build: fix arm64 host cross-compilation in GN

Should use `current_cpu` instead of `target_cpu` in GN build files, otherwise the host build may use wrong configs when doing cross compilation. PR-URL: #51903 Reviewed-By: Michaël Zasso <[email protected]> Reviewed-By: Luigi Pinca <[email protected]>

Author: zcbenz

deps/base64/unofficial.gni

@@ -19,7 +19,7 @@ template("base64_gn_build"){
  } else{
 defines= []
  }
-if (target_cpu=="x86"||target_cpu=="x64"){
+if (current_cpu=="x86"||current_cpu=="x64"){
 defines+= [
 "HAVE_SSSE3=1",
 "HAVE_SSE41=1",
@@ -29,10 +29,10 @@ template("base64_gn_build"){
 "HAVE_AVX512=1",
  ]
  }
-if (target_cpu=="arm"){
+if (current_cpu=="arm"){
 defines+= [ "HAVE_NEON32=1" ]
  }
-if (target_cpu=="arm64"){
+if (current_cpu=="arm64"){
 defines+= [ "HAVE_NEON64=1" ]
  }
 if (is_clang||!is_win){
@@ -69,7 +69,7 @@ template("base64_gn_build"){
 source_set("base64_ssse3"){
 configs+= [ ":base64_internal_config" ]
 sources= [ "base64/lib/arch/ssse3/codec.c" ]
-if (target_cpu=="x86"||target_cpu=="x64"){
+if (current_cpu=="x86"||current_cpu=="x64"){
 if (is_clang||!is_win){
 cflags_c= [ "-mssse3" ]
  }
@@ -79,7 +79,7 @@ template("base64_gn_build"){
 source_set("base64_sse41"){
 configs+= [ ":base64_internal_config" ]
 sources= [ "base64/lib/arch/sse41/codec.c" ]
-if (target_cpu=="x86"||target_cpu=="x64"){
+if (current_cpu=="x86"||current_cpu=="x64"){
 if (is_clang||!is_win){
 cflags_c= [ "-msse4.1" ]
  }
@@ -89,7 +89,7 @@ template("base64_gn_build"){
 source_set("base64_sse42"){
 configs+= [ ":base64_internal_config" ]
 sources= [ "base64/lib/arch/sse42/codec.c" ]
-if (target_cpu=="x86"||target_cpu=="x64"){
+if (current_cpu=="x86"||current_cpu=="x64"){
 if (is_clang||!is_win){
 cflags_c= [ "-msse4.2" ]
  }
@@ -99,7 +99,7 @@ template("base64_gn_build"){
 source_set("base64_avx"){
 configs+= [ ":base64_internal_config" ]
 sources= [ "base64/lib/arch/avx/codec.c" ]
-if (target_cpu=="x86"||target_cpu=="x64"){
+if (current_cpu=="x86"||current_cpu=="x64"){
 if (is_clang||!is_win){
 cflags_c= [ "-mavx" ]
  } elseif (is_win){
@@ -111,7 +111,7 @@ template("base64_gn_build"){
 source_set("base64_avx2"){
 configs+= [ ":base64_internal_config" ]
 sources= [ "base64/lib/arch/avx2/codec.c" ]
-if (target_cpu=="x86"||target_cpu=="x64"){
+if (current_cpu=="x86"||current_cpu=="x64"){
 if (is_clang||!is_win){
 cflags_c= [ "-mavx2" ]
  } elseif (is_win){
@@ -123,7 +123,7 @@ template("base64_gn_build"){
 source_set("base64_avx512"){
 configs+= [ ":base64_internal_config" ]
 sources= [ "base64/lib/arch/avx512/codec.c" ]
-if (target_cpu=="x86"||target_cpu=="x64"){
+if (current_cpu=="x86"||current_cpu=="x64"){
 if (is_clang||!is_win){
 cflags_c= [
 "-mavx512vl",
@@ -138,7 +138,7 @@ template("base64_gn_build"){
 source_set("base64_neon32"){
 configs+= [ ":base64_internal_config" ]
 sources= [ "base64/lib/arch/neon32/codec.c" ]
-if (target_cpu=="arm"){
+if (current_cpu=="arm"){
 if (is_clang||!is_win){
 cflags_c= [ "-mfpu=neon" ]
  }

deps/openssl/unofficial.gni

@@ -95,29 +95,29 @@ template("openssl_gn_build"){
 
 config_path_name=""
 if (is_win){
-if (target_cpu=="x86"){
+if (current_cpu=="x86"){
 config_path_name="VC-WIN32"
- } elseif (target_cpu=="x64"){
+ } elseif (current_cpu=="x64"){
 config_path_name="VC-WIN64A"
- } elseif (target_cpu=="arm64"){
+ } elseif (current_cpu=="arm64"){
 config_path_name="VC-WIN64-ARM"
  }
  } elseif (is_linux){
-if (target_cpu=="x86"){
+if (current_cpu=="x86"){
 config_path_name="linux-elf"
- } elseif (target_cpu=="x64"){
+ } elseif (current_cpu=="x64"){
 config_path_name="linux-x86_64"
- } elseif (target_cpu=="arm"){
+ } elseif (current_cpu=="arm"){
 config_path_name="linux-armv4"
- } elseif (target_cpu=="arm64"){
+ } elseif (current_cpu=="arm64"){
 config_path_name="linux-aarch64"
  }
  } elseif (is_apple){
-if (target_cpu=="x86"){
+if (current_cpu=="x86"){
 config_path_name="darwin-i386-cc"
- } elseif (target_cpu=="x64"){
+ } elseif (current_cpu=="x64"){
 config_path_name="darwin64-x86_64-cc"
- } elseif (target_cpu=="arm64"){
+ } elseif (current_cpu=="arm64"){
 config_path_name="darwin64-arm64-cc"
  }
  }
@@ -132,7 +132,7 @@ template("openssl_gn_build"){
 # TODO(zcbenz): Check gas_version and nasm_version.
 asm_name="asm_avx2"
  }
-if (is_win&&target_cpu=="arm64"){
+if (is_win&&current_cpu=="arm64"){
 asm_name="no-asm"
  }
 config_path="config/archs/"+ config_path_name +"/"+ asm_name

node.gni

@@ -54,8 +54,10 @@ declare_args(){
 node_use_node_code_cache=host_os==target_os&&host_cpu==target_cpu
 
 # Use snapshot to speed up startup.
-# TODO(zcbenz): node_mksnapshot is not ready for cross-os compilation.
-node_use_node_snapshot=host_os==target_os
+# TODO(zcbenz): There are few broken things for now:
+# 1. cross-os compilation is not supported.
+# 2. node_mksnapshot crashes when cross-compiling for x64 from arm64.
+node_use_node_snapshot= (host_os==target_os) &&!(host_cpu=="arm64"&&target_cpu=="x64")
 }
 
 assert(!node_enable_inspector||node_use_openssl,

unofficial.gni

@@ -82,10 +82,10 @@ template("node_gn_build"){
 "-Wno-unused-function",
  ]
 
-if (target_cpu=="x86"){
+if (current_cpu=="x86"){
 node_arch="ia32"
  } else{
-node_arch=target_cpu
+node_arch=current_cpu
  }
 if (target_os=="win"){
 node_platform="win32"