[vlc-commits] tools: patch automake to recognize the dependencies of CLang on MINGW64

[Steve Lhomme]

vlc/vlc-3.0 | branch: master | Steve Lhomme <robux4 at ycbcr.xyz> | Fri Mar  1 11:39:21 2019 +0100| [17a6fe99c94ad1cd0d01ba5ae0c28b089fb6ad9f] | committer: Steve Lhomme

tools: patch automake to recognize the dependencies of CLang on MINGW64

It's like gcc but the pathes are Windows pathes.
GNU Make has no problem with these kind of dependencies.

(cherry picked from commit 8ef151d9b10433b21dbf2e55075734f95213ebb2)
Signed-off-by: Steve Lhomme <robux4 at ycbcr.xyz>

> http://git.videolan.org/gitweb.cgi/vlc/vlc-3.0.git/?a=commit;h=17a6fe99c94ad1cd0d01ba5ae0c28b089fb6ad9f
---

 extras/tools/automake-clang.patch | 39 +++++++++++++++++++++++++++++++++++++++
 extras/tools/tools.mak            |  1 +
 2 files changed, 40 insertions(+)

diff --git a/extras/tools/automake-clang.patch b/extras/tools/automake-clang.patch
new file mode 100644
index 0000000000..63fb668f91
--- /dev/null
+++ b/extras/tools/automake-clang.patch
@@ -0,0 +1,39 @@
+--- automake/lib/depcomp.clangmsvc	2014-12-31 14:26:32.000000000 +0100
++++ automake/lib/depcomp	2019-03-01 11:33:02.672713200 +0100
+@@ -563,6 +563,36 @@ msvc7msys)
+   exit 1
+   ;;
+ 
++gccwindows)
++## clang producing windows pathes
++  for arg
++  do
++    case $arg in
++    -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
++    *)  set fnord "$@" "$arg" ;;
++    esac
++    shift # fnord
++    shift # $arg
++  done
++  "$@"
++  stat=$?
++  if test $stat -ne 0; then
++    rm -f "$tmpdepfile"
++    exit $stat
++  fi
++  rm -f "$depfile"
++
++  # Extracts the file names and escapes backslashes for cygpath.
++  sed < "$tmpdepfile" '
++/^*\(.*\)/ {
++  s//\1/
++  s/\\/\\\\/g
++  p
++}' | $cygpath_u | sed "s, /, \\\\,g" >> "$depfile"
++  echo >> "$depfile" # make sure the fragment doesn't end with a backslash
++  rm -f "$tmpdepfile"
++  ;;
++
+ #nosideeffect)
+   # This comment above is used by automake to tell side-effect
+   # dependency tracking mechanisms from slower ones.
diff --git a/extras/tools/tools.mak b/extras/tools/tools.mak
index 4ac66751a0..cac000a4e8 100644
--- a/extras/tools/tools.mak
+++ b/extras/tools/tools.mak
@@ -189,6 +189,7 @@ automake-$(AUTOMAKE_VERSION).tar.gz:
 
 automake: automake-$(AUTOMAKE_VERSION).tar.gz
 	$(UNPACK)
+	$(APPLY) automake-clang.patch
 	$(MOVE)
 
 .buildautomake: automake .autoconf