[PATCH 09/11] gnu: libtool: support cross-libtool mingw.

[Jan Nieuwenhuizen]

* gnu/packages/patches/libtool-mingw.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/autotools.scm (libtool): Support cross-libtool for mingw.
---
 gnu/packages/autotools.scm               |  3 ++-
 gnu/packages/patches/libtool-mingw.patch | 28 ++++++++++++++++++++++++++++
 2 files changed, 30 insertions(+), 1 deletion(-)
 create mode 100644 gnu/packages/patches/libtool-mingw.patch

diff --git a/gnu/packages/autotools.scm b/gnu/packages/autotools.scm
index 21ed0e6..f6706ca 100644
--- a/gnu/packages/autotools.scm
+++ b/gnu/packages/autotools.scm
@@ -295,7 +295,8 @@ Makefile, simplifying the entire process for the 
developer.")
               (sha256
                (base32
                 "0vxj52zm709125gwv9qqlw02silj8bnjnh4y07arrz60r31ai1vw"))
-              (patches (search-patches "libtool-skip-tests2.patch"))))
+              (patches (search-patches "libtool-skip-tests2.patch"
+                                       "libtool-mingw.patch"))))
     (build-system gnu-build-system)
     (propagated-inputs `(("m4" ,m4)))
     (native-inputs `(("m4" ,m4)
diff --git a/gnu/packages/patches/libtool-mingw.patch 
b/gnu/packages/patches/libtool-mingw.patch
new file mode 100644
index 0000000..d406f63
--- /dev/null
+++ b/gnu/packages/patches/libtool-mingw.patch
@@ -0,0 +1,28 @@
+With lstat and _lstat are added to MinGW we need to #define lstat along with
+stat because #define'ing stat impacts struct stat, which would otherwise break
+lstat's signature.
+
+Jan Nieuwenhuizen
+
+Upstream status: not yet presented upstream.
+
+--- libtool-2.4.6/build-aux/ltmain.in~ 2015-02-06 13:57:56.000000000 +0100
++++ libtool-2.4.6/build-aux/ltmain.in  2016-05-06 07:46:29.425142546 +0200
+@@ -3658,6 +3658,7 @@
+ # define S_IXUSR _S_IEXEC
+ #elif defined __MINGW32__
+ # define setmode _setmode
++# define lstat   _lstat
+ # define stat    _stat
+ # define chmod   _chmod
+ # define getcwd  _getcwd
+--- libtool-2.4.6/build-aux/ltmain.sh~ 2015-02-15 17:15:12.000000000 +0100
++++ libtool-2.4.6/build-aux/ltmain.sh  2016-05-06 08:31:53.854857844 +0200
+@@ -5576,6 +5577,7 @@
+ # define S_IXUSR _S_IEXEC
+ #elif defined __MINGW32__
+ # define setmode _setmode
++# define lstat   _lstat
+ # define stat    _stat
+ # define chmod   _chmod
+ # define getcwd  _getcwd
-- 
2.9.2