[PATCH 2/3] qmake: fix a 'GIT_DIR' issue

[Lubomir I. Ivanov]

From: "Lubomir I. Ivanov" <neolit123 at gmail.com>

"'GIT_DIR' is not recognized as an internal or external command",
is reported if qmake is runned on Win32.

To solve that we set a explicit syntax for Win32 that uses "Set.."

Signed-off-by: Lubomir I. Ivanov <neolit123 at gmail.com>
---
 subsurface-gen-version.pri | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/subsurface-gen-version.pri b/subsurface-gen-version.pri
index 6b65f1d..4a8fc9c 100644
--- a/subsurface-gen-version.pri
+++ b/subsurface-gen-version.pri
@@ -4,13 +4,15 @@ macx: VER_OS = darwin
 unix: !macx: VER_OS = linux
 win32: VER_OS = win
 exists(.git/HEAD): {
+    win32: SET_GIT_DIR = set GIT_DIR
+    else: SET_GIT_DIR = GIT_DIR
     GIT_HEAD = .git/HEAD
     VERSION_SCRIPT = $$PWD/scripts/get-version
     # always use linux here -------------------vvv    so we get the true full version
     FULL_VERSION = "`$$VERSION_SCRIPT linux`"
     PRODVERSION_STRING = $$system("sh scripts/get-version win $$FULL_VERSION || $${VERSION}.0.0")
     VERSION_STRING = $$system("sh scripts/get-version linux $$FULL_VERSION || $${VERSION}")
-    version_h.depends = $$VERSION_SCRIPT $$PWD/.git/$$system("GIT_DIR=$$PWD/.git git rev-parse --symbolic-full-name HEAD")
+    version_h.depends = $$VERSION_SCRIPT $$PWD/.git/$$system("$$SET_GIT_DIR=$$PWD/.git git rev-parse --symbolic-full-name HEAD")
     version_h.commands = echo \\$${LITERAL_HASH}define VERSION_STRING \\\"`GIT_DIR=$$PWD/.git $$VERSION_SCRIPT $$VER_OS`\\\" > ${QMAKE_FILE_OUT}
     version_h.input = GIT_HEAD
     version_h.output = $$VERSION_FILE
-- 
1.7.11.msysgit.0