srcs.txt target=libs $config > /dev/null
 convert_srcs_to_project_files libvpx_srcs.txt libvpx_srcs_generic
 
 echo "Remove temporary directory."
 cd $BASE_DIR
 rm -rf $TEMP_DIR
 
 # TODO(fgalligan): Can we turn on "--enable-realtime-only" for mipsel?