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14 changes: 12 additions & 2 deletions gn/BUILDCONFIG.gn
Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@ declare_args() {

win_vc = ""
win_toolchain_version = ""
win_vcvars_version = ""

clang_win = ""
clang_win_version = ""
Expand Down Expand Up @@ -158,8 +159,17 @@ if (is_win) {
if (win_vc == "") {
win_vc = exec_script("//gn/find_msvc.py", [], "trim string")
}
if (win_vc != "" && win_toolchain_version == "") {
win_toolchain_version = exec_script("//gn/highest_version_dir.py", [ "$win_vc/Tools/MSVC", "[0-9]{2}\.[0-9]{2}\.[0-9]{5}" ], "trim string")
if (win_vc != "") {
if (win_toolchain_version == "") {
if (win_vcvars_version != "") {
win_toolchain_version = exec_script("//gn/highest_version_dir.py", [ "$win_vc/Tools/MSVC", "$win_vcvars_version[0-9]{1}\.[0-9]{5}" ], "trim string")
} else {
win_toolchain_version = exec_script("//gn/highest_version_dir.py", [ "$win_vc/Tools/MSVC", "[0-9]{2}\.[0-9]{2}\.[0-9]{5}" ], "trim string")
}
}
if (win_vcvars_version == "") {
win_vcvars_version = exec_script("//gn/get_vcvars_version.py", [ win_toolchain_version ], "trim string")
}
}
if (win_sdk == "") {
win_sdk = exec_script("//gn/find_winsdk.py", [], "trim string")
Expand Down
9 changes: 9 additions & 0 deletions gn/get_vcvars_version.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,9 @@
#!/usr/bin/env python

from __future__ import print_function

import sys

sdk_version = sys.argv[1]

print(sdk_version[0:4])
2 changes: 1 addition & 1 deletion gn/toolchain/BUILD.gn
Original file line number Diff line number Diff line change
Expand Up @@ -98,7 +98,7 @@ toolchain("msvc") {
if (is_winrt) {
_target += " uwp"
}
_target += " " + win_sdk_version + " -vcvars_ver=14.2"
_target += " " + win_sdk_version + " -vcvars_ver=" + win_vcvars_version

_vcvarsall = "$win_vc/Auxiliary/Build/vcvarsall.bat"
env_setup = "cmd /c set __VSCMD_ARG_NO_LOGO=1 && set VSCMD_START_DIR=%CD% && \"$_vcvarsall\" $_target && "
Expand Down