1 files changed, 106 insertions, 0 deletions
diff --git a/security/nss/coreconf/msvc.sh b/security/nss/coreconf/msvc.sh
new file mode 100644
index 0000000000..a592279c90
--- /dev/null
+++ b/security/nss/coreconf/msvc.sh
@@ -0,0 +1,106 @@
+#!/bin/bash
+# This configures the environment for running MSVC.  It uses vswhere, the
+# registry, and a little knowledge of how MSVC is laid out.
+
+if ! hash vswhere 2>/dev/null; then
+    echo "Can't find vswhere on the path, aborting" 1>&2
+    exit 1
+fi
+
+if ! hash reg 2>/dev/null; then
+    echo "Can't find reg on the path, aborting" 1>&2
+    exit 1
+fi
+
+# Turn a unix-y path into a windows one.
+fixpath() {
+    if hash cygpath 2>/dev/null; then
+        cygpath --unix "$1"
+    else # haxx
+        echo "$1" | sed -e 's,\\,/,g;s,^\(.\):,/\L\1,;s,/$,,'
+    fi
+}
+
+# Query the registry.  This takes $1 and tags that on the end of several
+# different paths, looking for a value called $2 at that location.
+# e.g.,
+#   regquery Microsoft\Microsoft SDKs\Windows\v10.0 ProductVersion
+# looks for a REG_SZ value called ProductVersion at
+#   HKLM\SOFTWARE\Wow6432Node\Microsoft\Microsoft SDKs\Windows\v10.0
+#   HKLU\SOFTWARE\Wow6432Node\Microsoft\Microsoft SDKs\Windows\v10.0
+#   etc...
+regquery() {
+    search=("HKLM\\SOFTWARE\\Wow6432Node" \
+            "HKCU\\SOFTWARE\\Wow6432Node" \
+            "HKLM\\SOFTWARE" \
+            "HKCU\\SOFTWARE")
+    for i in "${search[@]}"; do
+        r=$(reg query "${i}\\${1}" -v "$2" | sed -e 's/ *'"$2"' *REG_SZ *//;t;d')
+        if [ -n "$r" ]; then
+            echo "$r"
+            return 0
+        fi
+    done
+    return 1
+}
+
+VSCOMPONENT=Microsoft.VisualStudio.Component.VC.Tools.x86.x64
+vsinstall=$(vswhere -latest -requires "$VSCOMPONENT" -property installationPath)
+
+# Attempt to setup paths if vswhere returns something and VSPATH isn't set.
+# Otherwise, assume that the env is setup.
+if [[ -n "$vsinstall" && -z "$VSPATH" ]]; then
+
+    case "$target_arch" in
+        ia32) m=x86 ;;
+        x64) m="$target_arch" ;;
+        *)
+            echo "No support for target '$target_arch' with MSVC." 1>&2
+            exit 1
+    esac
+
+    export VSPATH=$(fixpath "$vsinstall")
+    export WINDOWSSDKDIR="${VSPATH}/SDK"
+    export VCINSTALLDIR="${VSPATH}/VC"
+
+    CRTREG="Microsoft\\Microsoft SDKs\\Windows\\v10.0"
+    UniversalCRTSdkDir=$(regquery "$CRTREG" InstallationFolder)
+    UniversalCRTSdkDir=$(fixpath "$UniversalCRTSdkDir")
+    UCRTVersion=$(regquery "$CRTREG" ProductVersion)
+    UCRTVersion=$(cd "${UniversalCRTSdkDir}/include"; ls -d "${UCRTVersion}"* | tail -1)
+
+    VCVER=$(cat "${VCINSTALLDIR}/Auxiliary/Build/Microsoft.VCToolsVersion.default.txt")
+    REDISTVER=$(cat "${VCINSTALLDIR}/Auxiliary/Build/Microsoft.VCRedistVersion.default.txt")
+    export WIN32_REDIST_DIR="${VCINSTALLDIR}/Redist/MSVC/${REDISTVER}/${m}/Microsoft.VC141.CRT"
+    export WIN_UCRT_REDIST_DIR="${UniversalCRTSdkDir}/Redist/ucrt/DLLs/${m}"
+
+    if [ "$m" == "x86" ]; then
+        PATH="${PATH}:${VCINSTALLDIR}/Tools/MSVC/${VCVER}/bin/Hostx64/x64"
+        PATH="${PATH}:${VCINSTALLDIR}/Tools/MSVC/${VCVER}/bin/Hostx64/x86"
+    fi
+    PATH="${PATH}:${VCINSTALLDIR}/Tools/MSVC/${VCVER}/bin/Host${m}/${m}"
+    PATH="${PATH}:${UniversalCRTSdkDir}/bin/${UCRTVersion}/${m}"
+    PATH="${PATH}:${WIN32_REDIST_DIR}"
+    export PATH
+
+    INCLUDE="${VCINSTALLDIR}/Tools/MSVC/${VCVER}/ATLMFC/include"
+    INCLUDE="${INCLUDE}:${VCINSTALLDIR}/Tools/MSVC/${VCVER}/include"
+    INCLUDE="${INCLUDE}:${UniversalCRTSdkDir}/include/${UCRTVersion}/ucrt"
+    INCLUDE="${INCLUDE}:${UniversalCRTSdkDir}/include/${UCRTVersion}/shared"
+    INCLUDE="${INCLUDE}:${UniversalCRTSdkDir}/include/${UCRTVersion}/um"
+    INCLUDE="${INCLUDE}:${UniversalCRTSdkDir}/include/${UCRTVersion}/winrt"
+    INCLUDE="${INCLUDE}:${UniversalCRTSdkDir}/include/${UCRTVersion}/cppwinrt"
+    export INCLUDE
+
+    LIB="${VCINSTALLDIR}/lib/${m}"
+    LIB="${VCINSTALLDIR}/Tools/MSVC/${VCVER}/lib/${m}"
+    LIB="${LIB}:${UniversalCRTSdkDir}/lib/${UCRTVersion}/ucrt/${m}"
+    LIB="${LIB}:${UniversalCRTSdkDir}/lib/${UCRTVersion}/um/${m}"
+    export LIB
+
+    export GYP_MSVS_OVERRIDE_PATH="${VSPATH}"
+    export GYP_MSVS_VERSION=$(vswhere -latest -requires "$VSCOMPONENT" -property catalog_productLineVersion)
+else
+    echo Assuming env setup is already done.
+    echo VSPATH=$VSPATH
+fi