From 70bf97e753840545744cc5ef455875146d64e568 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Sun, 4 Aug 2013 09:37:27 -0700
Subject: [PATCH] Fixed bug 1972 - Changeset 7379 (b27c778a2bdb) breaks make
 process with msys+mingw (make 3.82.90)

Andreas

With the patch applied, make is not able to find the rule for Makefile.in anymore. Removing the patch resolves the issue.

The path is in fact correct (in my case: /c/external/SDL64/SDL). But it seems the windows build of GNU Make doesn't work well with pathnames in rules. Both the dependencies in "$(srcdir)/configure: $(srcdir)/configure.in" and "Makefile: $(srcdir)/Makefile.in" will cause rules not to be found when srcdir is defined.

The same problem occurs if the patch is removed and I supply configure with a srcdir manually.
---
 configure    | 9 ++++++++-
 configure.in | 9 ++++++++-
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/configure b/configure
index de41b5d54..12e47b468 100755
--- a/configure
+++ b/configure
@@ -15791,7 +15791,14 @@ else
 fi
 
 
-srcdir=`cd $srcdir && pwd`
+case "$host" in
+    *-*-mingw32*)
+        # Except on msys, where make can't handle full pathnames (bug 1972)
+        ;;
+    *)
+        srcdir=`cd $srcdir && pwd`
+        ;;
+esac
 
 INCLUDE="-I$srcdir/include"
 if test x$srcdir != x.; then
diff --git a/configure.in b/configure.in
index d1cf8e152..252efe4be 100644
--- a/configure.in
+++ b/configure.in
@@ -58,7 +58,14 @@ AC_PROG_MAKE_SET
 AC_CHECK_TOOL(WINDRES, [windres], [:])
 
 dnl Make sure that srcdir is a full pathname
-srcdir=`cd $srcdir && pwd`
+case "$host" in
+    *-*-mingw32*)
+        # Except on msys, where make can't handle full pathnames (bug 1972)
+        ;;
+    *)
+        srcdir=`cd $srcdir && pwd`
+        ;;
+esac
 
 dnl Set up the compiler and linker flags
 INCLUDE="-I$srcdir/include"