[FFmpeg-devel] [PATCH 3/3] compat: add msvc windres wrapper

[Timo Rothenpieler <timo@rothenpieler.org>]

This is by no means a complete wrapper. It's only designed to fit the
usecase ffmpegs build system has.
---
 compat/windows/mswindres | 32 ++++++++++++++++++++++++++++++++
 configure                |  2 ++
 2 files changed, 34 insertions(+)
 create mode 100755 compat/windows/mswindres

diff --git a/compat/windows/mswindres b/compat/windows/mswindres
new file mode 100755
index 0000000000..450525a33e
--- /dev/null
+++ b/compat/windows/mswindres
@@ -0,0 +1,32 @@
+#!/bin/sh
+
+if [ "$1" = "--version" ]; then
+    rc.exe /?
+    exit $?
+fi
+
+if [ $# -lt 2 ]; then
+    echo "Usage: mswindres [-I/include/path ...] [-DSOME_DEFINE ...] [-o output.o] input.rc [output.o]" >&2
+    exit 0
+fi
+
+EXTRA_OPTS="/nologo"
+
+while [ $# -gt 2 ]; do
+    case $1 in
+    -D*) EXTRA_OPTS="$EXTRA_OPTS /d$(echo $1 | sed -e "s/^..//" -e "s/ /\\\\ /g")" ;;
+    -I*) EXTRA_OPTS="$EXTRA_OPTS /i$(echo $1 | sed -e "s/^..//" -e "s/ /\\\\ /g")" ;;
+    -o)  OPT_OUT="$2"; shift ;;
+    esac
+    shift
+done
+
+IN="$1"
+if [ -z "$OPT_OUT" ]; then
+    OUT="$2"
+else
+    OUT="$OPT_OUT"
+fi
+
+eval set -- $EXTRA_OPTS
+rc.exe "$@" /fo "$OUT" "$IN"
diff --git a/configure b/configure
index 09fbe66e9b..6761d0cb32 100755
--- a/configure
+++ b/configure
@@ -4369,6 +4369,7 @@ case "$toolchain" in
             die "Unsupported MSVC version (2013 or newer required)"
         fi
         ld_default="$source_path/compat/windows/mslink"
+        windres_default="$source_path/compat/windows/mswindres"
         nm_default="dumpbin.exe -symbols"
         ar_default="lib.exe"
         case "${arch:-$arch_default}" in
@@ -5619,6 +5620,7 @@ case $target_os in
             # Cannot build both shared and static libs with MSVC or icl.
             disable static
         fi
+        ! enabled small && test_cmd $windres --version && enable gnu_windres
         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
         shlibdir_default="$bindir_default"
         SLIBPREF=""
-- 
2.34.1

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