From 265bbf04645fcdf4adce5db2e9fabfe5aacdc19a Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 12 Jul 2016 11:18:07 +0200
Subject: Add script for adding lower-case symlinks for upper-case headers

---
 INSTALL               | 20 ++++++++++++++++++++
 TODO                  |  4 ++++
 etc/lowercase-headers | 24 ++++++++++++++++++++++++
 3 files changed, 48 insertions(+)
 create mode 100755 etc/lowercase-headers

diff --git a/INSTALL b/INSTALL
index f91e2d9..c8da45b 100644
--- a/INSTALL
+++ b/INSTALL
@@ -55,6 +55,10 @@ Prepare to Copy Visual Studio
 Note that below we assume that you have installed Visual Studio in the default
 location.
 
+The following instructions are for mounting the VM parition on Linux host.
+However, simply archiving the required directories on the running VM and
+copying them to the Linux host should work as well.
+
 Mount the VM disk (make sure it is not running) where you installed Visual
 Studio. First get the second partition offset (<O>) and sector size (normally
 512, as below).
@@ -85,6 +89,11 @@ $ mkdir -p ".wine/drive_c/Program Files (x86)/Windows Kits"
 $ cp -r "/mnt/Program Files (x86)/Windows Kits/8.0" \
   ".wine/drive_c/Program Files (x86)/Windows Kits/"
 
+Add lower-case symlinks for upper-case named headers:
+
+$ etc/lowercase-headers \
+  ".wine/drive_c/Program Files (x86)/Windows Kits/8.0/Include"
+
 Run the VC11 redistributable DLLs installer for x86 from .../VC/redist/1033/.
 
 Add override for msvcr110.dll: run winecfg, select the "Libraries" tab, then
@@ -102,6 +111,11 @@ $ mkdir -p ".wine/drive_c/Program Files (x86)/Windows Kits"
 $ cp -r "/mnt/Program Files (x86)/Windows Kits/8.1" \
   ".wine/drive_c/Program Files (x86)/Windows Kits/"
 
+Add lower-case symlinks for upper-case named headers:
+
+$ etc/lowercase-headers \
+  ".wine/drive_c/Program Files (x86)/Windows Kits/8.1/Include"
+
 Run the VC12 redistributable DLLs installer for x86 from .../VC/redist/1033/.
 
 Add override for msvcr120.dll: run winecfg, select the "Libraries" tab, then
@@ -130,6 +144,12 @@ $ cp -r "/mnt/Program Files (x86)/Windows Kits/8.1" \
 $ cp -r "/mnt/Program Files (x86)/Windows Kits/10" \
   ".wine/drive_c/Program Files (x86)/Windows Kits/"
 
+Add lower-case symlinks for upper-case named headers:
+
+$ etc/lowercase-headers \
+  ".wine/drive_c/Program Files (x86)/Windows Kits/8.1/Include" \
+  ".wine/drive_c/Program Files (x86)/Windows Kits/10/Include"
+
 Installing via the redistributable DLLs still does not work as of Wine 1.7.55.
 Instead, we have to manually copy a bunch of DLLs from /mnt/Windows/SysWoW64/
 to VC/bin/ and add Wine overrides (run winecfg, select the "Libraries" tab,
diff --git a/TODO b/TODO
index d451bc7..cab7a67 100644
--- a/TODO
+++ b/TODO
@@ -8,3 +8,7 @@
 @@ What about 64-bit? cl-64 or some such?
 
 @@ There is link POSIX command. link.exe? cl-14.exe?
+
+@@ The /showIncludes run is very slow most likely due to the sed-based path
+   processing (but verify). Perhaps we should rewrite it in C++ with
+   translated path caching, etc.
diff --git a/etc/lowercase-headers b/etc/lowercase-headers
new file mode 100755
index 0000000..3a217db
--- /dev/null
+++ b/etc/lowercase-headers
@@ -0,0 +1,24 @@
+#! /usr/bin/env bash
+
+# Create all-lowercase symlinks for .h headers in <dir> (recursively) that
+# contain capital letters in their names.
+#
+usage="usage: $0 <dir>"
+
+trap "{ exit 1; }" ERR
+set -o errtrace # Trap in functions.
+
+function error () { echo "$*" 1>&2; exit 1; }
+
+if [ $# -eq 0 ]; then
+  error "$usage"
+fi
+
+for d in "$@"; do
+  find $d -type f -name '*[[:upper:]]*.h' |
+    while read f; do
+      b="$(basename "$f")"
+      d="$(dirname "$f")"
+      ln -s "$b" "$d/${b,,}"
+    done
+done
-- 
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